# Existing Terms and Definitions


## A

| ID                                               | LABEL                                                        | definition                                                                                                                                                                                                                                                                                                                                  |
|:-------------------------------------------------|:-------------------------------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00010383](https://openenergyplatform.org/ontology/oeo/OEO_00010383)                                     | abated steam reforming hydrogen                              | Abated steam reforming hydrogen is hydrogen that is output of a steam reforming process which is followed by a carbon capture and storage process.                                                                                                                                                                                          |
| [OEO:00010247](https://openenergyplatform.org/ontology/oeo/OEO_00010247)                                     | abbreviation                                                 | An abbreviation is a symbol of a textual entity.                                                                                                                                                                                                                                                                                            |
| [OEO:00000047](https://openenergyplatform.org/ontology/oeo/OEO_00000047)                                     | AC-line                                                      | An AC-line is a powerline for transferring high voltage alternating current.                                                                                                                                                                                                                                                                |
| [OEO:00360000](https://openenergyplatform.org/ontology/oeo/OEO_00360000)                                     | acceptance                                                   | Acceptance is a realizable entity that represents the attitude of a person or organisation with respect to a certain constructional, (infra)structural or political measure that may be realized in, affected by or results of complex processes like discussions, communications, transformative measures or former personal experiences.  |
| [OEO:00390041](https://openenergyplatform.org/ontology/oeo/OEO_00390041)                                     | account for wake losses                                      | Account for wake losses is an action specification that describes the inclusion of losses due to wind turbine wake effects, which reduce wind speed and energy yield behind turbines.                                                                                                                                                       |
| [OEO:00000048](https://openenergyplatform.org/ontology/oeo/OEO_00000048)                                     | acronym                                                      | An acronym is an abbreviation of the title by using the first letters of each part of the title.                                                                                                                                                                                                                                            |
| [IAO:0000007](https://openenergyplatform.org/ontology/oeo/IAO_0000007)                                      | action specification                                         | A directive information entity that describes an action the bearer will take.                                                                                                                                                                                                                                                               |
| [OEO:00390048](https://openenergyplatform.org/ontology/oeo/OEO_00390048)                                     | action specification for techno-economic potential           | Action specification for techno-economic potential is an action specification that deals with techno-economic potential.                                                                                                                                                                                                                    |
| [OEO:00390058](https://openenergyplatform.org/ontology/oeo/OEO_00390058)                                     | action specification for the feasible potential              | Action specification for the feasible potential is an action specification that deals with the feasible potential of something.                                                                                                                                                                                                             |
| [OEO:00390038](https://openenergyplatform.org/ontology/oeo/OEO_00390038)                                     | action specification for the technical wind potential        | Action specification for the technical wind potential of the available area is an action specification that deals with the technical wind potential of the available area.                                                                                                                                                                  |
| [OEO:00390035](https://openenergyplatform.org/ontology/oeo/OEO_00390035)                                     | action specification for wind characteristics                | Action specification for wind characteristics is an action specification that deals with wind characteristics.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns.                                                                                                                   |
| [OEO:00390036](https://openenergyplatform.org/ontology/oeo/OEO_00390036)                                     | action specification for wind farm development area          | Action specification for wind farm development area is an action specification that deals with available area for wind farm development.                                                                                                                                                                                                    |
| [OEO:00000049](https://openenergyplatform.org/ontology/oeo/OEO_00000049)                                     | active                                                       | nan                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000847 | Active Stasis                                                | nan                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00310035](https://openenergyplatform.org/ontology/oeo/OEO_00310035)                                     | adsorption                                                   | Adsorption is a process that leads to an accumulation of a substance within a phase or at an interface between two phases.                                                                                                                                                                                                                  |
| [OEO:00310006](https://openenergyplatform.org/ontology/oeo/OEO_00310006)                                     | aerothermal energy                                           | Aerothermal energy is a natural ambient thermal energy that is stored in the air of a natural environment.                                                                                                                                                                                                                                  |
| [OEO:00000051](https://openenergyplatform.org/ontology/oeo/OEO_00000051)                                     | agent                                                        | Agent is a role of a person or organisation that directs its activity towards achieving goals.                                                                                                                                                                                                                                              |
| [OEO:00140068](https://openenergyplatform.org/ontology/oeo/OEO_00140068)                                     | aggregation type                                             | An aggregation type is a data descriptor that contains information on the aggregation method applied on a data set.                                                                                                                                                                                                                         |
| [OEO:00010035](https://openenergyplatform.org/ontology/oeo/OEO_00010035)                                     | agriculture, forestry and land use sector                    | A agriculture, forestry and land use (AFOLU) sector is a sector that covers activities and natural processes from agriculture, forestry, land use and land use change.                                                                                                                                                                      |
| [OEO:00000054](https://openenergyplatform.org/ontology/oeo/OEO_00000054)                                     | air                                                          | Air is a gas mixture that forms the Earth's atmosphere.                                                                                                                                                                                                                                                                                     |
| [OEO:00390014](https://openenergyplatform.org/ontology/oeo/OEO_00390014)                                     | air density adjustment                                       | Air density adjustment is an action specification that describes how variations in air density due to changes in altitude, temperature, and pressure are incorporated into the wind resource calculations.                                                                                                                                  |
| [OEO:00010012](https://openenergyplatform.org/ontology/oeo/OEO_00010012)                                     | air pollutant                                                | An air pollutant is a portion of matter that participates in some air pollution.                                                                                                                                                                                                                                                            |
| [OEO:00000055](https://openenergyplatform.org/ontology/oeo/OEO_00000055)                                     | air pollution                                                | Air pollution occurs when harmful or excessive quantities of substances including gases, particles, and biological molecules are introduced into Earth's atmosphere.                                                                                                                                                                        |
| [OEO:00010292](https://openenergyplatform.org/ontology/oeo/OEO_00010292)                                     | aircraft                                                     | An aircraft is a vehicle that is flying in the air.                                                                                                                                                                                                                                                                                         |
| [OEO:00010293](https://openenergyplatform.org/ontology/oeo/OEO_00010293)                                     | airplane                                                     | An airplane is an aircraft that has fixed wings.                                                                                                                                                                                                                                                                                            |
| [OEO:00320035](https://openenergyplatform.org/ontology/oeo/OEO_00320035)                                     | airport                                                      | An airport is a transport hub for airplanes.                                                                                                                                                                                                                                                                                                |
| [IAO:0000064](https://openenergyplatform.org/ontology/oeo/IAO_0000064)                                      | algorithm                                                    | A plan specification which describes the inputs and output of mathematical functions as well as workflow of execution for achieving an predefined objective. Algorithms are realized usually by means of implementation as computer programs for execution by automata.                                                                     |
| [OEO:00000056](https://openenergyplatform.org/ontology/oeo/OEO_00000056)                                     | ambient thermal energy                                       | Ambient thermal energy is thermal energy that is stored in the ambient air, beneath the surface of solid earth or in surface water. It is captured by heat pumps.                                                                                                                                                                           |
| [OEO:00140106](https://openenergyplatform.org/ontology/oeo/OEO_00140106)                                     | ambient thermal energy transfer                              | Ambient thermal energy transfer is a heat transfer from the ambient air to a transportable material entity.                                                                                                                                                                                                                                 |
| [OEO:00400014](https://openenergyplatform.org/ontology/oeo/OEO_00400014)                                     | ambiguous uncertainty                                        | Ambiguous uncertainty is a nature of model uncertainty that stems from multiple frames of reference about a phenomenon existing similtaneously.                                                                                                                                                                                             |
| [OEO:00010000](https://openenergyplatform.org/ontology/oeo/OEO_00010000)                                     | ammonia                                                      | Ammonia is a portion of matter with the chemical formula NH3. It has a gaseous normal state of matter and can act as an air pollutant. As it can be oxidised it can be used as a fuel.                                                                                                                                                      |
| [OEO:00320073](https://openenergyplatform.org/ontology/oeo/OEO_00320073)                                     | amortisation time                                            | An amortisation time is the time span in which the investment costs are refinanced from the annual profits and depreciation of the investment.                                                                                                                                                                                              |
| [OEO:00340069](https://openenergyplatform.org/ontology/oeo/OEO_00340069)                                     | amount                                                       | An amount is a quality of an object aggregate that counts the number of entities that form the object aggregate.                                                                                                                                                                                                                            |
| [UO:0000011](https://openenergyplatform.org/ontology/oeo/UO_0000011)                                       | ampere                                                       | "An electric current unit which is equal to the constant current which, if maintained in two straight parallel conductors of infinite length, of negligible circular cross-section, and placed 1 m apart in vacuum, would produce between these conductors a force equal to 2 x 10^[-7] newton per meter of length." [BIPM:BIPM, NIST:NIST] |
| [UO:1000011](https://openenergyplatform.org/ontology/oeo/UO_1000011)                                       | ampere based unit                                            | nan                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020072](https://openenergyplatform.org/ontology/oeo/OEO_00020072)                                     | analysis scope                                               | An analysis scope is an information content entity that describes the boundaries of what a study or scenario covers.                                                                                                                                                                                                                        |
| [OEO:00020017](https://openenergyplatform.org/ontology/oeo/OEO_00020017)                                     | analytical approach                                          | A analytical approach is a model descriptor that contains information about the analysis strategy of a model.                                                                                                                                                                                                                               |
| [UO:0000121](https://openenergyplatform.org/ontology/oeo/UO_0000121)                                       | angle unit                                                   | "A unit which is a standard measure of the figure or space formed by the junction of two lines or planes." [Wikipedia:Wikipedia]                                                                                                                                                                                                            |
| [OEO:00020161](https://openenergyplatform.org/ontology/oeo/OEO_00020161)                                     | annual                                                       | one value per year                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010126](https://openenergyplatform.org/ontology/oeo/OEO_00010126)                                     | Annual Emission Allocation                                   | An Annual Emission Allocation (AEA) is an emission certificate used in the Effort Sharing Decision (ESD) and the Effort Sharing Regulation (ESR). It permits the emission of a CO2 equivalent quantity of 1 tonne.                                                                                                                          |
| [OEO:00350001](https://openenergyplatform.org/ontology/oeo/OEO_00350001)                                     | annual GDP growth                                            | Annual GDP growth is an economic value that quantifies the difference between GDP in one year compared to the previous year.                                                                                                                                                                                                                |
| [OEO:00000058](https://openenergyplatform.org/ontology/oeo/OEO_00000058)                                     | anthracite                                                   | Anthracite is a hard coal with a high caloric value due to its high carbon content (about 90 % fixed carbon).                                                                                                                                                                                                                               |
| [OEO:00030000](https://openenergyplatform.org/ontology/oeo/OEO_00030000)                                     | anthropogenic                                                | Anthropogenic is an origin of portions of matter or energies created by human activity.                                                                                                                                                                                                                                                     |
| [OEO:00010331](https://openenergyplatform.org/ontology/oeo/OEO_00010331)                                     | apinist                                                      | An apinist is an OEP user who mainly interacts via an API.                                                                                                                                                                                                                                                                                  |
| [OEO:00000059](https://openenergyplatform.org/ontology/oeo/OEO_00000059)                                     | application programming interface                            | An application programming interface (API) is a software interface allowing two software applications to communicate with each other.                                                                                                                                                                                                       |
| [OEO:00390059](https://openenergyplatform.org/ontology/oeo/OEO_00390059)                                     | apply socio-economic constraints for assessment of potential | Apply socio-economic constraints for assessment of potential is an action specification that describes the process of integrating non-technical factors, such as social acceptance, land use regulations, or market conditions, into the potential assessment.                                                                              |
| [OEO:00410036](https://openenergyplatform.org/ontology/oeo/OEO_00410036)                                     | arable land                                                  | An arable land is a region of relevance which is regularly manipulated by human activities, such as plowing or tilling, in order to grow crops.                                                                                                                                                                                             |
| [OEO:00410037](https://openenergyplatform.org/ontology/oeo/OEO_00410037)                                     | arable land with high soil quality                           | An arable land with high soil quality is an arable land having some soil as part that can be categorized as having high soil quality.                                                                                                                                                                                                       |
| [OEO:00410038](https://openenergyplatform.org/ontology/oeo/OEO_00410038)                                     | arable land with poor soil quality                           | An arable land with poor soil quality is an arable land having some soil as part that can be categorized as having poor soil quality.                                                                                                                                                                                                       |
| [UO:0000054](https://openenergyplatform.org/ontology/oeo/UO_0000054)                                       | area density unit                                            | "A density unit which is a standard measure of the mass exerting an influence on a given area." [Wikipedia:Wikipedia]                                                                                                                                                                                                                       |
| [OEO:00020140](https://openenergyplatform.org/ontology/oeo/OEO_00020140)                                     | area per power unit                                          | An area per power unit is a unit which is a measure for an area per nameplate capacity.                                                                                                                                                                                                                                                     |
| [UO:0000047](https://openenergyplatform.org/ontology/oeo/UO_0000047)                                       | area unit                                                    | "A unit which is a standard measure of the amount of a 2-dimensional flat surface." [UOC:GVG]                                                                                                                                                                                                                                               |
| [OEO:00020143](https://openenergyplatform.org/ontology/oeo/OEO_00020143)                                     | area value                                                   | An area value is a quantity value indicating the size of a two-dimensional spatial region.                                                                                                                                                                                                                                                  |
| [OEO:00010075](https://openenergyplatform.org/ontology/oeo/OEO_00010075)                                     | areal energy density                                         | An areal energy density is a quantity value that states a certain energy amount per area.                                                                                                                                                                                                                                                   |
| [OEO:00010073](https://openenergyplatform.org/ontology/oeo/OEO_00010073)                                     | areal energy density unit                                    | An areal energy density unit is a unit which is a measure for the energy per surface area.                                                                                                                                                                                                                                                  |
| [OEO:00010074](https://openenergyplatform.org/ontology/oeo/OEO_00010074)                                     | areal power density                                          | An areal power density is a quantity value that indicates a certain power per area.                                                                                                                                                                                                                                                         |
| [OEO:00010072](https://openenergyplatform.org/ontology/oeo/OEO_00010072)                                     | areal power density unit                                     | An areal power density unit is a unit which is a measure for the power per surface area.                                                                                                                                                                                                                                                    |
| [OEO:00010077](https://openenergyplatform.org/ontology/oeo/OEO_00010077)                                     | areal solar energy density                                   | An areal solar energy density is an areal energy density that gives the arriving solar energy per area. A synonym for areal solar energy density is irradiation.                                                                                                                                                                            |
| [OEO:00010076](https://openenergyplatform.org/ontology/oeo/OEO_00010076)                                     | areal solar power density                                    | An areal solar power density is an areal power density that indicates the arriving solar power per area. A synonym for areal solar power density is irradiance.                                                                                                                                                                             |
| [OEO:00140071](https://openenergyplatform.org/ontology/oeo/OEO_00140071)                                     | arithmetic mean                                              | average value calculated by arithmetic mean over a set of data values, e.g. within a time step or spatial region                                                                                                                                                                                                                            |
| [OEO:00140105](https://openenergyplatform.org/ontology/oeo/OEO_00140105)                                     | artificial ambient thermal energy                            | Artificial ambient thermal energy is ambient thermal energy that has an anthropogenic origin.                                                                                                                                                                                                                                               |
| [OEO:00000061](https://openenergyplatform.org/ontology/oeo/OEO_00000061)                                     | artificial object                                            | An artificial object is an object that was deliberately manufactured by humans to address a particular purpose.                                                                                                                                                                                                                             |
| [OEO:00000062](https://openenergyplatform.org/ontology/oeo/OEO_00000062)                                     | associated gas                                               | Associated gas is a natural gas that is a byproduct from crude oil exploitation.                                                                                                                                                                                                                                                            |
| [OEO:00000063](https://openenergyplatform.org/ontology/oeo/OEO_00000063)                                     | assumption                                                   | An assumption is an information content entity about a property of a system or process. It determines a part of a scenario content.                                                                                                                                                                                                         |
| [UO:0000304](https://openenergyplatform.org/ontology/oeo/UO_0000304)                                       | atto                                                         | "A prefix in the metric system denoting a factor of 10 to the power of -18." [UO:GVG]                                                                                                                                                                                                                                                       |
| [OEO:00000064](https://openenergyplatform.org/ontology/oeo/OEO_00000064)                                     | author                                                       | An author is an agent that creates or has created written work.                                                                                                                                                                                                                                                                             |
| [OEO:00000066](https://openenergyplatform.org/ontology/oeo/OEO_00000066)                                     | aviation gasoline                                            | Aviation gasoline is gasoline used as motor spirit and prepared especially for aviation piston engines, with an octane number suited to the engine, a freezing point of -60 °C and a distillation range usually within the limits of 30 °C and 180 °C.                                                                                      |
| [OEO:00320020](https://openenergyplatform.org/ontology/oeo/OEO_00320020)                                     | aviation network                                             | An aviation network is a transport network that enables air transport.                                                                                                                                                                                                                                                                      |
| [OEO:00140122](https://openenergyplatform.org/ontology/oeo/OEO_00140122)                                     | award                                                        | An award is a document that signifies that a supplier for a particular commodity or service specified in a bid has been accepted.                                                                                                                                                                                                           |

## B

| ID                                               | LABEL                                  | definition                                                                                                                                                                                                                                                                                                                                                            |
|:-------------------------------------------------|:---------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00010448](https://openenergyplatform.org/ontology/oeo/OEO_00010448)                                     | B7                                     | B7 is a diesel fuel that consists of fossil diesel fuel and up to 7 % biodiesel and that is liquid.                                                                                                                                                                                                                                                                   |
| [UO:0000045](https://openenergyplatform.org/ontology/oeo/UO_0000045)                                       | base unit                              | "A unit which is one of a particular measure to which all measures of that type can be related." [NIST:NIST]                                                                                                                                                                                                                                                          |
| [OEO:00000068](https://openenergyplatform.org/ontology/oeo/OEO_00000068)                                     | battery                                | A battery is an energy storage object using different chemical or physical reactions to store energy.                                                                                                                                                                                                                                                                 |
| [OEO:00320046](https://openenergyplatform.org/ontology/oeo/OEO_00320046)                                     | battery electric car                   | A battery electric car is a car that has an electric traction motor and a traction battery and thus is also a battery electric vehicle.                                                                                                                                                                                                                               |
| [OEO:00320051](https://openenergyplatform.org/ontology/oeo/OEO_00320051)                                     | battery electric truck                 | A battery electric truck is a truck that has an electric traction motor and a traction battery and thus is also a battery electric vehicle.                                                                                                                                                                                                                           |
| [OEO:00010024](https://openenergyplatform.org/ontology/oeo/OEO_00010024)                                     | battery electric vehicle               | A battery electric vehicle (BEV) is an electric vehicle that stores energy in a traction battery.                                                                                                                                                                                                                                                                     |
| https://www.commoncoreontologies.org/ont00000924 | Beginning of Life Stasis               | nan                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010279](https://openenergyplatform.org/ontology/oeo/OEO_00010279)                                     | bicycle                                | A bicycle is a road vehicle that has two wheels and is propelled by a person.                                                                                                                                                                                                                                                                                         |
| [OEO:00140121](https://openenergyplatform.org/ontology/oeo/OEO_00140121)                                     | bid                                    | A bid is a document describing an offer made by an agent to another agent in an effort to exchange commodities or services via terms relating to price and quantity which will be part of the resulting contract.                                                                                                                                                     |
| [OEO:00360005](https://openenergyplatform.org/ontology/oeo/OEO_00360005)                                     | bidding zone                           | A bidding zone is a two-dimensional spatial region in which market participants are able to exchange energy without capacity allocation.                                                                                                                                                                                                                              |
| [OEO:00360006](https://openenergyplatform.org/ontology/oeo/OEO_00360006)                                     | bidding zone role                      | A bidding zone role is a role of a two-dimensional spatial region that is realised in market participants trading energy without capacity allocation.                                                                                                                                                                                                                 |
| [OEO:00320065](https://openenergyplatform.org/ontology/oeo/OEO_00320065)                                     | bidirectional vehicle charging station | A bidirectional vehicle charging station is a vehicle charging station that can also feed electrical energy from the traction battery back into the electricity grid.                                                                                                                                                                                                 |
| [OEO:00280004](https://openenergyplatform.org/ontology/oeo/OEO_00280004)                                     | binary file format                     | A binary file format is a file format that is not a text format.                                                                                                                                                                                                                                                                                                      |
| [OEO:00000071](https://openenergyplatform.org/ontology/oeo/OEO_00000071)                                     | biodiesel                              | Biodiesel is a portion of matter that has a liquid state of matter and has a diesel fuel role. It is produced from plants or animals and thus has a biogenic origin.                                                                                                                                                                                                  |
| [OEO:00010258](https://openenergyplatform.org/ontology/oeo/OEO_00010258)                                     | bioenergy                              | Bioenergy is chemical energy that is stored in biofuels.                                                                                                                                                                                                                                                                                                              |
| [OEO:00010446](https://openenergyplatform.org/ontology/oeo/OEO_00010446)                                     | bioethanol                             | Bioethanol is ethanol with a biogenic origin.                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000072](https://openenergyplatform.org/ontology/oeo/OEO_00000072)                                     | biofuel                                | A biofuel is a combustion fuel that has a biogenic origin.                                                                                                                                                                                                                                                                                                            |
| [OEO:00000073](https://openenergyplatform.org/ontology/oeo/OEO_00000073)                                     | biofuel power plant                    | A biofuel power plant is a power plant that has biofuel power units as parts.                                                                                                                                                                                                                                                                                         |
| [OEO:00000003](https://openenergyplatform.org/ontology/oeo/OEO_00000003)                                     | biofuel power unit                     | A biofuel power unit is a power generating unit using biofuel.                                                                                                                                                                                                                                                                                                        |
| [OEO:00000074](https://openenergyplatform.org/ontology/oeo/OEO_00000074)                                     | biogas                                 | Biogas is a gas mixture produced by anaerobic digestion. It consists mainly of methane and carbon dioxide and can be used as fuel.                                                                                                                                                                                                                                    |
| [OEO:00000004](https://openenergyplatform.org/ontology/oeo/OEO_00000004)                                     | biogas power plant                     | A biogas power plant is a biofuel power plant that has biogas power units as parts.                                                                                                                                                                                                                                                                                   |
| [OEO:00000005](https://openenergyplatform.org/ontology/oeo/OEO_00000005)                                     | biogas power unit                      | A biogas power unit is a biofuel power unit using biogas as fuel.                                                                                                                                                                                                                                                                                                     |
| [OEO:00000075](https://openenergyplatform.org/ontology/oeo/OEO_00000075)                                     | biogasoline                            | Biogasoline is a portion of matter that has a liquid state of matter and has a gasoline fuel role. It consists of bioethanol, biomethanol and products of these two substances. It is made from vegetable or animal material and thus has a biogenic origin.                                                                                                          |
| [OEO:00030001](https://openenergyplatform.org/ontology/oeo/OEO_00030001)                                     | biogenic                               | Biogenic is an origin of portions of matter made by or produced from life forms.                                                                                                                                                                                                                                                                                      |
| [OEO:00010225](https://openenergyplatform.org/ontology/oeo/OEO_00010225)                                     | biogenic industrial waste fuel         | A biogenic industrial waste fuel is an industrial waste fuel that has a biogenic origin.                                                                                                                                                                                                                                                                              |
| [OEO:00000356](https://openenergyplatform.org/ontology/oeo/OEO_00000356)                                     | biogenic municipal waste fuel          | A biogenic municipal waste fuel is a municipal waste fuel that has a biogenic origin.                                                                                                                                                                                                                                                                                 |
| [OEO:00010223](https://openenergyplatform.org/ontology/oeo/OEO_00010223)                                     | biogenic waste fuel                    | A biogenic waste fuel is a waste fuel that has a biogenic origin.                                                                                                                                                                                                                                                                                                     |
| [OEO:00010214](https://openenergyplatform.org/ontology/oeo/OEO_00010214)                                     | biomass                                | Biomass is a portion of matter from plants or animals and has thus has a biogenic origin.                                                                                                                                                                                                                                                                             |
| [OEO:00010215](https://openenergyplatform.org/ontology/oeo/OEO_00010215)                                     | biomethane                             | Biomethane is a gas mixture produced from biogas by removing carbon dioxide. It consists mainly of methane and can be used as fuel.                                                                                                                                                                                                                                   |
| [OEO:00410015](https://openenergyplatform.org/ontology/oeo/OEO_00410015)                                     | biosphere reserve                      | A biosphere reserve is a protected area that has the biosphere reserve role, i.e. it is protected for conserving biodiversity, promoting sustainable development, and supporting research and education, within the UNESCO "Man and the Biosphere" (MAB) Programme.                                                                                                   |
| [OEO:00410017](https://openenergyplatform.org/ontology/oeo/OEO_00410017)                                     | biosphere reserve role                 | A biosphere reserve role is a protected area role for areas, aimed at conserving biodiversity, promoting sustainable development, and supporting research and education, within the UNESCO "Man and the Biosphere" (MAB) Programme.                                                                                                                                   |
| [OEO:00410016](https://openenergyplatform.org/ontology/oeo/OEO_00410016)                                     | bird sanctuary                         | A bird sanctuary is a protected area that has the bird sanctuary role, which is aimed at protecting and conserving endangered and migratory bird species, within the European "Natura 2000" network of protected areas.                                                                                                                                               |
| [OEO:00410008](https://openenergyplatform.org/ontology/oeo/OEO_00410008)                                     | bird sanctuary role                    | A bird sanctuary role is a protected area role for areas, aimed at protecting and conserving endangered and migratory bird species, within the European "Natura 2000" network of protected areas.                                                                                                                                                                     |
| [UO:0000232](https://openenergyplatform.org/ontology/oeo/UO_0000232)                                       | bit                                    | "An information unit which refers to a digit in the binary numeral system, which consists of base 2 digits (ie there are only 2 possible values: 0 or 1)." [Wikipedia:Wikipedia]                                                                                                                                                                                      |
| [UO:1000232](https://openenergyplatform.org/ontology/oeo/UO_1000232)                                       | bit based unit                         | nan                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000077](https://openenergyplatform.org/ontology/oeo/OEO_00000077)                                     | blast furnace gas                      | Blast furnace gas is manufactured coal based gas produced during the combustion of coke in blast furnaces in the iron and steel industry. It is recovered and used as a fuel partly within the plant and partly in other steel industry processes or in power stations equipped to burn it. The quantity of fuel should be reported on a gross calorific value basis. |
| [OEO:00010445](https://openenergyplatform.org/ontology/oeo/OEO_00010445)                                     | blended liquid fuel                    | A blended liquid fuel is a liquid combustion fuel that contains a liquid fossil fuel and a liquid renewable fuel or a liquid biofuel.                                                                                                                                                                                                                                 |
| [OEO:00140128](https://openenergyplatform.org/ontology/oeo/OEO_00140128)                                     | block size                             | Block size is the declared net capacity of a power generating unit.                                                                                                                                                                                                                                                                                                   |
| [OEO:00410014](https://openenergyplatform.org/ontology/oeo/OEO_00410014)                                     | BNatSchG                               | The BNatSchG is a legislation providing the legal framework for nature conservation and landscape management in Germany.                                                                                                                                                                                                                                              |
| [OEO:00310013](https://openenergyplatform.org/ontology/oeo/OEO_00310013)                                     | boiler                                 | A boiler is a heater that increases the thermal energy of fluids.                                                                                                                                                                                                                                                                                                     |
| [OEO:00010422](https://openenergyplatform.org/ontology/oeo/OEO_00010422)                                     | boolean value                          | A boolean value is an variable information content entity that can only be true or false.                                                                                                                                                                                                                                                                             |
| [OEO:00000078](https://openenergyplatform.org/ontology/oeo/OEO_00000078)                                     | boolean variable                       | A boolean variable is a variable that represents a boolean value.                                                                                                                                                                                                                                                                                                     |
| [OEO:00020024](https://openenergyplatform.org/ontology/oeo/OEO_00020024)                                     | bottom up                              | Bottom up is an analytical approach where parts of the system are defined in details. Once these parts are designed and developed, then these parts or components are linked together to prepare a bigger component. This approach is repeated until the complete system is built. A bottom up model is based on a composition approach.                              |
| [OEO:00010408](https://openenergyplatform.org/ontology/oeo/OEO_00010408)                                     | Brent crude                            | Brent crude is a crude oil that is extracted in the North Sea and traded at ICE London.                                                                                                                                                                                                                                                                               |
| [OEO:00320023](https://openenergyplatform.org/ontology/oeo/OEO_00320023)                                     | bridge                                 | A bridge is a transport network component that spans a physical obstacle without blocking the way underneath.                                                                                                                                                                                                                                                         |
| [OEO:00360042](https://openenergyplatform.org/ontology/oeo/OEO_00360042)                                     | BSI-KritisV energy sector              | The BSI-KritisV energy sector is an energy transformation sector defined by the BSI-KritisV sector division (§ 2 BSI-KritisV).                                                                                                                                                                                                                                        |
| [OEO:00360044](https://openenergyplatform.org/ontology/oeo/OEO_00360044)                                     | BSI-KritisV sector division            | The BSI-KritisV sector division is a sector division by the German regulation BSI-Kritisverordnung (BSI-KritisV) defining eight sectors that contain critical infrastructures.                                                                                                                                                                                        |
| [OEO:00360043](https://openenergyplatform.org/ontology/oeo/OEO_00360043)                                     | BSI-KritisV transport sector           | The BSI-KritisV transport sector is a transport sector defined by the BSI-KritisV sector division (§ 8 BSI-KritisV).                                                                                                                                                                                                                                                  |
| [OEO:00010034](https://openenergyplatform.org/ontology/oeo/OEO_00010034)                                     | building sector                        | A building sector is a sector that covers buildings.                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010277](https://openenergyplatform.org/ontology/oeo/OEO_00010277)                                     | bus                                    | A bus is a motorised road vehicle that is used for passenger transport and has more than eight seats.                                                                                                                                                                                                                                                                 |
| [OEO:00320031](https://openenergyplatform.org/ontology/oeo/OEO_00320031)                                     | bus station                            | A bus station is a transport hub for busses.                                                                                                                                                                                                                                                                                                                          |
| [OEO:00410027](https://openenergyplatform.org/ontology/oeo/OEO_00410027)                                     | BWaldG                                 | The BWaldG is a legislation providing the legal framework for the preservation of forests and the promotion of forestry in Germany.                                                                                                                                                                                                                                   |
| [UO:0000233](https://openenergyplatform.org/ontology/oeo/UO_0000233)                                       | byte                                   | "An information unit which is equal to 8 bits." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                 |
| [UO:1000233](https://openenergyplatform.org/ontology/oeo/UO_1000233)                                       | byte based unit                        | nan                                                                                                                                                                                                                                                                                                                                                                   |

## C

| ID                                                                                                                 | LABEL                                                                              | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|:-------------------------------------------------------------------------------------------------------------------|:-----------------------------------------------------------------------------------|: |
| [OEO:00000081](https://openenergyplatform.org/ontology/oeo/OEO_00000081)                                                                                                       | C++                                                                                | C++ is a programming languages designed by Bjarne Stroustrup and standardised by ISO/IEC.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00390054](https://openenergyplatform.org/ontology/oeo/OEO_00390054)                                                                                                       | calculate economic potential                                                       | Calculate economic potential is an action specification that describes the determination of the total economic potential of the available area under a maximum threshold LCOE value.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00390060](https://openenergyplatform.org/ontology/oeo/OEO_00390060)                                                                                                       | calculate feasible potential                                                       | Calculate feasible potential is an action specification that describes the calculation of the feasible wind energy potential, considering both technical and socio-economic constraints.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00390053](https://openenergyplatform.org/ontology/oeo/OEO_00390053)                                                                                                       | calculate levelised cost of electricity                                            | Calculate levelised cost of electricity is an action specification that describes the computation of the levelised cost of electricity (LCOE) either for individual turbines or for sub-regions within the study area by applying a cost model based on the previously calculated economic parameters and the capacity factors.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00390044](https://openenergyplatform.org/ontology/oeo/OEO_00390044)                                                                                                       | calculate technical potential                                                      | Calculate technical potential is an action specification that describes how the total energy production capability of the available area is determined, factoring in turbine placement, capacity density, and wake losses.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00320026](https://openenergyplatform.org/ontology/oeo/OEO_00320026)                                                                                                       | canal                                                                              | A canal is a transport network component that is an artificially created waterway.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [UO:0000014](https://openenergyplatform.org/ontology/oeo/UO_0000014)                                                                                                         | candela                                                                            | "A luminous intensity unit which equal to the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency 540 x 1012 hertz and that has a radiant intensity in that direction of 1/683 watt per steradian." [BIPM:BIPM, NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [UO:1000014](https://openenergyplatform.org/ontology/oeo/UO_1000014)                                                                                                         | candela based unit                                                                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020111](https://openenergyplatform.org/ontology/oeo/OEO_00020111)                                                                                                       | capacity premium                                                                   | A capacity premium is a market premium that guarantees remuneration for reserving capacity of energy transformation units to be available for unexpected events.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010276](https://openenergyplatform.org/ontology/oeo/OEO_00010276)                                                                                                       | car                                                                                | A car is a motorised road vehicle that is used for passenger transport and has a maximum of eight seats.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010138](https://openenergyplatform.org/ontology/oeo/OEO_00010138)                                                                                                       | carbon capture                                                                     | Carbon capture is a process that captures carbon dioxide from a gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010141](https://openenergyplatform.org/ontology/oeo/OEO_00010141)                                                                                                       | carbon capture and storage                                                         | Carbon capture and storage (CCS) is a process that combines carbon capture and carbon sequestration.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010455](https://openenergyplatform.org/ontology/oeo/OEO_00010455)                                                                                                       | carbon capture and storage technology                                              | A carbon capture and storage technology is a technology that describes how to combine artificial objects and a carbon capture and storage process in a specific way to permanently store CO2.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000006](https://openenergyplatform.org/ontology/oeo/OEO_00000006)                                                                                                       | carbon dioxide                                                                     | Carbon dioxide is a portion of matter with the chemical formula CO2. It has a gaseous normal state of matter. It occurs naturally in the atmosphere as a trace gas and can work as a greenhouse gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140083](https://openenergyplatform.org/ontology/oeo/OEO_00140083)                                                                                                       | carbon dioxide equivalent quantity value                                           | A carbon dioxide equivalent quantity is a greenhouse gas emission value that quantifies the combined effect of all emitted greenhouse gases by giving an equivalent amount of CO2 which would have the same effect on the climate.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010001](https://openenergyplatform.org/ontology/oeo/OEO_00010001)                                                                                                       | carbon monoxide                                                                    | Carbon monoxide is a portion of matter with the chemical formula CO. It has a gaseous normal state of matter and can act as an air pollutant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010140](https://openenergyplatform.org/ontology/oeo/OEO_00010140)                                                                                                       | carbon storage                                                                     | Carbon storage is a process that stores CO2 in a geological formation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020156](https://openenergyplatform.org/ontology/oeo/OEO_00020156)                                                                                                       | carbon tax                                                                         | Carbon tax is a tax for emitting CO2 or other greenhouse gases (measured in CO2 equivalent values).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010270](https://openenergyplatform.org/ontology/oeo/OEO_00010270)                                                                                                       | carbon tax value                                                                   | A carbon tax value is a CO2 price that is set by a carbon tax.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010288](https://openenergyplatform.org/ontology/oeo/OEO_00010288)                                                                                                       | cargo ship                                                                         | A cargo ship is a ship that is used for freight transport.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [IAO:0000400](https://openenergyplatform.org/ontology/oeo/IAO_0000400)                                                                                                        | cartesian spatial coordinate datum                                                 | A cartesian spatial coordinate datum is a representation of a point in a spatial region, in which equal changes in the magnitude of a coordinate value denote length qualities with the same magnitude                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00240029](https://openenergyplatform.org/ontology/oeo/OEO_00240029)                                                                                                       | cement                                                                             | Cement is a portion of matter that is made from limestone and clay; other elements may be present. It is used as a building material to set as a solid mass or is used as an ingredient in making mortar or concrete. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [UO:0000298](https://openenergyplatform.org/ontology/oeo/UO_0000298)                                                                                                         | centi                                                                              | "A prefix in the metric system denoting a factor of one hundred." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000004                                                                   | Change                                                                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000084](https://openenergyplatform.org/ontology/oeo/OEO_00000084)                                                                                                       | charcoal                                                                           | Charcoal is a portion of matter produced from wood via pyrolysis. It has a solid state of matter and can be used as fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00320064](https://openenergyplatform.org/ontology/oeo/OEO_00320064)                                                                                                       | charging                                                                           | Charging is an electrical energy transfer where the transferred energy is stored in a battery.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00140027](https://openenergyplatform.org/ontology/oeo/OEO_00140027)                                                                                                       | checking against empirical data                                                    | Checking against empirical data is a validation where something gets checked against empirical data.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140026](https://openenergyplatform.org/ontology/oeo/OEO_00140026)                                                                                                       | checking against measurements                                                      | Checking against measurements is a validation where something gets checked by using relevant measurements.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000007](https://openenergyplatform.org/ontology/oeo/OEO_00000007)                                                                                                       | chemical energy                                                                    | Chemical energy is energy that is stored in the chemical bonds of a substance, which can be released by a chemical reaction.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010321](https://openenergyplatform.org/ontology/oeo/OEO_00010321)                                                                                                       | chemical energy storage function                                                   | A chemical energy storage function is an energy storage function with chemical energy as input and output.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020363](https://openenergyplatform.org/ontology/oeo/OEO_00020363)                                                                                                       | chemical energy storage object                                                     | A chemical energy storage object is an energy storage object that has the function to store chemical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020370](https://openenergyplatform.org/ontology/oeo/OEO_00020370)                                                                                                       | chemical energy storage technology                                                 | An chemical energy storage technology is an energy storage technology that describes how to combine chemical energy storage objects and chemical energy in charging and decharging processes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00320037](https://openenergyplatform.org/ontology/oeo/OEO_00320037)                                                                                                       | chemical energy transfer                                                           | Chemical energy transfer is an energy transfer of chemical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00310033](https://openenergyplatform.org/ontology/oeo/OEO_00310033)                                                                                                       | chemical heat storage object                                                       | A chemical heat storage object is a thermo-chemical heat storage object that stores thermal energy by using the chemical binding energy in an endotherm reaction.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00140033](https://openenergyplatform.org/ontology/oeo/OEO_00140033)                                                                                                       | chemical reaction                                                                  | A chemical reaction is a transformation that involves the interconversion of chemical species.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00240027](https://openenergyplatform.org/ontology/oeo/OEO_00240027)                                                                                                       | chemical substance                                                                 | A chemical substance is a portion of matter of constant composition and that is neither a metal or mineral. It is composed of molecular entities of the same type or of different types that is used in or produced by a chemical reaction involving changes to atoms or molecules. It is the physical output of an industrial process and has a commodity role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000085](https://openenergyplatform.org/ontology/oeo/OEO_00000085)                                                                                                       | citation reference                                                                 | A citation reference is a reference stating where a citation was taken from.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000087](https://openenergyplatform.org/ontology/oeo/OEO_00000087)                                                                                                       | client                                                                             | A client is an agent that receives a product or service.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00360013](https://openenergyplatform.org/ontology/oeo/OEO_00360013)                                                                                                       | climate neutral process                                                            | A climate neutral process is a process that has a process climate neutrality attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00360010](https://openenergyplatform.org/ontology/oeo/OEO_00360010)                                                                                                       | climate neutrality criterion                                                       | A climate neutrality criterion is a plan specification that intends to describe a state in which human activities result in no net effect on the climate system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00030007](https://openenergyplatform.org/ontology/oeo/OEO_00030007)                                                                                                       | climate scenario                                                                   | A climate scenario is a scenario that describes a possible future state of a climate system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020252](https://openenergyplatform.org/ontology/oeo/OEO_00020252)                                                                                                       | climate system                                                                     | A climate system is a system that has five interacting components: the atmosphere (air), the hydrosphere (water), the cryosphere (ice and permafrost), the lithosphere (earth's upper rocky layer) and the biosphere (living things).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010092](https://openenergyplatform.org/ontology/oeo/OEO_00010092)                                                                                                       | closed-loop pumped hydro storage power plant                                       | A closed-loop pumped hydro storage power plant is a pumped hydro storage power plant that has no natural inflows.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00260007](https://openenergyplatform.org/ontology/oeo/OEO_00260007)                                                                                                       | CO2 emission                                                                       | A CO2 emission is an emission that releases carbon dioxide.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010271](https://openenergyplatform.org/ontology/oeo/OEO_00010271)                                                                                                       | CO2 emission certificate price                                                     | A CO2 emission certificate price is an emission price of an CO2 emission certificate that allows the emission of certain CO2 emission value.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00260008](https://openenergyplatform.org/ontology/oeo/OEO_00260008)                                                                                                       | CO2 emission rate                                                                  | A CO2 emission rate is a greenhouse gas emission rate that describes the output of a CO2 emission process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020321](https://openenergyplatform.org/ontology/oeo/OEO_00020321)                                                                                                       | CO2 emission scenario                                                              | A CO2 emission scenario is an emission scenario that describes a possible CO2 emission trajectory.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00340066](https://openenergyplatform.org/ontology/oeo/OEO_00340066)                                                                                                       | CO2 emission value                                                                 | A CO2 emission value is a greenhouse gas emission value that quantifies a CO2 emission rate and has a mass unit.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010269](https://openenergyplatform.org/ontology/oeo/OEO_00010269)                                                                                                       | CO2 price                                                                          | A CO2 price is an emission price of emitting a certain CO2 emission value.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000088](https://openenergyplatform.org/ontology/oeo/OEO_00000088)                                                                                                       | coal                                                                               | Coal is a portion of matter consisting of combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000089](https://openenergyplatform.org/ontology/oeo/OEO_00000089)                                                                                                       | coal power plant                                                                   | A coal power plant is a power plant that has coal power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010441](https://openenergyplatform.org/ontology/oeo/OEO_00010441)                                                                                                       | coal power technology                                                              | A coal power technology is a fuel-powered technology that describes how to combine coal power units and coal in a fuel-powered electricity generation process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000008](https://openenergyplatform.org/ontology/oeo/OEO_00000008)                                                                                                       | coal power unit                                                                    | A coal power unit is a power generating unit using coal as fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000090](https://openenergyplatform.org/ontology/oeo/OEO_00000090)                                                                                                       | code documentation                                                                 | A code documentation is a documentation explaining and annotating software code.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000091](https://openenergyplatform.org/ontology/oeo/OEO_00000091)                                                                                                       | code source                                                                        | A code source is a data descriptor describing the origin of some code.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00140051](https://openenergyplatform.org/ontology/oeo/OEO_00140051)                                                                                                       | coefficient of performance value                                                   | A coefficient of performance value is a quantity value stating the ratio between the work input and the total output of an energy conversion process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000092](https://openenergyplatform.org/ontology/oeo/OEO_00000092)                                                                                                       | coin- or_cbc                                                                       | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000093](https://openenergyplatform.org/ontology/oeo/OEO_00000093)                                                                                                       | coke oven gas                                                                      | Coke oven gas is manufactured coal based gas obtained as a by-product of the manufacture of coke oven coke for the production of iron and steel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000094](https://openenergyplatform.org/ontology/oeo/OEO_00000094)                                                                                                       | coking coal                                                                        | Coking coal is hard coal that is bituminous with a quality that allows the production of a coke suitable to support a blast furnace charge. Its gross calorific value is greater than 23 865 kJ/kg (5 700 kcal/kg) on an ash-free but moist basis.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00260003](https://openenergyplatform.org/ontology/oeo/OEO_00260003)                                                                                                       | cold start                                                                         | A cold start is a process in which an energy transformation unit is started-up after a period of inactivity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000096](https://openenergyplatform.org/ontology/oeo/OEO_00000096)                                                                                                       | colliery gas                                                                       | Colliery gas is natural gas found in coal mines (British English: colliery). The main component is methane. Synonyms are firedamp, mine gas. It is used as a fossil fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00310025](https://openenergyplatform.org/ontology/oeo/OEO_00310025)                                                                                                       | combined cycle electricity generation process                                      | A combined cycle electricity generation process is a fuel-powered electricity generation process in which a gas turbine process is followed by an steam-electric process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00240010](https://openenergyplatform.org/ontology/oeo/OEO_00240010)                                                                                                       | combined heat and power generating unit                                            | A combined heat and power generating unit is an energy transformation unit that has both the function to produce thermal energy and the function to produce electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00240009](https://openenergyplatform.org/ontology/oeo/OEO_00240009)                                                                                                       | combined heat and power generation process                                         | A combined heat and power generation (CHP) process is an energy transformation that converts energy simultaneously to electrical energy and thermal energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00240011](https://openenergyplatform.org/ontology/oeo/OEO_00240011)                                                                                                       | combined heat and power plant                                                      | A combined heat and power plant (CHPP) is an energy transformation unit that consists of combined heat and power generating units, a grid component feeding electric energy into an electricity grid, and a grid component feeding thermal energy into a heating grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000097](https://openenergyplatform.org/ontology/oeo/OEO_00000097)                                                                                                       | combustible energy carrier disposition                                             | A combustible energy carrier is an energy carrier that releases energy from a material entity in form of heat or work, by chemical reaction with other substances.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00140038](https://openenergyplatform.org/ontology/oeo/OEO_00140038)                                                                                                       | combustion                                                                         | Combustion is an exothermic redox reaction between a fuel (the reductant) and an oxidant (usually atmospheric oxygen) which is initiated by a ignition source.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01043 | combustion                                                                         | Combustion is an energy transformation in which chemical energy from a fuel is transformed into thermal energy and other kinds of energy, e.g. radiative energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000099](https://openenergyplatform.org/ontology/oeo/OEO_00000099)                                                                                                       | combustion fuel                                                                    | A combustion fuel is a fuel that realises its fuel role in processes that release energy in the form of heat or work by chemical reaction with other substances.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00320039](https://openenergyplatform.org/ontology/oeo/OEO_00320039)                                                                                                       | combustion fuel transport                                                          | Combustion fuel transport is the fuel transport of combustion fuels.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010249](https://openenergyplatform.org/ontology/oeo/OEO_00010249)                                                                                                       | combustion thermal energy transformation                                           | A combustion thermal energy transformation is an energy transformation that converts chemical energy of a combustion fuel into thermal energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00310014](https://openenergyplatform.org/ontology/oeo/OEO_00310014)                                                                                                       | combustion-based heater                                                            | A combustion-based heater is a heater that increases the thermal energy using combustion.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00280003](https://openenergyplatform.org/ontology/oeo/OEO_00280003)                                                                                                       | comma separated file format                                                        | A comma separated file format is a delimiter separated file format that uses comma (,) as delimiter.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000405](https://openenergyplatform.org/ontology/oeo/OEO_00000405)                                                                                                       | commercial sector                                                                  | A commercial sector is a sector that covers non-industrial commercial activities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020421](https://openenergyplatform.org/ontology/oeo/OEO_00020421)                                                                                                       | commissioning end                                                                  | A commissioning end is an end time that indicates the beginning of a commissioning time.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020416](https://openenergyplatform.org/ontology/oeo/OEO_00020416)                                                                                                       | commissioning start                                                                | A commissioning start is a start time that indicates the beginning of a commissioning time.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020067](https://openenergyplatform.org/ontology/oeo/OEO_00020067)                                                                                                       | commodity                                                                          | A commodity is a good that bears the commodity role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00040011](https://openenergyplatform.org/ontology/oeo/OEO_00040011)                                                                                                       | commodity role                                                                     | A commodity role is a good role that inheres in something that is used in commerce and is exchangeable with other commodities of the same type.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010055](https://openenergyplatform.org/ontology/oeo/OEO_00010055)                                                                                                       | common reporting format                                                            | The common reporting format (CRF) is a sector division used for compiling national inventory reports on greenhouse gas emissions and providing emission relevant data in so called CRF tables.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000102](https://openenergyplatform.org/ontology/oeo/OEO_00000102)                                                                                                       | compressed air                                                                     | Compressed air is air that has been compressed to store energy. To discharge energy, the air is expanded.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00320013](https://openenergyplatform.org/ontology/oeo/OEO_00320013)                                                                                                       | compressed biomethane                                                              | Compressed biomethane is biomethane that has been compressed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00320048](https://openenergyplatform.org/ontology/oeo/OEO_00320048)                                                                                                       | compressed gas car                                                                 | A compressed gas car is a car that uses compressed gas in a gas engine for propulsion and thus is also a compressed gas vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00320009](https://openenergyplatform.org/ontology/oeo/OEO_00320009)                                                                                                       | compressed gas engine                                                              | A compressed gas engine is a gas engine that uses a compressed gas fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00320015](https://openenergyplatform.org/ontology/oeo/OEO_00320015)                                                                                                       | compressed gas fuel                                                                | A compressed gas fuel is a combustion fuel that has a compressed gas fuel role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00320010](https://openenergyplatform.org/ontology/oeo/OEO_00320010)                                                                                                       | compressed gas fuel role                                                           | A compressed gas fuel role is a fuel role that expresses that a portion of matter can be used in a compressed gas engine.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00320053](https://openenergyplatform.org/ontology/oeo/OEO_00320053)                                                                                                       | compressed gas truck                                                               | A compressed gas truck is a truck that uses compressed gas in a gas engine for propulsion and thus is also a compressed gas vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00320006](https://openenergyplatform.org/ontology/oeo/OEO_00320006)                                                                                                       | compressed gas vehicle                                                             | A compressed gas vehicle is a gas vehicle that uses a compressed gas fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00320012](https://openenergyplatform.org/ontology/oeo/OEO_00320012)                                                                                                       | compressed natural gas                                                             | Compressed natural gas (CNG) is natural gas that has been compressed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00320014](https://openenergyplatform.org/ontology/oeo/OEO_00320014)                                                                                                       | compressed synthetic methane                                                       | Compressed synthetic methane is synthetic methane that has been compressed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020249](https://openenergyplatform.org/ontology/oeo/OEO_00020249)                                                                                                       | compressed-air energy storage unit                                                 | A compressed-air energy storage unit is an energy storage unit that uses compressed air.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010480](https://openenergyplatform.org/ontology/oeo/OEO_00010480)                                                                                                       | compressor                                                                         | A compressor is a pump that converts energy into kinetic or potential energy of a gaseous fluid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010481](https://openenergyplatform.org/ontology/oeo/OEO_00010481)                                                                                                       | compressor station                                                                 | A compressor station is an energy transformation unit that has a compressor to enable gas transport via a gas grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000051](https://openenergyplatform.org/ontology/oeo/UO_0000051)                                                                                                         | concentration unit                                                                 | "A unit which represents a standard measurement of how much of a given substance there is mixed with another substance." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00400040](https://openenergyplatform.org/ontology/oeo/OEO_00400040)                                                                                                       | conceptual model                                                                   | A conceptual model is an information content entity that specifies variables and relationships within a system boundary.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00360030](https://openenergyplatform.org/ontology/oeo/OEO_00360030)                                                                                                       | conditionally reserved region                                                      | A conditionally reserved region is a region of relevance that has the conditionally reserved region role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00360027](https://openenergyplatform.org/ontology/oeo/OEO_00360027)                                                                                                       | conditionally reserved region role                                                 | A conditionally reserved region role is a role of a region of interest that is prioritised to be used for wind park projects during the planning process, without excluding incompatible building projects.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000261](https://openenergyplatform.org/ontology/oeo/UO_0000261)                                                                                                         | conduction unit                                                                    | "A unit which represents a standard measurement of the transmission of an entity through a medium." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [STATO:0000196](https://openenergyplatform.org/ontology/oeo/STATO_0000196)                                                                                                      | confidence interval                                                                | A confidence interval is a data item which defines an range of values in which a measurement or trial falls corresponding to a given probability.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020035](https://openenergyplatform.org/ontology/oeo/OEO_00020035)                                                                                                       | considered region                                                                  | A considered region is a region of relevance that has the considered region role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00360022](https://openenergyplatform.org/ontology/oeo/OEO_00360022)                                                                                                       | considered region role                                                             | A considered region role is the role of a region of relevance that is used in an analysis.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000104](https://openenergyplatform.org/ontology/oeo/OEO_00000104)                                                                                                       | constraint                                                                         | A constraint is a condition that has to be fulfilled within a calculation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020176](https://openenergyplatform.org/ontology/oeo/OEO_00020176)                                                                                                       | construction time                                                                  | A construction time is a time span that measures the time that is needed to construct an artificial object.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000105](https://openenergyplatform.org/ontology/oeo/OEO_00000105)                                                                                                       | consumer                                                                           | A consumer is a user of a commercial product or service.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00140039](https://openenergyplatform.org/ontology/oeo/OEO_00140039)                                                                                                       | consumption                                                                        | Consumption is the process of using something and thereby reducing its amount.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000107](https://openenergyplatform.org/ontology/oeo/OEO_00000107)                                                                                                       | contact person                                                                     | A contact person is an agent that can be contacted for help or information about a specific service or good.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010289](https://openenergyplatform.org/ontology/oeo/OEO_00010289)                                                                                                       | container ship                                                                     | A container ship is a cargo ship used for the transport of containers.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [BFO:0000002](https://openenergyplatform.org/ontology/oeo/BFO_0000002)                                                                                                        | continuant                                                                         | An entity that exists in full at any time in which it exists at all, persists through time while maintaining its identity and has no temporal parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [BFO:0000140](https://openenergyplatform.org/ontology/oeo/BFO_0000140)                                                                                                        | continuant fiat boundary                                                           | b is a continuant fiat boundary = Def. b is an immaterial entity that is of zero, one or two dimensions and does not include a spatial region as part. (axiom label in BFO2 Reference: [029-001])                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00140109](https://openenergyplatform.org/ontology/oeo/OEO_00140109)                                                                                                       | contract                                                                           | A contract is a document that contains an agreement between two or more competent agents to which those agents agree to be legally bound.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00360004](https://openenergyplatform.org/ontology/oeo/OEO_00360004)                                                                                                       | control area                                                                       | A control area is a supply grid that is under the responsibility of a transmission system operator and is a part of a supply grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020147](https://openenergyplatform.org/ontology/oeo/OEO_00020147)                                                                                                       | conventional                                                                       | Conventional is an origin of energies that don't replenish when transformed / consumed.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010295](https://openenergyplatform.org/ontology/oeo/OEO_00010295)                                                                                                       | conventional energy                                                                | A conventional energy is an energy that has a conventional origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020148](https://openenergyplatform.org/ontology/oeo/OEO_00020148)                                                                                                       | conventional energy carrier disposition                                            | A conventional energy carrier disposition is an energy carrier disposition of a material entity that contains non-renewable energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00140131](https://openenergyplatform.org/ontology/oeo/OEO_00140131)                                                                                                       | conventional trader                                                                | A trader that trades the power of fossil fuel power plants.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00140161](https://openenergyplatform.org/ontology/oeo/OEO_00140161)                                                                                                       | cooperative programming                                                            | Cooperative programming is the process of two or more people working on program code together at the same time (according to a specified routine).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020185](https://openenergyplatform.org/ontology/oeo/OEO_00020185)                                                                                                       | copyright licence                                                                  | A copyright licence is a licence that states the ownership and contractually sets the rights and obligations to use, copy, and distribute a creative work.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00040009](https://openenergyplatform.org/ontology/oeo/OEO_00040009)                                                                                                       | cost                                                                               | Cost is a process attribute that describes the amount of money needed to buy, make, or do a thing.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [UO:0000220](https://openenergyplatform.org/ontology/oeo/UO_0000220)                                                                                                         | coulomb                                                                            | "An electrical charge unit which is equal to the amount of charge transferred by a current of 1 ampere in 1 second." [WordNet:WordNet]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:1000220](https://openenergyplatform.org/ontology/oeo/UO_1000220)                                                                                                         | coulomb based unit                                                                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000189](https://openenergyplatform.org/ontology/oeo/UO_0000189)                                                                                                         | count unit                                                                         | "A dimensionless unit which denotes a simple count of things." [MGED:MGED]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000114](https://openenergyplatform.org/ontology/oeo/OEO_00000114)                                                                                                       | cplex                                                                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010412](https://openenergyplatform.org/ontology/oeo/OEO_00010412)                                                                                                       | creative work licence                                                              | A creative work licence is a copyright license that determines ownership and permissions for literary work and multimedia work that combines various media types such as text, audio, images, animations, video and interactive content and its collections.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010346](https://openenergyplatform.org/ontology/oeo/OEO_00010346)                                                                                                       | CRF sector (IPCC 2006): adipic acid production                                     | The CRF sector (IPCC 2006) 'adipic acid production is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Adipic acid is used in the manufacture of a large number of products including synthetic fibres, coatings, plastics, urethane foams, elastomers and synthetic lubricants. The production of Nylon 6.6 accounts for the bulk of adipic acid<br>use. The main greenhouse gas emitted from adipic acid production is nitrous oxide.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010371](https://openenergyplatform.org/ontology/oeo/OEO_00010371)                                                                                                       | CRF sector (IPCC 2006): aerosols                                                   | The CRF sector (IPCC 2006) 'aerosols' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Most aerosol packages now contain hydrocarbon (HC) as propellants but, in a small fraction of the total, HFCs and PFCs may be used as propellants or solvents. Emissions from aerosols usually occur shortly after production, on average six months after sale. During the use of aerosols, 100% of the chemical is emitted. The 5 main sources are metered dose inhalers (MDIs), personal care products (e.g. hair care, deodorant, shaving cream), household products (e.g. air-fresheners, oven and fabric cleaners), industrial products (e.g. special cleaning sprays such as those for operating electrical contact, lubricants, pipe-freezers) and other general products (e.g. silly string, tire inflators, claxons), although in some regions the use of such general products is restricted. The HFCs currently used as propellants are HFC 134a, HFC 227ea, and HFC 152a. The substance HFC 43 10mee and a PFC, perfluorohexane, are used as solvents in industrial aerosol products.                                                                     |
| [OEO:00010182](https://openenergyplatform.org/ontology/oeo/OEO_00010182)                                                                                                       | CRF sector (IPCC 2006): agricultural soils                                         | The CRF sector (IPCC 2006) 'agricultural soils' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010047](https://openenergyplatform.org/ontology/oeo/OEO_00010047)                                                                                                       | CRF sector (IPCC 2006): agriculture                                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010188](https://openenergyplatform.org/ontology/oeo/OEO_00010188)                                                                                                       | CRF sector (IPCC 2006): agriculture - other                                        | The CRF sector (IPCC 2006) 'agriculture - other' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010054](https://openenergyplatform.org/ontology/oeo/OEO_00010054)                                                                                                       | CRF sector (IPCC 2006): agriculture, forestry and fishing                          | The CRF sector (IPCC 2006) 'agriculture, forestry and fishing' is an energy demand sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from fuel combustion in agriculture, forestry, fishing and fishing industries such as fish farms.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010355](https://openenergyplatform.org/ontology/oeo/OEO_00010355)                                                                                                       | CRF sector (IPCC 2006): aluminium production                                       | The CRF sector (IPCC 2006) 'aluminium production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Aluminium Production covers primary production of aluminium, except the emissions related to the use of fuel. Carbon dioxide emissions result from the electrochemical reduction reaction of alumina with a carbon-based anode.<br>Tetrafluoromethane (CF4) and hexafluoroethane (C2F6) are also produced intermittently. No greenhouse gases are produced in recycling of aluminium other than from the fuels uses for metal remelting. Sulphur hexafluoride (SF6)<br>emissions are not associated with primary aluminium production; however, casting of some high magnesium containing alloys does result in SF6 emissions and these emissions are accounted for in Section 2C4, Magnesium<br>Production.                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010344](https://openenergyplatform.org/ontology/oeo/OEO_00010344)                                                                                                       | CRF sector (IPCC 2006): ammonia production                                         | The CRF sector (IPCC 2006) 'ammonia' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Ammonia (NH3) is a major industrial chemical and the most important nitrogenous material produced. Ammonia gas is used directly as a fertilizer, in heat treating, paper pulping, nitric acid and nitrates manufacture, nitric acid ester and nitro compound manufacture, explosives of various types, and as a refrigerant. Amines, amides, and miscellaneous other organic compounds, such as urea, are made from ammonia. The main greenhouse gas emitted from NH3 production is CO2. CO2 used in the production of urea, a downstream process, should be subtracted from the CO2 generated and accounted for in the AFOLU Sector.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010175](https://openenergyplatform.org/ontology/oeo/OEO_00010175)                                                                                                       | CRF sector (IPCC 2006): biological treatment of solid waste                        | The CRF sector (IPCC 2006) 'biological treatment of solid waste' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Solid waste composting and other biological treatment. Emissions from biogas facilities (anaerobic digestion) with energy production are reported in the Energy Sector (1A4).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010347](https://openenergyplatform.org/ontology/oeo/OEO_00010347)                                                                                                       | CRF sector (IPCC 2006): caprolactam, gloxal and glyoxylic acid production          | The CRF sector (IPCC 2006) 'caprolactam, glyoxal and glyoxylic acid production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Most of the annual production of caprolactam (NH(CH2)5CO) is consumed as the monomer for nylon-6 fibres and plastics, with a substantial proportion of the fibre used in carpet manufacturing. All commercial processes for the manufacture of caprolactam are based on either toluene or benzene. This subcategory also covers production of glyoxal (ethanedial) and glyoxylic acid production. The main greenhouse gas emitted from this subcategory is nitrous oxide.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010348](https://openenergyplatform.org/ontology/oeo/OEO_00010348)                                                                                                       | CRF sector (IPCC 2006): carbide production                                         | The CRF sector (IPCC 2006) 'carbide production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>The production of carbide can result in emissions of CO2, CH4, CO and SO2. Silicon carbide is a significant artificial abrasive. It is produced from silica sand or quartz and petroleum coke. Calcium carbide is used in the production of acetylene, in the manufacture of cyanamide (a minor historical use), and as a reductant in electric arc steel furnaces. It is made from calcium carbonate (limestone) and carbon-containing reductant (petroleum coke).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010165](https://openenergyplatform.org/ontology/oeo/OEO_00010165)                                                                                                       | CRF sector (IPCC 2006): cement production                                          | The CRF sector (IPCC 2006) 'cement production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Process-related emissions from the production of various types of cement (ISIC: D2694).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010166](https://openenergyplatform.org/ontology/oeo/OEO_00010166)                                                                                                       | CRF sector (IPCC 2006): chemical industry                                          | The CRF sector (IPCC 2006) 'chemical industry' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Greenhouse gas emissions that result from the production of various inorganic and organic chemicals.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010353](https://openenergyplatform.org/ontology/oeo/OEO_00010353)                                                                                                       | CRF sector (IPCC 2006): chemical industry - other                                  | The CRF sector (IPCC 2006) 'chemical industry - other' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>For example, gases with global warming potential listed in IPCC assessment reports that do not fall within any categories above could be reported here, if they are estimated.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010229](https://openenergyplatform.org/ontology/oeo/OEO_00010229)                                                                                                       | CRF sector (IPCC 2006): CO2 captured                                               | The CRF sector (IPCC 2006): 'CO2 captured' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories: It encompasses the total amount of CO2 captured for storage.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010228](https://openenergyplatform.org/ontology/oeo/OEO_00010228)                                                                                                       | CRF sector (IPCC 2006): CO2 emissions from biomass                                 | The CRF sector (IPCC 2006): 'CO2 emissions from biomass' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories: CO2 emissions from biomass combustion are not included in national totals, but are recorded as an information item for cross-checking purposes as well as avoiding double counting.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010058](https://openenergyplatform.org/ontology/oeo/OEO_00010058)                                                                                                       | CRF sector (IPCC 2006): CO2 transport and storage                                  | The CRF sector (IPCC 2006) 'CO2 transport and storage' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Carbon dioxide (CO2) capture and storage (CCS) involves the capture of CO2 from anthropogenic sources, its transport to a storage location and its long-term isolation from the atmosphere. Emissions associated with CO2 transport, injection and storage are covered under category 1C. Emissions (and reductions) associated with CO2 capture should be reported under the IPCC Sector in which capture takes place (e.g. Fuel Combustion or Industrial Activities).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010340](https://openenergyplatform.org/ontology/oeo/OEO_00010340)                                                                                                       | CRF sector (IPCC 2006): CO2 transport and storage - other                          | The CRF sector (IPCC 2006) 'CO2 transport and storage' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Any other emissions from CCS not reported elsewhere.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010052](https://openenergyplatform.org/ontology/oeo/OEO_00010052)                                                                                                       | CRF sector (IPCC 2006): commercial and institutional                               | The CRF sector (IPCC 2006) 'commercial and institutional' is a commercial sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from fuel combustion in commercial and institutional buildings.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010190](https://openenergyplatform.org/ontology/oeo/OEO_00010190)                                                                                                       | CRF sector (IPCC 2006): cropland                                                   | The CRF sector (IPCC 2006) 'cropland' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions and removals from arable and tillage land, rice fields, and agro-forestry systems where vegetation falls below the thresholds used for the forest land category.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010059](https://openenergyplatform.org/ontology/oeo/OEO_00010059)                                                                                                       | CRF sector (IPCC 2006): domestic aviation                                          | The CRF sector (IPCC 2006) 'domestic aviation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from civil domestic passenger and freight traffic that departs and arrives in the same country (commercial, private, agriculture, etc.), including take-offs and landings for these flight stages. Note that this may include journeys of considerable length between two airports in a country (e.g. San Francisco to Honolulu). Exclude military, which should be reported under 1 A 5 b.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010062](https://openenergyplatform.org/ontology/oeo/OEO_00010062)                                                                                                       | CRF sector (IPCC 2006): domestic navigation                                        | The CRF sector (IPCC 2006) 'domestic navigation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from fuels used by vessels of all flags that depart and arrive in the same country (exclude fishing, which should be reported under 1 A 4 c iii, and military, which should be reported under 1 A 5 b). Note that this may include journeys of considerable length between two ports in a country (e.g. San Francisco to Honolulu).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010374](https://openenergyplatform.org/ontology/oeo/OEO_00010374)                                                                                                       | CRF sector (IPCC 2006): electrical equipment                                       | The CRF sector (IPCC 2006) 'electrical equipment' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Electrical equipment is used in the transmission and distribution of electricity above 1 kV. SF6 is used in gasinsulated switchgear (GIS), gas circuit breakers (GCB), gas-insulated transformers (GIT), gas-insulated lines (GIL), outdoor gas-insulated instrument transformers, reclosers, switches, ring main units and other equipment.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010170](https://openenergyplatform.org/ontology/oeo/OEO_00010170)                                                                                                       | CRF sector (IPCC 2006): electronics industry                                       | The CRF sector (IPCC 2006) 'electronics industry' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Several advanced electronics manufacturing processes utilise fluorinated compounds (FCs) for plasma etching intricate patterns, cleaning reactor chambers, and temperature control. The specific electronic industry sectors include semiconductor, thin-film-transistor flat panel display (TFT-FPD), and photovoltaic (PV) manufacturing (collectively termed ‘electronics industry’).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010367](https://openenergyplatform.org/ontology/oeo/OEO_00010367)                                                                                                       | CRF sector (IPCC 2006): electronics industry - other                               | The CRF sector (IPCC 2006) 'electronics industry - other' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010038](https://openenergyplatform.org/ontology/oeo/OEO_00010038)                                                                                                       | CRF sector (IPCC 2006): energy                                                     | The CRF sector (IPCC 2006) energy is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>All GHG emissions arising from combustion and fugitive releases of fuels. Emissions from the non-energy uses of fuels are generally not included here, but reported under Industrial Processes and Product Use.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010040](https://openenergyplatform.org/ontology/oeo/OEO_00010040)                                                                                                       | CRF sector (IPCC 2006): energy industry                                            | The CRF sector (IPCC 2006) 'energy industry' is an energy transformation sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Comprises emissions from fuels combusted by the fuel extraction or energy-producing industries.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010179](https://openenergyplatform.org/ontology/oeo/OEO_00010179)                                                                                                       | CRF sector (IPCC 2006): enteric fermentation                                       | The CRF sector (IPCC 2006) 'enteric fermentation' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Methane emissions from herbivores as a by-product of enteric fermentation (a digestive process by which carbohydrates are broken down by micro-organisms into simple molecules for absorption into the bloodstream). Ruminant animals (e.g., cattle, sheep) are major sources with moderate amounts produced from non-ruminant animals (e.g., pigs, horses).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010354](https://openenergyplatform.org/ontology/oeo/OEO_00010354)                                                                                                       | CRF sector (IPCC 2006): ferroalloys production                                     | The CRF sector (IPCC 2006) 'ferroalloys' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Ferroalloys production covers emissions from primary metallurgical reduction production of the most common ferroalloys, i.e. ferro-silicon, silicon metal, ferro-manganese, silicon manganese, and ferro-chromium, excluding those<br>emissions relating to fuel use. From the production of these alloys, carbon dioxide (CO2), nitrous oxide (N2O), and methane (CH4) originating from ore- and reductant raw materials, is emitted.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010184](https://openenergyplatform.org/ontology/oeo/OEO_00010184)                                                                                                       | CRF sector (IPCC 2006): field burning of agricultural residues                     | The CRF sector (IPCC 2006) 'field burning of agricultural residues' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>CO2 emissions from urea application                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010370](https://openenergyplatform.org/ontology/oeo/OEO_00010370)                                                                                                       | CRF sector (IPCC 2006): fire protection                                            | The CRF sector (IPCC 2006) 'fire protection' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>There are two general types of fire protection (fire suppression) equipment that use greenhouse gases as partial replacements for halons: portable (streaming) equipment, and fixed (flooding) equipment. The non-ozone depleting, industrial gases HFCs, PFCs and more recently a fluoroketone are mainly used as substitutes for halons, typically halon 1301, in flooding equipment. PFCs played an early role in halon 1301 replacement but current use is limited to replenishment of previously installed systems. HFCs in portable equipment, typically replacing halon 1211, are available but have achieved very limited market acceptance due primarily to their high cost. PFC use in new portable extinguishers is currently limited to a small amount (few percent) in an HCFC blend.                                                                                                                                                                                                                                                              |
| [OEO:00010352](https://openenergyplatform.org/ontology/oeo/OEO_00010352)                                                                                                       | CRF sector (IPCC 2006): fluorochemical production                                  | The CRF sector (IPCC 2006) 'fluorochemical production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010369](https://openenergyplatform.org/ontology/oeo/OEO_00010369)                                                                                                       | CRF sector (IPCC 2006): foam blowing agents                                        | The CRF sector (IPCC 2006) 'foam blowing agents' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>HFCs are being used as replacements for CFCs and HCFCs in foams, particularly in closed-cell insulation applications. Compounds that are being used include HFC-245fa, HFC-365mfc, HFC-227ea, HFC-134a, and HFC-152a. The processes and applications for which these various HFCs are being used include insulation boards and panels, pipe sections, sprayed systems and onecomponent gap filling foams. For open-cell foams, such as integral skin products for automotive steering wheels and facias, emissions of HFCs used as blowing agents are likely to occur during the manufacturing process. In closedcell foam, emissions not only occur during the manufacturing phase, but usually extend into the in-use phase and often the majority of emission occurs at the endof-life (de-commissioning losses). Accordingly, emissions can occur over a period of up to 50 years or even longer.                                                                                                                                                       |
| [OEO:00010189](https://openenergyplatform.org/ontology/oeo/OEO_00010189)                                                                                                       | CRF sector (IPCC 2006): forest land                                                | The CRF sector (IPCC 2006) 'forest land' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions and removals from lands with woody vegetation consistent with thresholds used to define forest land in the national GHG inventory, sub-divided into managed and unmanaged, and possibly also by climatic region, soil type and vegetation type as appropriate. It also includes systems with vegetation that currently fall below, but are expected to later exceed, the threshold values used by a country to define the forest land category.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010039](https://openenergyplatform.org/ontology/oeo/OEO_00010039)                                                                                                       | CRF sector (IPCC 2006): fuel combustion                                            | The CRF sector (IPCC 2006) 'fuel combustion' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from the intentional oxidation of materials within an apparatus that is designed to raise heat and provide it either as heat or as mechanical work to a process or for use away from the apparatus.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010044](https://openenergyplatform.org/ontology/oeo/OEO_00010044)                                                                                                       | CRF sector (IPCC 2006): fuel combustion - other                                    | The CRF sector (IPCC 2006) 'fuel combustion' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>All remaining emissions from fuel combustion that are not specified elsewhere. Include emissions from fuel delivered to the military in the country and delivered to the military of other countries that are not engaged in multilateral operations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010043](https://openenergyplatform.org/ontology/oeo/OEO_00010043)                                                                                                       | CRF sector (IPCC 2006): fuel combustion - other sectors                            | The CRF sector (IPCC 2006) 'fuel combustion - other sectors' is an energy demand sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from combustion activities as described below, including combustion for the generation of electricity and heat for own use in these sectors.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010057](https://openenergyplatform.org/ontology/oeo/OEO_00010057)                                                                                                       | CRF sector (IPCC 2006): fugitive emissions from fuels                              | The CRF sector (IPCC 2006) 'fugitive emissions from fuels' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Includes all intentional and unintentional emissions from the extraction, processing, storage and transport of solid fuel to the point of final use.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010342](https://openenergyplatform.org/ontology/oeo/OEO_00010342)                                                                                                       | CRF sector (IPCC 2006): glass production                                           | The CRF sector (IPCC 2006) 'glass production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Process-related emissions from the production of various types of glass (ISIC: D2610).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010191](https://openenergyplatform.org/ontology/oeo/OEO_00010191)                                                                                                       | CRF sector (IPCC 2006): grassland                                                  | The CRF sector (IPCC 2006) 'grassland' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions and removals from rangelands and pasture land that is not considered cropland. It also includes systems with woody vegetation that fall below the threshold values used in the forest land category and are not expected to exceed them, without human intervention. The category also includes all grassland from wild lands to recreational areas as well as agricultural and silvi-pastural systems, subdivided into managed and unmanaged, consistent with national definitions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010195](https://openenergyplatform.org/ontology/oeo/OEO_00010195)                                                                                                       | CRF sector (IPCC 2006): harvested wood products                                    | The CRF sector (IPCC 2006) 'harvested wood products' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories<br>CO2 net emissions or removals resulting from Harvest Wood Products.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010366](https://openenergyplatform.org/ontology/oeo/OEO_00010366)                                                                                                       | CRF sector (IPCC 2006): heat transfer fluid                                        | The CRF sector (IPCC 2006) 'heat transfer fluid' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Heat transfer fluids, which include several fully fluorinated carbon compounds (either in pure form or in mixtures) with six or more carbon atoms, used and emitted during IC manufacture, testing and assembly. They are used in chillers, temperature shock testers and vapour phase reflow soldering.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010176](https://openenergyplatform.org/ontology/oeo/OEO_00010176)                                                                                                       | CRF sector (IPCC 2006): incineration and open burning of waste                     | The CRF sector (IPCC 2006) 'incineration and open burning of waste' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Incineration of waste and open burning waste, not including waste-to-energy facilities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010230](https://openenergyplatform.org/ontology/oeo/OEO_00010230)                                                                                                       | CRF sector (IPCC 2006): indirect CO2                                               | The CRF sector (IPCC 2006): 'indirect CO2' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories: It encompasses Methane, carbon monoxide (CO) or NMVOC emissions that will eventually be oxidised to CO2 in the atmosphere.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010046](https://openenergyplatform.org/ontology/oeo/OEO_00010046)                                                                                                       | CRF sector (IPCC 2006): industrial processes and product use                       | The CRF sector (IPCC 2006) 'energy industrial processes and product use' (IPPU) is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>It covers greenhouse gas emissions occurring from industrial processes, from the use of greenhouse gases in products, and from non-energy uses of fossil fuel carbon.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010173](https://openenergyplatform.org/ontology/oeo/OEO_00010173)                                                                                                       | CRF sector (IPCC 2006): industrial processes and product use - other               | The CRF sector (IPCC 2006) 'industrial processes and product use - other' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010339](https://openenergyplatform.org/ontology/oeo/OEO_00010339)                                                                                                       | CRF sector (IPCC 2006): injection and storage                                      | The CRF sector (IPCC 2006) 'pipelines' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Fugitive emissions from activities and equipment at the injection site and those from the end containment once the CO2 is placed in storage.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010363](https://openenergyplatform.org/ontology/oeo/OEO_00010363)                                                                                                       | CRF sector (IPCC 2006): integrated circuit or semiconductor                        | The CRF sector (IPCC 2006) 'integrated circuit or semiconductor' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions of CF4, C2F6, C3F8, c-C4F8, C4F6, C4F8O, C5F8, CHF3, CH2F2, NF3 and SF6 from uses of these gases in Integrated Circuit (IC) manufacturing in rapidly evolving ways and in varying amounts, which depend on product<br>(e.g., memory or logic devices) and equipment manufacturer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010201](https://openenergyplatform.org/ontology/oeo/OEO_00010201)                                                                                                       | CRF sector (IPCC 2006): international aviation                                     | The CRF sector (IPCC 2006) 'international aviation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. It encompasses emissions from flights that depart in one country and arrive in a different country.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010200](https://openenergyplatform.org/ontology/oeo/OEO_00010200)                                                                                                       | CRF sector (IPCC 2006): international bunkers                                      | The CRF sector (IPCC 2006) 'international bunkers' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. It encompasses international aviation and maritime navigation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010199](https://openenergyplatform.org/ontology/oeo/OEO_00010199)                                                                                                       | CRF sector (IPCC 2006): international bunkers and multilateral operations          | The CRF sector (IPCC 2006) international bunkers is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. It encompasses international bunkers and multilateral operation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010168](https://openenergyplatform.org/ontology/oeo/OEO_00010168)                                                                                                       | CRF sector (IPCC 2006): iron and steel production                                  | The CRF sector (IPCC 2006) 'iron and steel production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Carbon dioxide is the predominant gas emitted from the production of iron and steel. The sources of the carbon dioxide emissions include that from carbon-containing reducing agents such as coke and pulverized coal, and, from minerals such as limestone and dolomite added.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010048](https://openenergyplatform.org/ontology/oeo/OEO_00010048)                                                                                                       | CRF sector (IPCC 2006): land use, land-use change and forestry                     | The CRF sector (IPCC 2006) 'land use, land-use change and forestry' (LULUCF) is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010196](https://openenergyplatform.org/ontology/oeo/OEO_00010196)                                                                                                       | CRF sector (IPCC 2006): land use, land-use change and forestry - other             | The CRF sector (IPCC 2006) 'land use, land-use change and forestry - other' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010357](https://openenergyplatform.org/ontology/oeo/OEO_00010357)                                                                                                       | CRF sector (IPCC 2006): lead production                                            | The CRF sector (IPCC 2006) 'lead production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Lead production covers production by the sintering/smelting process as well as direct smelting. Carbon dioxide emissions result as a product of the use of a variety of carbon-based reducing agents in both production <br>processes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010341](https://openenergyplatform.org/ontology/oeo/OEO_00010341)                                                                                                       | CRF sector (IPCC 2006): lime production                                            | The CRF sector (IPCC 2006) 'lime production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Process-related emissions from the production of various types of lime (ISIC: D2694).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010185](https://openenergyplatform.org/ontology/oeo/OEO_00010185)                                                                                                       | CRF sector (IPCC 2006): liming                                                     | The CRF sector (IPCC 2006) 'liming' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>CO2 emissions from the use of lime in agricultural soils, managed forest soils or lakes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010356](https://openenergyplatform.org/ontology/oeo/OEO_00010356)                                                                                                       | CRF sector (IPCC 2006): magnesium production                                       | The CRF sector (IPCC 2006) 'magnesium production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Magnesium production covers GHG emissions related to both primary magnesium production as well as oxidation protection of magnesium metal during processing (recycling and casting), excluding those emissions relating to fuel use. In the primary production of magnesium, carbon dioxide (CO2) is emitted during calcination of dolomite and magnesite raw materials. Primary production of magnesium from non-carbonate raw materials does not emit carbon dioxide. In the processing of liquid magnesium, cover gases containing carbon dioxide (CO2), sulphur hexafluoride (SF6), the hydrofluorocarbon HFC 134a or the fluorinated ketone FK 5-1-12 ( C3F7C(O)C2F5) may be used. Partial<br>thermal decomposition and/or reaction between these compounds and liquid magnesium generates secondary compounds such as perfluorocarbons (PFCs), which are emitted in addition to unreacted cover gas constituents.                                                                                                                                    |
| [OEO:00010160](https://openenergyplatform.org/ontology/oeo/OEO_00010160)                                                                                                       | CRF sector (IPCC 2006): manufacture of solid fuels and other energy industries     | The CRF sector (IPCC 2006) 'manufacture of solid fuels and other energy industries' is an energy transformation sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Combustion emissions from fuel use during the manufacture of secondary and tertiary products from solid fuels including production of charcoal.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010041](https://openenergyplatform.org/ontology/oeo/OEO_00010041)                                                                                                       | CRF sector (IPCC 2006): manufacturing industries and construction                  | The CRF sector (IPCC 2006) 'manufacturing industries and construction' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from combustion of fuels in industry. Also includes combustion for the generation of electricity and heat for own use in these industries.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010180](https://openenergyplatform.org/ontology/oeo/OEO_00010180)                                                                                                       | CRF sector (IPCC 2006): manure management                                          | The CRF sector (IPCC 2006) 'manure management' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Methane and nitrous oxide emissions from the decomposition of manure under low oxygen or anaerobic conditions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010202](https://openenergyplatform.org/ontology/oeo/OEO_00010202)                                                                                                       | CRF sector (IPCC 2006): maritime navigation                                        | The CRF sector (IPCC 2006) 'maritime navigation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. Emissions from fuels used by vessels of all flags that are engaged in international water-borne navigation. The international navigation may take place at sea, on inland lakes and waterways and in coastal waters. It includes emissions from journeys that depart in one country and arrive in a different country. It excludes consumption by fishing vessels.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010167](https://openenergyplatform.org/ontology/oeo/OEO_00010167)                                                                                                       | CRF sector (IPCC 2006): metal industry                                             | The CRF sector (IPCC 2006) 'metal industry' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Greenhouse gas emissions that result from the production of metals.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010359](https://openenergyplatform.org/ontology/oeo/OEO_00010359)                                                                                                       | CRF sector (IPCC 2006): metal industry - other                                     | The CRF sector (IPCC 2006) 'metal industry - other' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010164](https://openenergyplatform.org/ontology/oeo/OEO_00010164)                                                                                                       | CRF sector (IPCC 2006): mineral industry                                           | The CRF sector (IPCC 2006) 'mineral industry' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Process-related carbon dioxide (CO2) emissions resulting from the use of carbonate raw materials in the production and use of a variety of mineral industry products.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010203](https://openenergyplatform.org/ontology/oeo/OEO_00010203)                                                                                                       | CRF sector (IPCC 2006): multilateral operations                                    | The CRF sector (IPCC 2006) 'multilateral operation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from fuels used for aviation and waterborne navigation in multilateral operations pursuant to the Charter of the United Nations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010376](https://openenergyplatform.org/ontology/oeo/OEO_00010376)                                                                                                       | CRF sector (IPCC 2006): N2O from product use                                       | The CRF sector (IPCC 2006) 'N2O from product use' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Evaporative emissions of nitrous oxide (N2O) can arise from various types of product use, including:<br>- Medical applications (anaesthetic use, analgesic use and veterinary use);<br>- Use as a propellant in aerosol products, primarily in food industry (pressure-packaged whipped cream, etc);<br>- Oxidising agent and etchant used in semiconductor manufacturing;<br>- Oxidising agent used, with acetylene, in atomic absorption spectrometry;<br>- Production of sodium azide, which is used to inflate airbags;<br>- Fuel oxidant in auto racing; and<br>- Oxidising agent in blowtorches used by jewelers and others.                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010345](https://openenergyplatform.org/ontology/oeo/OEO_00010345)                                                                                                       | CRF sector (IPCC 2006): nitric acid production                                     | The CRF sector (IPCC 2006) 'nitric acid production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Nitric acid is used as a raw material mainly in the manufacture of nitrogenous-based fertiliser. Nitric acid may also be used in the production of adipic acid and explosives (e.g., dynamite), for metal etching and in the processing of ferrous metals. The main greenhouse gas emitted from HNO3 production is nitrous oxide                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010169](https://openenergyplatform.org/ontology/oeo/OEO_00010169)                                                                                                       | CRF sector (IPCC 2006): non-energy products from fuels and solvent use             | The CRF sector (IPCC 2006) 'non-energy products from fuels and solvent use' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>The use of oil products and coal-derived oils primarily intended for purposes other than combustion                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010162](https://openenergyplatform.org/ontology/oeo/OEO_00010162)                                                                                                       | CRF sector (IPCC 2006): oil and natural gas                                        | The CRF sector (IPCC 2006) 'oil and natural gas' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Comprises fugitive emissions from all oil and natural gas activities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010050](https://openenergyplatform.org/ontology/oeo/OEO_00010050)                                                                                                       | CRF sector (IPCC 2006): other                                                      | The CRF sector (IPCC 2006) 'other' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010373](https://openenergyplatform.org/ontology/oeo/OEO_00010373)                                                                                                       | CRF sector (IPCC 2006): other applications                                         | The CRF sector (IPCC 2006) 'other applications' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>The properties of ozone depleting substances have made them attractive for a variety of niche applications not covered in other sub-source categories. These include electronics testing, heat transfer, dielectric fluid and medical applications. The properties of HFCs and PFCs are equally attractive in some of these sectors and they have been adopted as substitutes. There are also some historical uses of PFCs, as well as emerging use of HFCs, in these applications. These applications have leakage rates ranging from 100% emissive in year of application to around 1% per annum.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010187](https://openenergyplatform.org/ontology/oeo/OEO_00010187)                                                                                                       | CRF sector (IPCC 2006): other carbon-containing fertilizers                        | The CRF sector (IPCC 2006) 'other carbon-containing fertilizers' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010194](https://openenergyplatform.org/ontology/oeo/OEO_00010194)                                                                                                       | CRF sector (IPCC 2006): other land                                                 | The CRF sector (IPCC 2006) 'other land' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions and removals from bare soil, rock, ice, and all unmanaged land areas that do not fall into any of the other five categories.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010343](https://openenergyplatform.org/ontology/oeo/OEO_00010343)                                                                                                       | CRF sector (IPCC 2006): other process uses of carbonates                           | The CRF sector (IPCC 2006) 'other process uses of carbonates' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Includes limestone, dolomite and other carbonates etc. Emissions from the use of limestone, dolomite and other carbonates should be included in the industrial source category where they are emitted. Therefore, for example, where a carbonate is used as a flux for iron and steel production, resultant emissions should be reported under 2C1 “Iron and Steel Production” rather than this<br>subcategory.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010172](https://openenergyplatform.org/ontology/oeo/OEO_00010172)                                                                                                       | CRF sector (IPCC 2006): other product manufacture and use                          | The CRF sector (IPCC 2006) 'other product manufacture and use' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions of sulphur hexafluoride (SF6) and perfluorocarbons<br>(PFCs) from the manufacture and use of electrical equipment and a number of other products. It also includes emissions of nitrous oxide (N2O) from several products.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010377](https://openenergyplatform.org/ontology/oeo/OEO_00010377)                                                                                                       | CRF sector (IPCC 2006): other product manufacture and use - other                  | The CRF sector (IPCC 2006) 'other product manufacture and use - other' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010063](https://openenergyplatform.org/ontology/oeo/OEO_00010063)                                                                                                       | CRF sector (IPCC 2006): other transportation                                       | The CRF sector (IPCC 2006) 'other transportation' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Combustion emissions from all remaining transport activities including pipeline transportation, ground activities in airports and harbours, and off-road activities not otherwise reported under 1 A 4 c Agriculture or 1 A 2. Manufacturing Industries and Construction. Military transport should be reported under 1 A 5.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010351](https://openenergyplatform.org/ontology/oeo/OEO_00010351)                                                                                                       | CRF sector (IPCC 2006): petrochemical and carbon black production                  | The CRF sector (IPCC 2006) 'petrochemical and carbon black production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010159](https://openenergyplatform.org/ontology/oeo/OEO_00010159)                                                                                                       | CRF sector (IPCC 2006): petroleum refining                                         | The CRF sector (IPCC 2006) 'petroleum refining' is an energy transformation sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>All combustion activities supporting the refining of petroleum products including on-site combustion for the generation of electricity and heat for own use.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010365](https://openenergyplatform.org/ontology/oeo/OEO_00010365)                                                                                                       | CRF sector (IPCC 2006): photovoltaics                                              | The CRF sector (IPCC 2006) 'photovoltaics' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Photovoltaic cell manufacture may use and emit CF4 and C2F6 among others.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010064](https://openenergyplatform.org/ontology/oeo/OEO_00010064)                                                                                                       | CRF sector (IPCC 2006): pipeline transport                                         | The CRF sector (IPCC 2006) 'pipeline transport' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Combustion related emissions from the operation of pump stations and maintenance of pipelines. Transport via pipelines includes transport of gases  liquids, slurry and other commodities via pipelines. Distribution of natural or manufactured gas, water or steam from the distributor to final users is excluded and should be reported in 1 A 1 c ii or 1 A 4 a.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010183](https://openenergyplatform.org/ontology/oeo/OEO_00010183)                                                                                                       | CRF sector (IPCC 2006): prescribed burning of savannas                             | The CRF sector (IPCC 2006) 'prescribed burning of savannas' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010171](https://openenergyplatform.org/ontology/oeo/OEO_00010171)                                                                                                       | CRF sector (IPCC 2006): product uses as substitutes for ozone depleting substances | The CRF sector (IPCC 2006) 'product uses as substitutes for ozone depleting substances' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Hydrofluorocarbons (HFCs) and, to a very limited extent, perfluorocarbons (PFCs), are serving as alternatives to ozone depleting substances (ODS) being phased out under the Montreal Protocol.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010158](https://openenergyplatform.org/ontology/oeo/OEO_00010158)                                                                                                       | CRF sector (IPCC 2006): public electricity and heat production                     | The CRF sector (IPCC 2006) 'public electricity and heat production' is an energy transformation sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Sum of emissions from main activity producers of electricity generation, combined heat and power generation, and heat plants.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010061](https://openenergyplatform.org/ontology/oeo/OEO_00010061)                                                                                                       | CRF sector (IPCC 2006): railways                                                   | 2006 IPCC Guidelines for National Greenhouse Gas Inventories, Volume 1, Chapter 8.5, https://www.ipcc-nggip.iges.or.jp/public/2006gl/|The CRF sector (IPCC 2006) 'railways' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from railway transport for both freight and passenger traffic routes.<br><br>Add 'is sector of' axiom:<br>issue: https://github.com/OpenEnergyPlatform/ontology/issues/1333<br>pull request: https://github.com/OpenEnergyPlatform/ontology/pull/1788|issue: https://github.com/OpenEnergyPlatform/ontology/issues/580<br>pull request: https://github.com/OpenEnergyPlatform/ontology/pull/595<br><br>move to oeo-sector <br>issue: https://github.com/OpenEnergyPlatform/ontology/issues/1399<br>pull request: https://github.com/OpenEnergyPlatform/ontology/pull/1724                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010368](https://openenergyplatform.org/ontology/oeo/OEO_00010368)                                                                                                       | CRF sector (IPCC 2006): refrigeration and air conditioning                         | The CRF sector (IPCC 2006) 'refrigeration and air conditioning' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Refrigeration and air-conditioning systems are usually classified in six application domains or categories. These categories utilise different technologies such as heat exchangers, expansion devices, pipings and compressors. The six application domains are domestic refrigeration, commercial refrigeration, industrial processes, transport refrigeration, stationary air conditioning, mobile airconditioning systems. For all these applications, various HFCs are selectively replacing CFCs and HCFCs. For example, in developed countries, HFC-134a has replaced CFC-12 in domestic refrigeration and mobile air conditioning systems, and blends of HFCs such as R-407C (HFC-32/HFC-125/HFC-134a) and R-410A (HFC-32/HFC-125) are replacing HCFC-22 mainly in stationary air conditioning. Other, non HFC substances are used to replace CFCs and HCFCs such as iso-butane in domestic refrigeration or ammonia in industrial refrigeration. HFC- 152a is also being considered for mobile air conditioning in several regions. |
| [OEO:00010053](https://openenergyplatform.org/ontology/oeo/OEO_00010053)                                                                                                       | CRF sector (IPCC 2006): residential                                                | The CRF sector (IPCC 2006) 'residential' is a household sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>All emissions from fuel combustion in households.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010181](https://openenergyplatform.org/ontology/oeo/OEO_00010181)                                                                                                       | CRF sector (IPCC 2006): rice cultivation                                           | The CRF sector (IPCC 2006) 'rice cultivation' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Methane (CH4) emissions from anaerobic decomposition of organic material in flooded rice fields.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010060](https://openenergyplatform.org/ontology/oeo/OEO_00010060)                                                                                                       | CRF sector (IPCC 2006): road transportation                                        | The CRF sector (IPCC 2006) 'road transport' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>All combustion and evaporative emissions arising from fuel use in road vehicles, including the use of agricultural vehicles on paved roads.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010193](https://openenergyplatform.org/ontology/oeo/OEO_00010193)                                                                                                       | CRF sector (IPCC 2006): settlements                                                | The CRF sector (IPCC 2006) 'settlements' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions and removals from all developed land, including transportation infrastructure and human settlements of any size, unless they are already included under other categories.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010375](https://openenergyplatform.org/ontology/oeo/OEO_00010375)                                                                                                       | CRF sector (IPCC 2006): SF6 and PFCs from other product use                        | The CRF sector (IPCC 2006) 'SF6 and PFCs from other product use' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Identified remaining applications in this source category include:<br>- SF6 and PFCs used in military applications, particularly SF6 used in airborne radar systems, e.g., AWACS (Airborne Warning and Control System), and PFCs used as heat transfer fluids in high-powered electronic applications;<br>- SF6 used in equipment in university and research particle accelerators;<br>- SF6 used in equipment in industrial and medical particle accelerators;<br>- ‘Adiabatic’ applications utilising the low permeability through rubber of SF6 and some PFCs, e.g., car tires and sport shoe soles;<br>- SF6 used in sound-proof windows;<br>- PFCs used as heat transfer fluids in commercial and consumer applications;<br>- PFCs used in cosmetics and in medical applications;<br>- Other uses e.g. gas-air tracer in research and leak detectors.                                                                                                                                                                                  |
| [OEO:00010350](https://openenergyplatform.org/ontology/oeo/OEO_00010350)                                                                                                       | CRF sector (IPCC 2006): soda ash production                                        | The CRF sector (IPCC 2006) 'soda ash production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Soda ash (sodium carbonate, Na2CO3) is a white crystalline solid that is used as a raw material in a large number of industries including glass manufacture, soap and detergents, pulp and paper production and water treatment. Emissions of CO2 from the production of soda ash vary dependent on the manufacturing process. Four different processes may be used to produce soda ash. Three of these processes, monohydrate, sodium sesquicarbonate (trona) and direct carbonation, are referred to as natural processes. The fourth, the Solvay process, is classified as a synthetic process.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010161](https://openenergyplatform.org/ontology/oeo/OEO_00010161)                                                                                                       | CRF sector (IPCC 2006): solid fuels                                                | The CRF sector (IPCC 2006) 'solid fuels' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Includes all intentional and unintentional emissions from the extraction, processing, storage and transport of fuel to the point of final use.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010174](https://openenergyplatform.org/ontology/oeo/OEO_00010174)                                                                                                       | CRF sector (IPCC 2006): solid waste disposal                                       | The CRF sector (IPCC 2006) 'solid waste disposal' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Methane is produced from anaerobic microbial decomposition of organic matter in solid waste disposal sites.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010372](https://openenergyplatform.org/ontology/oeo/OEO_00010372)                                                                                                       | CRF sector (IPCC 2006): solvents                                                   | The CRF sector (IPCC 2006) 'solvents' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>HFCs and, to a much lesser extent PFCs, are being used as substitutes for ozone depleting substances (most notably CFC-113). Typical HFCs used are HFC-365mfc and HFC-43-10mee. Use of these fluorinated replacements is much less widespread than the ozone depleting substances they replace. Re-capture and re-use is also much more widely practiced The primary areas of use are precision cleaning, electronics cleaning, metal cleaning and deposition applications. Emissions from aerosols containing solvents should be reported undercategory 2F4 "Aerosols" rather than under this category.                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010364](https://openenergyplatform.org/ontology/oeo/OEO_00010364)                                                                                                       | CRF sector (IPCC 2006): TFT flat panel display                                     | The CRF sector (IPCC 2006) 'TFT flat panel display' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Uses and emissions of predominantly CF4, CHF3, NF3 and SF6 during the fabrication of thin-film transistors (TFTs) on glass substrates for flat panel display manufacture. In addition to these gases, C2F6, C3F8 and c-C4F8 may also be used and emitted during the manufacture of thin and smart displays.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010349](https://openenergyplatform.org/ontology/oeo/OEO_00010349)                                                                                                       | CRF sector (IPCC 2006): titanium dioxide production                                | The CRF sector (IPCC 2006) 'titanium dioxide producion' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Titanium dioxide (TiO2) is the most important white pigment. The main use is in paint manufacture followed by paper, plastics, rubber, ceramics, fabrics, floor covering, printing ink, and other miscellaneous uses. The main production process is the chloride route, giving rise to CO2 emissions that are likely to be significant. This category also includes synthetic rutile production using the Becher process, and titanium slag production, both of which are reduction processes using fossil fuels and resulting in CO2 emissions. Synthetic rutile is the major input to TiO2 production using the chloride route.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010197](https://openenergyplatform.org/ontology/oeo/OEO_00010197)                                                                                                       | CRF sector (IPCC 2006): total emissions excluding LULUCF                           | The CRF sector (IPCC 2006) 'total emissions excluding LULUCF' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. It encompasses the following IPCC 2006 sectors: energy; industrial processes and product use; agriculture; waste; and other.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010198](https://openenergyplatform.org/ontology/oeo/OEO_00010198)                                                                                                       | CRF sector (IPCC 2006): total emissions including LULUCF                           | The CRF sector (IPCC 2006) 'total emissions including LULUCF' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories. It encompasses the following IPCC 2006 sectors: energy; industrial processes and product use; agriculture; land use, land-use change and forestry; waste; and other.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010042](https://openenergyplatform.org/ontology/oeo/OEO_00010042)                                                                                                       | CRF sector (IPCC 2006): transport                                                  | The CRF sector (IPCC 2006) 'transport' is a transport sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from the combustion and evaporation of fuel for all transport activity (excluding military transport), regardless of the sector, specified by sub-categories below. Emissions from fuel sold to any air or marine vessel engaged in international transport (1 A 3 a i and 1 A 3 d i) should as far as possible be excluded from the totals and subtotals in this category and should be reported separately.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010338](https://openenergyplatform.org/ontology/oeo/OEO_00010338)                                                                                                       | CRF sector (IPCC 2006): transport of CO2                                           | The CRF sector (IPCC 2006) 'transport of CO2' is a sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>This comprises fugitive emissions from the systems used to transport captured CO2 from the source to the injection site. These emissions may comprise losses due to fugitive equipment leaks, venting and releases due to pipeline<br>ruptures or other accidental releases (e.g., temporary storage).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010186](https://openenergyplatform.org/ontology/oeo/OEO_00010186)                                                                                                       | CRF sector (IPCC 2006): urea application                                           | The CRF sector (IPCC 2006) 'urea application' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010049](https://openenergyplatform.org/ontology/oeo/OEO_00010049)                                                                                                       | CRF sector (IPCC 2006): waste                                                      | The CRF sector (IPCC 2006) 'waste' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O) emissions from following categories: Solid waste disposal, Biological treatment of solid waste,<br>Incineration and open burning of waste, Wastewater treatment and discharge.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010178](https://openenergyplatform.org/ontology/oeo/OEO_00010178)                                                                                                       | CRF sector (IPCC 2006): waste - other                                              | The CRF sector (IPCC 2006) 'waste - other' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010177](https://openenergyplatform.org/ontology/oeo/OEO_00010177)                                                                                                       | CRF sector (IPCC 2006): waste water treatment and discharge                        | The CRF sector (IPCC 2006) 'waste water treatment and discharge' is a waste and wastewater sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Methane is produced from anaerobic decomposition of organic matter by bacteria in sewage facilities and from food processing and other industrial facilities during wastewater treatment. N2O is also produced by bacteria<br>(denitrification and nitrification) in wastewater treatment and discharge.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010192](https://openenergyplatform.org/ontology/oeo/OEO_00010192)                                                                                                       | CRF sector (IPCC 2006): wetlands                                                   | The CRF sector (IPCC 2006) 'wetlands' is an agriculture, forestry and land use sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Emissions from land that is covered or saturated by water for all or part of the year (e.g., peatland) and that does not fall into the forest land, cropland, grassland or settlements categories. The category can be subdivided into managed and unmanaged according to national definitions. It includes reservoirs as a managed sub-division and natural rivers and lakes as unmanaged sub-divisions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010358](https://openenergyplatform.org/ontology/oeo/OEO_00010358)                                                                                                       | CRF sector (IPCC 2006): zinc production                                            | The CRF sector (IPCC 2006) 'zinc production' is an industry sector defined by the 2006 IPCC Guidelines for National Greenhouse Gas Inventories:<br>Zinc production covers emissions from both primary production of zinc from ore as well as recovery of zinc from scrap metals, excluding emissions related to fuel use. Following calcination, zinc metal is produced through one of three methods; 1-electro-thermic distillation, 2-pyrometallurgical smelting or 3-electrolysis. If method 1 or 2 is used, carbon dioxide (CO2) is emitted. Method 3 does not result in carbon dioxide emissions. Recovery of zinc from metal scrap often uses the same methods as primary production and may thus produce carbon dioxide emissions, which is included in this section.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000243](https://openenergyplatform.org/ontology/oeo/OEO_00000243)                                                                                                       | CRF sectors (IPCC 1996)                                                            | CRF sectors (IPCC 1996) is a version of the common reporting format that was used for national greenhouse gas inventories until the year 2014. It implements the Revised 1996 IPCC Guidelines for National Greenhouse Gas Inventories (with some deviations).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000242](https://openenergyplatform.org/ontology/oeo/OEO_00000242)                                                                                                       | CRF sectors (IPCC 2006)                                                            | CRF sectors (IPCC 2006) is a version of the common reporting format that was used for national greenhouse gas inventories since the year 2015. It implements the 2006 IPCC Guidelines for National Greenhouse Gas Inventories (with some deviations).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010402](https://openenergyplatform.org/ontology/oeo/OEO_00010402)                                                                                                       | CRF-based sector division                                                          | A CRF-based sector division is a sector division that is derived from a common reporting format.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00360041](https://openenergyplatform.org/ontology/oeo/OEO_00360041)                                                                                                       | critical infrastructure                                                            | A critical infrastructure is a supply system of artificial objects and systems which have the critical infrastructure role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00360040](https://openenergyplatform.org/ontology/oeo/OEO_00360040)                                                                                                       | critical infrastructure role                                                       | A critical infrastructure role is a role of artificial objects, such as plants and systems, that are assessed to be crucial for the preservation of societal functions, health, safety and economical or social welfare.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00140025](https://openenergyplatform.org/ontology/oeo/OEO_00140025)                                                                                                       | cross-checking against other models                                                | Cross-checking against other models is a validation where a model gets cross-checked against other models of the domain.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000115](https://openenergyplatform.org/ontology/oeo/OEO_00000115)                                                                                                       | crude oil                                                                          | Crude oil is a portion of mater of fossil origin comprising a mixture of hydrocarbons and associated impurities, such as sulphur. It exists in the liquid phase under normal surface temperature and pressure and its physical characteristics (density, viscosity, etc.) are highly variable. This category includes field or lease condensate recovered from associated and non-associated gas where it is commingled with the commercial crude oil stream.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000097](https://openenergyplatform.org/ontology/oeo/UO_0000097)                                                                                                         | cubic centimeter                                                                   | "A volume unit which is equal to one millionth of a cubic meter or 10^[-9] m^[3], or to 1 ml." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [UO:1000097](https://openenergyplatform.org/ontology/oeo/UO_1000097)                                                                                                         | cubic centimeter based unit                                                        | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000096](https://openenergyplatform.org/ontology/oeo/UO_0000096)                                                                                                         | cubic meter                                                                        | "A volume unit which is equal to the volume of a cube with edges one meter in length. One cubic meter equals to 1000 liters." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [UO:1000096](https://openenergyplatform.org/ontology/oeo/UO_1000096)                                                                                                         | cubic meter based unit                                                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00040004](https://openenergyplatform.org/ontology/oeo/OEO_00040004)                                                                                                       | currency                                                                           | A unit which is a measure of the medium of an exchange value, defined by reference to the geographical location of the monetary authorities responsible for it.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010300](https://openenergyplatform.org/ontology/oeo/OEO_00010300)                                                                                                       | current collector                                                                  | A current collector is an energy converting component that transfers electrical energy between a stationary conductor and a grid supplied electric vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020107](https://openenergyplatform.org/ontology/oeo/OEO_00020107)                                                                                                       | curtailment                                                                        | Curtailment is a process in which a power generating unit is forced to reduce its output, in order to balance energy supply and demand or due to transmission constraints.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [STATO:0000633](https://openenergyplatform.org/ontology/oeo/STATO_0000633)                                                                                                      | cutoff                                                                             | a cutoff is an information content entity that represents or sets the boundary at which something changes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

## D

| ID                                               | LABEL                                         | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|:-------------------------------------------------|:----------------------------------------------|: |
| [OEO:00020163](https://openenergyplatform.org/ontology/oeo/OEO_00020163)                                     | daily                                         | one value per day                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000117](https://openenergyplatform.org/ontology/oeo/OEO_00000117)                                     | dam                                           | A dam is an artificial object that stops or restricts the flow of water or underground streams.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| https://www.commoncoreontologies.org/ont00001289 | Damaged Stasis                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00310000](https://openenergyplatform.org/ontology/oeo/OEO_00310000)                                     | data center                                   | A datacenter is an artificial object that houses computer systems and associated components.                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000119](https://openenergyplatform.org/ontology/oeo/OEO_00000119)                                     | data descriptor                               | A data descriptor is an information content entity that contains additional information about some data.                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00280000](https://openenergyplatform.org/ontology/oeo/OEO_00280000)                                     | data file format                              | A file format is a data format that describes how data is structured in a file.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000120](https://openenergyplatform.org/ontology/oeo/OEO_00000120)                                     | data format                                   | A data format is a data descriptor that specifies the structure in which the data item is encoded.                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [IAO:0000098](https://openenergyplatform.org/ontology/oeo/IAO_0000098)                                      | data format specification                     | A data format specification is the information content borne by the document published defining the specification.<br>Example: The ISO document specifying what encompasses an XML document; The instructions in a XSD file                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000121](https://openenergyplatform.org/ontology/oeo/OEO_00000121)                                     | data frame                                    | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [IAO:0000027](https://openenergyplatform.org/ontology/oeo/IAO_0000027)                                      | data item                                     | A data item is an information content entity that is intended to be a truthful statement about something (modulo, e.g., measurement precision or other systematic errors) and is constructed/acquired by a method which reliably tends to produce (approximately) truthful statements.|An information content entity that is intended to be a truthful statement about something (modulo, e.g., measurement precision or other systematic errors) and is constructed/acquired by a method which reliably tends to produce (approximately) truthful statements. |
| [OEO:00020186](https://openenergyplatform.org/ontology/oeo/OEO_00020186)                                     | data licence                                  | A data licence is a licence that determines ownership, database protection, and permissions for data.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00000122](https://openenergyplatform.org/ontology/oeo/OEO_00000122)                                     | data postprocessing                           | Data postprocessing is data processing that transforms the output of a model calculation into a form that is suitable for presentation.                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00390003](https://openenergyplatform.org/ontology/oeo/OEO_00390003)                                     | data preparation                              | Data preparation is an action specification that describes the steps the bearer takes to acquire raw data and how this data is cleaned, transformed, and structured for subsequent analysis. So it includes the acquisition and pre-processing of data.                                                                                                                                                                                                                                                                                                        |
| [OEO:00000123](https://openenergyplatform.org/ontology/oeo/OEO_00000123)                                     | data preprocessing                            | Data preprocessing is data processing that transforms the input into a form that is useable for a model calculation.                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000124](https://openenergyplatform.org/ontology/oeo/OEO_00000124)                                     | data processing                               | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000125](https://openenergyplatform.org/ontology/oeo/OEO_00000125)                                     | data processing software                      | data processing software is software used in the context of data processing.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [IAO:0000100](https://openenergyplatform.org/ontology/oeo/IAO_0000100)                                      | data set                                      | A data item that is an aggregate of other data items of the same type that have something in common. Averages and distributions can be determined for data sets.                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000118](https://openenergyplatform.org/ontology/oeo/OEO_00000118)                                     | database                                      | A database is an information content entity that stores data items and data sets.                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [UO:0000033](https://openenergyplatform.org/ontology/oeo/UO_0000033)                                       | day                                           | "A time unit which is equal to 24 hours." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:1000033](https://openenergyplatform.org/ontology/oeo/UO_1000033)                                       | day based unit                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000936 | Deactivated Stasis                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000295](https://openenergyplatform.org/ontology/oeo/UO_0000295)                                       | deca                                          | "A prefix in the metric system denoting a factor of ten." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010212](https://openenergyplatform.org/ontology/oeo/OEO_00010212)                                     | decarbonisation pathway                       | A decarbonisation pathway is a policy that aims at long-term emissions reductions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00230002](https://openenergyplatform.org/ontology/oeo/OEO_00230002)                                     | declared net capacity                         | Declared net capacity is a power capacity stating the maximum power a power generating unit or a power plant can deliver to the electrical grid. It equals the sum of the rated powers of all plant generators minus all power used internally within the plant.                                                                                                                                                                                                                                                                                               |
| [OEO:00020173](https://openenergyplatform.org/ontology/oeo/OEO_00020173)                                     | decommissioning cost                          | Decommissioning costs are investment costs arising from the decommissioning of a technological device at the end of its lifetime.                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020420](https://openenergyplatform.org/ontology/oeo/OEO_00020420)                                     | decommissioning end                           | A decommissioning end is an end time that indicates the beginning of a decommissioning time.                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020417](https://openenergyplatform.org/ontology/oeo/OEO_00020417)                                     | decommissioning start                         | A decommissioning start is a start time that indicates the beginning of a decommissioning time.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020177](https://openenergyplatform.org/ontology/oeo/OEO_00020177)                                     | decommissioning time                          | A decommissioning time is a time span that measures the time that is needed to decommission an artificial object.                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00340004](https://openenergyplatform.org/ontology/oeo/OEO_00340004)                                     | decrease                                      | A process of becoming smaller, less numerous, less important, or less likely.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| https://www.commoncoreontologies.org/ont00000726 | Decrease of Dependent Continuant              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000543 | Decrease of Disposition                       | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000982 | Decrease of Function                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00001322 | Decrease of Generically Dependent Continuant  | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000535 | Decrease of Quality                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000854 | Decrease of Realizable Entity                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000033 | Decrease of Role                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000290 | Decrease of Specifically Dependent Continuant | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00400020](https://openenergyplatform.org/ontology/oeo/OEO_00400020)                                     | deep uncertainty                              | Deep uncertainty is a level of model uncertainty at which one can enumerate multiple alternatives, without being able to rank them in order of likelihood.                                                                                                                                                                                                                                                                                                                                                                                                     |
| https://www.commoncoreontologies.org/ont00000999 | Defunct Stasis                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000185](https://openenergyplatform.org/ontology/oeo/UO_0000185)                                       | degree                                        | "A plane angle unit which is equal to 1/360 of a full rotation or 1.7453310^[-2] rad." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [UO:1000185](https://openenergyplatform.org/ontology/oeo/UO_1000185)                                       | degree based unit                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000027](https://openenergyplatform.org/ontology/oeo/UO_0000027)                                       | degree Celsius                                | "A temperature unit which is equal to one kelvin degree. However, they have their zeros at different points. The centigrade scale has its zero at 273.15 K." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                       |
| [UO:1000027](https://openenergyplatform.org/ontology/oeo/UO_1000027)                                       | degree Celsius based unit                     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00390105](https://openenergyplatform.org/ontology/oeo/OEO_00390105)                                     | delayed transition scenario                   | A delayed transition scenario is an explorative scenario whose intermediate transition indicators are not achieved.                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00280002](https://openenergyplatform.org/ontology/oeo/OEO_00280002)                                     | delimiter separated file format               | A delimiter separated file format is a text file format that uses delimiter-separated values (also DSV) to store two-dimensional arrays of data by separating the values in each row with specific delimiter characters.                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020174](https://openenergyplatform.org/ontology/oeo/OEO_00020174)                                     | delivery cost                                 | A delivery cost is a cost for a product or service that refers to the total unit cost of a product or commodity delivered to a certain market, city or customer. It is normally composed of all associated transport costs and the unit cost of production for that product.                                                                                                                                                                                                                                                                                   |
| [OEO:00140125](https://openenergyplatform.org/ontology/oeo/OEO_00140125)                                     | delivery interval                             | A delivery interval is the duration between repeated deliveries of services or commodities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140117](https://openenergyplatform.org/ontology/oeo/OEO_00140117)                                     | delivery time                                 | Delivery time is a one-dimensional temporal region expressing the amount of time that it takes for goods that have been bought to arrive at the place where they are wanted.                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00140118](https://openenergyplatform.org/ontology/oeo/OEO_00140118)                                     | delivery time point                           | A delivery time point is a zero-dimensional temporal region expressing the point in time when goods that have been bought arrive at the place where they are wanted.                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00140040](https://openenergyplatform.org/ontology/oeo/OEO_00140040)                                     | demand                                        | A demand is a realizable entity that is characterised by a person, organisation or object needing it for a specific purpose.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00140140](https://openenergyplatform.org/ontology/oeo/OEO_00140140)                                     | demand trader                                 | A demand trader is a trader that deals specifically with energy demand.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000182](https://openenergyplatform.org/ontology/oeo/UO_0000182)                                       | density unit                                  | "A unit which is a standard measure of the influence exerted by some mass." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00310036](https://openenergyplatform.org/ontology/oeo/OEO_00310036)                                     | desorption                                    | Desorption is a process that leads to a detaching of a substance that was accumulated within a phase or at an interface between two phases (for example by adsorption).                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00390042](https://openenergyplatform.org/ontology/oeo/OEO_00390042)                                     | determine annual energy yield                 | Determine annual energy yield is an action specification that describes how a turbine's power curve is combined with the wind speed distribution to calculate the expected annual energy production.                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00390066](https://openenergyplatform.org/ontology/oeo/OEO_00390066)                                     | determine capacity density                    | Determine capacity density is an action specification that describes the calculation of the installed capacity per unit area (MW per km²) by assessing the number and power rating of turbines within the available space.                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00390043](https://openenergyplatform.org/ontology/oeo/OEO_00390043)                                     | determine capacity factor                     | Determine capacity factor is an action specification that describes the calculation of the capacity factor (CF), which represents the ratio of actual energy output to the maximum possible output over a given time period.                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00390050](https://openenergyplatform.org/ontology/oeo/OEO_00390050)                                     | determine capital expenditures                | Determine capital expenditures is an action specification that describes the calculation of capital expenditures (CAPEX) required for the installation of wind turbines and associated infrastructure.                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00390031](https://openenergyplatform.org/ontology/oeo/OEO_00390031)                                     | determine development area                    | Determine development area is an action specification that describes the identification of potential areas where wind farm development is feasible, by iteratively excluding non-available areas based on the processed data and exclusion criteria.                                                                                                                                                                                                                                                                                                           |
| [OEO:00390052](https://openenergyplatform.org/ontology/oeo/OEO_00390052)                                     | determine discount and interest rate          | Determine discount and interest rate is an action specification that describes the selection of financial discount and interest rates, which are used in the economic analysis to account for the time value of money.                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00390032](https://openenergyplatform.org/ontology/oeo/OEO_00390032)                                     | determine geographical potential              | Determine geographical potential is an action specification that describes the calculation of the total geographical area available for wind farm development after applying exclusion criteria and considering spatial constraints.                                                                                                                                                                                                                                                                                                                           |
| [OEO:00390051](https://openenergyplatform.org/ontology/oeo/OEO_00390051)                                     | determine operational expenditures            | Determine operational expenditures is an action specification that describes the estimation of ongoing operational expenditures (OPEX) for wind turbines, including routine maintenance and operational management. These include operating and maintenance costs.                                                                                                                                                                                                                                                                                             |
| [OEO:00390049](https://openenergyplatform.org/ontology/oeo/OEO_00390049)                                     | determine wind turbine lifetime               | Determine wind turbine lifetime is an action specification that describes the process of estimating the operational lifespan of a wind turbine, based on design and site-specific conditions.                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00390061](https://openenergyplatform.org/ontology/oeo/OEO_00390061)                                     | determined feasible potential                 | Determined feasible potential is an object specification that defines the goal of a methodology as a state of understanding the feasible potential of something.                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00390055](https://openenergyplatform.org/ontology/oeo/OEO_00390055)                                     | determined techno-economic potential          | Determined techno-economic potential is an object specification that defines the goal of a methodology as a state of understanding the techno-economic potential of the available region.                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00390004](https://openenergyplatform.org/ontology/oeo/OEO_00390004)                                     | determined wind characteristics               | Determined wind characteristics is an object specification that defines the goal of a methodology as a state of understanding the specific wind characteristics of a predefined region.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns.                                                                                                                                                                                                                                                             |
| [OEO:00390033](https://openenergyplatform.org/ontology/oeo/OEO_00390033)                                     | determined wind farm area                     | Determined wind farm area is an object specification that defines the goal of a methodology as a state of understanding the available area for wind farm development.                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00390045](https://openenergyplatform.org/ontology/oeo/OEO_00390045)                                     | determined wind potential                     | Determined wind potential is an object specification that defines the goal of a methodology as a state of understanding the technical wind potential of the available area.                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140169](https://openenergyplatform.org/ontology/oeo/OEO_00140169)                                     | deterministic                                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140060](https://openenergyplatform.org/ontology/oeo/OEO_00140060)                                     | developable flow potential                    | A developable flow potential is a type of flow potential that describes the fraction of the economic potential that can be developed under realistic conditions (regulations, environmental and social restrictions).                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00140066](https://openenergyplatform.org/ontology/oeo/OEO_00140066)                                     | developable stock potential                   | A developable stock potential is a type of stock potential that describes the fraction of the economic potential that can be developed under realistic conditions (regulations, environmental and social restrictions).                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000130](https://openenergyplatform.org/ontology/oeo/OEO_00000130)                                     | dict                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00320043](https://openenergyplatform.org/ontology/oeo/OEO_00320043)                                     | diesel car                                    | A diesel car is a car that has only a diesel engine as motor for propulsion and thus is also a diesel vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010244](https://openenergyplatform.org/ontology/oeo/OEO_00010244)                                     | diesel engine                                 | A diesel engine is an internal combustion engine that uses a diesel fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010242](https://openenergyplatform.org/ontology/oeo/OEO_00010242)                                     | diesel fuel                                   | A diesel fuel is a combustion fuel that has a diesel fuel role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010240](https://openenergyplatform.org/ontology/oeo/OEO_00010240)                                     | diesel fuel role                              | A diesel fuel role is a fuel role that expresses that a portion of matter can be used in a diesel engine.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00320044](https://openenergyplatform.org/ontology/oeo/OEO_00320044)                                     | diesel truck                                  | A diesel truck is a truck that has only a diesel engine as motor for propulsion and thus is also a diesel vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010246](https://openenergyplatform.org/ontology/oeo/OEO_00010246)                                     | diesel vehicle                                | A diesel vehicle is an internal combustion vehicle that has only a diesel engine as motor for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010393](https://openenergyplatform.org/ontology/oeo/OEO_00010393)                                     | diffuse solar radiation                       | Diffuse solar radiation is radiation that is the part of solar radiation that has been scattered by gas molecules in the atmosphere and by particles such as cloud droplets and aerosols.                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000186](https://openenergyplatform.org/ontology/oeo/UO_0000186)                                       | dimensionless unit                            | "A unit which is a standard measure of physical quantity consisting of only a numerical number without any units." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010139](https://openenergyplatform.org/ontology/oeo/OEO_00010139)                                     | direct air capture                            | Direct air capture (DAC) is carbon dioxide capture from air.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00280018](https://openenergyplatform.org/ontology/oeo/OEO_00280018)                                     | direct drive wind energy converting unit      | A direct drive wind energy converting unit is a wind energy converting unit whose rotor is directly connected to the generator.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010298](https://openenergyplatform.org/ontology/oeo/OEO_00010298)                                     | direct equivalent method                      | A direct equivalent method is a primary energy consumption calculation method that quantifies renewable and nuclear energies using its secondary energy content assuming no conversion losses.                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00140143](https://openenergyplatform.org/ontology/oeo/OEO_00140143)                                     | direct marketer                               | A direct marketer is a trader who is the relay between the energy exchange and power plant operators.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010392](https://openenergyplatform.org/ontology/oeo/OEO_00010392)                                     | direct solar radiation                        | Direct solar radiation is radiation that is the non-scattered part of solar radiation from the sun within the extent of the solar disk only.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [IAO:0000033](https://openenergyplatform.org/ontology/oeo/IAO_0000033)                                      | directive information entity                  | An information content entity whose concretizations indicate to their bearer how to realize them in a process.                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00240021](https://openenergyplatform.org/ontology/oeo/OEO_00240021)                                     | discount rate                                 | A discount rate is an economic value with the unit percent that refers to the interest rate used in discounted cash flow (DCF) analysis to determine the present value of future cash flows.                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00140136](https://openenergyplatform.org/ontology/oeo/OEO_00140136)                                     | dispatch assignment                           | Dispatch assignment is a plan specification that refers to resource planning at a power plant (usually by the plant’s operator).                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [BFO:0000016](https://openenergyplatform.org/ontology/oeo/BFO_0000016)                                      | disposition                                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010136](https://openenergyplatform.org/ontology/oeo/OEO_00010136)                                     | distribution                                  | Distribution is the process of delivering goods and services to agents. ETst                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00110020](https://openenergyplatform.org/ontology/oeo/OEO_00110020)                                     | distribution grid                             | A distribution grid is an electricity grid that distributes electrical energy from the transmission grid or distributed sources to end users or storages.                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000132](https://openenergyplatform.org/ontology/oeo/OEO_00000132)                                     | district heating                              | District heating is a grid-bound heating transfer to residential or commercial buildings.                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [IAO:0000310](https://openenergyplatform.org/ontology/oeo/IAO_0000310)                                      | document                                      | A collection of information content entities intended to be understood together as a whole                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [IAO:0000314](https://openenergyplatform.org/ontology/oeo/IAO_0000314)                                      | document part                                 | An information content entity that is part of a document.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000133](https://openenergyplatform.org/ontology/oeo/OEO_00000133)                                     | DOI                                           | A DOI (digital object identifier) is a persistent identifier or handle used to uniquely identify objects, standardized by the International Organization for Standardization (ISO).<br>source: https://en.wikipedia.org/wiki/Digital_object_identifier                                                                                                                                                                                                                                                                                                         |
| [OEO:00010414](https://openenergyplatform.org/ontology/oeo/OEO_00010414)                                     | downhole heat exchanger                       | A downhole heat exchanger is a heat exchanger that transfers ambient thermal energy or geothermal energy to a working fluid. It consists of plastic pipes installed vertically or inclined in a borehole.                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020124](https://openenergyplatform.org/ontology/oeo/OEO_00020124)                                     | due                                           | A due is a quantity value that represents a payment that an agent makes to belong to an organisation.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |

## E

| ID                                                                                                                 | LABEL                                         | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|:-------------------------------------------------------------------------------------------------------------------|:----------------------------------------------|: |
| [OEO:00010283](https://openenergyplatform.org/ontology/oeo/OEO_00010283)                                                                                                       | e-bike                                        | An e-bike is a bicycle that is propelled by a person and an electric traction motor.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010447](https://openenergyplatform.org/ontology/oeo/OEO_00010447)                                                                                                       | E10                                           | E10 is a gasoline fuel that consists of (fossil) gasoline and up to 10 % ethanol and that is liquid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020029](https://openenergyplatform.org/ontology/oeo/OEO_00020029)                                                                                                       | econometric                                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00140059](https://openenergyplatform.org/ontology/oeo/OEO_00140059)                                                                                                       | economic flow potential                       | An economic flow potential is a type of flow potential that identifies the proportion of the technological potential that can be utilised economically (based on economic boundary conditions).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010456](https://openenergyplatform.org/ontology/oeo/OEO_00010456)                                                                                                       | economic instrument                           | An economic instrument is a policy instrument that creates monetary (price) incentives to stimulate transformative measures.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010492](https://openenergyplatform.org/ontology/oeo/OEO_00010492)                                                                                                       | economic instrument function                  | An economic instrument function is a function of a policy instrument that promotes, amongst others, economic measures.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00320074](https://openenergyplatform.org/ontology/oeo/OEO_00320074)                                                                                                       | economic life time                            | An economic life time is the operational life time during which an artificial object is profitable to the owner.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00030008](https://openenergyplatform.org/ontology/oeo/OEO_00030008)                                                                                                       | economic scenario                             | An economic scenario is a scenario that describes a possible future state of economic systems.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00140065](https://openenergyplatform.org/ontology/oeo/OEO_00140065)                                                                                                       | economic stock potential                      | An economic stock potential is a type of stock potential that identifies the proportion of the technological potential that can be utilised economically (based on economic boundary conditions).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010115](https://openenergyplatform.org/ontology/oeo/OEO_00010115)                                                                                                       | economy                                       | An economy is a system of production, distribution, trade and consumption of goods and services.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010460](https://openenergyplatform.org/ontology/oeo/OEO_00010460)                                                                                                       | education instrument                          | An education instrument is a policy instrument that aims at teaching the necessary understanding and skills to specific groups of people so that these are enabled to perform specific transformative measures.                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010493](https://openenergyplatform.org/ontology/oeo/OEO_00010493)                                                                                                       | education instrument function                 | An education instrument function is a function of a policy instrument that promotes, amongst others, education measures.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000660                                                                   | Effect                                        | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| https://www.commoncoreontologies.org/ont00000855                                                                   | Effect of Location Change                     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00140050](https://openenergyplatform.org/ontology/oeo/OEO_00140050)                                                                                                       | efficiency value                              | An efficiency value is a quantity value stating the ratio between a process's inputs and the outputs that are used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010123](https://openenergyplatform.org/ontology/oeo/OEO_00010123)                                                                                                       | effort sharing                                | Effort sharing is a regulatory instrument that sets a common emission reduction goal for a number of countries. Each country has a national reduction goal. Under- or overachievement of that goal can be compensated by various flexibilities given in the regulation.                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010124](https://openenergyplatform.org/ontology/oeo/OEO_00010124)                                                                                                       | Effort Sharing Decision                       | The Effort Sharing Decision (ESD) is the European effort sharing for the years 2013-2020. It covers the European Union, Norway, Iceland and Liechtenstein and the following greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons and sulphur hexafluoride. Emission quantities under the ESD are calculated using global warming potentials from the Fourth IPCC Assessment Report.                                                                                                                                                                                                                                                    |
| [OEO:00010125](https://openenergyplatform.org/ontology/oeo/OEO_00010125)                                                                                                       | Effort Sharing Regulation                     | The Effort Sharing Regulation (ESR) is the European effort sharing for the years 2021-2030. It covers the European Union, Norway, Iceland and Liechtenstein and the following greenhouse gases: carbon dioxide, methane, nitrous oxide, hydrofluorocarbons, perfluorocarbons, sulphur hexafluoride and nitrogen trifluoride. Emission quantities under the ESR are calculated using global warming potentials from the Fifth IPCC Assessment Report.                                                                                                                                                                                                                             |
| [UO:0000219](https://openenergyplatform.org/ontology/oeo/UO_0000219)                                                                                                         | electric charge                               | "A unit which is a standard measure of the quantity of unbalanced electricity in a body (either positive or negative) and construed as an excess or deficiency of electrons." [WordNet:WordNet]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010483](https://openenergyplatform.org/ontology/oeo/OEO_00010483)                                                                                                       | electric compressor station                   | An electric compressor station is a compressor station that has en elecrtric motor for driving the compressor.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [UO:0000004](https://openenergyplatform.org/ontology/oeo/UO_0000004)                                                                                                         | electric current unit                         | "A unit which is a standard measure of the flow of electric charge." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000009](https://openenergyplatform.org/ontology/oeo/OEO_00000009)                                                                                                       | electric heat pump                            | An electric heat pump is a heat pump that uses electrical energy as drive energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010450](https://openenergyplatform.org/ontology/oeo/OEO_00010450)                                                                                                       | electric mobility technology                  | An electric mobility is a technology that describes how electric vehicles participate in transport.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010027](https://openenergyplatform.org/ontology/oeo/OEO_00010027)                                                                                                       | electric motor                                | An electric motor is a motor that converts electrical energy into kinetic energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000217](https://openenergyplatform.org/ontology/oeo/UO_0000217)                                                                                                         | electric potential difference unit            | "A unit which is a standard measure of the work done per unit charge as a charge is moved between two points in an electric field." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010028](https://openenergyplatform.org/ontology/oeo/OEO_00010028)                                                                                                       | electric traction motor                       | An electric traction motor is an electric motor used for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000146](https://openenergyplatform.org/ontology/oeo/OEO_00000146)                                                                                                       | electric vehicle                              | An electric vehicle (abbreviated as EV) is a vehicle that uses one or more electric traction motors.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:0000262](https://openenergyplatform.org/ontology/oeo/UO_0000262)                                                                                                         | electrical conduction unit                    | "A unit which represents a standard measurement of the movement of electrically charged particles through a transmission medium (electrical conductor)." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000139](https://openenergyplatform.org/ontology/oeo/OEO_00000139)                                                                                                       | electrical energy                             | Electrical energy is a form of energy derived from the potential or kinetic energy of charged particles.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020204](https://openenergyplatform.org/ontology/oeo/OEO_00020204)                                                                                                       | electrical energy amount value                | An electrical energy amount value is an energy amount value that measures a quantity of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020254](https://openenergyplatform.org/ontology/oeo/OEO_00020254)                                                                                                       | electrical energy share                       | Electrical energy share is a process attribute that indicates the fraction of electrical energy related to the total energy of an energy generation or consumption process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020256](https://openenergyplatform.org/ontology/oeo/OEO_00020256)                                                                                                       | electrical energy share value                 | An electrical energy share value is a fraction value that quantifies the share of electrical energy (degree of electrification).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010322](https://openenergyplatform.org/ontology/oeo/OEO_00010322)                                                                                                       | electrical energy storage function            | An electrical energy storage function is an energy storage function with electrical energy as input and output.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020362](https://openenergyplatform.org/ontology/oeo/OEO_00020362)                                                                                                       | electrical energy storage object              | An electrical energy storage object is an energy storage object that has the function to store electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020367](https://openenergyplatform.org/ontology/oeo/OEO_00020367)                                                                                                       | electrical energy storage technology          | An electrical energy storage technology is an energy storage technology that describes how to combine electrical energy storage objects and electrical energy in charging and decharging processes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00320036](https://openenergyplatform.org/ontology/oeo/OEO_00320036)                                                                                                       | electrical energy transfer                    | Electrical energy transfer is an energy transfer of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00310015](https://openenergyplatform.org/ontology/oeo/OEO_00310015)                                                                                                       | electrical heater                             | An electrical heater is a heater that increases the thermal energy using electric energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01041 | electricity conduction                        | Electricity conduction is an energy transfer in which electrical energy is transmitted within a material entity or object aggregat, e.g. a cable.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00330002](https://openenergyplatform.org/ontology/oeo/OEO_00330002)                                                                                                       | electricity cost                              | An electricity cost is a variable cost that depends on electricity price and amount.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00320062](https://openenergyplatform.org/ontology/oeo/OEO_00320062)                                                                                                       | electricity demand                            | Electricity demand is the energy demand for electricity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020208](https://openenergyplatform.org/ontology/oeo/OEO_00020208)                                                                                                       | electricity export                            | Electricity export is the export of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020206](https://openenergyplatform.org/ontology/oeo/OEO_00020206)                                                                                                       | electricity export value                      | An electricity export value is an electrical energy amount value that measures the export of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00240014](https://openenergyplatform.org/ontology/oeo/OEO_00240014)                                                                                                       | electricity gain process                      | An electricity gain process is an energy transformation that has electrical energy as physical output.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010386](https://openenergyplatform.org/ontology/oeo/OEO_00010386)                                                                                                       | electricity generation function               | An electricity generation function is an energy transformation function to transform other types of energy to electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000143](https://openenergyplatform.org/ontology/oeo/OEO_00000143)                                                                                                       | electricity grid                              | An electricity grid is a supply grid that transfers electrical energy / electricity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000144](https://openenergyplatform.org/ontology/oeo/OEO_00000144)                                                                                                       | electricity grid component                    | An electricity grid component is a grid component that is part of an electricity grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00410060](https://openenergyplatform.org/ontology/oeo/OEO_00410060)                                                                                                       | electricity grid voltage level                | An electricity grid voltage level is a quantity value reflecting the normative voltage value that an electricity grid is operating on.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020207](https://openenergyplatform.org/ontology/oeo/OEO_00020207)                                                                                                       | electricity import                            | Electricity import is the import of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020205](https://openenergyplatform.org/ontology/oeo/OEO_00020205)                                                                                                       | electricity import value                      | An electricity import value is an electrical energy amount value that measures the import of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020117](https://openenergyplatform.org/ontology/oeo/OEO_00020117)                                                                                                       | electricity price                             | Electricity price is the monetary price per energy unit of electricity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00020459](https://openenergyplatform.org/ontology/oeo/OEO_00020459)                                                                                                       | electricity pylon                             | An electricity pylon is a power line support structure that is designed to carry one or more overhead power lines, typically constructed as lattice or tubular tower made of steel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000145](https://openenergyplatform.org/ontology/oeo/OEO_00000145)                                                                                                       | electricity sector                            | An electricity sector is a transformation sector that covers electricity generation and transport of electrical energy to consumers of electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000423](https://openenergyplatform.org/ontology/oeo/OEO_00000423)                                                                                                       | electricity transshipment model               | An electricity transshipment model is a model that applies the transshipment problem to the electricity grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140037](https://openenergyplatform.org/ontology/oeo/OEO_00140037)                                                                                                       | electrochemical reaction                      | An electrochemical reaction is a chemical reaction that describes the overall reactions of individual redox reactions being separated but connected by an external electric circuit and an intervening electrolyte.                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010379](https://openenergyplatform.org/ontology/oeo/OEO_00010379)                                                                                                       | electrolytic hydrogen                         | Electrolytic hydrogen is hydrogen that is a physical output of a water electrolysis process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000010](https://openenergyplatform.org/ontology/oeo/OEO_00000010)                                                                                                       | electromotive generator                       | An electro motive generator is a generator that converts kinetic energy into electric energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140171](https://openenergyplatform.org/ontology/oeo/OEO_00140171)                                                                                                       | email address                                 | An email address is an information content entity that identifies an email box to which messages are delivered.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000147](https://openenergyplatform.org/ontology/oeo/OEO_00000147)                                                                                                       | emission                                      | emission is a process releasing by-products from human activity (e.g. production, distribution or consumption) into the environment.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020063](https://openenergyplatform.org/ontology/oeo/OEO_00020063)                                                                                                       | emission certificate                          | An emission certificate is a licence that permits its holder/owner a specific emission value. An emission certificate can be traded at a CO2 market exchange.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00020154](https://openenergyplatform.org/ontology/oeo/OEO_00020154)                                                                                                       | emission certificate price                    | Emission certificate price is a monetary price of an emission certificate that allows the emission of a certain emission value.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010213](https://openenergyplatform.org/ontology/oeo/OEO_00010213)                                                                                                       | emission constraint                           | An emission constraint is a constraint that determines the emissions a model calculation describes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000148](https://openenergyplatform.org/ontology/oeo/OEO_00000148)                                                                                                       | emission factor                               | An emission factor is a process attribute that describes the correlation of emissions and the activity causing that emission.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00340063](https://openenergyplatform.org/ontology/oeo/OEO_00340063)                                                                                                       | emission factor value                         | An emission factor value is a fraction value that quantifies an emission factor as quotient of the emissions or removals of a gas per unit activity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020075](https://openenergyplatform.org/ontology/oeo/OEO_00020075)                                                                                                       | emission market exchange                      | An emission market exchange is a market exchange where emission certificates are traded                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010268](https://openenergyplatform.org/ontology/oeo/OEO_00010268)                                                                                                       | emission price                                | An emission price is a monetary price of emitting a certain emission value.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00140081](https://openenergyplatform.org/ontology/oeo/OEO_00140081)                                                                                                       | emission rate                                 | An emission rate is a process attribute that describes the output of an emission process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00030009](https://openenergyplatform.org/ontology/oeo/OEO_00030009)                                                                                                       | emission scenario                             | An emission scenario is a scenario that describes a possible emission trajectory.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010079](https://openenergyplatform.org/ontology/oeo/OEO_00010079)                                                                                                       | emission value                                | An emission value is a quantity value that quantifies an emission rate and has a mass unit.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000149](https://openenergyplatform.org/ontology/oeo/OEO_00000149)                                                                                                       | empirical data set                            | An empirical data set is a dataset that is obtained from observations in the real world.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00140047](https://openenergyplatform.org/ontology/oeo/OEO_00140047)                                                                                                       | end alignment                                 | An end alignment is a time stamp alignment indicating that the time stamp marks the end of the time step.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| https://www.commoncoreontologies.org/ont00000106                                                                   | End of Life Stasis                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00030032](https://openenergyplatform.org/ontology/oeo/OEO_00030032)                                                                                                       | ending time                                   | An ending time is a zero-dimensional temporal region that indicates the end of a one-dimensional temporal region.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00030030](https://openenergyplatform.org/ontology/oeo/OEO_00030030)                                                                                                       | endogenous data                               | Endogenous data is a data item whose quantity value is determined by a model.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01004 | energetic conversion process                  | Energetic conversion process is a process that has energy transfers or energy transformations (or both) as part.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000150](https://openenergyplatform.org/ontology/oeo/OEO_00000150)                                                                                                       | energy                                        | Energy is a quality of material entities which manifests as a capacity to perform work (such as causing motion or the interaction of molecules)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00030017](https://openenergyplatform.org/ontology/oeo/OEO_00030017)                                                                                                       | energy autoproducer                           | An energy autoproducer is an organisational energy producer who produces electrical energy and/or heat wholly or partly for their own use as an activity which supports their primary activity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010406](https://openenergyplatform.org/ontology/oeo/OEO_00010406)                                                                                                       | energy balance calculation method             | An energy balance calculation method is a methodology to calculate an energy balance.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010405](https://openenergyplatform.org/ontology/oeo/OEO_00010405)                                                                                                       | energy balance collection                     | An energy balance collection is a data set of energy balances for various time steps and/or temporal regions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010404](https://openenergyplatform.org/ontology/oeo/OEO_00010404)                                                                                                       | energy balance data set                       | An energy balance data set is an empirical data set that describes a specified set of energy transformations and a specified set of energy carriers in a spatial region for a specific time step (usually a year).                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010407](https://openenergyplatform.org/ontology/oeo/OEO_00010407)                                                                                                       | energy balance sector division                | An energy balance sector division is a sector division that is defined by an energy balance calculation method.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00360008](https://openenergyplatform.org/ontology/oeo/OEO_00360008)                                                                                                       | energy balancing                              | Energy balancing is a process that levels out energy supply and demand for system stability.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020039](https://openenergyplatform.org/ontology/oeo/OEO_00020039)                                                                                                       | energy carrier                                | An energy carrier is a material entity that has an energy carrier disposition.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000151](https://openenergyplatform.org/ontology/oeo/OEO_00000151)                                                                                                       | energy carrier disposition                    | An energy carrier disposition is a disposition of an material entity that contains energy for conversion as usable energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00240019](https://openenergyplatform.org/ontology/oeo/OEO_00240019)                                                                                                       | energy consumption value                      | An energy consumption value is an energy amount value that measures the energy consumption over a time span.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00140049](https://openenergyplatform.org/ontology/oeo/OEO_00140049)                                                                                                       | energy conversion efficiency                  | Energy conversion efficiency is a process attribute describing the ratio between the input of an energy transformation and the outputs that are used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140052](https://openenergyplatform.org/ontology/oeo/OEO_00140052)                                                                                                       | energy conversion performance                 | Energy conversion performance is a process attribute describing the ratio between the non-heat input of an energy transformation and the outputs that are used.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000011](https://openenergyplatform.org/ontology/oeo/OEO_00000011)                                                                                                       | energy converting component                   | An energy converting component is an artificial object that is usually a discrete part of an energy transformation unit with the function of transforming, transferring or changing a certain type of energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01013 | energy decrease                               | Energy decrease is a quality decrease which negatively regulates an energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00140146](https://openenergyplatform.org/ontology/oeo/OEO_00140146)                                                                                                       | energy demand                                 | Energy demand is a demand for energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000128](https://openenergyplatform.org/ontology/oeo/OEO_00000128)                                                                                                       | energy demand sector                          | An energy demand sector is a sector that covers energy consumers.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00410057](https://openenergyplatform.org/ontology/oeo/OEO_00410057)                                                                                                       | energy distribution function                  | An energy distribution function is a function of a supply grid to primarily distribute energy from substations to energy sinks.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01014 | energy increase                               | Energy increase is a quality increase which positively regulates an energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020065](https://openenergyplatform.org/ontology/oeo/OEO_00020065)                                                                                                       | energy market exchange                        | An energy market exchange is a market exchange in which energy commodities are traded.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000264](https://openenergyplatform.org/ontology/oeo/OEO_00000264)                                                                                                       | energy market model                           | An energy market model is a model that is about the energy market.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00030010](https://openenergyplatform.org/ontology/oeo/OEO_00030010)                                                                                                       | energy scenario                               | An energy scenario is a scenario that describes a possible future state of an energy system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00240024](https://openenergyplatform.org/ontology/oeo/OEO_00240024)                                                                                                       | energy service demand                         | An energy service demand is a demand of an agent to use energy as a means to obtain or facilitate desired end services or states.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010265](https://openenergyplatform.org/ontology/oeo/OEO_00010265)                                                                                                       | energy service demand for passenger-kilometre | Energy service demand for passenger-kilometre is the energy service demand that is consumed to transport one person over a distance of one kilometre.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010266](https://openenergyplatform.org/ontology/oeo/OEO_00010266)                                                                                                       | energy service demand for ton-kilometre       | Energy service demand for ton-kilometre is the energy service demand that is consumed to transport one metric ton over a distance of one kilometre.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00230000](https://openenergyplatform.org/ontology/oeo/OEO_00230000)                                                                                                       | energy storage capacity                       | An energy storage capacity is the quantity value stating the maximum energy an energy storage object can store.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00330012](https://openenergyplatform.org/ontology/oeo/OEO_00330012)                                                                                                       | energy storage content                        | An energy storage content is an energy amount value that measures the quantity of energy stored in an energy storage object.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000012](https://openenergyplatform.org/ontology/oeo/OEO_00000012)                                                                                                       | energy storage function                       | An energy storage function is the function of an artificial object that has been engineered to contain energy for later usage whereby input energy and usable output energy are of the same type.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00330013](https://openenergyplatform.org/ontology/oeo/OEO_00330013)                                                                                                       | energy storage level                          | An energy storage level is a utilisation value that measures the utilisation/usage/exploitation of energy storage capacity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000159](https://openenergyplatform.org/ontology/oeo/OEO_00000159)                                                                                                       | energy storage object                         | An energy storage object is an artificial object that has the function energy storage.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020366](https://openenergyplatform.org/ontology/oeo/OEO_00020366)                                                                                                       | energy storage technology                     | An energy storage technology is an energy technology that describes how to combine energy storage objects and energy carriers in charging and decharging processes for the purpose of temporarily storing energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000399](https://openenergyplatform.org/ontology/oeo/OEO_00000399)                                                                                                       | energy storage unit                           | An energy storage unit is a grid component that stores energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00030024](https://openenergyplatform.org/ontology/oeo/OEO_00030024)                                                                                                       | energy system                                 | An energy system is a supply system of spatially extended linked energy sources and sinks.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00030015](https://openenergyplatform.org/ontology/oeo/OEO_00030015)                                                                                                       | energy system model                           | An energy system model is a model of an energy system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020267](https://openenergyplatform.org/ontology/oeo/OEO_00020267)                                                                                                       | energy technology                             | An energy technology is a technology that describes how to combine energy transformation units, energy transformations, energy carriers and energy in a specific way.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01002 | energy transfer                               | Energy transfer is a quality process in which a kind of energy is decreased in one bearer and the same kind of energy is increased in another bearer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020103](https://openenergyplatform.org/ontology/oeo/OEO_00020103)                                                                                                       | energy transfer                               | Energy transfer is an energy transformation in form of a spatial transmission, that does not change the types of energies, apart from losses, e.g. waste heat.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010410](https://openenergyplatform.org/ontology/oeo/OEO_00010410)                                                                                                       | energy transfer function                      | An energy transfer function is a function of a grid component link that has been engineered to transfer energy over a spatial distance.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01003 | energy transformation                         | Energy transformation is a process in which one type of energy is decreased, and simultaneously within the same bearer one or more other types of energy are increased.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00020003](https://openenergyplatform.org/ontology/oeo/OEO_00020003)                                                                                                       | energy transformation                         | Energy transformation is a transformation in which one or more certain types of energy as input result in certain types of energy as output.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010385](https://openenergyplatform.org/ontology/oeo/OEO_00010385)                                                                                                       | energy transformation function                | An energy transformation function is the function of an artificial object that has been engineered to transform input energy into usable output energy of a different type.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000158](https://openenergyplatform.org/ontology/oeo/OEO_00000158)                                                                                                       | energy transformation sector                  | An energy transformation sector is a sector that covers energy production, energy transformation from primary to secondary energy and transport of energy to the demand sector.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020102](https://openenergyplatform.org/ontology/oeo/OEO_00020102)                                                                                                       | energy transformation unit                    | An energy transformation unit is an artificial object that transforms, changes or transfers a certain type of energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00410056](https://openenergyplatform.org/ontology/oeo/OEO_00410056)                                                                                                       | energy transmission function                  | An energy transmission function is a function of a supply grid to primarily distribute energy from energy sources to substations.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000111](https://openenergyplatform.org/ontology/oeo/UO_0000111)                                                                                                         | energy unit                                   | "A unit which is a standard measure of the work done by a certain force (gravitational, electric, magnetic, force of inertia, etc)." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010210](https://openenergyplatform.org/ontology/oeo/OEO_00010210)                                                                                                       | energy use                                    | Energy use is the consumption of an energy carrier making use of the energy it carries.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00050019](https://openenergyplatform.org/ontology/oeo/OEO_00050019)                                                                                                       | energy value                                  | An energy value is a quantity value that has an energy unit as unit.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| https://www.commoncoreontologies.org/ont00000555                                                                   | Enhanced Stasis                               | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [BFO:0000001](https://openenergyplatform.org/ontology/oeo/BFO_0000001)                                                                                                        | entity                                        | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00400015](https://openenergyplatform.org/ontology/oeo/OEO_00400015)                                                                                                       | epistemological uncertainty                   | Epistemological uncertainty is a nature of model uncertainty that stems from a lack of knowledge about a certain phenomenon.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020169](https://openenergyplatform.org/ontology/oeo/OEO_00020169)                                                                                                       | equipment cost                                | Equipment cost is an investment cost for acquisition of the components and machinery including environmental facilities.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020001](https://openenergyplatform.org/ontology/oeo/OEO_00020001)                                                                                                       | ethanol                                       | Ethanol is a portion of matter with the chemical formula C2H6O. It has a liquid normal state of matter and can be used as a combustion fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020064](https://openenergyplatform.org/ontology/oeo/OEO_00020064)                                                                                                       | EU allowance                                  | An EU Allowance (EUA) is an emission certificate used in the European Union Emissions Trading System (EU ETS). It permits the emission of a CO2 equivalent quantity of 1 tonne.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010129](https://openenergyplatform.org/ontology/oeo/OEO_00010129)                                                                                                       | EU climate policy                             | The EU climate policy is the policy of the European Union for reducing greenhouse gas emissions. It uses an EU emission sector division.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010130](https://openenergyplatform.org/ontology/oeo/OEO_00010130)                                                                                                       | EU emission sector division                   | An EU emission sector division is an EU legislation sector division used in the EU climate policy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010134](https://openenergyplatform.org/ontology/oeo/OEO_00010134)                                                                                                       | EU emission sector: effort sharing            | The EU emission sector effort sharing is a sector defined by the EU emission sector division that covers greenhouse gas emissions regulated by the Effort Sharing Decision and the Effort Sharing Regulation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010131](https://openenergyplatform.org/ontology/oeo/OEO_00010131)                                                                                                       | EU emission sector: ETS                       | The EU emission sector ETS is a sector defined by an EU emission sector division that covers greenhouse gas emissions that are regulated by the European Union Emissions Trading System.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010133](https://openenergyplatform.org/ontology/oeo/OEO_00010133)                                                                                                       | EU emission sector: ETS aviation              | The EU emission sector ETS aviation is a transport sector defined by an EU emission sector division that covers greenhouse gas emissions regulated by the European Union Emissions Trading System and that are emitted by stationary installations.                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010132](https://openenergyplatform.org/ontology/oeo/OEO_00010132)                                                                                                       | EU emission sector: ETS stationary            | The EU emission sector ETS stationary is a sector defined by an EU emission sector division that covers greenhouse gas emissions regulated by the European Union Emissions Trading System and that are emitted by stationary installations.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010135](https://openenergyplatform.org/ontology/oeo/OEO_00010135)                                                                                                       | EU emission sector: LULUCF                    | The EU emission sector LULUCF is a sector defined by an EU emission sector division that covers greenhouse gas emissions regulated by the European Union Emissions Trading System and that are emitted by agriculture, forestry and land use.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010403](https://openenergyplatform.org/ontology/oeo/OEO_00010403)                                                                                                       | EU legislation sector division                | An EU legislation sector division is a sector division that is used in EU legislation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010122](https://openenergyplatform.org/ontology/oeo/OEO_00010122)                                                                                                       | European Union Emissions Trading System       | The European Union Emissions Trading System (EU ETS) is a policy instrument that implements an emissions trading system covering the European Union, Norway, Iceland and Liechtenstein.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00000160](https://openenergyplatform.org/ontology/oeo/OEO_00000160)                                                                                                       | Eurostat energy balance sector division       | The concept of "energy balance" is an accounting framework for the compilation and understanding of data on all energy products entering, exiting and being used in a country. The energy balance is the most complete statistical accounting of energy products and their flow in the economy. Columns of the energy balance represent energy products (fuels). Rows represent energy flows.<br><br>The energy balance expresses all forms of energy in a common accounting unit. The balance shows the relationships between supply, inputs to the energy transformation processes and their outputs as well as the actual energy consumption by different sectors of end-use. |
| [OEO:00310041](https://openenergyplatform.org/ontology/oeo/OEO_00310041)                                                                                                       | evaporation                                   | Evaporation is a phase transition from a liquid medium to their gaseous state.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00400074](https://openenergyplatform.org/ontology/oeo/OEO_00400074)                                                 | every minute                                  | one value per minute                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00400075](https://openenergyplatform.org/ontology/oeo/OEO_00400075)                                                 | every ten minutes                             | one value per ten minutes                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000289](https://openenergyplatform.org/ontology/oeo/UO_0000289)                                                                                                         | exa                                           | "A prefix in the metric system denoting a factor of ten to the power of 18." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00050007](https://openenergyplatform.org/ontology/oeo/OEO_00050007)                                                                                                       | exajoule                                      | An energy unit which is equal to 10^18 joules.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020114](https://openenergyplatform.org/ontology/oeo/OEO_00020114)                                                                                                       | exchange rate                                 | The exchange rate is an economic value representing the ratio at which one currency can be exchanged for another.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00030029](https://openenergyplatform.org/ontology/oeo/OEO_00030029)                                                                                                       | exogenous data                                | Exogenous data is a data item whose quantity value is determined outside of a model and is imposed on a model.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020248](https://openenergyplatform.org/ontology/oeo/OEO_00020248)                                                                                                       | explorative scenario                          | An explorative scenario is a scenario that contains certain constraints / statements regarding measures that are taken in the near future / today to explore where these measures will lead to in a later future. The later future is not predefined in the scenario.                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020202](https://openenergyplatform.org/ontology/oeo/OEO_00020202)                                                                                                       | export                                        | Export is the process of selling goods or services abroad and their delivery to a foreign market.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00240037](https://openenergyplatform.org/ontology/oeo/OEO_00240037)                                                                                                       | export price                                  | An export price is the monetary price for the export of a material entity.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000161](https://openenergyplatform.org/ontology/oeo/OEO_00000161)                                                                                                       | external optimiser                            | An external optimiser is a software external to a model that computes an optimisation.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00410054](https://openenergyplatform.org/ontology/oeo/OEO_00410054)                                                                                                       | extra high electricity grid voltage level     | A extra high voltage level is a voltage level in the german voltage classification system describing an electric potential difference between 220,000 and 380,000 volts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00410073](https://openenergyplatform.org/ontology/oeo/OEO_00410073)                                                                                                       | extra high rated voltage                      | An extra high rated voltage is a rated voltage usually used for the transmission of electricity. This is the usual voltage for electricity imports and exports. Electricity at this voltage can be converted to a high rated voltage. The usual producers feeding electricity into the grid at this voltage are coal and nuclear power plants, as well as offshore wind farms and hydro power plants.                                                                                                                                                                                                                                                                            |

## F

| ID           | LABEL                                       | definition                                                                                                                                                                                                                                                                                                                                  |
|:-------------|:--------------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00000162](https://openenergyplatform.org/ontology/oeo/OEO_00000162) | factsheet                                   | A factsheet is a document that collects information about a specific topic in a structured way.                                                                                                                                                                                                                                             |
| [OEO:00000163](https://openenergyplatform.org/ontology/oeo/OEO_00000163) | false                                       | False is a boolean value which is intended to represent the truth value false (denoted by 0, by -, the falsum ⊥, or falsch (F) in German).                                                                                                                                                                                                  |
| [OEO:00410012](https://openenergyplatform.org/ontology/oeo/OEO_00410012) | fauna flora habitat                         | A fauna flora habitat is a protected area that has the Fauna Flora Habitat role, aimed at conserving natural habitats and wild fauna and flora, within the European "Natura 2000" network of protected areas.                                                                                                                               |
| [OEO:00410010](https://openenergyplatform.org/ontology/oeo/OEO_00410010) | fauna flora habitat role                    | A fauna flora habitat role is a protected area role for areas, aimed at conserving natural habitats and wild fauna and flora, within the European "Natura 2000" network of protected areas.                                                                                                                                                 |
| [OEO:00390062](https://openenergyplatform.org/ontology/oeo/OEO_00390062) | feasible potental determination method      | Feasible potental determination method is a methodology with the goal of calculating the wind energy potential that remains after applying additional social, regulatory, or market constraints to the available region.                                                                                                                    |
| [OEO:00390063](https://openenergyplatform.org/ontology/oeo/OEO_00390063) | feasible potental determination process     | Feasible potential determination process al is a process that follows a determination methodology for feasable potential to gain knowledge of the feasible potential of something.                                                                                                                                                          |
| [OEO:00020126](https://openenergyplatform.org/ontology/oeo/OEO_00020126) | fee                                         | A fee is a quantity value that represents an amount of money paid for a  particular piece of work or for a particular right or service.                                                                                                                                                                                                     |
| [OEO:00020108](https://openenergyplatform.org/ontology/oeo/OEO_00020108) | feed-in tariff                              | A feed-in tariff is an economic instrument designed to stimulate investment in renewable energy technologies by offering long-term contracts to agents who are producers of renewable energy.                                                                                                                                               |
| [UO:0000303](https://openenergyplatform.org/ontology/oeo/UO_0000303)   | femto                                       | "A prefix in the metric system denoting a factor of 10 to the power of -15." [UO:GVG]                                                                                                                                                                                                                                                       |
| [BFO:0000024](https://openenergyplatform.org/ontology/oeo/BFO_0000024)  | fiat object part                            | nan                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000165](https://openenergyplatform.org/ontology/oeo/OEO_00000165) | field photovoltaic power plant              | A field photovoltaic power plant (also: solar farm, solar park) is a photovoltaic power plant that is installed out in the open on the ground.                                                                                                                                                                                              |
| [OEO:00320058](https://openenergyplatform.org/ontology/oeo/OEO_00320058) | filling station                             | A filling station is energy transformation unit that transfers fuel into the fuel tank of a vehicle.                                                                                                                                                                                                                                        |
| [OEO:00140080](https://openenergyplatform.org/ontology/oeo/OEO_00140080) | final energy carrier                        | A final energy carrier is an energy carrier that has the disposition final energy carrier disposition.                                                                                                                                                                                                                                      |
| [OEO:00140077](https://openenergyplatform.org/ontology/oeo/OEO_00140077) | final energy carrier disposition            | Final energy carrier disposition is an energy carrier disposition of material entities that are delivered to energy consumers for their use.                                                                                                                                                                                                |
| [OEO:00050016](https://openenergyplatform.org/ontology/oeo/OEO_00050016) | final energy consumption value              | A final energy consumption value is an energy consumption value expressing the magnitude of the energy delivered to and consumed by end users.                                                                                                                                                                                              |
| [OEO:00020196](https://openenergyplatform.org/ontology/oeo/OEO_00020196) | fissile material entity                     | A fissile material entity is a material entity that has the disposition to carry nuclear (binding) energy.                                                                                                                                                                                                                                  |
| [OEO:00020168](https://openenergyplatform.org/ontology/oeo/OEO_00020168) | fixed cost                                  | A fixed cost is a cost for operation and maintenance that does not vary with the amount of goods or services produced.                                                                                                                                                                                                                      |
| [OEO:00310022](https://openenergyplatform.org/ontology/oeo/OEO_00310022) | flat-plate collector                        | A flat-plate collector is a solar thermal collector that consists of flat-plates.                                                                                                                                                                                                                                                           |
| [OEO:00360007](https://openenergyplatform.org/ontology/oeo/OEO_00360007) | flexibility                                 | Flexibility is a disposition of an energy system that is able to balance energy by adjusting energy supply and energy demand.                                                                                                                                                                                                               |
| [OEO:00410023](https://openenergyplatform.org/ontology/oeo/OEO_00410023) | floodplain                                  | A floodplain is a region of relevance that has the floodplain role, i.e. for areas between surface waters and dykes or high banks and other areas that are flooded or flowed through during flooding of a surface water body or that are used for flood relief or retention.                                                                |
| [OEO:00410024](https://openenergyplatform.org/ontology/oeo/OEO_00410024) | floodplain role                             | A floodplain role is a role for areas between surface waters and dykes or high banks and other areas that are flooded or flowed through during flooding of a surface water body or that are used for flood relief or retention.                                                                                                             |
| [OEO:00000169](https://openenergyplatform.org/ontology/oeo/OEO_00000169) | flow battery                                | A flow battery is a battery in which chemical energy is provided by two chemical components dissolved in liquids contained within the system and separated by a membrane.                                                                                                                                                                   |
| [OEO:00140056](https://openenergyplatform.org/ontology/oeo/OEO_00140056) | flow potential                              | A flow potential is a potential of an input or output of a process, per time unit.                                                                                                                                                                                                                                                          |
| [OEO:00140116](https://openenergyplatform.org/ontology/oeo/OEO_00140116) | fluid                                       | A fluid is a material entity which is a liquid, gas or plasma.                                                                                                                                                                                                                                                                              |
| [OEO:00000013](https://openenergyplatform.org/ontology/oeo/OEO_00000013) | fluorinated greenhouse gas                  | A fluorinated greenhouse gas is a greenhouse gas that is produced by fluorination. Hence it contains Fluor (F) atoms and is of anthropogenic origin.                                                                                                                                                                                        |
| [UO:0000107](https://openenergyplatform.org/ontology/oeo/UO_0000107)   | force unit                                  | "A unit which is a standard measure of the force is applied when a mass is accelerated." [NIST:NIST]                                                                                                                                                                                                                                        |
| [OEO:00020105](https://openenergyplatform.org/ontology/oeo/OEO_00020105) | forced outage                               | A forced outage is an outage of an artificial object caused by a failure.                                                                                                                                                                                                                                                                   |
| [OEO:00010411](https://openenergyplatform.org/ontology/oeo/OEO_00010411) | forecast                                    | A forecast is an information content entity that contains statements about the most probable future development predicted with the help of past and present data.                                                                                                                                                                           |
| [OEO:00010233](https://openenergyplatform.org/ontology/oeo/OEO_00010233) | forecast error                              | A forecast error is a quantity value that quantifies the difference between a measured and a forecasted value.                                                                                                                                                                                                                              |
| [OEO:00010470](https://openenergyplatform.org/ontology/oeo/OEO_00010470) | forecasting model calculation               | A forecasting model calculation is a model calculation that produces a forecast.                                                                                                                                                                                                                                                            |
| [OEO:00410025](https://openenergyplatform.org/ontology/oeo/OEO_00410025) | forest                                      | A forest is a region of relevance that has the forest role, i.e. it is planted with forest plants as well as clear-cut or thinned ground areas, forest paths, forest division and safety strips, forest openings and clearings, forest meadows, game grazing areas, wood storage areas and other areas connected to and serving the forest. |
| [OEO:00410026](https://openenergyplatform.org/ontology/oeo/OEO_00410026) | forest role                                 | A forest role is a role for areas planted with forest plants as well as clear-cut or thinned ground areas, forest paths, forest division and safety strips, forest openings and clearings, forest meadows, game grazing areas, wood storage areas and other areas connected to and serving the forest.                                      |
| [OEO:00000170](https://openenergyplatform.org/ontology/oeo/OEO_00000170) | Fortran                                     | Fortran is a programming language designed by John Backus, developed by IBM and standardised by ISO/IEC.                                                                                                                                                                                                                                    |
| [OEO:00030002](https://openenergyplatform.org/ontology/oeo/OEO_00030002) | fossil                                      | Fossil is a geogenic origin of portions of matter created from organic material by geological processes lasting thousands or millions of years.                                                                                                                                                                                             |
| [OEO:00000014](https://openenergyplatform.org/ontology/oeo/OEO_00000014) | fossil combustion fuel                      | A fossil combustion fuel is a combustion fuel with the origin fossil.                                                                                                                                                                                                                                                                       |
| [OEO:00000131](https://openenergyplatform.org/ontology/oeo/OEO_00000131) | fossil diesel fuel                          | Diesel fuel is gas diesel oil used on-road for diesel compression ignition (cars, trucks, etc.), usually of low sulphur content.                                                                                                                                                                                                            |
| [OEO:00020149](https://openenergyplatform.org/ontology/oeo/OEO_00020149) | fossil energy                               | Fossil energy is chemical energy that is stored in fossil combustion fuels and thus has a conventional origin.                                                                                                                                                                                                                              |
| [OEO:00010015](https://openenergyplatform.org/ontology/oeo/OEO_00010015) | fossil hydrogen                             | Fossil hydrogen is hydrogen with fossil origin.                                                                                                                                                                                                                                                                                             |
| [OEO:00010226](https://openenergyplatform.org/ontology/oeo/OEO_00010226) | fossil industrial waste fuel                | A fossil industrial waste fuel is an industrial waste fuel that has a fossil origin.                                                                                                                                                                                                                                                        |
| [OEO:00000299](https://openenergyplatform.org/ontology/oeo/OEO_00000299) | fossil municipal waste fuel                 | A fossil municipal waste fuel is an municipal waste fuel that has a fossil origin.                                                                                                                                                                                                                                                          |
| [OEO:00010382](https://openenergyplatform.org/ontology/oeo/OEO_00010382) | fossil steam reforming hydrogen             | Fossil steam reforming hydrogen is hydrogen that is produced from a fossil combustion fuel in a steam reforming process which is not followed by a carbon capture and storage process.                                                                                                                                                      |
| [OEO:00010224](https://openenergyplatform.org/ontology/oeo/OEO_00010224) | fossil waste fuel                           | A fossil waste fuel is a waste fuel that has a fossil origin.                                                                                                                                                                                                                                                                               |
| [OEO:00140127](https://openenergyplatform.org/ontology/oeo/OEO_00140127) | fraction value                              | A fraction value is a relational quantity value that has a fraction as it's unit.                                                                                                                                                                                                                                                           |
| [OEO:00000172](https://openenergyplatform.org/ontology/oeo/OEO_00000172) | framework factsheet                         | A framework factsheet is a factsheet that contains information about a software framework.                                                                                                                                                                                                                                                  |
| [OEO:00320033](https://openenergyplatform.org/ontology/oeo/OEO_00320033) | freight port                                | A freight port is a port for the exchange of goods.                                                                                                                                                                                                                                                                                         |
| [OEO:00010281](https://openenergyplatform.org/ontology/oeo/OEO_00010281) | freight train                               | A freight train is a train that is used for freight transport.                                                                                                                                                                                                                                                                              |
| [OEO:00320029](https://openenergyplatform.org/ontology/oeo/OEO_00320029) | freight train station                       | A freight train station is a train station for the exchange of goods.                                                                                                                                                                                                                                                                       |
| [OEO:00140005](https://openenergyplatform.org/ontology/oeo/OEO_00140005) | freight transport                           | Freight transport is a transport process which moves goods from one place to another.                                                                                                                                                                                                                                                       |
| [OEO:00160001](https://openenergyplatform.org/ontology/oeo/OEO_00160001) | frequency control                           | Frequency control is a process that regulates the electricity output of an artificial object to maintain the equilibrium between electricity supply and demand.                                                                                                                                                                             |
| [UO:0000105](https://openenergyplatform.org/ontology/oeo/UO_0000105)   | frequency unit                              | "A unit which is a standard measure of the number of repetitive actions in a particular time." [NIST:NIST]                                                                                                                                                                                                                                  |
| [OEO:00000173](https://openenergyplatform.org/ontology/oeo/OEO_00000173) | fuel                                        | A fuel is a portion of matter that has the disposition to be an energy carrier and that has a fuel role.                                                                                                                                                                                                                                    |
| [OEO:00010451](https://openenergyplatform.org/ontology/oeo/OEO_00010451) | fuel blending quota                         | A fuel blending quota is a quality of a blended fuel that indicates the share of liquid renewable fuel or liquid biofuel mixed into fossil fuel.                                                                                                                                                                                            |
| [OEO:00000016](https://openenergyplatform.org/ontology/oeo/OEO_00000016) | fuel cell                                   | A fuel cell is a generator that converts chemical energy into electricity using redox reactions.                                                                                                                                                                                                                                            |
| [OEO:00320047](https://openenergyplatform.org/ontology/oeo/OEO_00320047) | fuel cell electric car                      | A fuel cell electric car is a car that has an electric traction motor and uses electrical energy from a fuel cell and thus is also a fuel cell electric vehicle.                                                                                                                                                                            |
| [OEO:00320052](https://openenergyplatform.org/ontology/oeo/OEO_00320052) | fuel cell electric truck                    | A fuel cell electric truck is a truck that has an electric traction motor and uses electrical energy from a fuel cell and thus is also a fuel cell electric vehicle.                                                                                                                                                                        |
| [OEO:00010025](https://openenergyplatform.org/ontology/oeo/OEO_00010025) | fuel cell electric vehicle                  | A fuel cell electric vehicle (FCEV) is an electric vehicle that uses electrical energy from a fuel cell.                                                                                                                                                                                                                                    |
| [OEO:00020068](https://openenergyplatform.org/ontology/oeo/OEO_00020068) | fuel commodity                              | A fuel commodity is a commodity that is a fuel.                                                                                                                                                                                                                                                                                             |
| [OEO:00020066](https://openenergyplatform.org/ontology/oeo/OEO_00020066) | fuel commodity role                         | Fuel commodity role is the commodity role of fuels.                                                                                                                                                                                                                                                                                         |
| [OEO:00160005](https://openenergyplatform.org/ontology/oeo/OEO_00160005) | fuel cost                                   | A fuel cost is a variable cost that depends on the type and amount of fuel.                                                                                                                                                                                                                                                                 |
| [OEO:00320063](https://openenergyplatform.org/ontology/oeo/OEO_00320063) | fuel demand                                 | Fuel demand is the energy demand for fuel.                                                                                                                                                                                                                                                                                                  |
| [OEO:00020060](https://openenergyplatform.org/ontology/oeo/OEO_00020060) | fuel market exchange                        | A fuel market exchange is an energy market exchange where fuels like oil, coal, renewable fuels, and natural gas are traded.                                                                                                                                                                                                                |
| [OEO:00010440](https://openenergyplatform.org/ontology/oeo/OEO_00010440) | fuel power technology                       | A fuel-powered generation technology is a power technology that describes how to combine fuel-powered units in a fuel-powered electricity generation process.                                                                                                                                                                               |
| [OEO:00010420](https://openenergyplatform.org/ontology/oeo/OEO_00010420) | fuel production                             | Fuel production is a production process which has fuel as physical output.                                                                                                                                                                                                                                                                  |
| [OEO:00010452](https://openenergyplatform.org/ontology/oeo/OEO_00010452) | fuel quota blending value                   | A fuel blending quota value is a fraction value that quantifies a fuel blending quota.|issue: https://github.com/OpenEnergyPlatform/ontology/issues/1413<br>pull request: https://github.com/OpenEnergyPlatform/ontology/pull/1763                                                                                                          |
| [OEO:00000001](https://openenergyplatform.org/ontology/oeo/OEO_00000001) | fuel role                                   | A fuel role is a role of a portion of matter that has the disposition to be an energy carrier and is used in a process that releases the carried energy by transforming the portion of matter into a different kind of portion of matter in a way that releases heat or does work.                                                          |
| [OEO:00320042](https://openenergyplatform.org/ontology/oeo/OEO_00320042) | fuel supply system                          | A fuel supply system is an energy system covering the distribution of fuels.                                                                                                                                                                                                                                                                |
| [OEO:00320056](https://openenergyplatform.org/ontology/oeo/OEO_00320056) | fuel tank                                   | A fuel tank is a tank that stores a combustion fuel.                                                                                                                                                                                                                                                                                        |
| [OEO:00320038](https://openenergyplatform.org/ontology/oeo/OEO_00320038) | fuel transport                              | Fuel transport is the freight transport of fuels.                                                                                                                                                                                                                                                                                           |
| [OEO:00050001](https://openenergyplatform.org/ontology/oeo/OEO_00050001) | fuel-powered electricity generation process | A fuel-powered electricity generation process is an electricity generation process that converts chemical energy from a combustion fuel to electrical energy. It causes some emission.                                                                                                                                                      |
| [OEO:00000174](https://openenergyplatform.org/ontology/oeo/OEO_00000174) | fueled power plant                          | A fueled power plant is a power plant that has fueled power units as parts.                                                                                                                                                                                                                                                                 |
| [OEO:00000175](https://openenergyplatform.org/ontology/oeo/OEO_00000175) | fueled power unit                           | A fueled power unit is a power generating unit that uses fuel.                                                                                                                                                                                                                                                                              |
| [OEO:00140144](https://openenergyplatform.org/ontology/oeo/OEO_00140144) | full load hours                             | Full load hours are a quantity value that describes the utilization of a technical device. The value of the full load hours is obtained by dividing the annual amount of energy generated by the declared net capacity of the plant.                                                                                                        |
| [BFO:0000034](https://openenergyplatform.org/ontology/oeo/BFO_0000034)  | function                                    | nan                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00090001](https://openenergyplatform.org/ontology/oeo/OEO_00090001) | funder                                      | A funder is a sponsor that supports by giving money.                                                                                                                                                                                                                                                                                        |

## G

| ID                                               | LABEL                                        | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|:-------------------------------------------------|:---------------------------------------------|: |
| https://www.commoncoreontologies.org/ont00000554 | Gain of Dependent Continuant                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000609 | Gain of Disposition                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000462 | Gain of Function                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000013 | Gain of Generically Dependent Continuant     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00001068 | Gain of Quality                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000642 | Gain of Realizable Entity                    | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00001194 | Gain of Role                                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000395 | Gain of Specifically Dependent Continuant    | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010488](https://openenergyplatform.org/ontology/oeo/OEO_00010488)                                     | GAMS programming language                    | The GAMS programming language is a programming language developed by GAMS Development Corp. for use in the General Algebraic Modeling System.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000181](https://openenergyplatform.org/ontology/oeo/OEO_00000181)                                     | gas diesel oil                               | Gas/diesel oil is a portion of matter that is primarily a medium distillate distilling between 180 °C and 380 °C. Includes blending components. Several grades are available depending on uses.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00320008](https://openenergyplatform.org/ontology/oeo/OEO_00320008)                                     | gas engine                                   | A gas engine is an internal combustion engine that uses a gaseous combustion fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00000017](https://openenergyplatform.org/ontology/oeo/OEO_00000017)                                     | gas fired power unit                         | A gas fired power unit is a power generating unit using gas as fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020004](https://openenergyplatform.org/ontology/oeo/OEO_00020004)                                     | gas grid                                     | A gas grid is a supply grid that distributes gaseous fuel, e.g. methane.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00020007](https://openenergyplatform.org/ontology/oeo/OEO_00020007)                                     | gas grid component                           | A gas grid component is a grid component that is part of a gas grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010236](https://openenergyplatform.org/ontology/oeo/OEO_00010236)                                     | gas mixture                                  | A gas mixture is a portion of matter that is a composition of different kinds of portions of matter and that has a gaseous normal state of matter.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00000184](https://openenergyplatform.org/ontology/oeo/OEO_00000184)                                     | gas power plant                              | A gas power plant is a power plant that has gas fired power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000185](https://openenergyplatform.org/ontology/oeo/OEO_00000185)                                     | gas turbine                                  | A gas turbine is a turbine that participates in a gas turbine process. It is also called combustion turbine.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010482](https://openenergyplatform.org/ontology/oeo/OEO_00010482)                                     | gas turbine compressor station               | A gas turbine compressor station is a compressor station that has a gas turbine for driving the compressor.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00310027](https://openenergyplatform.org/ontology/oeo/OEO_00310027)                                     | gas turbine process                          | A gas turbine process is an energy transformation that converts chemical energy into rotational energy using a continous internal combustion process. A gas turbine is participating in a gas turbine process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010301](https://openenergyplatform.org/ontology/oeo/OEO_00010301)                                     | gas turbine vehicle                          | A gas turbine vehicle is a vehicle that uses a gas turbine for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00320004](https://openenergyplatform.org/ontology/oeo/OEO_00320004)                                     | gas vehicle                                  | A gas vehicle is an internal combustion vehicle that has only a gas engine as a motor for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000182](https://openenergyplatform.org/ontology/oeo/OEO_00000182)                                     | gaseous                                      | The state of being a gas. A portion of matter is in gaseous state if and only if it has no definite shape and no definite volume and is not electrically conductive.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010153](https://openenergyplatform.org/ontology/oeo/OEO_00010153)                                     | gaseous biofuel                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010146](https://openenergyplatform.org/ontology/oeo/OEO_00010146)                                     | gaseous combustion fuel                      | A gaseous combustion fuel is a combustion fuel that has a gaseous state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010148](https://openenergyplatform.org/ontology/oeo/OEO_00010148)                                     | gaseous fossil fuel                          | A gaseous fossil fuel is a fossil combustion fuel that has a gaseous state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010151](https://openenergyplatform.org/ontology/oeo/OEO_00010151)                                     | gaseous renewable fuel                       | A gaseous renewable fuel is a renewable fuel that has a gaseous state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010155](https://openenergyplatform.org/ontology/oeo/OEO_00010155)                                     | gaseous synthetic fuel                       | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000183](https://openenergyplatform.org/ontology/oeo/OEO_00000183)                                     | gasoline                                     | Gasoline (American English) or petrol (British English) is a portion of matter in the form of a transparent petroleum-derived liquid that is used primarily as a fuel in spark-ignited internal combustion engines. It consists mostly of organic compounds obtained by the fractional distillation of petroleum, enhanced with a variety of additives.|https://en.wikipedia.org/w/index.php?title=Gasoline&oldid=867948640                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00320045](https://openenergyplatform.org/ontology/oeo/OEO_00320045)                                     | gasoline car                                 | A gasoline car is a car that has only a gasoline engine as motor for propulsion and thus is also a gasoline vehicle.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010243](https://openenergyplatform.org/ontology/oeo/OEO_00010243)                                     | gasoline engine                              | A gasoline engine is an internal combustion engine that uses a gasoline fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010241](https://openenergyplatform.org/ontology/oeo/OEO_00010241)                                     | gasoline fuel                                | A gasoline fuel is a combustion fuel that has a gasoline fuel role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010239](https://openenergyplatform.org/ontology/oeo/OEO_00010239)                                     | gasoline fuel role                           | A gasoline fuel role is a fuel role that expresses that a portion of matter can be used in a gasoline engine.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010245](https://openenergyplatform.org/ontology/oeo/OEO_00010245)                                     | gasoline vehicle                             | A gasoline vehicle is an internal combustion vehicle that has only a gasoline engine as motor for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000186](https://openenergyplatform.org/ontology/oeo/OEO_00000186)                                     | gasworks gas                                 | Gasworks gas is manufactured coal based gas that covers all types of gases produced in public utility or private plants, whose main purpose is manufacture, transport and distribution of gas. It includes gas produced by carbonisation (including gas produced by coke ovens and transferred to gasworks gas), by total gasification with or without enrichment with oil products (LPG, residual fuel oil, etc.), and by reforming and simple mixing of gases and/or air, reported under the rows ‘from other sources’. Under the transformation sector identify amounts of gasworks gas transferred to blended natural gas which will be distributed and consumed through the natural gas grid.<br><br>The production of other coal gases (i.e. coke oven gas, blast furnace gas and oxygen steel furnace gas) should be reported in the columns concerning such gases, and not as production of gasworks gas. The coal gases transferred to gasworks plants should then be reported (in their own column) in the transformation sector in the gasworks plants row. The total amount of gasworks gas resulting from transfers of other coal gases should appear in the production line for gasworks gas. |
| [OEO:00000187](https://openenergyplatform.org/ontology/oeo/OEO_00000187)                                     | gdx                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00280019](https://openenergyplatform.org/ontology/oeo/OEO_00280019)                                     | gearbox wind energy converting unit          | A gearbox wind energy converting unit is a wind energy converting unit whose rotor is connected to its generator through a gearbox.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000180](https://openenergyplatform.org/ontology/oeo/OEO_00000180)                                     | General Algebraic Modeling System            | The General Algebraic Modeling System (GAMS) is a proprietary software framework developed by GAMS Development Corp. that uses the GAMS programming language.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140138](https://openenergyplatform.org/ontology/oeo/OEO_00140138)                                     | generation time series                       | A generation time series is a time series that describes the specific electricity generation of a particular power plant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000188](https://openenergyplatform.org/ontology/oeo/OEO_00000188)                                     | generator                                    | A generator is an energy converting component that converts other forms of energy into electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [BFO:0000031](https://openenergyplatform.org/ontology/oeo/BFO_0000031)                                      | generically dependent continuant             | b is a generically dependent continuant = Def. b is a continuant that g-depends_on one or more other entities. (axiom label in BFO2 Reference: [074-001])                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00030003](https://openenergyplatform.org/ontology/oeo/OEO_00030003)                                     | geogenic                                     | Geogenic is an origin of portions of matter or energies that are the result of geological processes.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000189](https://openenergyplatform.org/ontology/oeo/OEO_00000189)                                     | geographic coordinate                        | A geographic coordinate is an information content entity explicitly stating the geographic position of a zero-dimensional spatial region on Earth, by using a set of numbers with respect to a geographic coordinate system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000191](https://openenergyplatform.org/ontology/oeo/OEO_00000191)                                     | geothermal energy                            | Geothermal energy is thermal energy that is released from within the earth's crust.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00310018](https://openenergyplatform.org/ontology/oeo/OEO_00310018)                                     | geothermal heat plant                        | A geothermal heat plant is a heat plant that has geothermal heat units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020306](https://openenergyplatform.org/ontology/oeo/OEO_00020306)                                     | geothermal heat technology                   | A geothermal heat technology is a heat generation technology that describes how to combine geothermal heat units, geothermal heat transfer processes, energy carriers and energy in a specific way.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020059](https://openenergyplatform.org/ontology/oeo/OEO_00020059)                                     | geothermal heat transfer                     | Geothermal heat transfer is a heat transfer from the earth crust to a transportable material entity. E.g. a liquid or gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00310017](https://openenergyplatform.org/ontology/oeo/OEO_00310017)                                     | geothermal heat unit                         | A geothermal heat unit is a heat transfer unit that uses geothermal energy as source.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000192](https://openenergyplatform.org/ontology/oeo/OEO_00000192)                                     | geothermal power plant                       | A geothermal power plant is a power plant that has geothermal power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010430](https://openenergyplatform.org/ontology/oeo/OEO_00010430)                                     | geothermal power technology                  | A geothermal power technology is a power generation technology that describes how to combine geothermal power units in an electricity generation process with geothermal energy as input.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000019](https://openenergyplatform.org/ontology/oeo/OEO_00000019)                                     | geothermal power unit                        | A geothermal power unit is a power unit using geothermal heat.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000193](https://openenergyplatform.org/ontology/oeo/OEO_00000193)                                     | German energy balance sector division        | The German energy balance sector division is an energy balance used by AG Energiebilanzen (Working Group on Energy Balances) to compile the official national German energy balances.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00410061](https://openenergyplatform.org/ontology/oeo/OEO_00410061)                                     | german voltage classification system         | The german voltage classification system is a voltage classification system currently being used in the electricity grid of Germany.|issue: https://github.com/OpenEnergyPlatform/ontology/issues/1960<br>pull request: https://github.com/OpenEnergyPlatform/ontology/pull/2042                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000292](https://openenergyplatform.org/ontology/oeo/UO_0000292)                                       | giga                                         | "A prefix in the metric system denoting a factor of ten to the power of 9." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000331](https://openenergyplatform.org/ontology/oeo/UO_0000331)                                       | gigabyte                                     | "An information unit which is equal to 1000000000 bytes." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00050004](https://openenergyplatform.org/ontology/oeo/OEO_00050004)                                     | gigajoule                                    | An energy unit which is equal to 10^9 joules.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00050011](https://openenergyplatform.org/ontology/oeo/OEO_00050011)                                     | gigawatt-hour                                | A gigawatt-hour is a watt-hour based unit which is equal to 10^9 watt-hours.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010078](https://openenergyplatform.org/ontology/oeo/OEO_00010078)                                     | global warming potential                     | Global warming potential (GWP) is a quantity value that measures the the time-integrated radiative forcing due to a pulse emission of a given component, relative to a pulse emission of an equal mass of carbon dioxide (CO2).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000195](https://openenergyplatform.org/ontology/oeo/OEO_00000195)                                     | glpk                                         | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000196](https://openenergyplatform.org/ontology/oeo/OEO_00000196)                                     | gnu                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00140099](https://openenergyplatform.org/ontology/oeo/OEO_00140099)                                     | goal description                             | A goal description is an objective specification that contains statements about a desired future state of a system that a person or organisation envisions or plans, or to which it commits.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010116](https://openenergyplatform.org/ontology/oeo/OEO_00010116)                                     | good                                         | A good is a continuant that has the good role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010117](https://openenergyplatform.org/ontology/oeo/OEO_00010117)                                     | good role                                    | The role of an independent continuant or energy over which ownership rights can be established, whose ownership can be passed from one party to another by engaging in transactions, and that is not money.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010163](https://openenergyplatform.org/ontology/oeo/OEO_00010163)                                     | GovReg sector division                       | The GovReg sector division is a sector division defined in Annex XXV, Table 1a of Commission Implementing Regulation (EU) 2020/1208. It uses CRF sectors (IPCC 2006) and adds further sectors.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [UO:0000021](https://openenergyplatform.org/ontology/oeo/UO_0000021)                                       | gram                                         | "A mass unit which is equal to one thousandth of a kilogram or 10^[-3] kg." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [UO:1000021](https://openenergyplatform.org/ontology/oeo/UO_1000021)                                       | gram based unit                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [UO:1010049](https://openenergyplatform.org/ontology/oeo/UO_1010049)                                       | gram per square meter based unit             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000202](https://openenergyplatform.org/ontology/oeo/OEO_00000202)                                     | graphical user interface                     | A graphical user interface (GUI) is a software interface allowing users to communicate with a software application through a graphical window.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000198](https://openenergyplatform.org/ontology/oeo/OEO_00000198)                                     | greenhouse effect disposition                | The greenhouse effect disposition is the disposition of a gas to contribute to the greenhouse effect, when it is emitted into the atmosphere.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000020](https://openenergyplatform.org/ontology/oeo/OEO_00000020)                                     | greenhouse gas                               | A greenhouse gas is a portion of matter that has the disposition to contribute to the greenhouse effect.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000199](https://openenergyplatform.org/ontology/oeo/OEO_00000199)                                     | greenhouse gas emission                      | A greenhouse gas emission is an emission that releases a greenhouse gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140082](https://openenergyplatform.org/ontology/oeo/OEO_00140082)                                     | greenhouse gas emission rate                 | A greenhouse gas emission rate is an emission rate that describes the output of a greenhouse gas emission process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00020317](https://openenergyplatform.org/ontology/oeo/OEO_00020317)                                     | greenhouse gas emission scenario             | A greenhouse gas emission scenario is an emission scenario that describes a possible greenhouse gas emission trajectory.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00340065](https://openenergyplatform.org/ontology/oeo/OEO_00340065)                                     | greenhouse gas emission value                | A greenhouse gas emission value is an emission value that quantifies a greenhouse gas emission rate and has a mass unit.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00020006](https://openenergyplatform.org/ontology/oeo/OEO_00020006)                                     | grid component                               | A grid component is an energy transformation unit that is a discrete part of a supply grid serving a specific purpose. A grid component is defined by having a grid component role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000255](https://openenergyplatform.org/ontology/oeo/OEO_00000255)                                     | grid component link                          | A grid component link is a grid component that serves as a connection between two other grid components.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00410067](https://openenergyplatform.org/ontology/oeo/OEO_00410067)                                     | grid component role                          | A grid component role is a role of an energy transformation unit that is a discrete part of a supply grid serving a specific purpose.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020171](https://openenergyplatform.org/ontology/oeo/OEO_00020171)                                     | grid connection cost                         | Grid connection costs are investment costs for establishing the grid connection from the energy generating device to point of connection to national grid.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000296](https://openenergyplatform.org/ontology/oeo/OEO_00000296)                                     | grid node                                    | A grid node is a grid component of a supply grid where two or more links meet.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010031](https://openenergyplatform.org/ontology/oeo/OEO_00010031)                                     | grid supplied electric vehicle               | A grid supplied electric vehicle is an electric vehicle that has a current collector to use electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000129](https://openenergyplatform.org/ontology/oeo/OEO_00000129)                                     | grid transferred thermal energy              | Grid transferred thermal energy is thermal energy that is transferred via the grid-bound heating process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020073](https://openenergyplatform.org/ontology/oeo/OEO_00020073)                                     | grid-bound heating                           | Grid-bound heating is a heat transfer over a distance via a heating grid, using steam or (hot) water.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00140013](https://openenergyplatform.org/ontology/oeo/OEO_00140013)                                     | gross domestic product                       | A gross domestic product is a quantity value that represents the broadest measure of aggregate economic activity, measuring the total unduplicated market value of all final goods and services produced within a statistical area in a period.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00240012](https://openenergyplatform.org/ontology/oeo/OEO_00240012)                                     | gross electricity generation                 | Gross electricity generation is a process attribute that refers to the total amount of electrical energy produced in an electricity generation process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00050017](https://openenergyplatform.org/ontology/oeo/OEO_00050017)                                     | gross inland energy consumption value        | A gross inland energy consumption value is an energy consumption value expressing the magnitude of the total consumption of energy in a spatial region (e.g. a country).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00240018](https://openenergyplatform.org/ontology/oeo/OEO_00240018)                                     | gross national electricity consumption value | A gross national electricity consumption value is an energy consumption value measuring the consumption of electrical energy in a spatial region (e.g. a country), including gross electricity generation plus electricity imports, minus electricity exports. It is part of the gross inland energy consumption.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00140023](https://openenergyplatform.org/ontology/oeo/OEO_00140023)                                     | gross value added                            | Gross value added is a quantity value that is the value of goods and services produced in a sector of an economy, measuring that sector's contribution to gross domestic product (GDP). It is calculated as the monetary value of products and services produced, less the value of intermediate consumption.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000203](https://openenergyplatform.org/ontology/oeo/OEO_00000203)                                     | gurobi                                       | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

## H

| ID                                                                                                                 | LABEL                               | definition                                                                                                                                                                                                                                                                                                                                                                                  |
|:-------------------------------------------------------------------------------------------------------------------|:------------------------------------|:--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00000204](https://openenergyplatform.org/ontology/oeo/OEO_00000204)                                                                                                       | hard coal                           | Hard coal is coal with a gross calorific value greater than 23 865 kJ/kg (5 700 kcal/kg) on an ashfree but moist basis and with a mean random reflectance of vitrinite of at least 0,6.                                                                                                                                                                                                     |
| [OEO:00000205](https://openenergyplatform.org/ontology/oeo/OEO_00000205)                                                                                                       | hard coal power plant               | A hard coal power plant is a coal power plant that has hard coal power units as parts.                                                                                                                                                                                                                                                                                                      |
| [OEO:00010442](https://openenergyplatform.org/ontology/oeo/OEO_00010442)                                                                                                       | hard coal power technology          | A hard coal power technology is a coal power technology that describes how to combine hard coal power units and hard coal in a fuel-powered electricity generation process.                                                                                                                                                                                                                 |
| [OEO:00000021](https://openenergyplatform.org/ontology/oeo/OEO_00000021)                                                                                                       | hard coal power unit                | A hard coal power unit is a coal power unit using hard coal as fuel.                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000206](https://openenergyplatform.org/ontology/oeo/OEO_00000206)                                                                                                       | hardware                            | Hardware is an artificial object that is part of an electronic system.                                                                                                                                                                                                                                                                                                                      |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01049 | heat conduction                     | Heat conduction is an energy transfer in which thermal energy is transmitted within a material entity or object aggregat.                                                                                                                                                                                                                                                                   |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01042 | heat convection                     | Heat convection is an energy transfer in which thermal energy is transported within flowing gaseous or liquid material entities.                                                                                                                                                                                                                                                            |
| [OEO:00140102](https://openenergyplatform.org/ontology/oeo/OEO_00140102)                                                                                                       | heat exchanger                      | A heat exchanger is an energy converting component that is used for a heat transfer process.                                                                                                                                                                                                                                                                                                |
| [OEO:00010248](https://openenergyplatform.org/ontology/oeo/OEO_00010248)                                                                                                       | heat gain process                   | A heat gain process is an energy transformation that has thermal energy as energy output.                                                                                                                                                                                                                                                                                                   |
| [OEO:00310008](https://openenergyplatform.org/ontology/oeo/OEO_00310008)                                                                                                       | heat generating unit                | A heat generating unit is an energy transformation unit that has the function to produce thermal energy.                                                                                                                                                                                                                                                                                    |
| [OEO:00010387](https://openenergyplatform.org/ontology/oeo/OEO_00010387)                                                                                                       | heat generation function            | A heat generation function is an energy transformation function to transform other types of energy to thermal energy.                                                                                                                                                                                                                                                                       |
| [OEO:00020308](https://openenergyplatform.org/ontology/oeo/OEO_00020308)                                                                                                       | heat generation technology          | A heat generation technology is an energy technology that describes how to combine heat generating units, heat generation processes, energy carriers and energy in a specific way.                                                                                                                                                                                                          |
| [OEO:00310011](https://openenergyplatform.org/ontology/oeo/OEO_00310011)                                                                                                       | heat plant                          | A heat plant is an energy transformation unit consisting of heat generating units and a grid component that feeds thermal energy into a heating grid.                                                                                                                                                                                                                                       |
| [OEO:00000212](https://openenergyplatform.org/ontology/oeo/OEO_00000212)                                                                                                       | heat pump                           | A heat pump is a heater that transforms low temperature heat to high temperature heat using external energy.                                                                                                                                                                                                                                                                                |
| [OEO:00140101](https://openenergyplatform.org/ontology/oeo/OEO_00140101)                                                                                                       | heat transfer                       | Heat transfer is an energy transfer of thermal energy.                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00310012](https://openenergyplatform.org/ontology/oeo/OEO_00310012)                                                                                                       | heat transfer unit                  | A heat transfer unit is a heat generating unit that contains a heat exchanger and not a heater.                                                                                                                                                                                                                                                                                             |
| [OEO:00000210](https://openenergyplatform.org/ontology/oeo/OEO_00000210)                                                                                                       | heater                              | A heater is an energy converting component that converts other forms of energy into useful heat.                                                                                                                                                                                                                                                                                            |
| [OEO:00000213](https://openenergyplatform.org/ontology/oeo/OEO_00000213)                                                                                                       | heating and cooling sector          | A heating and cooling sector is a sector that covers heating and cooling activities.                                                                                                                                                                                                                                                                                                        |
| [OEO:00020005](https://openenergyplatform.org/ontology/oeo/OEO_00020005)                                                                                                       | heating grid                        | A heating grid is a supply grid that distributes thermal energy via circulating steam or liquids.                                                                                                                                                                                                                                                                                           |
| [OEO:00020008](https://openenergyplatform.org/ontology/oeo/OEO_00020008)                                                                                                       | heating grid component              | A heating grid component is a grid component that is part of a heating grid.                                                                                                                                                                                                                                                                                                                |
| [OEO:00000211](https://openenergyplatform.org/ontology/oeo/OEO_00000211)                                                                                                       | heating oil                         | Heating oil is gas diesel oil for industrial and commercial uses, marine diesel and diesel used in rail traffic, other gas oil, including heavy gas oils which distil between 380 °C and 540 °C and which are used as petrochemical feedstocks.                                                                                                                                             |
| [UO:0010010](https://openenergyplatform.org/ontology/oeo/UO_0010010)                                                                                                         | hectare                             | "An area unit which is equal to an area of 10,000 square meters. Equivalent to 2.471 acres." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                          |
| [UO:1010010](https://openenergyplatform.org/ontology/oeo/UO_1010010)                                                                                                         | hectare based unit                  | nan                                                                                                                                                                                                                                                                                                                                                                                         |
| [UO:0000287](https://openenergyplatform.org/ontology/oeo/UO_0000287)                                                                                                         | hecto                               | "A prefix in the metric system denoting a factor of one hundred." [UO:GVG]                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010294](https://openenergyplatform.org/ontology/oeo/OEO_00010294)                                                                                                       | helicopter                          | A helicopter is an aircraft that has rotating wings.                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000106](https://openenergyplatform.org/ontology/oeo/UO_0000106)                                                                                                         | hertz                               | "A frequency unit which is equal to 1 complete cycle of a recurring phenomenon in 1 second." [NIST:NIST]                                                                                                                                                                                                                                                                                    |
| [UO:1000106](https://openenergyplatform.org/ontology/oeo/UO_1000106)                                                                                                         | hertz based unit                    | nan                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00410053](https://openenergyplatform.org/ontology/oeo/OEO_00410053)                                                                                                       | high electricity grid voltage level | A high voltage level is a voltage level in the german voltage classification system describing an electric potential difference of 110,000 volts.                                                                                                                                                                                                                                           |
| [OEO:00410072](https://openenergyplatform.org/ontology/oeo/OEO_00410072)                                                                                                       | high rated voltage                  | A high rated voltage is a rated voltage usually used for the interregional distribution of electricity. Electricity at this voltage can be converted to an extra high or medium rated voltage. The usual producers feeding electricity into the grid at this voltage are natural gas and hydro power plants. Large-scale industries can be consumers receiving electricity at this voltage. |
| [OEO:00410032](https://openenergyplatform.org/ontology/oeo/OEO_00410032)                                                                                                       | high soil quality role              | A high soil quality role is a soil quality role inherent in a region of relevance reflecting that the soil, that is part of the bearer, has a high soil quality.                                                                                                                                                                                                                            |
| [BFO:0000182](https://openenergyplatform.org/ontology/oeo/BFO_0000182)                                                                                                        | history                             | nan                                                                                                                                                                                                                                                                                                                                                                                         |
| [UO:0000032](https://openenergyplatform.org/ontology/oeo/UO_0000032)                                                                                                         | hour                                | "A time unit which is equal to 3600 seconds or 60 minutes." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                           |
| [UO:1000032](https://openenergyplatform.org/ontology/oeo/UO_1000032)                                                                                                         | hour based unit                     | nan                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020164](https://openenergyplatform.org/ontology/oeo/OEO_00020164)                                                                                                       | hourly                              | one value per hour                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00000214](https://openenergyplatform.org/ontology/oeo/OEO_00000214)                                                                                                       | household sector                    | A household sector is a sector that covers households.                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00140000](https://openenergyplatform.org/ontology/oeo/OEO_00140000)                                                                                                       | hub height                          | Hub height is a quality of a wind energy converting unit that measures the distance between surface and centre-line of the wind rotor.                                                                                                                                                                                                                                                      |
| [OEO:00000126](https://openenergyplatform.org/ontology/oeo/OEO_00000126)                                                                                                       | HVDC-line                           | An HVDC-line is a powerline for transferring high voltage direct current.                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020026](https://openenergyplatform.org/ontology/oeo/OEO_00020026)                                                                                                       | hybrid                              | Hybrid is an analytical approach that combines the top down and the bottom up approach. Some parts are based on composition approach while other parts are based on decomposition approach.                                                                                                                                                                                                 |
| [OEO:00000218](https://openenergyplatform.org/ontology/oeo/OEO_00000218)                                                                                                       | hydro energy                        | Hydro energy is kinetic energy of moving liquid water which can result directly from its potential energy.                                                                                                                                                                                                                                                                                  |
| [OEO:00110004](https://openenergyplatform.org/ontology/oeo/OEO_00110004)                                                                                                       | hydro energy transformation         | Hydro energy transformation is an energy transformation that converts hydro energy.                                                                                                                                                                                                                                                                                                         |
| [OEO:00010086](https://openenergyplatform.org/ontology/oeo/OEO_00010086)                                                                                                       | hydro power plant                   | A hydro power plant is a power plant having an aggregate of hydro power generating units as its power generating unit parts.                                                                                                                                                                                                                                                                |
| [OEO:00010431](https://openenergyplatform.org/ontology/oeo/OEO_00010431)                                                                                                       | hydro power technology              | A hydro power technology is a power generation technology that describes how to combine hydro power units and a hydroelectric energy transformation.                                                                                                                                                                                                                                        |
| [OEO:00010085](https://openenergyplatform.org/ontology/oeo/OEO_00010085)                                                                                                       | hydro power unit                    | A hydro power unit is a power generating unit that uses hydro energy.                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010088](https://openenergyplatform.org/ontology/oeo/OEO_00010088)                                                                                                       | hydro storage power plant           | A hydro storage power plant is a hydro power plant that uses the available hydro energy of a stationary water storage.                                                                                                                                                                                                                                                                      |
| [OEO:00140159](https://openenergyplatform.org/ontology/oeo/OEO_00140159)                                                                                                       | hydrocarbon                         | Hydrocarbon is a portion of matter which is member of class of organic chemical compounds composed only of the elements carbon (C) and hydrogen (H).                                                                                                                                                                                                                                        |
| [OEO:00110005](https://openenergyplatform.org/ontology/oeo/OEO_00110005)                                                                                                       | hydroelectric energy transformation | Hydroelectric energy transformation is a hydro energy transformation that converts hydro energy to electrical energy.                                                                                                                                                                                                                                                                       |
| [OEO:00000219](https://openenergyplatform.org/ontology/oeo/OEO_00000219)                                                                                                       | hydrofluorocarbon                   | Hydrofluorocarbons (HFCs) are portions of matter consisting of organic compounds that contain fluorine and hydrogen atoms, and are the most common type of organofluorine compounds. They are frequently used in air conditioning and as refrigerants in place of the older chlorofluorocarbons such as R-12 and hydrochlorofluorocarbons such as R-21.                                     |
| [OEO:00000220](https://openenergyplatform.org/ontology/oeo/OEO_00000220)                                                                                                       | hydrogen                            | Hydrogen is a portion of matter with the chemical formula H2. It has a gaseous normal state of matter. As it can be oxidised it can be used as a fuel.                                                                                                                                                                                                                                      |
| [OEO:00140134](https://openenergyplatform.org/ontology/oeo/OEO_00140134)                                                                                                       | hydrogen fuel cell                  | A hydrogen fuel cell is a fuel cell that uses hydrogen.                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000221](https://openenergyplatform.org/ontology/oeo/OEO_00000221)                                                                                                       | hydrogen power plant                | A hydrogen power plant is a power plant that has hydrogen power units as parts.                                                                                                                                                                                                                                                                                                             |
| [OEO:00000022](https://openenergyplatform.org/ontology/oeo/OEO_00000022)                                                                                                       | hydrogen power unit                 | A hydrogen power unit is a power generating unit using hydrogen as fuel.                                                                                                                                                                                                                                                                                                                    |
| [OEO:00320059](https://openenergyplatform.org/ontology/oeo/OEO_00320059)                                                                                                       | hydrogen station                    | A hydrogen station is a filling station that transfers hydrogen.                                                                                                                                                                                                                                                                                                                            |
| [OEO:00320060](https://openenergyplatform.org/ontology/oeo/OEO_00320060)                                                                                                       | hydrogen transport                  | Hydrogen transport is the combustion fuel transport of hydrogen.                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000222](https://openenergyplatform.org/ontology/oeo/OEO_00000222)                                                                                                       | hydrogen turbine                    | A hydrogen turbine is a gas turbine fueled with hydrogen.                                                                                                                                                                                                                                                                                                                                   |

## I

| ID                                               | LABEL                                         | definition                                                                                                                                                                                                                                                                                                                        |
|:-------------------------------------------------|:----------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [UO:0000115](https://openenergyplatform.org/ontology/oeo/UO_0000115)                                       | illuminance unit                              | "A unit which is a standard measure of the luminous flux incident on a unit area." [Wikipedia:Wikipedia]                                                                                                                                                                                                                          |
| [BFO:0000141](https://openenergyplatform.org/ontology/oeo/BFO_0000141)                                      | immaterial entity                             | nan                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020201](https://openenergyplatform.org/ontology/oeo/OEO_00020201)                                     | import                                        | Import is the process of purchasing goods or services abroad and their delivery to the domestic market.                                                                                                                                                                                                                           |
| [OEO:00240036](https://openenergyplatform.org/ontology/oeo/OEO_00240036)                                     | import price                                  | An import price is the monetary price for the import of a material entity.                                                                                                                                                                                                                                                        |
| [OEO:00390027](https://openenergyplatform.org/ontology/oeo/OEO_00390027)                                     | improve spatial resolution                    | Improve spatial resolution is an action specification that describes the process of increasing the spatial resolution of wind data across a region to provide finer detail for wind resource assessment. This is done by horizontal interpolation.                                                                                |
| [OEO:00000225](https://openenergyplatform.org/ontology/oeo/OEO_00000225)                                     | inactive                                      | nan                                                                                                                                                                                                                                                                                                                               |
| [OEO:00340005](https://openenergyplatform.org/ontology/oeo/OEO_00340005)                                     | increase                                      | A process of becoming larger, more numerous, more important, or more likely.                                                                                                                                                                                                                                                      |
| https://www.commoncoreontologies.org/ont00001048 | Increase of Dependent Continuant              | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00001356 | Increase of Disposition                       | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000361 | Increase of Function                          | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000107 | Increase of Generically Dependent Continuant  | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000131 | Increase of Quality                           | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000611 | Increase of Realizable Entity                 | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000786 | Increase of Role                              | nan                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00001214 | Increase of Specifically Dependent Continuant | nan                                                                                                                                                                                                                                                                                                                               |
| [BFO:0000004](https://openenergyplatform.org/ontology/oeo/BFO_0000004)                                      | independent continuant                        | A continuant that is a bearer of quality and realizable entity entities, in which other entities inhere and which itself cannot inhere in anything.|b is an independent continuant = Def. b is a continuant which is such that there is no c and no t such that b s-depends_on c at t. (axiom label in BFO2 Reference: [017-002]) |
| [OEO:00280016](https://openenergyplatform.org/ontology/oeo/OEO_00280016)                                     | induction generator                           | An induction generator is an electromotive generator where the excitation field is provided by an electric current.                                                                                                                                                                                                               |
| [OEO:00020074](https://openenergyplatform.org/ontology/oeo/OEO_00020074)                                     | industrial grid-bound heating                 | Industrial grid-bound heating is a grid-bound heating transfer to industrial installations.                                                                                                                                                                                                                                       |
| [OEO:00000226](https://openenergyplatform.org/ontology/oeo/OEO_00000226)                                     | industrial waste fuel                         | An industrial waste fuel is waste fuel produced by industry.                                                                                                                                                                                                                                                                      |
| [OEO:00310004](https://openenergyplatform.org/ontology/oeo/OEO_00310004)                                     | industrial waste thermal energy               | Industrial waste thermal energy is waste thermal energy that is energy output of some industrial process.                                                                                                                                                                                                                         |
| [OEO:00000227](https://openenergyplatform.org/ontology/oeo/OEO_00000227)                                     | industry sector                               | An industry sector is a sector that covers industrial activities with other main purposes of energy transformation.                                                                                                                                                                                                               |
| [OEO:00020113](https://openenergyplatform.org/ontology/oeo/OEO_00020113)                                     | inflation rate                                | Inflation rate is an economic value reprensenting the ratio between the monetary price for a good at two different points in time that equalises differences in monetary price levels between these two points in time.                                                                                                           |
| [IAO:0000030](https://openenergyplatform.org/ontology/oeo/IAO_0000030)                                      | information content entity                    | A generically dependent continuant that is about some thing.                                                                                                                                                                                                                                                                      |
| [OEO:00010459](https://openenergyplatform.org/ontology/oeo/OEO_00010459)                                     | information instrument                        | An information instrument is a policy instrument that aims at providing knowledge to persons and/or institutions to stimulate transformative measures.                                                                                                                                                                            |
| [OEO:00010494](https://openenergyplatform.org/ontology/oeo/OEO_00010494)                                     | information instrument function               | An information instrument function is a function of a policy instrument that promotes, amongst others, information measures.                                                                                                                                                                                                      |
| [UO:0000231](https://openenergyplatform.org/ontology/oeo/UO_0000231)                                       | information unit                              | "A unit which is a standard measure of the amount of information." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                          |
| [OEO:00020170](https://openenergyplatform.org/ontology/oeo/OEO_00020170)                                     | installation cost                             | Installation and development cost are investment costs incurred for setting up the installation.                                                                                                                                                                                                                                  |
| [OEO:00000228](https://openenergyplatform.org/ontology/oeo/OEO_00000228)                                     | installation guide                            | An installation guide is a documentation intended to help users install a Software.                                                                                                                                                                                                                                               |
| [OEO:00140069](https://openenergyplatform.org/ontology/oeo/OEO_00140069)                                     | instantaneous                                 | value measured at or modelled for exactly one 0-dim temporal region, referenced by a time stamp, e.g. to represent a time step in a time series                                                                                                                                                                                   |
| [OEO:00000238](https://openenergyplatform.org/ontology/oeo/OEO_00000238)                                     | institution                                   | An institution is an organisation that serves a social purpose.                                                                                                                                                                                                                                                                   |
| [OEO:00140070](https://openenergyplatform.org/ontology/oeo/OEO_00140070)                                     | integral                                      | sum or integral of values, e.g. within a time step or a spatial region                                                                                                                                                                                                                                                            |
| [OEO:00020036](https://openenergyplatform.org/ontology/oeo/OEO_00020036)                                     | interacting region                            | An interacting region is a region of relevance that has the interacting region role.                                                                                                                                                                                                                                              |
| [OEO:00360023](https://openenergyplatform.org/ontology/oeo/OEO_00360023)                                     | interacting region role                       | An interacting region role is a role of a region of relevance that interacts with a region of relevance that has the study region role. It is part of a region of relevance that has the considered region role, but not a study region role.                                                                                     |
| [OEO:00010029](https://openenergyplatform.org/ontology/oeo/OEO_00010029)                                     | internal combustion engine                    | An internal combustion engine is a motor that converts chemical energy into kinetic energy using a cyclic combustion process.                                                                                                                                                                                                     |
| [OEO:00000240](https://openenergyplatform.org/ontology/oeo/OEO_00000240)                                     | internal combustion vehicle                   | An internal combustion vehicle is a vehicle that uses an internal combustion engine for propulsion.                                                                                                                                                                                                                               |
| [OEO:00140004](https://openenergyplatform.org/ontology/oeo/OEO_00140004)                                     | international transport                       | International transport is a transport process between different countries or within the same country via another country.                                                                                                                                                                                                        |
| [OEO:00010320](https://openenergyplatform.org/ontology/oeo/OEO_00010320)                                     | international transport sector                | An international transport sector is a transport sector of international transport processes.                                                                                                                                                                                                                                     |
| [OEO:00020167](https://openenergyplatform.org/ontology/oeo/OEO_00020167)                                     | investment cost                               | Investment costs are costs of a long-term commitment of financial resources in tangible or intangible assets.                                                                                                                                                                                                                     |
| [UO:0000154](https://openenergyplatform.org/ontology/oeo/UO_0000154)                                       | irradiance unit                               | "A unit which is a standard measure of the power of electromagnetic radiation at a surface, per unit area." [Wikipedia:Wikipedia]                                                                                                                                                                                                 |

## J

| ID           | LABEL            | definition                                                                                                                                                                                                                                                                                                                                       |
|:-------------|:-----------------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00000244](https://openenergyplatform.org/ontology/oeo/OEO_00000244) | Java             | Java is a programming language designed by James Gosling and developed by Oracle.                                                                                                                                                                                                                                                                |
| [OEO:00000245](https://openenergyplatform.org/ontology/oeo/OEO_00000245) | jet fuel         | Jet fuel is kerosene used for aviation turbine power units. It has the same distillation characteristics between 150 °C and 300 °C (generally not above 250 °C) and flash point as kerosene. In addition, it has particular specifications (such as freezing point) which are established by the International Air Transport Association (IATA). |
| [OEO:00010303](https://openenergyplatform.org/ontology/oeo/OEO_00010303) | jet fuel turbine | A jet fuel turbine is a turbine fueled with jet fuel.                                                                                                                                                                                                                                                                                            |
| [OEO:00010302](https://openenergyplatform.org/ontology/oeo/OEO_00010302) | jet fuel vehicle | A jet fuel vehicle is a gas turbine vehicle that uses a jet fuel turbine.                                                                                                                                                                                                                                                                        |
| [UO:0000112](https://openenergyplatform.org/ontology/oeo/UO_0000112)   | joule            | "An energy unit which is equal to the energy required when a force of 1 newton moves an object 1 meter in the direction of the force." [NIST:NIST]                                                                                                                                                                                               |
| [UO:1000112](https://openenergyplatform.org/ontology/oeo/UO_1000112)   | joule based unit | nan                                                                                                                                                                                                                                                                                                                                              |
| [IAO:0000013](https://openenergyplatform.org/ontology/oeo/IAO_0000013)  | journal article  | A report that is published in a journal.                                                                                                                                                                                                                                                                                                         |

## K

| ID           | LABEL                                             | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
|:-------------|:--------------------------------------------------|: |
| [UO:0000012](https://openenergyplatform.org/ontology/oeo/UO_0000012)   | kelvin                                            | "A thermodynamic temperature unit which is equal to the fraction 1/273.16 of the thermodynamic temperature of the triple point of water." [BIPM:BIPM, NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [UO:1000012](https://openenergyplatform.org/ontology/oeo/UO_1000012)   | kelvin based unit                                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000246](https://openenergyplatform.org/ontology/oeo/OEO_00000246) | kerosene                                          | Kerosene, also known as paraffin, lamp oil, and coal oil (an obsolete term), is a portion of matter consisting of combustible hydrocarbon liquid which is derived from petroleum. It is widely used as a fuel in industry as well as households. It is sometimes spelled kerosine in scientific and industrial usage.<br>[...]<br><br>Kerosene is widely used to power jet engines of aircraft (jet fuel) and some rocket engines and is also commonly used as a cooking and lighting fuel and for fire toys such as poi. In parts of Asia, kerosene is sometimes used as fuel for small outboard motors or even motorcycles. |
| [UO:0000294](https://openenergyplatform.org/ontology/oeo/UO_0000294)   | kilo                                              | "A prefix in the metric system denoting a factor of one thousand." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00320070](https://openenergyplatform.org/ontology/oeo/OEO_00320070) | kilo ton of coal equivalent                       | A kilo ton of coal equivalent is an energy unit which is equal to 1,000 tons of coal equivalent.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00320067](https://openenergyplatform.org/ontology/oeo/OEO_00320067) | kilo ton of oil equivalent                        | A kilo ton of oil equivalent is an energy unit which is equal to 1,000 tons of oil equivalent.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0000234](https://openenergyplatform.org/ontology/oeo/UO_0000234)   | kilobyte                                          | "An information unit which is equal to 1000 bytes." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [UO:0000009](https://openenergyplatform.org/ontology/oeo/UO_0000009)   | kilogram                                          | "A mass unit which is equal to the mass of the International Prototype Kilogram kept by the BIPM at Svres, France." [BIPM:BIPM, NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000083](https://openenergyplatform.org/ontology/oeo/UO_0000083)   | kilogram per cubic meter                          | "A mass unit density which is equal to mass of an object in kilograms divided by the volume in cubic meters." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [UO:0000086](https://openenergyplatform.org/ontology/oeo/UO_0000086)   | kilogram per square meter                         | "An area density unit which is equal to the mass of an object in kilograms divided by the surface area in meters squared." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00050002](https://openenergyplatform.org/ontology/oeo/OEO_00050002) | kilojoule                                         | An energy unit which is equal to 1,000 joules.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [UO:0010066](https://openenergyplatform.org/ontology/oeo/UO_0010066)   | kilometer                                         | "A length unit which is equal to one thousand meters." [UOB:LKSR]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:0010008](https://openenergyplatform.org/ontology/oeo/UO_0010008)   | kilometer per hour                                | "A speed/velocity unit which is equal to the speed of an object traveling 1 kilometer distance in one hour." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000248](https://openenergyplatform.org/ontology/oeo/UO_0000248)   | kilovolt                                          | "An electric potential difference unit which is equal to one thousand volts or 10^[3] V." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00390000](https://openenergyplatform.org/ontology/oeo/OEO_00390000) | kilowatt                                          | A power unit which is equal to one thousand watts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000224](https://openenergyplatform.org/ontology/oeo/UO_0000224)   | kilowatt-hour                                     | "An energy unit which is equal to 1,000 watt-hours." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00230020](https://openenergyplatform.org/ontology/oeo/OEO_00230020) | kinetic energy                                    | Kinetic energy is the energy that a material entity possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to a stated velocity.                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010323](https://openenergyplatform.org/ontology/oeo/OEO_00010323) | kinetic energy storage function                   | A kinetic energy storage function is an energy storage function with kinetic energy as input and output.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020364](https://openenergyplatform.org/ontology/oeo/OEO_00020364) | kinetic energy storage object                     | A kinetic energy storage object is an energy storage object that has the function to store kinetic energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00020368](https://openenergyplatform.org/ontology/oeo/OEO_00020368) | kinetic energy storage technology                 | An kinetic energy storage technology is an energy storage technology that describes how to combine kinetic energy storage objects and kinetic energy in charging and decharging processes.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010069](https://openenergyplatform.org/ontology/oeo/OEO_00010069) | KSG sector agriculture                            | The KSG sector agriculture is an agriculture, forestry and land use sector defined by the KSG sector division. It is an aggregate of the following two sectors:<br>- CRF sector (IPCC 2006): agriculture, forestry and fishing (CRF 1.A.4.c)<br>- CRF sector (IPCC 2006): agriculture (CRF 3)                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010067](https://openenergyplatform.org/ontology/oeo/OEO_00010067) | KSG sector buildings                              | The KSG sector buildings is a building sector defined by the KSG sector division. It is an aggregate of the following two sectors:<br>- CRF sector (IPCC 2006): commercial and institutional (CRF 1.A.4.a)<br>- CRF sector (IPCC 2006): residential (CRF 1.A.4.b)<br>- CRF sector (IPCC 2006): fuel combustion - other                                                                                                                                                                                                                                                                                                        |
| [OEO:00010056](https://openenergyplatform.org/ontology/oeo/OEO_00010056) | KSG sector division                               | The KSG sector division is a CRF-based sector division defined in annex 1 of the Bundes-Klimaschutzgesetz (KSG).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010065](https://openenergyplatform.org/ontology/oeo/OEO_00010065) | KSG sector energy industry                        | The KSG sector energy industry is an energy transformation sector defined by the KSG sector division. It is an aggregate of the following three sectors:<br>- CRF sector (IPCC 2006): energy industry (CRF 1.A.1.a)<br>- CRF sector (IPCC 2006): other transportation (CRF 1.A.3.e)<br>- CRF sector (IPCC 2006): fugitive emissions from fuels (CRF 1.B)                                                                                                                                                                                                                                                                      |
| [OEO:00010066](https://openenergyplatform.org/ontology/oeo/OEO_00010066) | KSG sector industry                               | The KSG sector industry is an industry sector defined by the KSG sector division. It is an aggregate of the following three sectors:<br>- CRF sector (IPCC 2006): manufacturing industries and construction (CRF 1.A.2)<br>- CRF sector (IPCC 2006): CO2 transport and storage (CRF 1.C)<br>- CRF sector (IPCC 2006): industrial processes and product use (CRF 2)                                                                                                                                                                                                                                                            |
| [OEO:00010071](https://openenergyplatform.org/ontology/oeo/OEO_00010071) | KSG sector land use, land-use change and forestry | The KSG sector land use, land-use change and forestry is an agriculture, forestry and land use sector defined by the KSG sector division.<br>It is equivalent to the CRF sector (IPCC 2006): land use, land-use change and forestry (CRF 4).                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010068](https://openenergyplatform.org/ontology/oeo/OEO_00010068) | KSG sector transport                              | The KSG sector transport is a transport sector defined by the KSG sector division. It is an aggregate of the following four sectors:<br>- CRF sector (IPCC 2006): domestic aviation (CRF 1.A.3.a)<br>- CRF sector (IPCC 2006): road transportation (CRF 1.A.3.b)<br>- CRF sector (IPCC 2006): railways (CRF 1.A.3.c)<br>- CRF sector (IPCC 2006): domestic navigation (CRF 1.A.3.d)                                                                                                                                                                                                                                           |
| [OEO:00010070](https://openenergyplatform.org/ontology/oeo/OEO_00010070) | KSG sector waste management and other             | The KSG sector waste management and other is a sector defined by the KSG sector division. It is an aggregate of the following two sectors:<br>- CRF sector (IPCC 2006): waste (CRF 5)<br>- CRF sector (IPCC 2006): other (CRF 6)                                                                                                                                                                                                                                                                                                                                                                                              |

## L

| ID                                               | LABEL                                     | definition                                                                                                                                                                                                                                                                                                                                                             |
|:-------------------------------------------------|:------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00230016](https://openenergyplatform.org/ontology/oeo/OEO_00230016)                                     | labour force                              | The labour force is the population of people ages 15 and older who supply labour to the production of goods and services.  It includes people who are currently employed and people who are unemployed but seeking work as well as first-time job-seekers.                                                                                                             |
| [OEO:00010273](https://openenergyplatform.org/ontology/oeo/OEO_00010273)                                     | land vehicle                              | A land vehicle is a vehicle that is moved by applying forces against the ground.                                                                                                                                                                                                                                                                                       |
| [OEO:00310045](https://openenergyplatform.org/ontology/oeo/OEO_00310045)                                     | latent fluid-gaseous heat storage object  | A latent fluid-gaseous heat storage object is a latent heat storage object that stores thermal energy by converting liquid materials to their gaseous equivalent i.e. evaporating the material.                                                                                                                                                                        |
| [OEO:00310043](https://openenergyplatform.org/ontology/oeo/OEO_00310043)                                     | latent heat storage object                | A latent heat storage object (LHS) is a thermal energy storage object that stores thermal energy through phase transitions in phase-change materials (PCM).                                                                                                                                                                                                            |
| [OEO:00310044](https://openenergyplatform.org/ontology/oeo/OEO_00310044)                                     | latent solid-fluid heat storage object    | A latent solid-fluid heat storage object is a latent heat storage object that stores thermal energy by converting solid materials to their liquid equivalent i.e. melting the material.                                                                                                                                                                                |
| [OEO:00280014](https://openenergyplatform.org/ontology/oeo/OEO_00280014)                                     | lead-acid battery                         | A lead-acid battery is a battery whose electrodes are composed of lead and its electrolyte is a solution of sulfuric acid.                                                                                                                                                                                                                                             |
| [OEO:00020093](https://openenergyplatform.org/ontology/oeo/OEO_00020093)                                     | legal target description                  | A legal target description is an objective specification that contains statements about a desired future state of a system that a person or organisation commits to in a legally binding way.                                                                                                                                                                          |
| [OEO:00410009](https://openenergyplatform.org/ontology/oeo/OEO_00410009)                                     | legislation                               | A legislation is a plan specification that is produced by a government and enables, prohibits or bans activities, or establishes rights or responsibilities.                                                                                                                                                                                                           |
| [UO:0000001](https://openenergyplatform.org/ontology/oeo/UO_0000001)                                       | length unit                               | "A unit which is a standard measure of the distance between two points." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                         |
| [OEO:00140001](https://openenergyplatform.org/ontology/oeo/OEO_00140001)                                     | length value                              | Length value is a quantity value that has a length unit as unit.                                                                                                                                                                                                                                                                                                       |
| [OEO:00400017](https://openenergyplatform.org/ontology/oeo/OEO_00400017)                                     | level of model uncertainty                | Level of model uncertainty is a quality of a model that represents the degree or severity of an uncertainty.                                                                                                                                                                                                                                                           |
| [OEO:00020127](https://openenergyplatform.org/ontology/oeo/OEO_00020127)                                     | levelised cost of electricity             | Levelised cost of electricity are the net cost of converting energy to electricity / electric energy over the lifetime of an energy transformation unit. They are calculated considering all relevant costs including investment, operation, maintenance and fuel cost, etc.                                                                                           |
| [OEO:00020110](https://openenergyplatform.org/ontology/oeo/OEO_00020110)                                     | levy                                      | A levy is an economic instrument that consists of a compulsory financial charge imposed on an agent or institution by a governmental organisation.                                                                                                                                                                                                                     |
| [OEO:00280013](https://openenergyplatform.org/ontology/oeo/OEO_00280013)                                     | LFP battery                               | A LFP battery is a lithium-ion battery containing iron phosphate.                                                                                                                                                                                                                                                                                                      |
| [OEO:00020015](https://openenergyplatform.org/ontology/oeo/OEO_00020015)                                     | licence                                   | A licence is an information content entity that contains an official permission or permit to do, use or own something.                                                                                                                                                                                                                                                 |
| [OEO:00010500](https://openenergyplatform.org/ontology/oeo/OEO_00010500)                                     | licence provider                          | A licence provider is an agent that provides a licence that allows a licensee to do something specific.                                                                                                                                                                                                                                                                |
| [OEO:00010499](https://openenergyplatform.org/ontology/oeo/OEO_00010499)                                     | licensee                                  | A licensee is an agent that is permitted by a licence provider to participate in some process.                                                                                                                                                                                                                                                                         |
| [OEO:00330023](https://openenergyplatform.org/ontology/oeo/OEO_00330023)                                     | life cycle assessment                     | A life cycle assessment is a methodology to calculate and analyse environmental impacts of the life cycle of a material entity or process.                                                                                                                                                                                                                             |
| [OEO:00020175](https://openenergyplatform.org/ontology/oeo/OEO_00020175)                                     | life time                                 | A life time is a time span of an artificial object that measures the time during which the artificial object exists.                                                                                                                                                                                                                                                   |
| [UO:0000157](https://openenergyplatform.org/ontology/oeo/UO_0000157)                                       | light unit                                | "A unit which is a standard measure of the intensity of light." [NIST:NIST]                                                                                                                                                                                                                                                                                            |
| [OEO:00000251](https://openenergyplatform.org/ontology/oeo/OEO_00000251)                                     | lignite                                   | Lignite is coal that is non-agglomerating with a gross calorific value less than 17 435 kJ/kg (4 165 kcal/kg) and greater than 31 % volatile matter on a dry mineral matter free basis.                                                                                                                                                                                |
| [OEO:00000252](https://openenergyplatform.org/ontology/oeo/OEO_00000252)                                     | lignite power plant                       | A lignite power plant is a coal power plant that has lignite power units as parts.                                                                                                                                                                                                                                                                                     |
| [OEO:00010443](https://openenergyplatform.org/ontology/oeo/OEO_00010443)                                     | lignite power technology                  | A lignite power technology is a coal power technology that describes how to combine hard coal power units and lignite in a fuel-powered electricity generation process.                                                                                                                                                                                                |
| [OEO:00000024](https://openenergyplatform.org/ontology/oeo/OEO_00000024)                                     | lignite power unit                        | A lignite power unit is a coal power unit using lignite as fuel.                                                                                                                                                                                                                                                                                                       |
| [OEO:00010237](https://openenergyplatform.org/ontology/oeo/OEO_00010237)                                     | liquefied natural gas                     | Liquefied natural gas (LNG) is natural gas that has a liquid state of matter.                                                                                                                                                                                                                                                                                          |
| [OEO:00320054](https://openenergyplatform.org/ontology/oeo/OEO_00320054)                                     | liquefied natural gas truck               | A liquefied natural gas truck is a truck that uses liquefied natural gas in a gas engine for propulsion and thus is also a liquefied natural gas vehicle.                                                                                                                                                                                                              |
| [OEO:00320007](https://openenergyplatform.org/ontology/oeo/OEO_00320007)                                     | liquefied natural gas vehicle             | A liquefied natural gas vehicle is a gas vehicle that uses liquefied natural gas as fuel.                                                                                                                                                                                                                                                                              |
| [OEO:00320011](https://openenergyplatform.org/ontology/oeo/OEO_00320011)                                     | liquefied petroleum gas                   | Liquefied petroleum gas (LPG) is gas mixture of hydrocarbon gases, mainly propane and butane.                                                                                                                                                                                                                                                                          |
| [OEO:00320049](https://openenergyplatform.org/ontology/oeo/OEO_00320049)                                     | liquefied petroleum gas car               | A liquefied petroleum gas car is a car that uses liquefied petroleum gas in a gas engine for propulsion and thus is also a liquefied petroleum gas vehicle.                                                                                                                                                                                                            |
| [OEO:00320005](https://openenergyplatform.org/ontology/oeo/OEO_00320005)                                     | liquefied petroleum gas vehicle           | A liquefied petroleum gas vehicle is a gas vehicle that uses liquefied petroleum gas as fuel.                                                                                                                                                                                                                                                                          |
| [OEO:00000256](https://openenergyplatform.org/ontology/oeo/OEO_00000256)                                     | liquid                                    | The state of being liquid. A portion of matter is liquid has no definite shape but a definite volume (at a given temperature and pressure).                                                                                                                                                                                                                            |
| [OEO:00000257](https://openenergyplatform.org/ontology/oeo/OEO_00000257)                                     | liquid air                                | Liquid air is air that has a liquid state of matter.                                                                                                                                                                                                                                                                                                                   |
| [OEO:00240015](https://openenergyplatform.org/ontology/oeo/OEO_00240015)                                     | liquid air production                     | Liquid air production is a production that produces liquid air by cooling and compressing (gaseous) air.                                                                                                                                                                                                                                                               |
| [OEO:00000258](https://openenergyplatform.org/ontology/oeo/OEO_00000258)                                     | liquid biofuel                            | A liquid biofuel is a biofuel that has liquid as its normal state of matter.                                                                                                                                                                                                                                                                                           |
| [OEO:00010145](https://openenergyplatform.org/ontology/oeo/OEO_00010145)                                     | liquid combustion fuel                    | A liquid combustion fuel is a combustion fuel that has a liquid state of matter under normal conditions.                                                                                                                                                                                                                                                               |
| [OEO:00010147](https://openenergyplatform.org/ontology/oeo/OEO_00010147)                                     | liquid fossil fuel                        | A liquid fossil fuel is a fossil combustion fuel that has a liquid state of matter under normal conditions.                                                                                                                                                                                                                                                            |
| [OEO:00010150](https://openenergyplatform.org/ontology/oeo/OEO_00010150)                                     | liquid renewable fuel                     | A liquid renewable fuel is a renewable fuel that has a liquid state of matter under normal conditions.                                                                                                                                                                                                                                                                 |
| [OEO:00010156](https://openenergyplatform.org/ontology/oeo/OEO_00010156)                                     | liquid synthetic fuel                     | A liquid synthetic fuel is a synthetic fuel that has a liquid state of matter under normal conditions.                                                                                                                                                                                                                                                                 |
| [OEO:00110000](https://openenergyplatform.org/ontology/oeo/OEO_00110000)                                     | liquid water                              | Liquid water is water that has a liquid state of matter.                                                                                                                                                                                                                                                                                                               |
| [OEO:00000259](https://openenergyplatform.org/ontology/oeo/OEO_00000259)                                     | liquid-metal battery                      | A liquid-metal battery is a battery that consists of two molten metal alloys separated by an electrolyte. The rechargeable batteries are used for electric vehicles and potentially also for grid energy storage.                                                                                                                                                      |
| [UO:0000099](https://openenergyplatform.org/ontology/oeo/UO_0000099)                                       | liter                                     | "A volume unit which is equal to one thousandth of a cubic meter or 10^[-3] m^[3], or to 1 decimeter." [NIST:NIST]                                                                                                                                                                                                                                                     |
| [UO:1000099](https://openenergyplatform.org/ontology/oeo/UO_1000099)                                       | liter based unit                          | nan                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000248](https://openenergyplatform.org/ontology/oeo/OEO_00000248)                                     | lithium-ion battery                       | A lithium-ion battery is a battery that is rechargeable and in which lithium ions move from the negative electrode to the positive electrode during discharge, and back when charging. Li-ion batteries use an intercalated lithium compound as one electrode material.                                                                                                |
| [OEO:00400022](https://openenergyplatform.org/ontology/oeo/OEO_00400022)                                     | location of model uncertainty role        | Location of model uncertainty role is a role of an entity in which a model uncertainty is located in.                                                                                                                                                                                                                                                                  |
| https://www.commoncoreontologies.org/ont00000876 | Loss of Dependent Continuant              | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00001066 | Loss of Disposition                       | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00001305 | Loss of Function                          | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00000542 | Loss of Generically Dependent Continuant  | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00001127 | Loss of Quality                           | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00000250 | Loss of Realizable Entity                 | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00000613 | Loss of Role                              | nan                                                                                                                                                                                                                                                                                                                                                                    |
| https://www.commoncoreontologies.org/ont00000865 | Loss of Specifically Dependent Continuant | nan                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00410051](https://openenergyplatform.org/ontology/oeo/OEO_00410051)                                     | low electricity grid voltage level        | A low voltage level is a voltage level in the german voltage classification system describing an electric potential difference of 400 volts.                                                                                                                                                                                                                           |
| [OEO:00410070](https://openenergyplatform.org/ontology/oeo/OEO_00410070)                                     | low rated voltage                         | A low rated voltage is a rated voltage usually used for the local distribution of electricity. Electricity at this voltage can be converted to a medium rated voltage. The usual producers feeding electricity into the grid at this voltage are smaller wind farms and solar installations. Households are the usual consumers receiving electricity at this voltage. |
| [STATO:0000315](https://openenergyplatform.org/ontology/oeo/STATO_0000315)                                    | lower confidence limit                    | lower confidence limit is a data item which is a lowest value bounding a confidence interval                                                                                                                                                                                                                                                                           |
| [UO:0000118](https://openenergyplatform.org/ontology/oeo/UO_0000118)                                       | lumen                                     | "A luminous flux unit which is equal to the luminous flux emitted into 1 steradian by a point source of 1 candela." [NIST:NIST]                                                                                                                                                                                                                                        |
| [UO:1000118](https://openenergyplatform.org/ontology/oeo/UO_1000118)                                       | lumen based unit                          | nan                                                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000117](https://openenergyplatform.org/ontology/oeo/UO_0000117)                                       | luminous flux unit                        | "A unit which is a standard measure of the flow of radiant energy." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                              |
| [UO:0000007](https://openenergyplatform.org/ontology/oeo/UO_0000007)                                       | luminous intensity unit                   | "A unit which is a standard measure of the wavelength-weighted power emitted by a light source in a particular direction." [Wikipedia:Wikipedia]                                                                                                                                                                                                                       |
| [UO:0000116](https://openenergyplatform.org/ontology/oeo/UO_0000116)                                       | lux                                       | "An illuminance unit which is equal to the illuminance produced by 1 lumen evenly spread over an area 1 m^[2]." [NIST:NIST]                                                                                                                                                                                                                                            |
| [UO:1000116](https://openenergyplatform.org/ontology/oeo/UO_1000116)                                       | lux based unit                            | nan                                                                                                                                                                                                                                                                                                                                                                    |

## M

| ID                                               | LABEL                                              | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|:-------------------------------------------------|:---------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00030018](https://openenergyplatform.org/ontology/oeo/OEO_00030018)                                     | main activity energy producer                      | A main activity energy producer is an organisational energy producer whose primary activity is electrical energy and/or heat production.                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000263](https://openenergyplatform.org/ontology/oeo/OEO_00000263)                                     | manufactured coal based gas                        | A manufactured coal based gas is a gas mixture that is manufactured from coal. It is used as fossil fuel.                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010491](https://openenergyplatform.org/ontology/oeo/OEO_00010491)                                     | manufactured commodity                             | A manufactured commodity is a portion of matter that is the physical output of a manufacturing process and that has a commodity role.                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00240026](https://openenergyplatform.org/ontology/oeo/OEO_00240026)                                     | manufactured material                              | A manufactured material is a portion of matter that is the physical output of a manufacturing process and that has a good role.                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010486](https://openenergyplatform.org/ontology/oeo/OEO_00010486)                                     | manufacturing plant                                | A manufacturing plant is an artificial object that applies one or more manufacturing processes to produce one more kinds of manufactured materials.                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00050000](https://openenergyplatform.org/ontology/oeo/OEO_00050000)                                     | manufacturing process                              | A manufacturing process is a process that produces artificial objects or object aggregates that are economic goods. It involves several subprocesses, which are energy transformations and material transformations amongst others.                                                                                                                                                                                                                                                     |
| [OEO:00010485](https://openenergyplatform.org/ontology/oeo/OEO_00010485)                                     | manufacturing technology                           | A manufacturing technology is a technology that describes how to combine manufactuing plants and manufacturing processes to produce manufactured materials.                                                                                                                                                                                                                                                                                                                             |
| [OEO:00040008](https://openenergyplatform.org/ontology/oeo/OEO_00040008)                                     | marginal cost                                      | Marginal cost is the quantity value that corresponds to the change in the total cost that arises when the quantity produced is incremented by one unit; that is, it is the cost of producing one more unit of a good.                                                                                                                                                                                                                                                                   |
| [OEO:00010097](https://openenergyplatform.org/ontology/oeo/OEO_00010097)                                     | marine current energy                              | Marine current energy is the natural hydro energy of an ocean current.                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010108](https://openenergyplatform.org/ontology/oeo/OEO_00010108)                                     | marine current energy converting unit              | A marine current energy converting unit is a hydro power unit that uses marine current energy.                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010111](https://openenergyplatform.org/ontology/oeo/OEO_00010111)                                     | marine current energy power plant                  | A marine current energy power plant is a power plant that has marine current energy units as parts.                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010435](https://openenergyplatform.org/ontology/oeo/OEO_00010435)                                     | marine current energy technology                   | A marine current energy technology is a marine hydro power technology that describes how to combine marine current energy converting units in marine current energy transformations.                                                                                                                                                                                                                                                                                                    |
| [OEO:00010098](https://openenergyplatform.org/ontology/oeo/OEO_00010098)                                     | marine current energy transformation               | Marine current energy transformation is a hydroelectric energy transformation that converts marine current energy to electrical energy.                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010434](https://openenergyplatform.org/ontology/oeo/OEO_00010434)                                     | marine hydro power technology                      | A marine hydro power technology is a hydro power technology that describes how to combine hydro power units, a hydroelectric energy transformation and oceans.                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010095](https://openenergyplatform.org/ontology/oeo/OEO_00010095)                                     | marine thermal energy                              | Marine thermal energy is a kind of natural ambient thermal energy that is present in marine water bodies.                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010096](https://openenergyplatform.org/ontology/oeo/OEO_00010096)                                     | marine thermal energy transfer                     | Marine thermal energy transfer is a heat transfer from the marine water body to a transportable material entity.                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010100](https://openenergyplatform.org/ontology/oeo/OEO_00010100)                                     | marine tidal energy                                | Marine tidal energy is the natural hydro energy of a tidal flow.                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010109](https://openenergyplatform.org/ontology/oeo/OEO_00010109)                                     | marine tidal energy converting unit                | A marine tidal energy converting unit is a hydro power unit that uses marine tidal energy.                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010112](https://openenergyplatform.org/ontology/oeo/OEO_00010112)                                     | marine tidal energy power plant                    | A marine tidal energy power plant is a power plant that has marine tidal energy units as parts.                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010436](https://openenergyplatform.org/ontology/oeo/OEO_00010436)                                     | marine tidal energy technology                     | A marine tidal energy technology is a marine hydro power technology that describes how to combine marine tidal energy converting units in marine tidal energy transformations.                                                                                                                                                                                                                                                                                                          |
| [OEO:00010099](https://openenergyplatform.org/ontology/oeo/OEO_00010099)                                     | marine tidal energy transformation                 | Marine tidal energy transformation is a hydroelectric energy transformation that converts kinetic energy from tidal flow to electrical energy.                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010102](https://openenergyplatform.org/ontology/oeo/OEO_00010102)                                     | marine wave energy                                 | Marine wave energy is the natural hydro energy of a wave.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010110](https://openenergyplatform.org/ontology/oeo/OEO_00010110)                                     | marine wave energy converting unit                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010113](https://openenergyplatform.org/ontology/oeo/OEO_00010113)                                     | marine wave energy power plant                     | A marine wave energy power plant is a power plant that has marine wave energy units as parts.                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010437](https://openenergyplatform.org/ontology/oeo/OEO_00010437)                                     | marine wave energy technology                      | A marine wave energy technology is a marine hydro power technology that describes how to combine marine wave energy converting units in marine wave energy transformations.                                                                                                                                                                                                                                                                                                             |
| [OEO:00010103](https://openenergyplatform.org/ontology/oeo/OEO_00010103)                                     | marine wave energy transformation                  | Marine wave energy transformation is a hydroelectric energy transformation that converts marine wave energy to electrical energy.                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020077](https://openenergyplatform.org/ontology/oeo/OEO_00020077)                                     | markdown                                           | A markdown is a quantity value that indicates a virtual amount deducted from an assumed or historical price to predict a price in a different context.                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00020069](https://openenergyplatform.org/ontology/oeo/OEO_00020069)                                     | market exchange                                    | A market exchange is an organisation that has the market exchange role.                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00040002](https://openenergyplatform.org/ontology/oeo/OEO_00040002)                                     | market exchange role                               | A role of an organisation, association, or group of persons, whether incorporated or unincorporated, which constitutes, maintains, or provides a facility for bringing together purchasers and sellers of financial instruments, commodities, or other products, services, or goods, and includes the market place and facilities maintained by the exchange                                                                                                                            |
| [OEO:00010083](https://openenergyplatform.org/ontology/oeo/OEO_00010083)                                     | market participant                                 | A market participant is an agent who participates in trading in a market exchange.                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020109](https://openenergyplatform.org/ontology/oeo/OEO_00020109)                                     | market premium                                     | A market premium is an economic instrument that ensures a guaranteed remuneration, e.g. a fixed feed-in tariff, by paying to the producing agent the difference between a guaranteed return on a good/product and the monetary price for which the good/product is traded on the market.                                                                                                                                                                                                |
| [OEO:00020128](https://openenergyplatform.org/ontology/oeo/OEO_00020128)                                     | market revenue                                     | Market revenue is a quantity value that represents the income from a trade at a market exchange.                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00160006](https://openenergyplatform.org/ontology/oeo/OEO_00160006)                                     | market share                                       | A market share is a quality of a market exchange which quantifies the proportion a good to the total amount of goods traded in that market exchange.                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00160007](https://openenergyplatform.org/ontology/oeo/OEO_00160007)                                     | market share value                                 | A market share value is a fraction value that quantifies a market share.                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020076](https://openenergyplatform.org/ontology/oeo/OEO_00020076)                                     | markup                                             | A markup is a quantity value that indicates a virtual amount added to an assumed or historical price to predict a price in a different context.                                                                                                                                                                                                                                                                                                                                         |
| https://www.commoncoreontologies.org/ont00000895 | Married                                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [UO:0000052](https://openenergyplatform.org/ontology/oeo/UO_0000052)                                       | mass density unit                                  | "A density unit which is a standard measure of the mass of a substance in a given volume." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000002](https://openenergyplatform.org/ontology/oeo/UO_0000002)                                       | mass unit                                          | "A unit which is a standard measure of the amount of matter/energy of a physical object." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00360014](https://openenergyplatform.org/ontology/oeo/OEO_00360014)                                     | material climate neutrality                        | Material climate neutrality is a disposition of a material entity that conforms to some climate neutrality criterion.                                                                                                                                                                                                                                                                                                                                                                   |
| [BFO:0000040](https://openenergyplatform.org/ontology/oeo/BFO_0000040)                                      | material entity                                    | An independent continuant that is spatially extended whose identity is independent of that of other entities and can be maintained through time.                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010333](https://openenergyplatform.org/ontology/oeo/OEO_00010333)                                     | material sustainability                            | Material sustainability is a disposition is a material entity that conforms to some sustainability criteria.                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020264](https://openenergyplatform.org/ontology/oeo/OEO_00020264)                                     | material transformation                            | A material transformation is a transformation in which one or more input material entities are, at least partially, physically changed and result in output material entites.                                                                                                                                                                                                                                                                                                           |
| [OEO:00000266](https://openenergyplatform.org/ontology/oeo/OEO_00000266)                                     | math prog                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020354](https://openenergyplatform.org/ontology/oeo/OEO_00020354)                                     | mathematical model                                 | A mathematical model is a information content artifact that represents a system and its behaviours mathematically.                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000267](https://openenergyplatform.org/ontology/oeo/OEO_00000267)                                     | Matlab software framework                          | The Matlab software framework is a proprietary software framework developed by MathWorks that uses the Matlab programming language.                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00140073](https://openenergyplatform.org/ontology/oeo/OEO_00140073)                                     | maximum                                            | maximum value within a set of data values, e.g. in a time step or spatial region                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010256](https://openenergyplatform.org/ontology/oeo/OEO_00010256)                                     | maximum value                                      | A maximum value is a quantity value that represents the upper limit of an artificial object or process to contain or transform another entity.                                                                                                                                                                                                                                                                                                                                          |
| [STATO:0000028](https://openenergyplatform.org/ontology/oeo/STATO_0000028)                                    | measure of dispersion                              | measure of variation or statistical dispersion is a data item which describes how much a theoritical distribution or dataset is spread.                                                                                                                                                                                                                                                                                                                                                 |
| [IAO:0000109](https://openenergyplatform.org/ontology/oeo/IAO_0000109)                                      | measurement datum                                  | A measurement datum is an information content entity that is a recording of the output of a measurement such as produced by a device.                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010259](https://openenergyplatform.org/ontology/oeo/OEO_00010259)                                     | measurement device                                 | A measurement device is an artificial object that is used in some measurement process.                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00410052](https://openenergyplatform.org/ontology/oeo/OEO_00410052)                                     | medium electricity grid voltage level              | A medium voltage level is a voltage level in the german voltage classification system describing an electric potential difference between 10,000 and 30,000 volts.                                                                                                                                                                                                                                                                                                                      |
| [OEO:00410071](https://openenergyplatform.org/ontology/oeo/OEO_00410071)                                     | medium rated voltage                               | A medium rated voltage is a rated voltage usually used for the regional distribution of electricity. Electricity at this voltage can be converted to a high or low rated voltage. The usual producers feeding electricity into the grid at this voltage are wind and solar farms. Industries can be consumers receiving electricity at this voltage.                                                                                                                                    |
| [OEO:00400019](https://openenergyplatform.org/ontology/oeo/OEO_00400019)                                     | medium uncertainty                                 | Medium uncertainty is a level of model uncertainty at which one can enumerate multiple alternatives and rank them in order of perceived likelihood, without being able to discern how intensely the likelihood varies between two alternatives.                                                                                                                                                                                                                                         |
| [UO:0000293](https://openenergyplatform.org/ontology/oeo/UO_0000293)                                       | mega                                               | "A prefix in the metric system denoting a factor of million." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [UO:0000235](https://openenergyplatform.org/ontology/oeo/UO_0000235)                                       | megabyte                                           | "An information unit which is equal to 1000 kB." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [UO:0000325](https://openenergyplatform.org/ontology/oeo/UO_0000325)                                       | megaHertz                                          | "A frequency unit which is equal to one million hertz or 10^[6] V." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00050003](https://openenergyplatform.org/ontology/oeo/OEO_00050003)                                     | megajoule                                          | An energy unit which is equal to 1,000,000 joules.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000252](https://openenergyplatform.org/ontology/oeo/UO_0000252)                                       | megavolt                                           | "An electric potential difference unit which is equal to one million volts or 10^[6] V." [UOC:GVG]                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00390001](https://openenergyplatform.org/ontology/oeo/OEO_00390001)                                     | megawatt                                           | A power unit which is equal to one million watts.                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00050008](https://openenergyplatform.org/ontology/oeo/OEO_00050008)                                     | megawatt-hour                                      | A megawatt-hour is a watt-hour based unit which is equal to 10^6 watt-hours.                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00310042](https://openenergyplatform.org/ontology/oeo/OEO_00310042)                                     | melting                                            | Melting is a phase transition from a solid medium to their liquid state.                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010227](https://openenergyplatform.org/ontology/oeo/OEO_00010227)                                     | memo item                                          | A memo item is an information content entity about a sector that describes that the sector is excluded from some kind of total and only reported to provide further information (memo).                                                                                                                                                                                                                                                                                                 |
| [OEO:00140141](https://openenergyplatform.org/ontology/oeo/OEO_00140141)                                     | merit order                                        | A merit order is a plan specification that describes the dispatch ranking of power plants (electrical generation) based on ascending order of price.                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00240032](https://openenergyplatform.org/ontology/oeo/OEO_00240032)                                     | metal                                              | A metal is a portion of matter consisting of an atom of an element that exhibits typical metallic properties, being typically shiny, with high electrical and thermal conductivity.                                                                                                                                                                                                                                                                                                     |
| [OEO:00020099](https://openenergyplatform.org/ontology/oeo/OEO_00020099)                                     | meteorological year                                | A meteorological year is a time step in which meteorological data was collected and that has a duration of one year.                                                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000008](https://openenergyplatform.org/ontology/oeo/UO_0000008)                                       | meter                                              | "A length unit which is equal to the length of the path traveled by light in vacuum during a time interval of 1/299 792 458 of a second." [BIPM:BIPM, NIST:NIST]                                                                                                                                                                                                                                                                                                                        |
| [UO:1000008](https://openenergyplatform.org/ontology/oeo/UO_1000008)                                       | meter based unit                                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [UO:0000094](https://openenergyplatform.org/ontology/oeo/UO_0000094)                                       | meter per second                                   | "A speed/velocity unit which is equal to the speed of an object traveling 1 meter distance in one second." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                  |
| [UO:1000094](https://openenergyplatform.org/ontology/oeo/UO_1000094)                                       | meter per second based unit                        | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010220](https://openenergyplatform.org/ontology/oeo/OEO_00010220)                                     | methanation                                        | A methanation is a redox reaction that converts carbon dioxide and hydrogen to synthetic methane and water.                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000025](https://openenergyplatform.org/ontology/oeo/OEO_00000025)                                     | methane                                            | Methane is a hydrocarbon with the chemical formula CH4. It has a gaseous normal state of matter. It occurs naturally in the atmosphere as a trace gas and can work as a greenhouse gas. As it can be oxidised it can be used as a fuel.                                                                                                                                                                                                                                                 |
| [OEO:00010484](https://openenergyplatform.org/ontology/oeo/OEO_00010484)                                     | methanol                                           | Methanol is a hydrocarbon with the chemical formula CH3OH. It has a liquid normal state of matter. As it can be oxidised it can be used as a fuel.                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00020018](https://openenergyplatform.org/ontology/oeo/OEO_00020018)                                     | methodical focus                                   | A methodical focus is a model descriptor that specifies the primary calculation method used in a model.                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020166](https://openenergyplatform.org/ontology/oeo/OEO_00020166)                                     | methodology                                        | A methodology is a plan specification that describes processes that are part of a study.                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010137](https://openenergyplatform.org/ontology/oeo/OEO_00010137)                                     | metric ton                                         | Metric ton (t) is a a mass unit which is equal to thousand of a kilogram or 10^3 kg.                                                                                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000299](https://openenergyplatform.org/ontology/oeo/UO_0000299)                                       | micro                                              | "A prefix in the metric system denoting a factor of 10 to the power of -6." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00140046](https://openenergyplatform.org/ontology/oeo/OEO_00140046)                                     | middle alignment                                   | A middle alignment is a time stamp alignment indicating that the time stamp marks the middle of the time step.                                                                                                                                                                                                                                                                                                                                                                          |
| [UO:0000297](https://openenergyplatform.org/ontology/oeo/UO_0000297)                                       | milli                                              | "A prefix in the metric system denoting a factor of one thousand." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:0000016](https://openenergyplatform.org/ontology/oeo/UO_0000016)                                       | millimeter                                         | "A length unit which is equal to one thousandth of a meter or 10^[-3] m." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00320071](https://openenergyplatform.org/ontology/oeo/OEO_00320071)                                     | million ton of coal equivalent                     | A million ton of coal equivalent is an energy unit which is equal to 1,000,000 tons of coal equivalent.                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00320068](https://openenergyplatform.org/ontology/oeo/OEO_00320068)                                     | million ton of oil equivalent                      | A million ton of oil equivalent is an energy unit which is equal to 1,000,000 tons of oil equivalent.                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00240030](https://openenergyplatform.org/ontology/oeo/OEO_00240030)                                     | mineral                                            | A mineral is a portion of matter that is normally crystalline formed.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010317](https://openenergyplatform.org/ontology/oeo/OEO_00010317)                                     | mineral oil                                        | A mineral oil is a fossil combustion fuel that is either crude oil or a mineral oil product.                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010316](https://openenergyplatform.org/ontology/oeo/OEO_00010316)                                     | mineral oil product                                | A mineral oil product is a fossil combustion fuel produced in a mineral oil refining process.                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010318](https://openenergyplatform.org/ontology/oeo/OEO_00010318)                                     | mineral oil refinery                               | A mineral oil refinery is an energy transformation unit that applies a mineral oil refining process.                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010315](https://openenergyplatform.org/ontology/oeo/OEO_00010315)                                     | mineral oil refining process                       | A mineral oil refining process is a secondary energy production that converts crude oil by cracking and distillation into various mineral oil products.                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010319](https://openenergyplatform.org/ontology/oeo/OEO_00010319)                                     | mineral oil refining sector                        | A mineral oil refining sector is an energy transformation sector that covers mineral oil refining.                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00140072](https://openenergyplatform.org/ontology/oeo/OEO_00140072)                                     | minimum                                            | minimum value within a set of data values, e.g. in a time step or spatial region                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:0000031](https://openenergyplatform.org/ontology/oeo/UO_0000031)                                       | minute                                             | "A time unit which is equal to 60 seconds." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [UO:1000031](https://openenergyplatform.org/ontology/oeo/UO_1000031)                                       | minute based unit                                  | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010468](https://openenergyplatform.org/ontology/oeo/OEO_00010468)                                     | missing value reason                               | A missing value reason is a data item that is used to indicate that data is not available and to provide a specific reason explaining why a meaningful value is not available.                                                                                                                                                                                                                                                                                                          |
| [OEO:00010204](https://openenergyplatform.org/ontology/oeo/OEO_00010204)                                     | MMR sector division                                | The MMR sector division is an EU emission sector division defined in Annex XII, Table 1 of Commission Implementing Regulation (EU) 749/2014. It uses CRF sectors (IPCC 2006) and adds further sectors.                                                                                                                                                                                                                                                                                  |
| [OEO:00010205](https://openenergyplatform.org/ontology/oeo/OEO_00010205)                                     | MMR sector: M.International aviation in the EU ETS | The MMR sector 'M.International aviation in the EU ETS' is a transport sector that encompasses that part of the international aviation that is regulated by the European Union Emissions Trading System.                                                                                                                                                                                                                                                                                |
| [OEO:00010449](https://openenergyplatform.org/ontology/oeo/OEO_00010449)                                     | mobility technology                                | A mobility technology is a technology that describes how vehicles participate in transport                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020352](https://openenergyplatform.org/ontology/oeo/OEO_00020352)                                     | model                                              | A model is a continuant to represent a system and its behaviours in a simplified or idealised way.                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000275](https://openenergyplatform.org/ontology/oeo/OEO_00000275)                                     | model calculation                                  | A model calculation is a process of solving mathematical equations of a model.                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010261](https://openenergyplatform.org/ontology/oeo/OEO_00010261)                                     | model calibration                                  | Model calibration is a process of varying exogenous data, so that the model reproduces the known data (e.g. historical) as far as possible, and thus a part of validation.                                                                                                                                                                                                                                                                                                              |
| [OEO:00000276](https://openenergyplatform.org/ontology/oeo/OEO_00000276)                                     | model component                                    | A model component is a generically dependent continuant that is part of a model.                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020406](https://openenergyplatform.org/ontology/oeo/OEO_00020406)                                     | model coupling                                     | Model coupling is a model calculation in which output data from one or more numerical computer models is used as input data for one or more other models.                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020016](https://openenergyplatform.org/ontology/oeo/OEO_00020016)                                     | model descriptor                                   | A model descriptor is an information content entity that contains information about some model.                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020022](https://openenergyplatform.org/ontology/oeo/OEO_00020022)                                     | model documentation                                | A model documentation is a model descriptor that contains a detailed description of a model.                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000277](https://openenergyplatform.org/ontology/oeo/OEO_00000277)                                     | model factsheet                                    | A model factsheet is a model descriptor that contains a brief description of all relevant model information.                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00360002](https://openenergyplatform.org/ontology/oeo/OEO_00360002)                                     | model intercomparison study                        | A model intercomparison study is a scenario study that performs a comparison of several models using a reference scenario.                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020353](https://openenergyplatform.org/ontology/oeo/OEO_00020353)                                     | model role                                         | A model role is a a role of a continuant for representing a system and its behaviours in a simplified or idealised way.                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00400041](https://openenergyplatform.org/ontology/oeo/OEO_00400041)                                     | model system boundary                              | A model system boundary is a generically dependent continuant that is part of a model and separates aspects of the real world included in the model from those that are not.                                                                                                                                                                                                                                                                                                            |
| [OEO:00400043](https://openenergyplatform.org/ontology/oeo/OEO_00400043)                                     | model uncertainty location                         | A model uncertainty location is a continuant that has the role to be a location of model uncertainty.                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000280](https://openenergyplatform.org/ontology/oeo/OEO_00000280)                                     | modelica                                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000279](https://openenergyplatform.org/ontology/oeo/OEO_00000279)                                     | modelling software                                 | A modelling software is a software used to create and maintain a (mathematical) model.                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000281](https://openenergyplatform.org/ontology/oeo/OEO_00000281)                                     | modus                                              | A modus is an information content entity describing the state of activity something has, e.g. active, inactive or passive.                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000282](https://openenergyplatform.org/ontology/oeo/OEO_00000282)                                     | molten-salt battery                                | A molten-salt battery is a battery that uses molten salts as an electrolyte and offers both a high energy density and a high power density.                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020427](https://openenergyplatform.org/ontology/oeo/OEO_00020427)                                     | monetary price                                     | A monetary price is a quality of a product that indicates the value in terms of the amount of money requested, expected, required or given in exchange for something else.                                                                                                                                                                                                                                                                                                              |
| [OEO:00040003](https://openenergyplatform.org/ontology/oeo/OEO_00040003)                                     | monetary value                                     | A monetary value is a quantity value that states the amount of money specified in monetary units.                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020028](https://openenergyplatform.org/ontology/oeo/OEO_00020028)                                     | monte carlo                                        | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [UO:0000035](https://openenergyplatform.org/ontology/oeo/UO_0000035)                                       | month                                              | "A time unit which is approximately equal to the length of time of one of cycle of the moon's phases which in science is taken to be equal to 30 days." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                           |
| [UO:1000035](https://openenergyplatform.org/ontology/oeo/UO_1000035)                                       | month based unit                                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020165](https://openenergyplatform.org/ontology/oeo/OEO_00020165)                                     | monthly                                            | one value per month                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000285](https://openenergyplatform.org/ontology/oeo/OEO_00000285)                                     | mosek                                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020455](https://openenergyplatform.org/ontology/oeo/OEO_00020455)                                     | motion                                             | Motion is an energy transformation where some kind of energy is transformed into kinetic energy, and the bearer of the kinetic energy changes its position or location.                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010032](https://openenergyplatform.org/ontology/oeo/OEO_00010032)                                     | motor                                              | A motor is an energy converting component that converts other forms of energy into kinetic energy.                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000286](https://openenergyplatform.org/ontology/oeo/OEO_00000286)                                     | motor gasoline                                     | Motor gasoline is gasoline consisting of a mixture of light hydrocarbons distilling between 35 °C and 215 °C. It is used as a fuel for land based spark ignition engines. Motor gasoline may include additives, oxygenates and octane enhancers, including lead compounds such as TEL and TML.<br><br>Includes motor gasoline blending components (excluding additives/oxygenates), e.g. alkylates, isomerate, reformate, cracked gasoline destined for use as finished motor gasoline. |
| [OEO:00010284](https://openenergyplatform.org/ontology/oeo/OEO_00010284)                                     | motorcycle                                         | A motorcycle is a motorised road vehicle that has two wheels.                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010275](https://openenergyplatform.org/ontology/oeo/OEO_00010275)                                     | motorised road vehicle                             | A motorised road vehicle is a road vehicle that has a traction motor.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010291](https://openenergyplatform.org/ontology/oeo/OEO_00010291)                                     | motorised vehicle                                  | A motorised vehicle is a vehicle that has a traction motor.                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000287](https://openenergyplatform.org/ontology/oeo/OEO_00000287)                                     | ms_ excel                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00390104](https://openenergyplatform.org/ontology/oeo/OEO_00390104)                                     | multi-criteria decision analysis                   | A multi-criteria decision analysis (MCDA) is a methodology for decision-making. It is an umbrella term to describe a collection of formal approaches, which seek to take explicit account of multiple criteria, comparing goals and outcomes by assigning weights to various criteria.                                                                                                                                                                                                  |
| [OEO:00000290](https://openenergyplatform.org/ontology/oeo/OEO_00000290)                                     | municipal waste fuel                               | A municipal waste fuel is waste fuel produced by households or non-industrial commercial activities.                                                                                                                                                                                                                                                                                                                                                                                    |

## N

| ID                                               | LABEL                                                       | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|:-------------------------------------------------|:------------------------------------------------------------|: |
| [OEO:00000291](https://openenergyplatform.org/ontology/oeo/OEO_00000291)                                     | nace_ sectors                                               | The Statistical classification of economic activities in the European Community, abbreviated as NACE, is the classification of economic activities in the European Union (EU); the term NACE is derived from the French Nomenclature statistique des activités économiques dans la Communauté européenne. Various NACE versions have been developed since 1970.<br><br>NACE is a four-digit classification providing the framework for collecting and presenting a large range of statistical data according to economic activity in the fields of economic statistics (e.g. production, employment and national accounts) and in other statistical domains developed within the European statistical system (ESS). |
| [OEO:00230003](https://openenergyplatform.org/ontology/oeo/OEO_00230003)                                     | nameplate capacity                                          | Nameplate capacity is the power capacity stating the maximum power an artificial object, e.g. a power generating unit or a power plant, can generate, and the sum of the power ratings of all energy converting component of that power plant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000300](https://openenergyplatform.org/ontology/oeo/UO_0000300)                                       | nano                                                        | "A prefix in the metric system denoting a factor of 10 to the power of -9." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010255](https://openenergyplatform.org/ontology/oeo/OEO_00010255)                                     | nationally determined contribution                          | A nationally determined contribution (NDC) is a target description of future greenhouse gas emission reductions prepared, communicated and maintained by a party to the Paris Agreement.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140104](https://openenergyplatform.org/ontology/oeo/OEO_00140104)                                     | natural ambient thermal energy                              | Natural ambient thermal energy is ambient thermal energy that has a renewable origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000292](https://openenergyplatform.org/ontology/oeo/OEO_00000292)                                     | natural gas                                                 | Natural gas is a gas mixture occurring in underground deposits, whether liquefied or gaseous, and consisting mainly of methane.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00140135](https://openenergyplatform.org/ontology/oeo/OEO_00140135)                                     | natural gas turbine                                         | A natural gas turbine is a gas turbine fueled with natural gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020087](https://openenergyplatform.org/ontology/oeo/OEO_00020087)                                     | natural hydro energy                                        | Natural hydro energy is hydro energy collected from the natural water cycle (rainwater, melted snow and ice).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00400013](https://openenergyplatform.org/ontology/oeo/OEO_00400013)                                     | nature of model uncertainty                                 | Nature of model uncertainty is a quality of a model that represents the core reason for uncertainty within it.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010304](https://openenergyplatform.org/ontology/oeo/OEO_00010304)                                     | NC/BR sector division                                       | The NC/BR sector division is a CRF-based sector division defined by the UNFCCC reporting guidelines on national communications for Parties included in Annex I to the Convention.<br>(https://unfccc.int/sites/default/files/resource/cp2019_13a01_adv.pdf, 6/CP.25, VI, Table 2)                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010308](https://openenergyplatform.org/ontology/oeo/OEO_00010308)                                     | NC/BR sector: agriculture                                   | The NC/BR sector "agriculture" is an agriculture, forestry and land use sector defined by an NC/BR sector division. It aligns to the CRF sector (IPCC 2006): agriculture.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010305](https://openenergyplatform.org/ontology/oeo/OEO_00010305)                                     | NC/BR sector: energy                                        | The NC/BR sector "energy" is a sector defined by an NC/BR sector division that includes all energy use that is not related to transport or industry. The sector includes:<br>- CRF sector (IPCC 2006): energy industry<br>- CRF sector (IPCC 2006): fuel combustion - other sectors<br>- CRF sector (IPCC 2006): fuel combustion - other<br>- CRF sector (IPCC 2006): fugitive emissions from fuels<br>- CRF sector (IPCC 2006): CO2 transport and storage                                                                                                                                                                                                                                                          |
| [OEO:00010309](https://openenergyplatform.org/ontology/oeo/OEO_00010309)                                     | NC/BR sector: forestry/LULUCF                               | The NC/BR sector "forestry/LULUCF" is an agriculture, forestry and land use sector defined by an NC/BR sector division. It aligns to the CRF sector (IPCC 2006): land use, land-use change and forestry.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010307](https://openenergyplatform.org/ontology/oeo/OEO_00010307)                                     | NC/BR sector: industry/industrial processes and product use | The NC/BR sector "industry/industrial processes and product use" is an industry sector defined by an NC/BR sector division. The sector includes:<br>- CRF sector (IPCC 2006): manufacture of solid fuels and other energy industries<br>- CRF sector (IPCC 2006): industrial processes and product use                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010311](https://openenergyplatform.org/ontology/oeo/OEO_00010311)                                     | NC/BR sector: other                                         | The NC/BR sector "other" is a sector defined by an NC/BR sector division that includes everything that is not included in the other NC/BR sectors. It aligns to the CRF sector (IPCC 2006): other.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010306](https://openenergyplatform.org/ontology/oeo/OEO_00010306)                                     | NC/BR sector: transport                                     | The NC/BR sector "transport" is a transport sector defined by an NC/BR sector division. It aligns to the CRF sector (IPCC 2006): transport.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010310](https://openenergyplatform.org/ontology/oeo/OEO_00010310)                                     | NC/BR sector: waste management/waste                        | The NC/BR sector "waste management/waste" is a waste and wastewater sector defined by an NC/BR sector division. It aligns to the CRF sector (IPCC 2006): waste.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000293](https://openenergyplatform.org/ontology/oeo/OEO_00000293)                                     | negative emission                                           | Negative emission is the process of absorbing a substance, usually a pollutant that was emitted before.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00240016](https://openenergyplatform.org/ontology/oeo/OEO_00240016)                                     | net capacity factor                                         | A net capacity factor is a utilisation value that is calculated by dividing the net electricity generation over a given time step by the declared net capacity times the length of this time step.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00240013](https://openenergyplatform.org/ontology/oeo/OEO_00240013)                                     | net electricity generation                                  | Net electricity generation is a process attribute that equals to gross electricity generation minus the consumption of power stations' auxiliary services.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [UO:0000108](https://openenergyplatform.org/ontology/oeo/UO_0000108)                                       | newton                                                      | "A force unit which is equal to the force required to cause an acceleration of 1m/s2 of a mass of 1 Kg in the direction of the force." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [UO:1000108](https://openenergyplatform.org/ontology/oeo/UO_1000108)                                       | newton based unit                                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010003](https://openenergyplatform.org/ontology/oeo/OEO_00010003)                                     | nitric oxide                                                | Nitric oxide is a portion of matter with the chemical formula NO. It is a gas and can act as an air pollutant. Synonyms are nitrogen oxide or nitrogen monoxide.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010004](https://openenergyplatform.org/ontology/oeo/OEO_00010004)                                     | nitrogen dioxide                                            | Nitrogen dioxide is a portion of matter with the chemical formula NO2. It is a gas and can act as an air pollutant.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010002](https://openenergyplatform.org/ontology/oeo/OEO_00010002)                                     | nitrogen oxides                                             | Nitrogen oxides are a portion of matter consisting of compounds of nitrogen and oxygen. It is a collective term for numerous oxides of nitrogen with a gaseous normal state of matter. They can act as air pollutants.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000026](https://openenergyplatform.org/ontology/oeo/OEO_00000026)                                     | nitrogen trifluoride                                        | Nitrogen trifluoride is a portion of matter with the chemical formula NF3. It has a gaseous normal state of matter. It can work as a potent greenhouse gas and has an anthropogenic origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000027](https://openenergyplatform.org/ontology/oeo/OEO_00000027)                                     | nitrous oxide                                               | Nitrous oxide is a portion of matter with the chemical formula N2O. It has a gaseous normal state of matter. It occurs naturally in the atmosphere as a trace gas and it can work as a greenhouse gas.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00280012](https://openenergyplatform.org/ontology/oeo/OEO_00280012)                                     | NMC battery                                                 | A NMC battery is a lithium-ion battery that is composed of mixed metal oxides of lithium, nickel, manganese and cobalt.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| https://www.commoncoreontologies.org/ont00000011 | Nominal Stasis                                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000297](https://openenergyplatform.org/ontology/oeo/OEO_00000297)                                     | non associated gas                                          | Non associated gas is natural gas originating from fields producing hydrocarbons only in gaseous form.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010211](https://openenergyplatform.org/ontology/oeo/OEO_00010211)                                     | non-energy use                                              | Non-energy use is the consumption of an energy carrier without making use the energy it carries.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00010471](https://openenergyplatform.org/ontology/oeo/OEO_00010471)                                     | non-energy use technology                                   | A non-energy use technology is a technology that describes among other things how to combine the consumption of energy carriers for non-energy use with other processes and artificial objects or other material entities in a specific way.                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00240035](https://openenergyplatform.org/ontology/oeo/OEO_00240035)                                     | non-ferrous metal                                           | A non-ferrous metal is a metal that does not contain a significant amount of iron in its chemical composition. It is the physical output of an industrial process and has a commodity role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00240031](https://openenergyplatform.org/ontology/oeo/OEO_00240031)                                     | non-metallic mineral                                        | A non-metallic mineral is a mineral that does not contain any metallic content within themselves. It is the physical output of an industrial process and has a commodity role.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000298](https://openenergyplatform.org/ontology/oeo/OEO_00000298)                                     | non-methane volatile organic compound                       | A non-methane volatile organic compound (NMVOC) is a volatile organic compound other than methane.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010394](https://openenergyplatform.org/ontology/oeo/OEO_00010394)                                     | non-scattered radiant flux density                          | A non-scattered radiant flux density is an areal solar power density that measures the direct solar radiation within the extent of the solar disk only (half-angle 0.266 deg).                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010337](https://openenergyplatform.org/ontology/oeo/OEO_00010337)                                     | non-sustainable biofuel                                     | A non-sustainable biofuel is a biofuel that does not conform to sustainability criteria.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00010469](https://openenergyplatform.org/ontology/oeo/OEO_00010469)                                     | notation key                                                | A notation key is a missing value reason defined by the UNFCCC to indicate why data is missing.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010415](https://openenergyplatform.org/ontology/oeo/OEO_00010415)                                     | nuclear                                                     | Nuclear is a conventional origin that indicates that the energy comes originally from nuclear binding energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000300](https://openenergyplatform.org/ontology/oeo/OEO_00000300)                                     | nuclear binding energy                                      | Nuclear binding energy is the energy that is required to disassemble the nucleus of an atom into its component parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010416](https://openenergyplatform.org/ontology/oeo/OEO_00010416)                                     | nuclear electric hydrogen                                   | Nuclear electrolytic hydrogen is electrolytic hydrogen that is produced with nuclear electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010417](https://openenergyplatform.org/ontology/oeo/OEO_00010417)                                     | nuclear electrical energy                                   | Nuclear electrical energy is electrical energy with a nuclear origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000028](https://openenergyplatform.org/ontology/oeo/OEO_00000028)                                     | nuclear energy carrier disposition                          | A nuclear energy carrier is an energy carrier used in nuclear power stations to produce heat for steam turbines. Heat is created when the nuclear fuel undergoes nuclear fission.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020054](https://openenergyplatform.org/ontology/oeo/OEO_00020054)                                     | nuclear energy transformation                               | Nuclear energy transformation is an energy transformation that converts nuclear binding energy to thermal energy.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020053](https://openenergyplatform.org/ontology/oeo/OEO_00020053)                                     | nuclear fission                                             | Nuclear fission is a process of nuclear reaction or a radioactive decay in which the nucleus of an atom splits into two or more smaller, lighter nuclei.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000302](https://openenergyplatform.org/ontology/oeo/OEO_00000302)                                     | nuclear fuel                                                | A nuclear fuel is a fuel that realises its fuel role in processes that release energy in the form of heat or work by undergoing nuclear fission.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000303](https://openenergyplatform.org/ontology/oeo/OEO_00000303)                                     | nuclear power plant                                         | A nuclear power plant is a power plant that has nuclear power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010439](https://openenergyplatform.org/ontology/oeo/OEO_00010439)                                     | nuclear power technology                                    | A nuclear power generation technology is a power generation technology that describes how to combine nuclear power units and nuclear fuel in an electricity generation process.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000029](https://openenergyplatform.org/ontology/oeo/OEO_00000029)                                     | nuclear power unit                                          | A nuclear power unit is a power generating unit using nuclear fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000274](https://openenergyplatform.org/ontology/oeo/OEO_00000274)                                     | numerical computer model                                    | A numerical computer model is a mathematical model that is calculated by a computer.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |

## O

| ID                                                                    | LABEL                                              | definition                                                                                                                                                                                                                                                |
|:----------------------------------------------------------------------|:---------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [BFO:0000030](https://openenergyplatform.org/ontology/oeo/BFO_0000030)                                                           | object                                             | nan                                                                                                                                                                                                                                                       |
| [BFO:0000027](https://openenergyplatform.org/ontology/oeo/BFO_0000027)                                                           | object aggregate                                   | nan                                                                                                                                                                                                                                                       |
| [OEO:00000304](https://openenergyplatform.org/ontology/oeo/OEO_00000304)                                                          | objective function                                 | An objective function is an information content entity stating the function that should be maximised or minimised to solve a problem.                                                                                                                     |
| [IAO:0000005](https://openenergyplatform.org/ontology/oeo/IAO_0000005)                                                           | objective specification                            | A directive information entity that describes an intended process endpoint. When part of a plan specification the concretization is realized in a planned process in which the bearer tries to effect the world so that the process endpoint is achieved. |
| [OEO:00240004](https://openenergyplatform.org/ontology/oeo/OEO_00240004)                                                          | objective variable                                 | An objective variable is a variable that should be maximised or minimised to solve a problem.                                                                                                                                                             |
| [OEO:00140012](https://openenergyplatform.org/ontology/oeo/OEO_00140012)                                                          | obsolete economic value                            | OBSOLETE: An economic value is a quantity value that is economically relevant.                                                                                                                                                                            |
| [BFO:0000003](https://openenergyplatform.org/ontology/oeo/BFO_0000003)                                                           | occurrent                                          | nan                                                                                                                                                                                                                                                       |
| [OEO:00010105](https://openenergyplatform.org/ontology/oeo/OEO_00010105)                                                          | ocean                                              | The ocean is a water body that consists of salt water and is covering approximately 71% of Earth's surface.                                                                                                                                               |
| [OEO:00010107](https://openenergyplatform.org/ontology/oeo/OEO_00010107)                                                          | ocean current                                      | An ocean current is a a water flow within a water body/marine water body/ocean that is mainly horizontally orientated.                                                                                                                                    |
| [OEO:00010251](https://openenergyplatform.org/ontology/oeo/OEO_00010251)                                                          | OEP study factsheet                                | An OEP study factsheet is an study factsheet hosted on the Open Energy Platform. It is used to access the Open Energy Knowledge Graph (OEKG).                                                                                                             |
| [OEO:00010328](https://openenergyplatform.org/ontology/oeo/OEO_00010328)                                                          | OEP user                                           | An OEP user is a user who interacts with the Open Energy Platform.                                                                                                                                                                                        |
| [OEO:00000308](https://openenergyplatform.org/ontology/oeo/OEO_00000308)                                                          | offshore wind farm                                 | An offshore wind farm is a wind farm that is build in a body of water, usually the ocean.                                                                                                                                                                 |
| [OEO:00010426](https://openenergyplatform.org/ontology/oeo/OEO_00010426)                                                          | offshore wind power technology                     | An offshore wind power technology is a wind power generation technology that describes how to use wind energy converting units in offshore wind farms.                                                                                                    |
| [OEO:00000310](https://openenergyplatform.org/ontology/oeo/OEO_00000310)                                                          | oil power plant                                    | A oil power plant is a power plant that has oil power units as parts.                                                                                                                                                                                     |
| [OEO:00000030](https://openenergyplatform.org/ontology/oeo/OEO_00000030)                                                          | oil power unit                                     | An oil power unit is a power generating unit using oil as fuel.                                                                                                                                                                                           |
| [IAO:0000401](https://openenergyplatform.org/ontology/oeo/IAO_0000401)                                                           | one dimensional cartesian spatial coordinate datum | A cartesion spatial coordinate datum that  uses one value to specify a position along a one dimensional spatial region                                                                                                                                    |
| [BFO:0000142](https://openenergyplatform.org/ontology/oeo/BFO_0000142)                                                           | one-dimensional continuant fiat boundary           | nan                                                                                                                                                                                                                                                       |
| [BFO:0000026](https://openenergyplatform.org/ontology/oeo/BFO_0000026)                                                           | one-dimensional spatial region                     | nan                                                                                                                                                                                                                                                       |
| [BFO:0000038](https://openenergyplatform.org/ontology/oeo/BFO_0000038)                                                           | one-dimensional temporal region                    | nan                                                                                                                                                                                                                                                       |
| [OEO:00000311](https://openenergyplatform.org/ontology/oeo/OEO_00000311)                                                          | onshore wind farm                                  | An onshore wind farm is a wind farm that is build on land.                                                                                                                                                                                                |
| [OEO:00010425](https://openenergyplatform.org/ontology/oeo/OEO_00010425)                                                          | onshore wind power technology                      | An onshore wind power technology is a wind power generation technology that describes how to use wind energy converting units in onshore wind farms.                                                                                                      |
| [OEO:00400016](https://openenergyplatform.org/ontology/oeo/OEO_00400016)                                                          | ontological uncertainty                            | Ontological uncertainty is a nature of model uncertainty that stems from inherent variability of a phenomenon.                                                                                                                                            |
| [OEO:00000312](https://openenergyplatform.org/ontology/oeo/OEO_00000312)                                                          | open source                                        | open source is a software descriptor labelling software whose source code is available online for free and can be modified or redistributed.                                                                                                              |
| [OEO:00010091](https://openenergyplatform.org/ontology/oeo/OEO_00010091)                                                          | open-loop pumped hydro storage power plant         | An open-loop pumped hydro storage power plant is a pumped hydro storage power plant that has natural inflows.                                                                                                                                             |
| [OEO:00020178](https://openenergyplatform.org/ontology/oeo/OEO_00020178)                                                          | operational life time                              | An operational life time is the lifetime of an artificial object. It is measured from the end of construction time to the start of decommissioning time.                                                                                                  |
| [OEO:00020137](https://openenergyplatform.org/ontology/oeo/OEO_00020137)                                                          | operational space requirement                      | An operational space requirement is space requirement that covers the area needed by an artificial object in order to operate properly.                                                                                                                   |
| https://www.commoncoreontologies.org/ont00001191                      | Operational Stasis                                 | nan                                                                                                                                                                                                                                                       |
| [OEO:00000313](https://openenergyplatform.org/ontology/oeo/OEO_00000313)                                                          | optimisation                                       | An optimisation is a model calculation with the goal to find a best choice or result for at least one variable or function in the model.                                                                                                                  |
| [OEO:00000314](https://openenergyplatform.org/ontology/oeo/OEO_00000314)                                                          | optimisation model                                 | An optimisation model is a model that optimises a target function.                                                                                                                                                                                        |
| [OEO:00030022](https://openenergyplatform.org/ontology/oeo/OEO_00030022)                                                          | organisation                                       | An organisation is an immaterial entity that has the organisation role and there exists some sort of legal framework that recognises the entity and its continued existence.                                                                              |
| [OEO:00000315](https://openenergyplatform.org/ontology/oeo/OEO_00000315)                                                          | organisation role                                  | An organisation role is a role of an aggregate of people that has a collective goal and a set of organisation rules.                                                                                                                                      |
| [OEO:00030016](https://openenergyplatform.org/ontology/oeo/OEO_00030016)                                                          | organisational energy producer                     | An organisational energy producer is an organisation that undertakes the generation of electricity and/or heat."                                                                                                                                          |
| [OEO:00000316](https://openenergyplatform.org/ontology/oeo/OEO_00000316)                                                          | origin                                             | Origin is a quality of a portion of matter or energy based on where it comes from. It is inherited from its primary sources.                                                                                                                              |
| https://www.commoncoreontologies.org/ont00000644                      | Oscillation Process                                | nan                                                                                                                                                                                                                                                       |
| [OEO:00020104](https://openenergyplatform.org/ontology/oeo/OEO_00020104)                                                          | outage                                             | An outage is a process during which an artificial object cannot perform or operate.                                                                                                                                                                       |
| [OEO:00420002](https://openenergyplatform.org/ontology/oeo/OEO_00420002)                                                          | output creation objective                          | An output creation objective is an objective specification that defines the goal to produce some output.                                                                                                                                                  |
| [OEO:00020013](https://openenergyplatform.org/ontology/oeo/OEO_00020013)                                                          | output data                                        | Output data is endogenous data that is determined by a model calculation and presented as a result.                                                                                                                                                       |
| [OEO:00420003](https://openenergyplatform.org/ontology/oeo/OEO_00420003)                                                          | output data creation objective                     | An output data creation objective is an output creation objective that defines the goal to produce output data.                                                                                                                                           |
| [OEO:00440000](https://openenergyplatform.org/ontology/oeo/OEO_00440000) | overhead power line                                | An overhead power line is a power line that is installed above the ground.                                                                                                                                                                                |
| [OEO:00140035](https://openenergyplatform.org/ontology/oeo/OEO_00140035)                                                          | oxidation                                          | Oxidation is a chemical reaction that describes the loss of electrons of an atom, an ion, or of certain atoms in a molecule and is a part of a redox reaction.                                                                                            |
| [OEO:00010218](https://openenergyplatform.org/ontology/oeo/OEO_00010218)                                                          | oxygen                                             | Oxygen is a portion of matter with the chemical formula O2. It has a gaseous normal state of matter.                                                                                                                                                      |

## P

| ID                                               | LABEL                                          | definition                                                                                                                                                                                                                                                                                                       |
|:-------------------------------------------------|:-----------------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00240028](https://openenergyplatform.org/ontology/oeo/OEO_00240028)                                     | paper                                          | Paper is a portion of matter that is made from cellulose fibres and other plant materials. It is used for paper-based products. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.                                                              |
| [OEO:00010260](https://openenergyplatform.org/ontology/oeo/OEO_00010260)                                     | parameterisation                               | Parameterisation is the process of translating assumptions into exogenous data the model can use.                                                                                                                                                                                                                |
| [OEO:00000318](https://openenergyplatform.org/ontology/oeo/OEO_00000318)                                     | particulate matter                             | Particulate matter is a portion of matter consisting of small particles. It can act as an air pollutant.                                                                                                                                                                                                         |
| [UO:0000169](https://openenergyplatform.org/ontology/oeo/UO_0000169)                                       | parts per million                              | "A dimensionless concentration notation which denotes the amount of a given substance in a total amount of 1,000,000 regardless of the units of measure used as long as they are the same or 1 part in 10^[6]." [UOC:GVG]                                                                                        |
| [UO:1000169](https://openenergyplatform.org/ontology/oeo/UO_1000169)                                       | parts per million based unit                   | nan                                                                                                                                                                                                                                                                                                              |
| [UO:0000166](https://openenergyplatform.org/ontology/oeo/UO_0000166)                                       | parts per notation unit                        | "A dimensionless concentration notation which describes the amount of one substance in another. It is the ratio of the amount of the substance of interest to the amount of that substance plus the amount of the substance." [Wikipedia:Wikipedia]                                                              |
| [UO:0000110](https://openenergyplatform.org/ontology/oeo/UO_0000110)                                       | pascal                                         | "A pressure unit which is equal to the pressure or stress on a surface caused by a force of 1 newton spread over a surface of 1 m^[2]." [NIST:NIST]                                                                                                                                                              |
| [UO:1000110](https://openenergyplatform.org/ontology/oeo/UO_1000110)                                       | pascal based unit                              | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00010264](https://openenergyplatform.org/ontology/oeo/OEO_00010264)                                     | passenger                                      | A passenger is an agent who travels in a vehicle.                                                                                                                                                                                                                                                                |
| [OEO:00320034](https://openenergyplatform.org/ontology/oeo/OEO_00320034)                                     | passenger port                                 | A passenger port is a port for the exchange of passengers.                                                                                                                                                                                                                                                       |
| [OEO:00010287](https://openenergyplatform.org/ontology/oeo/OEO_00010287)                                     | passenger ship                                 | A passenger ship is a ship that is used for passenger transport.                                                                                                                                                                                                                                                 |
| [OEO:00010282](https://openenergyplatform.org/ontology/oeo/OEO_00010282)                                     | passenger train                                | A passenger train is a train that is used for passenger transport.                                                                                                                                                                                                                                               |
| [OEO:00320030](https://openenergyplatform.org/ontology/oeo/OEO_00320030)                                     | passenger train station                        | A passenger train station is a train station for the exchange of passengers.                                                                                                                                                                                                                                     |
| [OEO:00010263](https://openenergyplatform.org/ontology/oeo/OEO_00010263)                                     | passenger transport                            | A passenger transport is a transport process in which people are moved in a vehicle from one place to another.                                                                                                                                                                                                   |
| [OEO:00320002](https://openenergyplatform.org/ontology/oeo/OEO_00320002)                                     | passenger-kilometre                            | Passenger-kilometre is a transport performance unit for the accumulated transport distance of people where one passenger-kilometre equals the transport distance of 1 km for one person.                                                                                                                         |
| [OEO:00280010](https://openenergyplatform.org/ontology/oeo/OEO_00280010)                                     | passivated emitter rear contact solar cell     | A passivated emitter rear contact solar cell is a photovoltaic cell with dielectric surface passivation.                                                                                                                                                                                                         |
| [OEO:00000319](https://openenergyplatform.org/ontology/oeo/OEO_00000319)                                     | passive                                        | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00000320](https://openenergyplatform.org/ontology/oeo/OEO_00000320)                                     | peat                                           | Peat is a or portion of matter that is a soft, porous or compressed, sedimentary deposit of plant origin with high water content (up to 90 % in the raw state) and can be used as combustion fuel. As the natural formation of peat takes at least centuries, peat is usually considered having a fossil origin. |
| [OEO:00280011](https://openenergyplatform.org/ontology/oeo/OEO_00280011)                                     | PERC panel                                     | A PERC panel is a PV panel constructed with PERC cells.                                                                                                                                                                                                                                                          |
| [UO:0000187](https://openenergyplatform.org/ontology/oeo/UO_0000187)                                       | percent                                        | "A dimensionless ratio unit which denotes numbers as fractions of 100." [Wikipedia:Wikipedia]                                                                                                                                                                                                                    |
| [OEO:00000322](https://openenergyplatform.org/ontology/oeo/OEO_00000322)                                     | perfluorocarbon                                | Perfluorocarbons (PFCs) are portions of matter consisting of organic compounds that contain fluorine atoms but no hydrogen atoms.                                                                                                                                                                                |
| https://www.commoncoreontologies.org/ont00000127 | Performance Specification                      | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00280006](https://openenergyplatform.org/ontology/oeo/OEO_00280006)                                     | permanent magnet synchronous generator         | A permanent magnet synchronous generator is an electromotive generator where the excitation field is provided by a permanent magnet.                                                                                                                                                                             |
| [OEO:00000323](https://openenergyplatform.org/ontology/oeo/OEO_00000323)                                     | person                                         | A person is a human being.                                                                                                                                                                                                                                                                                       |
| [OEO:00240038](https://openenergyplatform.org/ontology/oeo/OEO_00240038)                                     | personal living space                          | A personal living space is a space requirement that one person uses for living.                                                                                                                                                                                                                                  |
| [UO:0000290](https://openenergyplatform.org/ontology/oeo/UO_0000290)                                       | peta                                           | "A prefix in the metric system denoting a factor of ten to the power of 15." [UO:GVG]                                                                                                                                                                                                                            |
| [OEO:00050006](https://openenergyplatform.org/ontology/oeo/OEO_00050006)                                     | petajoule                                      | An energy unit which is equal to 10^15 joules.                                                                                                                                                                                                                                                                   |
| [OEO:00050010](https://openenergyplatform.org/ontology/oeo/OEO_00050010)                                     | petawatt-hour                                  | A petawatt-hour is a watt-hour based unit which is equal to 10^15 watt-hours.                                                                                                                                                                                                                                    |
| [OEO:00010327](https://openenergyplatform.org/ontology/oeo/OEO_00010327)                                     | petroleum coke                                 | Petroleum coke is a portion of matter with a solid state of matter that is produced in a mineral oil refining process. It consists mainly of carbon and can be uses as a fuel.                                                                                                                                   |
| [UO:0000196](https://openenergyplatform.org/ontology/oeo/UO_0000196)                                       | pH                                             | "A dimensionless concentration notation which denotes the acidity of a solution in terms of activity of hydrogen ions (H+)." [Wikipedia:Wikipedia]                                                                                                                                                               |
| [UO:1000196](https://openenergyplatform.org/ontology/oeo/UO_1000196)                                       | pH based unit                                  | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00310040](https://openenergyplatform.org/ontology/oeo/OEO_00310040)                                     | phase transition                               | A phase transition is a transformation of a medium from a solid, liquid, or gas state to a different state.                                                                                                                                                                                                      |
| [OEO:00230021](https://openenergyplatform.org/ontology/oeo/OEO_00230021)                                     | photon                                         | A photon is a material entity that is a light particle.                                                                                                                                                                                                                                                          |
| [OEO:00000032](https://openenergyplatform.org/ontology/oeo/OEO_00000032)                                     | photovoltaic cell                              | A photovoltaic cell (PV cell) is a generator that converts solar energy into electrical energy.                                                                                                                                                                                                                  |
| [OEO:00020048](https://openenergyplatform.org/ontology/oeo/OEO_00020048)                                     | photovoltaic energy transformation             | Photovoltaic energy transformation is a solar energy transformation that converts solar energy into electrical energy.                                                                                                                                                                                           |
| [OEO:00000324](https://openenergyplatform.org/ontology/oeo/OEO_00000324)                                     | photovoltaic power plant                       | A photovoltaic power plant is a solar power plant that has PV panels as parts.                                                                                                                                                                                                                                   |
| [OEO:00010428](https://openenergyplatform.org/ontology/oeo/OEO_00010428)                                     | photovoltaic technology                        | A photovoltaic technology is a power generation technology that describes how to combine photovoltaic panels in an electricity generation process with solar energy as input.                                                                                                                                    |
| [OEO:00000325](https://openenergyplatform.org/ontology/oeo/OEO_00000325)                                     | PHP                                            | PHP is a programming language designed by Rasmus Lerdorf.                                                                                                                                                                                                                                                        |
| [OEO:00010299](https://openenergyplatform.org/ontology/oeo/OEO_00010299)                                     | physical method                                | A physical method is a method to calculate primary energy consumption that quantifies renewable and nuclear energies by attributing an efficiency value each.                                                                                                                                                    |
| [OEO:00010490](https://openenergyplatform.org/ontology/oeo/OEO_00010490)                                     | physical unit                                  | A physical unit is a unit that represents a standardised quantity value of a physical quantifiable entity.                                                                                                                                                                                                       |
| [UO:0000188](https://openenergyplatform.org/ontology/oeo/UO_0000188)                                       | pi                                             | "A dimensionless unit which denoted an irrational real number, approximately equal to 3.14159 which is the ratio of a circle's circumference to its diameter in Euclidean geometry." [Wikipedia:Wikipedia]                                                                                                       |
| [UO:1000188](https://openenergyplatform.org/ontology/oeo/UO_1000188)                                       | pi based unit                                  | nan                                                                                                                                                                                                                                                                                                              |
| [UO:0000302](https://openenergyplatform.org/ontology/oeo/UO_0000302)                                       | pico                                           | "A prefix in the metric system denoting a factor of 10 to the power of -12." [GVG:UO]                                                                                                                                                                                                                            |
| [OEO:00390040](https://openenergyplatform.org/ontology/oeo/OEO_00390040)                                     | place turbines within area                     | Place turbines within area is an action specification that describes the definition of the spatial arrangement of wind turbines within the designated area, ensuring optimal positioning based on site characteristics and layout constraints.                                                                   |
| [IAO:0000104](https://openenergyplatform.org/ontology/oeo/IAO_0000104)                                      | plan specification                             | A directive information entity with action specifications and objective specifications as parts, and that may be concretized as a realizable entity that, if realized, is realized in a process in which the bearer tries to achieve the objectives by taking the actions specified.                             |
| [UO:0000122](https://openenergyplatform.org/ontology/oeo/UO_0000122)                                       | plane angle unit                               | "A unit which is a standard measure of the angle formed by two straight lines in the same plane." [Wikipedia:Wikipedia]                                                                                                                                                                                          |
| [OEO:00140126](https://openenergyplatform.org/ontology/oeo/OEO_00140126)                                     | planned availability                           | Planned availability is a quality that describes the amount of time a power plant is planned to be operational per year.                                                                                                                                                                                         |
| [OEO:00020106](https://openenergyplatform.org/ontology/oeo/OEO_00020106)                                     | planned outage                                 | A planned outage is an outage during which an artificial object is being maintained.                                                                                                                                                                                                                             |
| [OEO:00000326](https://openenergyplatform.org/ontology/oeo/OEO_00000326)                                     | plasmatic                                      | The state of being a plasma. A portion of matter is in plasmatic state if and only if it has has no definite shape and no definite volume and is electrically conductive.                                                                                                                                        |
| [OEO:00310010](https://openenergyplatform.org/ontology/oeo/OEO_00310010)                                     | plate heat exchanger                           | A plate heat exchanger is a heat exchanger that uses a plate for a heat transfer process.                                                                                                                                                                                                                        |
| [OEO:00000327](https://openenergyplatform.org/ontology/oeo/OEO_00000327)                                     | plotting                                       | Plotting is data processing where data is visualised in form of a diagram.                                                                                                                                                                                                                                       |
| [OEO:00320050](https://openenergyplatform.org/ontology/oeo/OEO_00320050)                                     | plug-in hybrid electric car                    | A plug-in hybrid electric car is a car that can switch between an electric traction motor and an internal combustion engine for propulsion and thus is also a plug-in hybrid electric vehicle.                                                                                                                   |
| [OEO:00010030](https://openenergyplatform.org/ontology/oeo/OEO_00010030)                                     | plug-in hybrid electric vehicle                | A plug-in hybrid electric vehicle (PHEV) is a vehicle that contains both an electric traction motor and an internal combustion engine and can switch between their usage for propulsion. It contains a traction battery that can be charged with electrical energy from an external supply.                      |
| [OEO:00140091](https://openenergyplatform.org/ontology/oeo/OEO_00140091)                                     | plutonium                                      | Plutonium is a portion of matter with the chemical formula Pu. It has a solid normal state of matter.                                                                                                                                                                                                            |
| [OEO:00010009](https://openenergyplatform.org/ontology/oeo/OEO_00010009)                                     | PM10                                           | PM10 is particulate matter which passes through a size-selective inlet as defined in the reference method for the sampling and measurement of PM10, EN 12341, with a 50 % efficiency cut-off at 10 µm aerodynamic diameter.                                                                                      |
| [OEO:00010010](https://openenergyplatform.org/ontology/oeo/OEO_00010010)                                     | PM2.5                                          | PM2.5 is particulate matter which passes through a size-selective inlet as defined in the reference method for the sampling and measurement of PM2,5, EN 14907, with a 50 % efficiency cut-off at 2,5 µm aerodynamic diameter.                                                                                   |
| [OEO:00280008](https://openenergyplatform.org/ontology/oeo/OEO_00280008)                                     | PMSG wind energy converting unit               | A PMSG wind energy converting unit is a wind energy converting unit that has a permanent magnet synchronous generator as part.                                                                                                                                                                                   |
| [OEO:00280009](https://openenergyplatform.org/ontology/oeo/OEO_00280009)                                     | PMSG wind power technology                     | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00140150](https://openenergyplatform.org/ontology/oeo/OEO_00140150)                                     | policy                                         | A policy is a plan specification that is a deliberate system of principles, rules and guidelines, adopted by an organisation to guide decision making with respect to particular situations and implemented to achieve stated goals.                                                                             |
| [OEO:00140151](https://openenergyplatform.org/ontology/oeo/OEO_00140151)                                     | policy instrument                              | A policy instrument is an action specification of an organisation (e.g. a government) that promotes transformative measures.                                                                                                                                                                                     |
| [OEO:00020309](https://openenergyplatform.org/ontology/oeo/OEO_00020309)                                     | policy scenario                                | A policy scenario is a scenario in which certain policy instruments or transformative measures and their impacts are assessed.                                                                                                                                                                                   |
| [OEO:00000328](https://openenergyplatform.org/ontology/oeo/OEO_00000328)                                     | political assumption                           | A political assumption is an assumption about political measures taken.                                                                                                                                                                                                                                          |
| [OEO:00000329](https://openenergyplatform.org/ontology/oeo/OEO_00000329)                                     | political party                                | A political party is an organisation of a group of people with common views or goals that wants to have influence in politics.                                                                                                                                                                                   |
| [OEO:00000330](https://openenergyplatform.org/ontology/oeo/OEO_00000330)                                     | pollution                                      | Pollution is an emission with a negative effect on the environment or organisms.                                                                                                                                                                                                                                 |
| [OEO:00410033](https://openenergyplatform.org/ontology/oeo/OEO_00410033)                                     | poor soil quality role                         | A poor soil quality role is a soil quality role inherent in a region of relevance reflecting that the soil, that is part of the bearer, has a poor soil quality.                                                                                                                                                 |
| [OEO:00230013](https://openenergyplatform.org/ontology/oeo/OEO_00230013)                                     | population                                     | A population is an aggregate of people in a spatial region.                                                                                                                                                                                                                                                      |
| [OEO:00350000](https://openenergyplatform.org/ontology/oeo/OEO_00350000)                                     | population count                               | A population count is a quantity value to measure the size of a population.                                                                                                                                                                                                                                      |
| [OEO:00320032](https://openenergyplatform.org/ontology/oeo/OEO_00320032)                                     | port                                           | A port is a transport hub for ships.                                                                                                                                                                                                                                                                             |
| [OEO:00000331](https://openenergyplatform.org/ontology/oeo/OEO_00000331)                                     | portion of matter                              | A portion of matter is an aggregate of material entities that have a state of matter.                                                                                                                                                                                                                            |
| [OEO:00290000](https://openenergyplatform.org/ontology/oeo/OEO_00290000)                                     | potential                                      | A potential is a maximum value that describes some upper limit in a spatial region of reference.                                                                                                                                                                                                                 |
| [OEO:00020045](https://openenergyplatform.org/ontology/oeo/OEO_00020045)                                     | potential energy                               | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00010324](https://openenergyplatform.org/ontology/oeo/OEO_00010324)                                     | potential energy storage function              | A potential energy storage function is an energy storage function with potential energy as input and output.                                                                                                                                                                                                     |
| [OEO:00020371](https://openenergyplatform.org/ontology/oeo/OEO_00020371)                                     | potential energy storage object                | A potential energy storage object is an energy storage object that has the function to store potential energy.                                                                                                                                                                                                   |
| [OEO:00020372](https://openenergyplatform.org/ontology/oeo/OEO_00020372)                                     | potential energy storage technology            | An potential energy storage technology is an energy storage technology that describes how to combine potential energy storage objects and potential energy in charging and decharging processes.                                                                                                                 |
| [OEO:00000333](https://openenergyplatform.org/ontology/oeo/OEO_00000333)                                     | power                                          | Power is the process attribute that is the amount of energy transformed or transferred per time unit.                                                                                                                                                                                                            |
| [OEO:00010257](https://openenergyplatform.org/ontology/oeo/OEO_00010257)                                     | power capacity                                 | A power capacity is a power rating of a generator or power generating unit to generate power.                                                                                                                                                                                                                    |
| [OEO:00000334](https://openenergyplatform.org/ontology/oeo/OEO_00000334)                                     | power generating unit                          | A power generating unit is an energy transformation unit that has the function to produce electrical energy.                                                                                                                                                                                                     |
| [OEO:00010423](https://openenergyplatform.org/ontology/oeo/OEO_00010423)                                     | power generation technology                    | A power generation technology is an energy technology that describes how to combine power generating units and energy carriers in a power generation process to generate electrical energy.                                                                                                                      |
| [OEO:00000253](https://openenergyplatform.org/ontology/oeo/OEO_00000253)                                     | power line                                     | A power line is a grid component link that enables the transfer of electricity between nodes in an electricity grid.                                                                                                                                                                                             |
| [OEO:00420004](https://openenergyplatform.org/ontology/oeo/OEO_00420004)                                     | power line for vehicles                        | A power line for vehicles is a power line that is designed to transfer electrical energy to an electrically propelled vehicle. The conductor is installed alongside, above or embedded in the infrastructure used by the vehicles.                                                                               |
| [OEO:00020457](https://openenergyplatform.org/ontology/oeo/OEO_00020457)                                     | power line support structure                   | A power line support structure is an artificial object with the function of holding overhead power lines above the ground surface.                                                                                                                                                                               |
| [OEO:00000031](https://openenergyplatform.org/ontology/oeo/OEO_00000031)                                     | power plant                                    | A power plant is an energy transformation unit consisting of power generating units and a grid component that feeds electric energy into an electric grid.                                                                                                                                                       |
| [OEO:00140130](https://openenergyplatform.org/ontology/oeo/OEO_00140130)                                     | power plant operator                           | A power plant operator is an agent that operates an electric utility generation station.                                                                                                                                                                                                                         |
| [OEO:00140137](https://openenergyplatform.org/ontology/oeo/OEO_00140137)                                     | power plant portfolio                          | A power plant portfolio is an information content entity that describes a particular combination or mix of different power plants, e.g. renewables and fossil plants within one business unit or company or trader.                                                                                              |
| [OEO:00140162](https://openenergyplatform.org/ontology/oeo/OEO_00140162)                                     | power plant with electro motive generator      | A power plant with electromotive generator is a power plant that has an electro motive generator.                                                                                                                                                                                                                |
| [OEO:00230001](https://openenergyplatform.org/ontology/oeo/OEO_00230001)                                     | power rating                                   | A power rating is a maximum value stating the maximum power an energy converting component can convert.                                                                                                                                                                                                          |
| [OEO:00360017](https://openenergyplatform.org/ontology/oeo/OEO_00360017)                                     | power system                                   | A power system is an energy system covering the generation, transportation, distribution and consumption of electrical energy.                                                                                                                                                                                   |
| [OEO:00360016](https://openenergyplatform.org/ontology/oeo/OEO_00360016)                                     | power system resilience                        | Power system resilience is the resilience of a power system that represents the ability to limit the extent, system impact, and duration of degradation in order to sustain critical services following an extraordinary event.                                                                                  |
| [UO:0000113](https://openenergyplatform.org/ontology/oeo/UO_0000113)                                       | power unit                                     | "A unit which is a standard measure power or the rate of doing work." [NIST:NIST]                                                                                                                                                                                                                                |
| [OEO:00010157](https://openenergyplatform.org/ontology/oeo/OEO_00010157)                                     | power value                                    | A power value is a quantity value that has a power unit as unit.                                                                                                                                                                                                                                                 |
| [OEO:00010401](https://openenergyplatform.org/ontology/oeo/OEO_00010401)                                     | power-only generating unit                     | A power-only generating unit is a power generating unit that has only the function to produce electrical energy.                                                                                                                                                                                                 |
| [OEO:00010222](https://openenergyplatform.org/ontology/oeo/OEO_00010222)                                     | power-to-ammonia process                       | A power-to-ammonia process is a power-to-gas process that has ammonia as output.                                                                                                                                                                                                                                 |
| [OEO:00330010](https://openenergyplatform.org/ontology/oeo/OEO_00330010)                                     | power-to-ammonia system                        | A power-to-ammonia system is a power-to-gas system that implements the power-to-ammonia process.                                                                                                                                                                                                                 |
| [OEO:00020349](https://openenergyplatform.org/ontology/oeo/OEO_00020349)                                     | power-to-ammonia technology                    | A power-to-ammonia technology is an power-to-gas technology that describes how to combine power-to-ammonia systems in power-to-ammonia processes.                                                                                                                                                                |
| [OEO:00330007](https://openenergyplatform.org/ontology/oeo/OEO_00330007)                                     | power-to-fuel process                          | A power-to-fuel process is an energy transformation that converts electrical energy to chemical energy by synthesising portions of matter into a synthetic fuel.                                                                                                                                                 |
| [OEO:00330009](https://openenergyplatform.org/ontology/oeo/OEO_00330009)                                     | power-to-fuel system                           | A power-to-fuel system is an energy transformation unit that implements a power-to-fuel process. A water electrolyser is participating in the power-to-fuel process.                                                                                                                                             |
| [OEO:00020347](https://openenergyplatform.org/ontology/oeo/OEO_00020347)                                     | power-to-fuel technology                       | A power-to-fuel technology is an energy technology that describes how to combine power-to-fuel systems in power-to-fuel processes.                                                                                                                                                                               |
| [OEO:00010216](https://openenergyplatform.org/ontology/oeo/OEO_00010216)                                     | power-to-gas process                           | A power-to-gas process is a power-to-fuel process that converts electrical energy to chemical energy by synthesising portions of matter into a gaseous synthetic fuel.                                                                                                                                           |
| [OEO:00000335](https://openenergyplatform.org/ontology/oeo/OEO_00000335)                                     | power-to-gas system                            | A power-to-gas system is a power-to-fuel system that implements a power-to-gas process. A water electrolyser is participating in the power-to-gas process.                                                                                                                                                       |
| [OEO:00020348](https://openenergyplatform.org/ontology/oeo/OEO_00020348)                                     | power-to-gas technology                        | A power-to-gas technology is a power-to-fuel technology that describes how to combine power-to-gas systems in power-to-gas processes.                                                                                                                                                                            |
| [OEO:00330008](https://openenergyplatform.org/ontology/oeo/OEO_00330008)                                     | power-to-liquid process                        | A power-to-liquid process is a power-to-fuel process that converts electrical energy to chemical energy by synthesising portions of matter into a liquid synthetic fuel.                                                                                                                                         |
| [OEO:00010020](https://openenergyplatform.org/ontology/oeo/OEO_00010020)                                     | power-to-liquid system                         | A power-to-liquid system is a power-to-fuel system that implements a power-to-liquid process. A water electrolyser is participating in the power-to-liquid process.                                                                                                                                              |
| [OEO:00020351](https://openenergyplatform.org/ontology/oeo/OEO_00020351)                                     | power-to-liquid technology                     | A power-to-liquid technology is an power-to-fuel technology that describes how to combine power-to-liquid systems in power-to-liquid processes.                                                                                                                                                                  |
| [OEO:00010217](https://openenergyplatform.org/ontology/oeo/OEO_00010217)                                     | power-to-methane process                       | A power-to-methane process is a power-to-gas process that has electrical energy as energy input, water and carbon dioxide as physical input and synthetic methane carrying chemical energy as physical output. It consists of two sub processes: an electrolysis process and a methanation.                      |
| [OEO:00000269](https://openenergyplatform.org/ontology/oeo/OEO_00000269)                                     | power-to-methane system                        | A power-to-methane system is a power-to-gas system that implements the power-to-methane process.                                                                                                                                                                                                                 |
| [OEO:00020350](https://openenergyplatform.org/ontology/oeo/OEO_00020350)                                     | power-to-methane technology                    | A power-to-methane technology is an power-to-gas technology that describes how to combine power-to-methane systems in power-to-methane processes.                                                                                                                                                                |
| [UO:0000046](https://openenergyplatform.org/ontology/oeo/UO_0000046)                                       | prefix                                         | nan                                                                                                                                                                                                                                                                                                              |
| [OEO:00390029](https://openenergyplatform.org/ontology/oeo/OEO_00390029)                                     | prepare exclusion criteria datasets            | Prepare exclusion criteria datasets is an action specification that describes the steps involved in obtaining and preparing datasets that represent exclusion zones for wind farm development, based on predefined criteria. That includes acquiring and processing the data.                                    |
| [OEO:00010454](https://openenergyplatform.org/ontology/oeo/OEO_00010454)                                     | pressure                                       | A pressure is a quality representing the force per unit area that its bearer exerts on itself or on a surface that bounds its bearer.                                                                                                                                                                            |
| [UO:0000109](https://openenergyplatform.org/ontology/oeo/UO_0000109)                                       | pressure unit                                  | "A unit which is a standard measure of the force applied to a given area." [NIST:NIST]                                                                                                                                                                                                                           |
| [OEO:00040007](https://openenergyplatform.org/ontology/oeo/OEO_00040007)                                     | price request                                  | A price request is a request in which an agent asks another agent for a price.                                                                                                                                                                                                                                   |
| [OEO:00160002](https://openenergyplatform.org/ontology/oeo/OEO_00160002)                                     | primary control                                | A primary control is a frequency control that is decentralised and automated. It reacts within seconds to frequency deviations caused by electricity supply and demand imbalances.                                                                                                                               |
| [OEO:00140078](https://openenergyplatform.org/ontology/oeo/OEO_00140078)                                     | primary energy carrier                         | A primary energy carrier is an energy carrier that has the disposition primary energy carrier disposition.                                                                                                                                                                                                       |
| [OEO:00140075](https://openenergyplatform.org/ontology/oeo/OEO_00140075)                                     | primary energy carrier disposition             | Primary energy carrier disposition is an energy carrier disposition of material entities that are extracted directly from natural resources or that are natural energy flows.                                                                                                                                    |
| [OEO:00030028](https://openenergyplatform.org/ontology/oeo/OEO_00030028)                                     | primary energy carrier harvest                 | Primary energy carrier harvest is a primary energy production that collects solid biomass from its natural site.                                                                                                                                                                                                 |
| [OEO:00030027](https://openenergyplatform.org/ontology/oeo/OEO_00030027)                                     | primary energy carrier mining                  | Primary energy carrier mining is a primary energy production that recovers non-renewable energy carriers from its natural site.                                                                                                                                                                                  |
| [OEO:00010296](https://openenergyplatform.org/ontology/oeo/OEO_00010296)                                     | primary energy consumption calculation method  | A primary energy consumption calculation method is a methodology to calculate primary energy consumption.                                                                                                                                                                                                        |
| [OEO:00050018](https://openenergyplatform.org/ontology/oeo/OEO_00050018)                                     | primary energy consumption value               | A primary energy consumption value is an energy consumption value expressing the magnitude of the total consumption of energy in a spatial region excluding the non-energetic use of fuels.                                                                                                                      |
| [OEO:00030026](https://openenergyplatform.org/ontology/oeo/OEO_00030026)                                     | primary energy production                      | Primary energy production is a production that prepares raw material for its use as primary energy carrier.                                                                                                                                                                                                      |
| [OEO:00020019](https://openenergyplatform.org/ontology/oeo/OEO_00020019)                                     | primary modelling purpose                      | A primary modelling purpose is a model descriptor stating the main purpose of a model.                                                                                                                                                                                                                           |
| [OEO:00360029](https://openenergyplatform.org/ontology/oeo/OEO_00360029)                                     | priority region                                | A priority region is a region of relevance that has the priority region role.                                                                                                                                                                                                                                    |
| [OEO:00360026](https://openenergyplatform.org/ontology/oeo/OEO_00360026)                                     | priority region role                           | A priority region role is a role of a region of interest that gives high priority to building wind park projects, excluding building projects that are not compatible with this priority.                                                                                                                        |
| [OEO:00360032](https://openenergyplatform.org/ontology/oeo/OEO_00360032)                                     | priority region with effect of suitable region | A priority region with effect of suitable region is a region of relevance that has both the priority region role and the suitable region role.                                                                                                                                                                   |
| [OEO:00090003](https://openenergyplatform.org/ontology/oeo/OEO_00090003)                                     | private funder                                 | A private funder is a funder that gives private money.                                                                                                                                                                                                                                                           |
| [OEO:00140006](https://openenergyplatform.org/ontology/oeo/OEO_00140006)                                     | private transport                              | A private transport is a passenger transport in which people use their own vehicle for movement e.g. bicycle, motorcycle and cars.                                                                                                                                                                               |
| [BFO:0000015](https://openenergyplatform.org/ontology/oeo/BFO_0000015)                                      | process                                        | p is a process = Def. p is an occurrent that has temporal proper parts and for some time t, p s-depends_on some material entity at t. (axiom label in BFO2 Reference: [083-003])                                                                                                                                 |
| [OEO:00030019](https://openenergyplatform.org/ontology/oeo/OEO_00030019)                                     | process attribute                              | A process attribute is a dependent occurrent that existentially depends on a process.                                                                                                                                                                                                                            |
| [BFO:0000035](https://openenergyplatform.org/ontology/oeo/BFO_0000035)                                      | process boundary                               | p is a process boundary =Def. p is a temporal part of a process & p has no proper temporal parts. (axiom label in BFO2 Reference: [084-001])                                                                                                                                                                     |
| [OEO:00360011](https://openenergyplatform.org/ontology/oeo/OEO_00360011)                                     | process climate neutrality                     | Process climate neutrality is a process attribute that conforms to some climate neutrality criteria.                                                                                                                                                                                                             |
| [BFO:0000144](https://openenergyplatform.org/ontology/oeo/BFO_0000144)                                      | process profile                                | b is a process_profile =Def. there is some process c such that b process_profile_of c (axiom label in BFO2 Reference: [093-002])                                                                                                                                                                                 |
| [OEO:00010334](https://openenergyplatform.org/ontology/oeo/OEO_00010334)                                     | process sustainability                         | Process sustainability is a process attribute that conforms to some sustainability criteria.                                                                                                                                                                                                                     |
| [OEO:00000045](https://openenergyplatform.org/ontology/oeo/OEO_00000045)                                     | producer                                       | A producer is an agent that makes goods.                                                                                                                                                                                                                                                                         |
| [OEO:00010501](https://openenergyplatform.org/ontology/oeo/OEO_00010501)                                     | product                                        | A product is a continuant that is either a good or a service product.                                                                                                                                                                                                                                            |
| [OEO:00240003](https://openenergyplatform.org/ontology/oeo/OEO_00240003)                                     | production                                     | Production is the transformation process of combining various inputs in order to create an output that is a good.                                                                                                                                                                                                |
| [OEO:00000339](https://openenergyplatform.org/ontology/oeo/OEO_00000339)                                     | program parameter                              | A program parameter is a variable in a software.                                                                                                                                                                                                                                                                 |
| [IAO:0000025](https://openenergyplatform.org/ontology/oeo/IAO_0000025)                                      | programming language                           | A language in which source code is written that is intended to be executed/run by a software interpreter. Programming languages are ways to write instructions that specify what to do, and sometimes, how to do it.                                                                                             |
| [OEO:00000340](https://openenergyplatform.org/ontology/oeo/OEO_00000340)                                     | project                                        | A project is a process to achieve a specified goal that is unique in the sum of its conditions like its goal, time and cost budget and its organisation.                                                                                                                                                         |
| [OEO:00020172](https://openenergyplatform.org/ontology/oeo/OEO_00020172)                                     | property cost                                  | A property cost is an investment cost arising from the acquisition of a property.                                                                                                                                                                                                                                |
| [OEO:00020251](https://openenergyplatform.org/ontology/oeo/OEO_00020251)                                     | propulsion                                     | Propulsion is an energy transformation that converts other forms of energy to translational kinetic energy.                                                                                                                                                                                                      |
| [OEO:00000341](https://openenergyplatform.org/ontology/oeo/OEO_00000341)                                     | prosumer                                       | A prosumer is an agent who is producer and consumer at the same time.                                                                                                                                                                                                                                            |
| [OEO:00240022](https://openenergyplatform.org/ontology/oeo/OEO_00240022)                                     | protected area                                 | A protected area is a region of relevance that has the protected area role.                                                                                                                                                                                                                                      |
| [OEO:00410013](https://openenergyplatform.org/ontology/oeo/OEO_00410013)                                     | protected area role                            | A protected area role is a role of a region of relevance recognised, dedicated and managed through legal or other effective means, to achieve the long term conservation of nature with associated ecosystem services and cultural values.                                                                       |
| [OEO:00410018](https://openenergyplatform.org/ontology/oeo/OEO_00410018)                                     | protected landscape area                       | A protected landscape area is a protected area that has the protected landscape area role, i.e. it is aimed at conserving and enhancing the natural and cultural landscape, while allowing for sustainable land use and recreational activities.                                                                 |
| [OEO:00410019](https://openenergyplatform.org/ontology/oeo/OEO_00410019)                                     | protected landscape area role                  | A protected landscape area role is a protected area role for areas, aimed at conserving and enhancing the natural and cultural landscape, while allowing for sustainable land use and recreational activities.                                                                                                   |
| [OEO:00140123](https://openenergyplatform.org/ontology/oeo/OEO_00140123)                                     | provider                                       | A provider is an agent that transfers commodities or services to other agents.                                                                                                                                                                                                                                   |
| [OEO:00010019](https://openenergyplatform.org/ontology/oeo/OEO_00010019)                                     | PtL fuel                                       | PtL fuel is a liquid synthetic fuel produced in a power-to-liquid system from water and carbon dioxide using electrical energy.                                                                                                                                                                                  |
| [OEO:00090002](https://openenergyplatform.org/ontology/oeo/OEO_00090002)                                     | public funder                                  | A public funder is a funder that gives public money.                                                                                                                                                                                                                                                             |
| [OEO:00140007](https://openenergyplatform.org/ontology/oeo/OEO_00140007)                                     | public transport                               | A public transport is a passenger transport in which a number of passengers share a common vehicle.                                                                                                                                                                                                              |
| [OEO:00010090](https://openenergyplatform.org/ontology/oeo/OEO_00010090)                                     | pump                                           | A pump is an energy converting component that converts energy into kinetic or potential energy of a fluid.                                                                                                                                                                                                       |
| [OEO:00020088](https://openenergyplatform.org/ontology/oeo/OEO_00020088)                                     | pumped hydro energy                            | Pumped hydro energy is hydro energy that results from a water flow of pumped water.                                                                                                                                                                                                                              |
| [OEO:00010089](https://openenergyplatform.org/ontology/oeo/OEO_00010089)                                     | pumped hydro storage power plant               | A pumped hydro storage power plant is a hydro storage power plant which has some pumps as parts.                                                                                                                                                                                                                 |
| [OEO:00010438](https://openenergyplatform.org/ontology/oeo/OEO_00010438)                                     | pumped hydro storage power technology          | A pumped hydro storage power technology is a power generation technology that describes how to combine hydro power units in pumped hydro storage power plants and a hydroelectric energy transformation.                                                                                                         |
| [OEO:00000345](https://openenergyplatform.org/ontology/oeo/OEO_00000345)                                     | pumped water                                   | Pumped water is liquid water which was pumped into an upper reservoir and thus contains potential energy.                                                                                                                                                                                                        |
| [OEO:00020115](https://openenergyplatform.org/ontology/oeo/OEO_00020115)                                     | purchasing power parity                        | Purchasing power parity is an economic value representing the ratio between currencies that equalises differences in monetary price levels between countries for the same set of goods.                                                                                                                          |
| [OEO:00000348](https://openenergyplatform.org/ontology/oeo/OEO_00000348)                                     | PV panel                                       | A PV panel (photovoltaic panel) is a solar power unit absorbing sunlight as a source of energy to generate electricity.                                                                                                                                                                                          |
| [OEO:00000349](https://openenergyplatform.org/ontology/oeo/OEO_00000349)                                     | Python                                         | Python is a programming language designed by Guido van Rossum and developed by the Python Software Foundation.                                                                                                                                                                                                   |

## Q

| ID                                                                                                                 | LABEL                  | definition                                                                                                                                                                                     |
|:-------------------------------------------------------------------------------------------------------------------|:-----------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00010329](https://openenergyplatform.org/ontology/oeo/OEO_00010329)                                                                                                       | qualitist              | A qualitist is an OEP user who mainly interacts with qualitative information.                                                                                                                  |
| [BFO:0000019](https://openenergyplatform.org/ontology/oeo/BFO_0000019)                                                                                                        | quality                | nan                                                                                                                                                                                            |
| [OEO:00140098](https://openenergyplatform.org/ontology/oeo/OEO_00140098)                                                                                                       | quality control flag   | A quality control flag is a data descriptor that describes the measurement quality of a data set, e.g. a time series.                                                                          |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01038 | quality transfer       | Quality transfer is a process in which one quality is decreased in one bearer and, causally interconnected, another quality that inheres in a different bearer is increased.                   |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01039 | quality transformation | Quality transformation is a process in which one quality is decreased, and, causally interconnected, one or more qualities are increased and all of these qualities inhere in the same bearer. |
| [OEO:00010330](https://openenergyplatform.org/ontology/oeo/OEO_00010330)                                                                                                       | quantitist             | A quantitist is an OEP user who mainly interacts with quantitative information.                                                                                                                |
| [OEO:00340062](https://openenergyplatform.org/ontology/oeo/OEO_00340062)                                                                                                       | quantity               | A quantity is a quality of a material entity where the magnitude  of the quality can be quantified via a quantity value, which means that it can be expressed as a number and a unit.          |
| [OEO:00000350](https://openenergyplatform.org/ontology/oeo/OEO_00000350)                                                                                                       | quantity value         | A quantity value is an information content entity defined by a numeral together with a unit of measurement to quantify an entity.                                                              |
| [OEO:00400073](https://openenergyplatform.org/ontology/oeo/OEO_00400073)                                                 | quarter-hourly         | one value per 15 minutes                                                                                                                                                                       |

## R

| ID                                                                                                                 | LABEL                                      | definition                                                                                                                                                                                                                                                                                                                                                                                                               |
|:-------------------------------------------------------------------------------------------------------------------|:-------------------------------------------|:-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00000351](https://openenergyplatform.org/ontology/oeo/OEO_00000351)                                                                                                       | R                                          | R is a programming language designed by Ross Ihaka and Robert Gentleman and the R Core Team.                                                                                                                                                                                                                                                                                                                             |
| [UO:0000123](https://openenergyplatform.org/ontology/oeo/UO_0000123)                                                                                                         | radian                                     | "A plane angle unit which is equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57 degrees 17 minutes and 44.6 seconds." [NIST:NIST]                                                                                                                                                                                                            |
| [UO:1000123](https://openenergyplatform.org/ontology/oeo/UO_1000123)                                                                                                         | radian based unit                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                      |
| https://raw.githubusercontent.com/stap-m/midlevel-energy-ontology/main/ontology/src/midlevel-energy.owl/MENO_01040 | radiation                                  | A radiation process is an energy transfer that transmits radiative energy as  electromagnetic waves. The transfer does not necessarily occur within a material entity.                                                                                                                                                                                                                                                   |
| [OEO:00020037](https://openenergyplatform.org/ontology/oeo/OEO_00020037)                                                                                                       | radiation                                  | Radiation is an energy transfer by emitting or transmitting energy in the form of waves or particles through a spatial region or a material entity.                                                                                                                                                                                                                                                                      |
| [OEO:00020040](https://openenergyplatform.org/ontology/oeo/OEO_00020040)                                                                                                       | radiative energy                           | Radiative energy is energy that has been transmitted by a radiation process.                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00320018](https://openenergyplatform.org/ontology/oeo/OEO_00320018)                                                                                                       | rail network                               | A rail network is a transport network that enables transport on rails.                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00320025](https://openenergyplatform.org/ontology/oeo/OEO_00320025)                                                                                                       | railway                                    | A railway is a transport network component that can only be used by trains.                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00260001](https://openenergyplatform.org/ontology/oeo/OEO_00260001)                                                                                                       | ramping                                    | Ramping is a process attribute that describes the change in power of an energy transformation unit or an energy converting component per time step.                                                                                                                                                                                                                                                                      |
| [UO:0000280](https://openenergyplatform.org/ontology/oeo/UO_0000280)                                                                                                         | rate unit                                  | "A unit which represents a standard measurement occurrence of a process per unit time." [UOC:GVG]                                                                                                                                                                                                                                                                                                                        |
| [OEO:00410068](https://openenergyplatform.org/ontology/oeo/OEO_00410068)                                                                                                       | rated voltage                              | Rated voltage is a Performance Specification that prescribes the intended operating voltage of some electrical artifact.                                                                                                                                                                                                                                                                                                 |
| [UO:0010006](https://openenergyplatform.org/ontology/oeo/UO_0010006)                                                                                                         | ratio                                      | "A dimensionless ratio unit which, given a pair of quantities a and b, for which b is a multiple of a, denotes b by giving the multiplier (coefficient) c for a to result in b." [UOB:LKSR]                                                                                                                                                                                                                              |
| [UO:0000190](https://openenergyplatform.org/ontology/oeo/UO_0000190)                                                                                                         | ratio unit                                 | "A dimensionless unit which denotes an amount or magnitude of one quantity relative to another." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                   |
| [BFO:0000017](https://openenergyplatform.org/ontology/oeo/BFO_0000017)                                                                                                        | realizable entity                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00140120](https://openenergyplatform.org/ontology/oeo/OEO_00140120)                                                                                                       | receiver                                   | A receiver is an agent who obtains information from a sender.                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00400021](https://openenergyplatform.org/ontology/oeo/OEO_00400021)                                                                                                       | recognised ignorance                       | Recognised ignorance is a level of model uncertainty at which one isn't able to enumerate multiple alternatives, while admitting the possibility of being surprised.                                                                                                                                                                                                                                                     |
| [OEO:00310005](https://openenergyplatform.org/ontology/oeo/OEO_00310005)                                                                                                       | recovered heat                             | Recovered heat is a thermal energy that is physical output of an energy transformation process and that is recovered and would otherwise be emitted in the environment as waste thermal energy.                                                                                                                                                                                                                          |
| [OEO:00360001](https://openenergyplatform.org/ontology/oeo/OEO_00360001)                                                                                                       | recycling                                  | Recycling is a material transformation that regains materials and/or energy from an artificial product or waste.                                                                                                                                                                                                                                                                                                         |
| [OEO:00010389](https://openenergyplatform.org/ontology/oeo/OEO_00010389)                                                                                                       | RED sector: electricity                    | The RED sector electricity is an electricity sector defined by the Renewable Energy Directive sector division.                                                                                                                                                                                                                                                                                                           |
| [OEO:00010390](https://openenergyplatform.org/ontology/oeo/OEO_00010390)                                                                                                       | RED sector: heating and cooling            | The RED sector heating and cooling is a heating and cooling sector defined by the Renewable Energy Directive sector division.                                                                                                                                                                                                                                                                                            |
| [OEO:00010391](https://openenergyplatform.org/ontology/oeo/OEO_00010391)                                                                                                       | RED sector: transport                      | The RED sector transport is a transport sector defined by the Renewable Energy Directive sector division.                                                                                                                                                                                                                                                                                                                |
| [OEO:00140034](https://openenergyplatform.org/ontology/oeo/OEO_00140034)                                                                                                       | redox reaction                             | A redox reaction is a chemical reaction in which the oxidation of one reactant is coupled to the reduction of a second reactant.                                                                                                                                                                                                                                                                                         |
| [OEO:00140036](https://openenergyplatform.org/ontology/oeo/OEO_00140036)                                                                                                       | reduction                                  | Reduction is a chemical reaction that describes the gain of electrons of an atom, an ion, or of certain atoms in a molecule and is a part of a redox reaction.                                                                                                                                                                                                                                                           |
| [OEO:00000353](https://openenergyplatform.org/ontology/oeo/OEO_00000353)                                                                                                       | reference                                  | A reference is an information content entity naming a relevant document, position in a document or address.                                                                                                                                                                                                                                                                                                              |
| [OEO:00020313](https://openenergyplatform.org/ontology/oeo/OEO_00020313)                                                                                                       | reference role                             | A role of an information content entity, that indicates a benchmark, e.g. in a comparison.                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020314](https://openenergyplatform.org/ontology/oeo/OEO_00020314)                                                                                                       | reference scenario                         | A reference scenario is a scenario that is used as a reference, e.g. in a scenario comparison. It has the reference role.                                                                                                                                                                                                                                                                                                |
| [OEO:00010326](https://openenergyplatform.org/ontology/oeo/OEO_00010326)                                                                                                       | refinery gas                               | Refinery gas is a gas mixture that is produced as a by-product of a mineral oil refining process. It mainly consists of hydrogen, methane, ethane and olefins and can be used as a fuel.                                                                                                                                                                                                                                 |
| [OEO:00360020](https://openenergyplatform.org/ontology/oeo/OEO_00360020)                                                                                                       | region of relevance                        | A region of relevance is a spatial region that is used in a study or analysis, or is part of spatial planning.                                                                                                                                                                                                                                                                                                           |
| [OEO:00340006](https://openenergyplatform.org/ontology/oeo/OEO_00340006)                                                                                                       | regionalisation                            | Regionalisation is a methodology to calculate spatially distributed energy producers and consumers with the aim to highlight regional differences in energy supply and potentials, particularly related to renewable energies.                                                                                                                                                                                           |
| [OEO:00010458](https://openenergyplatform.org/ontology/oeo/OEO_00010458)                                                                                                       | regulatory instrument                      | A regulatory instrument is a policy instrument that stipulates rules made by a government (=institution) to control the way something is done.                                                                                                                                                                                                                                                                           |
| [OEO:00010495](https://openenergyplatform.org/ontology/oeo/OEO_00010495)                                                                                                       | regulatory instrument function             | An regulatory instrument function is a function of a policy instrument that promotes, amongst others, regulatory measures.                                                                                                                                                                                                                                                                                               |
| [BFO:0000145](https://openenergyplatform.org/ontology/oeo/BFO_0000145)                                                                                                        | relational quality                         | b is a relational quality = Def. for some independent continuants c, d and for some time t: b quality_of c at t & b quality_of d at t. (axiom label in BFO2 Reference: [057-001])                                                                                                                                                                                                                                        |
| [OEO:00020423](https://openenergyplatform.org/ontology/oeo/OEO_00020423)                                                                                                       | relational quantity value                  | A relational quantity value is a quantity value that quantifies two or more quantities in relation to each other.                                                                                                                                                                                                                                                                                                        |
| [OEO:00020125](https://openenergyplatform.org/ontology/oeo/OEO_00020125)                                                                                                       | remuneration                               | A remuneration is a quantity value that describes a financial compensation provided in exchange for services performed.                                                                                                                                                                                                                                                                                                  |
| [OEO:00030004](https://openenergyplatform.org/ontology/oeo/OEO_00030004)                                                                                                       | renewable                                  | Renewable is an origin of energies that replenish on a human time scale.                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010384](https://openenergyplatform.org/ontology/oeo/OEO_00010384)                                                                                                       | renewable electrical energy                | Renewable electrical energy is electrical energy with a renewable origin.                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010380](https://openenergyplatform.org/ontology/oeo/OEO_00010380)                                                                                                       | renewable electrolytic hydrogen            | Renewable electrolytic hydrogen is electrolytic hydrogen that is produced with renewable electrical energy.                                                                                                                                                                                                                                                                                                              |
| [OEO:00020085](https://openenergyplatform.org/ontology/oeo/OEO_00020085)                                                                                                       | renewable energy                           | A renewable energy is an energy that has renewable origin.                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020050](https://openenergyplatform.org/ontology/oeo/OEO_00020050)                                                                                                       | renewable energy carrier                   | A renewable energy carrier is an energy carrier that has a renewable energy carrier disposition.                                                                                                                                                                                                                                                                                                                         |
| [OEO:00020086](https://openenergyplatform.org/ontology/oeo/OEO_00020086)                                                                                                       | renewable energy carrier disposition       | A renewable energy carrier disposition is an energy carrier disposition of an material entity that contains renewable energy.                                                                                                                                                                                                                                                                                            |
| [OEO:00000355](https://openenergyplatform.org/ontology/oeo/OEO_00000355)                                                                                                       | Renewable Energy Directive sector division | The Renewable Energy Directive sector division is a sector division used in the Renewable Energy Directive of the European Union.                                                                                                                                                                                                                                                                                        |
| [OEO:00140133](https://openenergyplatform.org/ontology/oeo/OEO_00140133)                                                                                                       | renewable energy share                     | A renewable energy share is a process attribute that indicates the fraction of renewable energy related to the total energy of an energy generation or consumption process.                                                                                                                                                                                                                                              |
| [OEO:00020255](https://openenergyplatform.org/ontology/oeo/OEO_00020255)                                                                                                       | renewable energy share value               | A renewable energy share value is a fraction value that quantifies a share of renewable energy (RE-share)                                                                                                                                                                                                                                                                                                                |
| [OEO:00010388](https://openenergyplatform.org/ontology/oeo/OEO_00010388)                                                                                                       | renewable energy transformation function   | A renewable energy function is the energy transformation function to transform renewable energy.                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000033](https://openenergyplatform.org/ontology/oeo/OEO_00000033)                                                                                                       | renewable fuel                             | A renewable fuel is a fuel that has a renewable origin and an renewable energy carrier disposition                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010362](https://openenergyplatform.org/ontology/oeo/OEO_00010362)                                                                                                       | renewable power plant                      | A renewable power plant is a power plant that has renewable power units as parts.                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010361](https://openenergyplatform.org/ontology/oeo/OEO_00010361)                                                                                                       | renewable power unit                       | A renewable power unit is a power generating unit that has the function to transform renewable energy.                                                                                                                                                                                                                                                                                                                   |
| [IAO:0000088](https://openenergyplatform.org/ontology/oeo/IAO_0000088)                                                                                                        | report                                     | A document assembled by an author for the purpose of providing information for the audience. A report is the output of a documenting process and has the objective to be consumed by a specific audience. Topic of the report is on something that has completed. A report is not a single figure. Examples of reports are journal article, patent application, grant progress report, case report (not patient record). |
| [OEO:00040006](https://openenergyplatform.org/ontology/oeo/OEO_00040006)                                                                                                       | request                                    | A request is a process whereby an agent asks another agent for something or to do something.                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010084](https://openenergyplatform.org/ontology/oeo/OEO_00010084)                                                                                                       | reservoir                                  | A reservoir is an artificial object that stores liquid water and has a dam as part.                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010094](https://openenergyplatform.org/ontology/oeo/OEO_00010094)                                                                                                       | reservoir hydro storage power plant        | A reservoir hydro storage power plant is a hydro storage power plant that has no pump.                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010433](https://openenergyplatform.org/ontology/oeo/OEO_00010433)                                                                                                       | reservoir hydro storage power technology   | A reservoir hydro storage power technology is a power generation technology that describes how to combine hydro power units in reservoir hydro storage power plants and a hydroelectric energy transformation.                                                                                                                                                                                                           |
| [OEO:00360015](https://openenergyplatform.org/ontology/oeo/OEO_00360015)                                                                                                       | resilience                                 | Resilience is a disposition of a system that represents the capacity of a system to absorb disturbance and reorganize so as to retain essentially the same function, structure, and feedbacks.                                                                                                                                                                                                                           |
| [OEO:00020121](https://openenergyplatform.org/ontology/oeo/OEO_00020121)                                                                                                       | resolution                                 | Resolution is a quality of a dataset that indicates the level of detail of the data.                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010093](https://openenergyplatform.org/ontology/oeo/OEO_00010093)                                                                                                       | river                                      | A river is a water body that moves through permanent or seasonal flow process from elevated land towards lower elevations through a definite channel and empties either into a sea, lake, or another river or ends on land as bed seepage and evapotranspiration exceed water supply.                                                                                                                                    |
| [OEO:00320022](https://openenergyplatform.org/ontology/oeo/OEO_00320022)                                                                                                       | road                                       | A road is a transport network component with an artificial surface that allows transport for road vehicles.                                                                                                                                                                                                                                                                                                              |
| [OEO:00320017](https://openenergyplatform.org/ontology/oeo/OEO_00320017)                                                                                                       | road network                               | A road network is a transport network that enables transport on roads.                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010274](https://openenergyplatform.org/ontology/oeo/OEO_00010274)                                                                                                       | road vehicle                               | A road vehicle is a vehicle that uses roads.                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020411](https://openenergyplatform.org/ontology/oeo/OEO_00020411)                                                                                                       | robust system scenario                     | A robust system scenario is an explorative scenario that describes an energy system that is designed to evolve in a robust way.                                                                                                                                                                                                                                                                                          |
| [OEO:00020058](https://openenergyplatform.org/ontology/oeo/OEO_00020058)                                                                                                       | rock                                       | A rock is a portion of matter that is a naturally occurring solid aggregate of minerals or mineraloid matter that is part of the earth's crust.                                                                                                                                                                                                                                                                          |
| [OEO:00410011](https://openenergyplatform.org/ontology/oeo/OEO_00410011)                                                                                                       | ROG                                        | The ROG is a legislation providing the legal framework for spatial planning in Germany.                                                                                                                                                                                                                                                                                                                                  |
| [BFO:0000023](https://openenergyplatform.org/ontology/oeo/BFO_0000023)                                                                                                        | role                                       | nan                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000361](https://openenergyplatform.org/ontology/oeo/OEO_00000361)                                                                                                       | rooftop photovoltaic power plant           | A rooftop photovoltaic power plant is a photovoltaic power plant that is installed on top of the roof of a building.                                                                                                                                                                                                                                                                                                     |
| [OEO:00310009](https://openenergyplatform.org/ontology/oeo/OEO_00310009)                                                                                                       | rotary heat exchanger                      | A rotary heat exchanger is a heat exchanger that uses a wheel for a heat transfer process.                                                                                                                                                                                                                                                                                                                               |
| [OEO:00240000](https://openenergyplatform.org/ontology/oeo/OEO_00240000)                                                                                                       | rotational energy                          | Rotational energy is the kinetic energy that a material entity possesses due to its rotational motion.                                                                                                                                                                                                                                                                                                                   |
| [UO:0000058](https://openenergyplatform.org/ontology/oeo/UO_0000058)                                                                                                         | rotational frequency unit                  | "A unit which is a standard measure of the number of rotations in a given time." [NIST:NIST]                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020144](https://openenergyplatform.org/ontology/oeo/OEO_00020144)                                                                                                       | rotor diameter                             | Rotor diameter is a quality of a wind energy converting unit that measures the diameter of the wind rotor.                                                                                                                                                                                                                                                                                                               |
| [OEO:00000362](https://openenergyplatform.org/ontology/oeo/OEO_00000362)                                                                                                       | Ruby                                       | Ruby is a programming language designed by Yukihiro Matsumoto.                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00390030](https://openenergyplatform.org/ontology/oeo/OEO_00390030)                                                                                                       | run multi-criteria decision analysis       | Run multi-criteria secision analysis is an action specification that describes how a multi-criteria decision analysis (MCDA) method is applied to areas where exclusions are not absolute (soft exclusion criteria), allowing for weighted decision-making.                                                                                                                                                              |
| [OEO:00010087](https://openenergyplatform.org/ontology/oeo/OEO_00010087)                                                                                                       | run of river power plant                   | A run of river power plant is a hydro power plant that uses the momentarily available hydro energy of a river. It has either no reservoir or just has a small one with a maximum of 24 hours of storage.                                                                                                                                                                                                                 |
| [OEO:00010432](https://openenergyplatform.org/ontology/oeo/OEO_00010432)                                                                                                       | run of river power technology              | A reservoir hydro storage power technology is a power generation technology that describes how to combine hydro power units in run of river power plant and a hydroelectric energy transformation.                                                                                                                                                                                                                       |
| [OEO:00230015](https://openenergyplatform.org/ontology/oeo/OEO_00230015)                                                                                                       | rural population                           | A rural population is a population living in rural areas, as defined by national statistical offices.                                                                                                                                                                                                                                                                                                                    |

## S

| ID                                                                    | LABEL                                           | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|:----------------------------------------------------------------------|:------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00020355](https://openenergyplatform.org/ontology/oeo/OEO_00020355)                                                          | scale model                                     | A scale model is model comprising of a spatial pattern of components arranged in such a way for them to represent a system.                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000364](https://openenergyplatform.org/ontology/oeo/OEO_00000364)                                                          | scenario                                        | A scenario is an information content entity that contains statements about a possible future development based on a coherent and internally consistent set of assumptions and their motivation.                                                                                                                                                                                                                                                                                                                |
| [OEO:00020227](https://openenergyplatform.org/ontology/oeo/OEO_00020227)                                                          | scenario bundle                                 | A scenario bundle is an information content entity that connects information about a scenario study and the associated scenario projections on the OEP via the OEKG.                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000365](https://openenergyplatform.org/ontology/oeo/OEO_00000365)                                                          | scenario factsheet                              | A scenario factsheet is a factsheet that contains information about a scenario.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020098](https://openenergyplatform.org/ontology/oeo/OEO_00020098)                                                          | scenario horizon                                | A scenario horizon is a time step that is under investigation and consists entirely of one or more scenario years.                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00010262](https://openenergyplatform.org/ontology/oeo/OEO_00010262)                                                          | scenario projection                             | A scenario projection is an intentional process in which output (endogenous) data of interest are quantified for future points in time using one or more model calculation based on a scenario.                                                                                                                                                                                                                                                                                                                |
| [OEO:00360003](https://openenergyplatform.org/ontology/oeo/OEO_00360003)                                                          | scenario projection comparison                  | A scenario comparison study is a scenario study that performs a scenario projection comparison                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010252](https://openenergyplatform.org/ontology/oeo/OEO_00010252)                                                          | scenario study                                  | A scenario study is a study that investigates one or more scenarios.                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020101](https://openenergyplatform.org/ontology/oeo/OEO_00020101)                                                          | scenario time series                            | A scenario time series is a time series that contains data about a specific scenario year.                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00020097](https://openenergyplatform.org/ontology/oeo/OEO_00020097)                                                          | scenario year                                   | A scenario year is a time step that has a duration of one year and is part of a scenario horizon.                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00280017](https://openenergyplatform.org/ontology/oeo/OEO_00280017)                                                          | SCIG wind energy converting unit                | A SCIG wind energy converting unit is a wind energy converting unit that has a squirrel-cage induction generator as part.                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000010](https://openenergyplatform.org/ontology/oeo/UO_0000010)                                                            | second                                          | "A time unit which is equal to the duration of 9 192 631 770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom." [BIPM:BIPM, NIST:NIST]                                                                                                                                                                                                                                                                                    |
| [UO:1000010](https://openenergyplatform.org/ontology/oeo/UO_1000010)                                                            | second based unit                               | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00160003](https://openenergyplatform.org/ontology/oeo/OEO_00160003)                                                          | secondary control                               | A secondary control is a frequency control that is centralised and automated. It refers to the control area of one transmission system operator. Secondary control succeeds primary control and operates for several minutes.                                                                                                                                                                                                                                                                                  |
| [OEO:00140079](https://openenergyplatform.org/ontology/oeo/OEO_00140079)                                                          | secondary energy carrier                        | A secondary energy carrier is an energy carrier that has the secondary energy carrier disposition.                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00140076](https://openenergyplatform.org/ontology/oeo/OEO_00140076)                                                          | secondary energy carrier disposition            | Secondary energy carrier disposition is an energy carrier disposition of material entities that are manufactured from primary energy carriers or from a different form of secondary energy carriers.                                                                                                                                                                                                                                                                                                           |
| [OEO:00010127](https://openenergyplatform.org/ontology/oeo/OEO_00010127)                                                          | secondary energy production                     | Secondary energy production is the production of secondary energy carriers.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000367](https://openenergyplatform.org/ontology/oeo/OEO_00000367)                                                          | sector                                          | A sector is generically dependent continuant that is a subdivision of a system.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020408](https://openenergyplatform.org/ontology/oeo/OEO_00020408)                                                          | sector coupling                                 | Sector coupling is a process of connecting processes from the electricity, heat, mobility or industrial sectors as well as their infrastructures.                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020407](https://openenergyplatform.org/ontology/oeo/OEO_00020407)                                                          | sector coupling technology                      | A sector coupling technology is a technology that intends to connect processes from the electricity, heat, mobility or industrial sectors, as well as their infrastructures.                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000368](https://openenergyplatform.org/ontology/oeo/OEO_00000368)                                                          | sector division                                 | A sector division is a specific way to subdivide a system.                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00390107](https://openenergyplatform.org/ontology/oeo/OEO_00390107)                                                          | sector focused scenario                         | A sector focused scenario is a scenario that focuses on a specific sector.                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010314](https://openenergyplatform.org/ontology/oeo/OEO_00010314)                                                          | sectoral emission                               | A sectoral emission is an emission caused by a certain sector.                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010313](https://openenergyplatform.org/ontology/oeo/OEO_00010313)                                                          | sectoral energy consumption                     | A sectoral energy consumption is the energy use of a sector.                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00390039](https://openenergyplatform.org/ontology/oeo/OEO_00390039)                                                          | select appropriate turbine types                | Select appropriate turbine types is an action specification that describes the process of choosing wind turbine models based on site-specific wind characteristics, hub height, and rotor diameter.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns.                                                                                                                                                                                                 |
| [OEO:00390028](https://openenergyplatform.org/ontology/oeo/OEO_00390028)                                                          | select exclusion criteria                       | Select exclusion criteria is an action specification that describes the process of defining physical, environmental, and regulatory criteria that exclude areas from wind farm development, along with the application of buffer zones.                                                                                                                                                                                                                                                                        |
| [OEO:00140119](https://openenergyplatform.org/ontology/oeo/OEO_00140119)                                                          | sender                                          | A sender is an agent who initiates a communication.                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00310038](https://openenergyplatform.org/ontology/oeo/OEO_00310038)                                                          | sensible fluid heat storage object              | A sensible fluid heat storage object is a sensible heat storage that uses fluids (like water, oil, …) to store thermal energy.                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00310037](https://openenergyplatform.org/ontology/oeo/OEO_00310037)                                                          | sensible heat storage object                    | A sensible heat storage object is a thermal energy storage object that stores thermal energy through temperature changes in some medium.                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00310039](https://openenergyplatform.org/ontology/oeo/OEO_00310039)                                                          | sensible solid heat storage object              | A sensible solid heat storage object is a sensible heat storage that uses solid materials (like bulk goods, powder, …) to store thermal energy.                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010051](https://openenergyplatform.org/ontology/oeo/OEO_00010051)                                                          | sensitivity analysis                            | A sensitivity analysis is the process of comparing different model calculations based on a variation of input parameters (exogenous data items).                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140124](https://openenergyplatform.org/ontology/oeo/OEO_00140124)                                                          | service                                         | A service is a process that is an intangible activity performed by some agent for the benefit of another agent.                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00360019](https://openenergyplatform.org/ontology/oeo/OEO_00360019)                                                          | service product                                 | A service product is an immaterial entity that has the service product role.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00360018](https://openenergyplatform.org/ontology/oeo/OEO_00360018)                                                          | service product role                            | A service product role is the role of an immaterial entity that is the result of a service process, and whose value is determined by the value and the costs of the service.                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00310001](https://openenergyplatform.org/ontology/oeo/OEO_00310001)                                                          | sewage plant                                    | A sewage plant is an artificial object that removes contaminants from wastewater to produce an effluent that is suitable for discharge to the surrounding environment or an intended reuse application.                                                                                                                                                                                                                                                                                                        |
| [OEO:00400018](https://openenergyplatform.org/ontology/oeo/OEO_00400018)                                                          | shallow uncertainty                             | Shallow uncertainty is a level of model uncertainty at which one can enumerate multiple alternatives and provide probabilites(subjective or objective) for them.                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010286](https://openenergyplatform.org/ontology/oeo/OEO_00010286)                                                          | ship                                            | A ship is a watercraft of significant size that is driving on the water surface.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [UO:0000264](https://openenergyplatform.org/ontology/oeo/UO_0000264)                                                            | siemens                                         | "An electrical conduction unit which is equal to A/V." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:1000264](https://openenergyplatform.org/ontology/oeo/UO_1000264)                                                            | siemens based unit                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000370](https://openenergyplatform.org/ontology/oeo/OEO_00000370)                                                          | simulation                                      | A simulation is a model calculation that simulates a process or system behaviour from the real world.                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00420001](https://openenergyplatform.org/ontology/oeo/OEO_00420001)                                                          | simulation configuration                        | A simulation configuration is a plan specification that describes the technical setup containing simulation components, their connections, and all the exogeneous data necessary to be realised in a simulation process.                                                                                                                                                                                                                                                                                       |
| [OEO:00000371](https://openenergyplatform.org/ontology/oeo/OEO_00000371)                                                          | simulation model                                | A simulation model is a model that simulates the behaviour of a system without a target function.                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00420000](https://openenergyplatform.org/ontology/oeo/OEO_00420000)                                                          | simulation plan specification                   | A simulation scenario is a plan specification that references a simulation configuration and contains objective specifications to motivate the planned analysis.                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010399](https://openenergyplatform.org/ontology/oeo/OEO_00010399)                                                          | single axis tracked receiving surface           | A single axis tracked receiving surface is a solar radiation receiving surface that participates in single axis tracking.                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010396](https://openenergyplatform.org/ontology/oeo/OEO_00010396)                                                          | single axis tracking                            | Single axis tracking is solar tracking in which a radiation receiving surface is following the path of the sun by roting along a fixed axis. Typical axis orientations are North-South or East-West.                                                                                                                                                                                                                                                                                                           |
| [OEO:00000372](https://openenergyplatform.org/ontology/oeo/OEO_00000372)                                                          | single node model                               | A single node model is a model where a region is represented as a single node.                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020210](https://openenergyplatform.org/ontology/oeo/OEO_00020210)                                                          | sirup                                           | A sirup is a portion of matter that consists mainly of water and sugar. It has a liquid state of matter.                                                                                                                                                                                                                                                                                                                                                                                                       |
| [BFO:0000029](https://openenergyplatform.org/ontology/oeo/BFO_0000029)                                                           | site                                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00340068](https://openenergyplatform.org/ontology/oeo/OEO_00340068)                                                          | size                                            | Size is a quantity of an entity that quantifies its spatial extend.                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00290001](https://openenergyplatform.org/ontology/oeo/OEO_00290001)                                                          | slope                                           | A slope is a quantity value with a plane angle unit that measures the angle between the plane of a surface and the horizontal plane.                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020155](https://openenergyplatform.org/ontology/oeo/OEO_00020155)                                                          | social cost of carbon emission                  | Social cost of carbon emission is the cost the society bears for a greenhouse gas emission value.                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020181](https://openenergyplatform.org/ontology/oeo/OEO_00020181)                                                          | social cost of emission                         | Social cost of emission is the cost the society bears for an emission value.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000376](https://openenergyplatform.org/ontology/oeo/OEO_00000376)                                                          | sodium-ion battery                              | A sodium-ion battery is a rechargeable metal-ion battery that uses sodium ions as charge carriers.                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00000377](https://openenergyplatform.org/ontology/oeo/OEO_00000377)                                                          | sodium-sulphur battery                          | A sodium–sulphur battery is a type of molten-salt battery constructed from liquid sodium (Na) and sulphur (S). This type of battery has a high energy density, high efficiency of charge/discharge and long cycle life, and is fabricated from inexpensive materials. The operating temperatures of 300 to 350 °C and the highly corrosive nature of the sodium polysulphides, primarily make them suitable for stationary energy storage applications. The cell becomes more economical with increasing size. |
| [IAO:0000010](https://openenergyplatform.org/ontology/oeo/IAO_0000010)                                                           | software                                        | Software is a plan specification composed of a series of instructions that can be <br>interpreted by or directly executed by a processing unit.                                                                                                                                                                                                                                                                                                                                                                |
| [IAO:0000594](https://openenergyplatform.org/ontology/oeo/IAO_0000594)                                                           | software application                            | A software application is software that can be directly executed by some processing unit.                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000378](https://openenergyplatform.org/ontology/oeo/OEO_00000378)                                                          | software descriptor                             | A software descriptor is an information content entity that contains additional information about the software.                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00000379](https://openenergyplatform.org/ontology/oeo/OEO_00000379)                                                          | software developer                              | A software developer is an agent that creates computer software.                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000380](https://openenergyplatform.org/ontology/oeo/OEO_00000380)                                                          | software documentation                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000382](https://openenergyplatform.org/ontology/oeo/OEO_00000382)                                                          | software framework                              | A software framework is a Software that is generic and can be adapted to a specific application.                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00000239](https://openenergyplatform.org/ontology/oeo/OEO_00000239)                                                          | software interface                              | A software interface is a software that enables an agent to interact with it.                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [IAO:0000593](https://openenergyplatform.org/ontology/oeo/IAO_0000593)                                                           | software library                                | A software library is software composed of a collection of software modules and/or software methods in a form that can be statically or dynamically linked to some software application.                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020187](https://openenergyplatform.org/ontology/oeo/OEO_00020187)                                                          | software licence                                | A software licence is a copyright licence that determines ownership and permissions for software, code, or models.                                                                                                                                                                                                                                                                                                                                                                                             |
| [IAO:0000591](https://openenergyplatform.org/ontology/oeo/IAO_0000591)                                                           | software method                                 | A software method (also called subroutine, subprogram, procedure, method, function, or routine) is software designed to execute a specific task.                                                                                                                                                                                                                                                                                                                                                               |
| [IAO:0000592](https://openenergyplatform.org/ontology/oeo/IAO_0000592)                                                           | software module                                 | A software module is software composed of a collection of software methods.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [IAO:0000595](https://openenergyplatform.org/ontology/oeo/IAO_0000595)                                                           | software script                                 | A software script is software whose instructions can be executed using a software interpreter.                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00410031](https://openenergyplatform.org/ontology/oeo/OEO_00410031)                                                          | soil quality role                               | A soil quality role is a role inherent in a region of relevance reflecting how well a soil, that is part of the bearer, performs the functions of maintaining biodiversity and productivity, partitioning water and solute flow, filtering and buffering, nutrient cycling, and providing support for plants and other structures.                                                                                                                                                                             |
| [OEO:00010081](https://openenergyplatform.org/ontology/oeo/OEO_00010081)                                                          | solar chemical energy transformation            | A solar chemical energy transformation is a solar energy transformation that converts solar energy into chemical energy.                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00010419](https://openenergyplatform.org/ontology/oeo/OEO_00010419)                                                          | solar electrical energy                         | Solar electrical energy is electrical energy that is energy output of a solar energy transformation.                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010418](https://openenergyplatform.org/ontology/oeo/OEO_00010418)                                                          | solar electrolytic hydrogen                     | Solar electrolytic hydrogen is electrolytic hydrogen that is produced with solar electrical energy.                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000384](https://openenergyplatform.org/ontology/oeo/OEO_00000384)                                                          | solar energy                                    | Solar energy is radiative energy of the sun.                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020046](https://openenergyplatform.org/ontology/oeo/OEO_00020046)                                                          | solar energy transformation                     | Solar energy transformation is an energy transformation that converts solar energy.                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00310047](https://openenergyplatform.org/ontology/oeo/OEO_00310047)                                                          | solar heat plant                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00310048](https://openenergyplatform.org/ontology/oeo/OEO_00310048)                                                          | solar heat unit                                 | A solar heat unit is a heat generating unit that has a solar collector.                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000386](https://openenergyplatform.org/ontology/oeo/OEO_00000386)                                                          | solar power plant                               | A solar power plant is a power plant that has solar power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010427](https://openenergyplatform.org/ontology/oeo/OEO_00010427)                                                          | solar power technology                          | A solar power technology is a power generation technology that describes how to combine solar power units in an electricity generation process with solar energy as input.                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000034](https://openenergyplatform.org/ontology/oeo/OEO_00000034)                                                          | solar power unit                                | A solar power unit is a power generating unit using solar power.                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020038](https://openenergyplatform.org/ontology/oeo/OEO_00020038)                                                          | solar radiation                                 | Solar radiation is radiation that is emitted by the sun.                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020199](https://openenergyplatform.org/ontology/oeo/OEO_00020199)                                                          | solar radiation receiving surface               | A solar radiation receiving surface is a surface that is receiving solar energy via solar radiation.                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020200](https://openenergyplatform.org/ontology/oeo/OEO_00020200)                                                          | solar receiving object                          | A solar receiving object is an artificial object that has a solar radiation receiving surface as part.                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000387](https://openenergyplatform.org/ontology/oeo/OEO_00000387)                                                          | solar thermal collector                         | A solar thermal collector is a heater that converts solar energy to solar thermal energy.                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000388](https://openenergyplatform.org/ontology/oeo/OEO_00000388)                                                          | solar thermal energy                            | Solar thermal energy is thermal energy that is the physical output of a solar thermal energy transformation.                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020047](https://openenergyplatform.org/ontology/oeo/OEO_00020047)                                                          | solar thermal energy transformation             | Solar thermal energy transformation is a solar energy transformation that converts solar energy into thermal energy.                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00020307](https://openenergyplatform.org/ontology/oeo/OEO_00020307)                                                          | solar thermal heat technology                   | A solar thermal heat technology is a heat generation technology that describes how to combine solar heat units, solar thermal energy transformation processes, energy carriers and energy in a specific way.                                                                                                                                                                                                                                                                                                   |
| [OEO:00000389](https://openenergyplatform.org/ontology/oeo/OEO_00000389)                                                          | solar thermal power plant                       | A solar thermal power plant is a solar power plant that has solar thermal power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010429](https://openenergyplatform.org/ontology/oeo/OEO_00010429)                                                          | solar thermal power technology                  | A solar thermal power technology is a power generation technology that describes how to combine solar thermal power units in an electricity generation process with solar energy as input.                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000035](https://openenergyplatform.org/ontology/oeo/OEO_00000035)                                                          | solar thermal power unit                        | A solar thermal power unit is a solar power unit that has solar thermal collectors as parts.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010398](https://openenergyplatform.org/ontology/oeo/OEO_00010398)                                                          | solar tracked receiving surface                 | A solar tracked receiving surface is a solar radiation receiving surface that participates in solar tracking.                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00010395](https://openenergyplatform.org/ontology/oeo/OEO_00010395)                                                          | solar tracking                                  | Solar tracking is a process in which a radiation receiving surface is following the path of the sun on the sky.                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010080](https://openenergyplatform.org/ontology/oeo/OEO_00010080)                                                          | solar-steam-electric process                    | A solar-steam-electric process is a solar energy transformation that converts solar energy into electrical energy. It has two partial processes: a solar thermal energy transformation and a steam-electric process.                                                                                                                                                                                                                                                                                           |
| [OEO:00000390](https://openenergyplatform.org/ontology/oeo/OEO_00000390)                                                          | solid                                           | The state of being solid. A portion of matter is in solid state if and only if it has a definite shape and volume (at a given temperature and pressure).                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00000332](https://openenergyplatform.org/ontology/oeo/OEO_00000332)                                                          | solid biofuel                                   | Solid biomass is a portion of matter consisting of organic, non-fossil material of biological origin which may be used as fuel for heat production or electricity generation.                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000036](https://openenergyplatform.org/ontology/oeo/OEO_00000036)                                                          | solid biomass power plant                       | A solid biomass power plant is a biofuel power plant that has solid biomass power units as parts.                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00000037](https://openenergyplatform.org/ontology/oeo/OEO_00000037)                                                          | solid biomass power unit                        | A solid biomass power unit is a biomass power unit using solid biomass as fuel.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00010144](https://openenergyplatform.org/ontology/oeo/OEO_00010144)                                                          | solid combustion fuel                           | A solid combustion fuel is a combustion fuel that has a solid state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00000391](https://openenergyplatform.org/ontology/oeo/OEO_00000391)                                                          | solid fossil fuel                               | A solid fossil fuel is a fossil fuel that has a solid state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010149](https://openenergyplatform.org/ontology/oeo/OEO_00010149)                                                          | solid renewable fuel                            | A solid renewable fuel is a renewable fuel that has a solid state of matter under normal conditions.                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00010154](https://openenergyplatform.org/ontology/oeo/OEO_00010154)                                                          | solid synthetic fuel                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000392](https://openenergyplatform.org/ontology/oeo/OEO_00000392)                                                          | solver                                          | A solver is a software that solves a mathematical problem.                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00310034](https://openenergyplatform.org/ontology/oeo/OEO_00310034)                                                          | sorption heat storage object                    | A sorption heat storage object is a thermo-chemical heat storage object that stores thermal energy by using desorption.                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010360](https://openenergyplatform.org/ontology/oeo/OEO_00010360)                                                          | source category                                 | A source category is a sector that is defined by a common reporting format.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00280005](https://openenergyplatform.org/ontology/oeo/OEO_00280005)                                                          | source code file format                         | A source code file format is a text file format that is source code in a programming language.                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020136](https://openenergyplatform.org/ontology/oeo/OEO_00020136)                                                          | space requirement                               | A space requirement is a two-dimensional spatial region that covers the area needed by an object or object aggregate.                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00020139](https://openenergyplatform.org/ontology/oeo/OEO_00020139)                                                          | space requirement for construction              | A space requirement for construction is space requirement of an artificial object that covers the area needed in order to construct an artificial object.                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00360033](https://openenergyplatform.org/ontology/oeo/OEO_00360033)                                                          | spatial planning policy                         | Spatial planning policy is a policy of a German federal state that designates portions of a spatial region to purposes like settlement, infrastructur and sustainability.                                                                                                                                                                                                                                                                                                                                      |
| [BFO:0000006](https://openenergyplatform.org/ontology/oeo/BFO_0000006)                                                           | spatial region                                  | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020123](https://openenergyplatform.org/ontology/oeo/OEO_00020123)                                                          | spatial resolution                              | Spatial resolution is the resolution of a georeferenced dataset that indicates the geographical level of detail.                                                                                                                                                                                                                                                                                                                                                                                               |
| [BFO:0000011](https://openenergyplatform.org/ontology/oeo/BFO_0000011)                                                           | spatiotemporal region                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020141](https://openenergyplatform.org/ontology/oeo/OEO_00020141)                                                          | specific space requirement                      | A specific space requirement is a quantity value that indicates a certain space requirement per nameplate capacity.                                                                                                                                                                                                                                                                                                                                                                                            |
| [BFO:0000020](https://openenergyplatform.org/ontology/oeo/BFO_0000020)                                                           | specifically dependent continuant               | b is a specifically dependent continuant = Def. b is a continuant & there is some independent continuant c which is not a spatial region and which is such that b s-depends_on c at every time t during the course of b’s existence. (axiom label in BFO2 Reference: [050-003])                                                                                                                                                                                                                                |
| [UO:0000060](https://openenergyplatform.org/ontology/oeo/UO_0000060)                                                            | speed/velocity unit                             | "A unit which is a standard measure of the rate of movement. Speed is measured in the same physical units of measurement as velocity, but does not contain the element of direction that velocity has. Speed is thus the magnitude component of velocity." [Wikipedia:Wikipedia]                                                                                                                                                                                                                               |
| [OEO:00140009](https://openenergyplatform.org/ontology/oeo/OEO_00140009)                                                          | sponsor                                         | A sponsor is an agent that supports a person, organisation, or project by giving money, allowance of kind, services or other help.                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020027](https://openenergyplatform.org/ontology/oeo/OEO_00020027)                                                          | spreadsheet                                     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020142](https://openenergyplatform.org/ontology/oeo/OEO_00020142)                                                          | square kilometer                                | An area unit which is equal to one million square meters or 10^[6] m^[2].                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [UO:0000080](https://openenergyplatform.org/ontology/oeo/UO_0000080)                                                            | square meter                                    | "An area unit which is equal to an area enclosed by a square with sides each 1 meter long." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                        |
| [UO:1000080](https://openenergyplatform.org/ontology/oeo/UO_1000080)                                                            | square meter based unit                         | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [UO:0000082](https://openenergyplatform.org/ontology/oeo/UO_0000082)                                                            | square millimeter                               | "An area unit which is equal to one millionth of a square meter or 10^[-6] m^[2]." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [UO:1000082](https://openenergyplatform.org/ontology/oeo/UO_1000082)                                                            | square millimeter based unit                    | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00280015](https://openenergyplatform.org/ontology/oeo/OEO_00280015)                                                          | squirrel-cage induction generator               | A squirrel-cage induction generator is an induction generator whose rotating component is a squirrel-cage rotor.                                                                                                                                                                                                                                                                                                                                                                                               |
| https://www.commoncoreontologies.org/ont00000430                      | Stable Orientation                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140045](https://openenergyplatform.org/ontology/oeo/OEO_00140045)                                                          | start alignment                                 | A start alignment is a time stamp alignment indicating that the time stamp marks the start of the time step.                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00030031](https://openenergyplatform.org/ontology/oeo/OEO_00030031)                                                          | start time                                      | A start time is a zero-dimensional temporal region that indicates the beginning of a one-dimensional temporal region.                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00260002](https://openenergyplatform.org/ontology/oeo/OEO_00260002)                                                          | start-up speed                                  | Start-up speed is ramping during a cold start.                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| https://www.commoncoreontologies.org/ont00000819                      | Stasis                                          | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00001213                      | Stasis of Artifact Operationality               | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000115                      | Stasis of Disposition                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000622                      | Stasis of Fully Mission Capable                 | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000820                      | Stasis of Function                              | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000335                      | Stasis of Generically Dependent Continuant      | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00001132                      | Stasis of Mission Capability                    | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000557                      | Stasis of Non-Mission Capable                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000783                      | Stasis of Non-Mission Capable Maintenance       | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000100                      | Stasis of Partially Mission Capable             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000286                      | Stasis of Partially Mission Capable Maintenance | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000850                      | Stasis of Quality                               | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000246                      | Stasis of Realizable Entity                     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000824                      | Stasis of Role                                  | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000135                      | Stasis of Specifically Dependent Continuant     | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000395](https://openenergyplatform.org/ontology/oeo/OEO_00000395)                                                          | state of matter                                 | A state of matter is a quality of a portion of matter that describes the distinct physical form in which the matter exists.                                                                                                                                                                                                                                                                                                                                                                                    |
| [STATO:0000039](https://openenergyplatform.org/ontology/oeo/STATO_0000039)                                                         | statistic                                       | a statistic is a measurement datum to describe a dataset or a variable. It is generated by a calculation on set of observed data.                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020413](https://openenergyplatform.org/ontology/oeo/OEO_00020413)                                                          | statistically robust                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020412](https://openenergyplatform.org/ontology/oeo/OEO_00020412)                                                          | statistically robust scenario                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00110001](https://openenergyplatform.org/ontology/oeo/OEO_00110001)                                                          | steam                                           | Steam is water that has a gaseous state of matter.                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00310028](https://openenergyplatform.org/ontology/oeo/OEO_00310028)                                                          | steam power unit                                | A steam power unit is a power generating unit that only has a steam turbine as turbine.                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00010022](https://openenergyplatform.org/ontology/oeo/OEO_00010022)                                                          | steam reformer                                  | A steam reformer is an energy converting component that produces syngas from hydrocarbons such as natural gas.                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010267](https://openenergyplatform.org/ontology/oeo/OEO_00010267)                                                          | steam reforming                                 | A steam reforming process is a chemical reaction that converts hydrocarbons and steam to syngas. As it converts chemical energy and thermal energy to a different type of chemical energy (and waste heat), it is also an energy transformation process.                                                                                                                                                                                                                                                       |
| [OEO:00010381](https://openenergyplatform.org/ontology/oeo/OEO_00010381)                                                          | steam reforming hydrogen                        | Steam reforming hydrogen is hydrogen that is a physical output of a steam reforming process.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00000396](https://openenergyplatform.org/ontology/oeo/OEO_00000396)                                                          | steam turbine                                   | A steam turbine is a turbine that converts heat from pressurised steam into rotational energy.                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00050020](https://openenergyplatform.org/ontology/oeo/OEO_00050020)                                                          | steam-electric process                          | A steam-electric process is an energy transformation that converts thermal energy to electrical energy. A steam turbine and an electro motive generator are participating in a steam-electric process.                                                                                                                                                                                                                                                                                                         |
| [OEO:00240034](https://openenergyplatform.org/ontology/oeo/OEO_00240034)                                                          | steel                                           | Steel is a metal that consists mainly of iron and up to 2.14 % of carbon; other elements may be present. It has a solid normal state of matter. It has a solid normal state of matter. It is the physical output of an industrial process and has a commodity role.                                                                                                                                                                                                                                            |
| [OEO:00140168](https://openenergyplatform.org/ontology/oeo/OEO_00140168)                                                          | stochastic                                      | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140062](https://openenergyplatform.org/ontology/oeo/OEO_00140062)                                                          | stock potential                                 | A stock potential is a potential of the stock of a source or sink.                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020011](https://openenergyplatform.org/ontology/oeo/OEO_00020011)                                                          | study                                           | A study is a project with the goal to methodologically investigate something.                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00390064](https://openenergyplatform.org/ontology/oeo/OEO_00390064)                                                          | study descriptor                                | A study descriptor is a data descriptor that allows the annotation of study information within a scenario bundle by means of keywords from ontological terminology.                                                                                                                                                                                                                                                                                                                                            |
| [OBI:0500000](https://openenergyplatform.org/ontology/oeo/OBI_0500000)                                                           | study design                                    | A plan specification comprised of protocols (which may specify how and what kinds of data will be gathered) that are executed as part of an investigation and is realized during a study design execution.                                                                                                                                                                                                                                                                                                     |
| [OEO:00010250](https://openenergyplatform.org/ontology/oeo/OEO_00010250)                                                          | study factsheet                                 | A study factsheet is a factsheet that contains information about a scenario study.                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020032](https://openenergyplatform.org/ontology/oeo/OEO_00020032)                                                          | study region                                    | A study region is a region of relevance that has the study region role and consists entirely of one or more subregions.                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00360021](https://openenergyplatform.org/ontology/oeo/OEO_00360021)                                                          | study region role                               | A study region role is a role of a region of relevance that is under investigation and consists entirely of one or more subregions.                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00020012](https://openenergyplatform.org/ontology/oeo/OEO_00020012)                                                          | study report                                    | A study report is a report that is the output from some study.                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020373](https://openenergyplatform.org/ontology/oeo/OEO_00020373)                                                          | study report due to legal obligation            | A study report due to legal obligation is a study report that is created beacause of a legal obligation.                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020034](https://openenergyplatform.org/ontology/oeo/OEO_00020034)                                                          | study subregion                                 | A study subregion is a subregion that has the study subregion role.                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00360024](https://openenergyplatform.org/ontology/oeo/OEO_00360024)                                                          | study subregion role                            | A study subregion role is a study region role that refers to a subregion.                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000401](https://openenergyplatform.org/ontology/oeo/OEO_00000401)                                                          | sub bituminous coal                             | Sub bituminous coal is coal that is non-agglomerating with a gross calorific value between 17 435 kJ/kg (4 165 kcal/kg) and 23 865 kJ/kg (5 700 kcal/kg) containing more than 31 % volatile matter on a dry mineral matter free basis.                                                                                                                                                                                                                                                                         |
| [OEO:00440001](https://openenergyplatform.org/ontology/oeo/OEO_00440001) | submarine power line                            | A submarine power line is a power line that is installed below the sea surface.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00020033](https://openenergyplatform.org/ontology/oeo/OEO_00020033)                                                          | subregion                                       | A subregion is a region of relevance that is in every respect a component of a region of relevance, but never encompasses the entire extent of a region of relevance.                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010464](https://openenergyplatform.org/ontology/oeo/OEO_00010464)                                                          | subsector                                       | A subsector is a sector that is a part of an other sector.                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00010297](https://openenergyplatform.org/ontology/oeo/OEO_00010297)                                                          | substitution method                             | A substitution method is a primary energy consumption calculation method that treats renewable energy carriers as if they have similar conversion losses as a specified fossil reference energy carrier.                                                                                                                                                                                                                                                                                                       |
| [OEO:00010413](https://openenergyplatform.org/ontology/oeo/OEO_00010413)                                                          | subsurface collector                            | A subsurface collector is a heat exchanger that transfers ambient thermal energy to a working fluid. It consists of plastic pipes laid horizontally under the ground.                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010444](https://openenergyplatform.org/ontology/oeo/OEO_00010444)                                                          | sufficiency                                     | Sufficiency is a plan specification for reducing, in absolute terms, the consumption and production of end-use products and services through changes in social practices in order to comply with environmental sustainability while ensuring an adequate social foundation for all people.                                                                                                                                                                                                                     |
| [OEO:00020345](https://openenergyplatform.org/ontology/oeo/OEO_00020345)                                                          | sufficiency scenario                            | A sufficiency scenario is a scenario that comprises sufficiency strategies.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00360031](https://openenergyplatform.org/ontology/oeo/OEO_00360031)                                                          | suitable region                                 | A suitable region is a region of relevance that has the suitable region role.                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00360028](https://openenergyplatform.org/ontology/oeo/OEO_00360028)                                                          | suitable region role                            | A suitable region role is a role of a region of interest that designates an agreeable location for wind park projects within the planning region while excluding the building of wind park projects in the rest of the planning region.                                                                                                                                                                                                                                                                        |
| [OEO:00010007](https://openenergyplatform.org/ontology/oeo/OEO_00010007)                                                          | sulphur dioxide                                 | Sulphur dioxide is a portion of matter with the chemical formula SO2. It has a gaseous normal state of matter and can act as an air pollutant.                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00000038](https://openenergyplatform.org/ontology/oeo/OEO_00000038)                                                          | sulphur hexafluoride                            | Sulphur hexafluoride is a portion of matter with the chemical formula SF6. It has a gaseous normal state of matter. It can work as a potent greenhouse gas and has an anthropogenic origin.                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000374](https://openenergyplatform.org/ontology/oeo/OEO_00000374)                                                          | superconducting magnetic energy storage         | A superconducting magnetic energy storage (SMES) is an energy storage object that stores electrical energy in the magnetic field of a superconducting magnet.                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00000200](https://openenergyplatform.org/ontology/oeo/OEO_00000200)                                                          | supply grid                                     | A supply grid is a supply system of systematically connected artificial objects that can work as a supply system.                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00030025](https://openenergyplatform.org/ontology/oeo/OEO_00030025)                                                          | supply system                                   | A supply system is a system that connects producers and consumers.                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00020198](https://openenergyplatform.org/ontology/oeo/OEO_00020198)                                                          | surface                                         | A surface is a tangential proper part of an object that extends in two dimensions.                                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00290002](https://openenergyplatform.org/ontology/oeo/OEO_00290002)                                                          | surface azimuth angle                           | A surface azimuth angle is a quantity value with a plane angle unit that measures the deviation of the projection on a horizontal plane of the normal to the plane from the local meridian, with zero due south, east negative, and west positive.                                                                                                                                                                                                                                                             |
| [OEO:00010332](https://openenergyplatform.org/ontology/oeo/OEO_00010332)                                                          | sustainability criterion                        | A sustainability criterion is a plan specification that intends to meet the needs of the present without compromising the ability of future generations to meet their own environmental, economic and social needs.                                                                                                                                                                                                                                                                                            |
| [OEO:00010336](https://openenergyplatform.org/ontology/oeo/OEO_00010336)                                                          | sustainable biofuel                             | A sustainable biofuel is a biofuel that does conform to sustainability criteria.                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140061](https://openenergyplatform.org/ontology/oeo/OEO_00140061)                                                          | sustainable flow potential                      | A sustainable flow potential is a type of flow potential that takes into account all aspects of sustainability, which usually requires careful consideration and evaluation of different ecological and socio-economic aspects. The differentiation of the sustainable potential is blurred, since ecological aspects may already have been considered for the technological or economic potential, depending on the author.                                                                                   |
| [OEO:00010335](https://openenergyplatform.org/ontology/oeo/OEO_00010335)                                                          | sustainable process                             | A sustainable process is a process that has a process sustainability attribute.                                                                                                                                                                                                                                                                                                                                                                                                                                |
| [OEO:00140067](https://openenergyplatform.org/ontology/oeo/OEO_00140067)                                                          | sustainable stock potential                     | A sustainable stock potential is a type of stock potential that takes into account all aspects of sustainability, which usually requires careful consideration and evaluation of different ecological and socio-economic aspects. The differentiation of the sustainable potential is blurred, since ecological aspects may already have been considered for the technological or economic potential, depending on the author.                                                                                 |
| [OEO:00020009](https://openenergyplatform.org/ontology/oeo/OEO_00020009)                                                          | switchyard                                      | A switchyard is an electricity grid component that connects different levels of voltage                                                                                                                                                                                                                                                                                                                                                                                                                        |
| [IAO:0000028](https://openenergyplatform.org/ontology/oeo/IAO_0000028)                                                           | symbol                                          | An information content entity that is a mark(s) or character(s) used as a conventional representation of another entity.                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00140160](https://openenergyplatform.org/ontology/oeo/OEO_00140160)                                                          | syngas                                          | Syngas is a gas mixture consisting primarily of hydrogen, carbon monoxide, and very often carbon dioxide, that can be used as fuel.                                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00030005](https://openenergyplatform.org/ontology/oeo/OEO_00030005)                                                          | synthetic                                       | Synthetic is an anthropogenic origin of portions of matter created artificially by a chemical process.                                                                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010221](https://openenergyplatform.org/ontology/oeo/OEO_00010221)                                                          | synthetic ammonia                               | Synthetic ammonia is ammonia that has a synthetic origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00000403](https://openenergyplatform.org/ontology/oeo/OEO_00000403)                                                          | synthetic data set                              | A synthetic data set is a dataset that is obtained by artificially creating data items. It is constructed to be an estimation of a real-world dataset.                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00010017](https://openenergyplatform.org/ontology/oeo/OEO_00010017)                                                          | synthetic fuel                                  | A synthetic fuel is a fuel produced from one or more portion(s) of matter using electric energy.                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010016](https://openenergyplatform.org/ontology/oeo/OEO_00010016)                                                          | synthetic hydrogen                              | Synthetic hydrogen is hydrogen with synthetic origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010018](https://openenergyplatform.org/ontology/oeo/OEO_00010018)                                                          | synthetic methane                               | Synthetic methane is methane that has a synthetic origin.                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| [RO:0002577](https://openenergyplatform.org/ontology/oeo/RO_0002577)                                                            | system                                          | A material entity consisting of multiple components that are causally integrated.                                                                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020116](https://openenergyplatform.org/ontology/oeo/OEO_00020116)                                                          | system cost                                     | System cost are total costs of a system.                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00020410](https://openenergyplatform.org/ontology/oeo/OEO_00020410)                                                          | system robustness                               | System robustness is a disposition of a system that is designed or evolved in such a way as to be resistant to total failure despite partial damage or external changes.                                                                                                                                                                                                                                                                                                                                       |

## T

| ID                                                                    | LABEL                                                                                                                      | definition                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|:----------------------------------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00020197](https://openenergyplatform.org/ontology/oeo/OEO_00020197)                                                          | tangential proper part                                                                                                     | A tangential proper part is a fiat object part of an entity which shares a boundary with that entity.                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00320055](https://openenergyplatform.org/ontology/oeo/OEO_00320055)                                                          | tank                                                                                                                       | A tank is an artificial object that stores a liquid or gaseous portion of matter.                                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010290](https://openenergyplatform.org/ontology/oeo/OEO_00010290)                                                          | tank ship                                                                                                                  | A tank ship is a cargo ship used for the transport of liquid goods.                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020247](https://openenergyplatform.org/ontology/oeo/OEO_00020247)                                                          | target driven scenario                                                                                                     | A target driven scenario is a scenario that contains certain target constraints/ statements that in a possible future shall be realized. The path how the targets will be met is not predefined in the scenario.                                                                                                                                                                                                                                                                  |
| [OEO:00020112](https://openenergyplatform.org/ontology/oeo/OEO_00020112)                                                          | tax                                                                                                                        | A tax is a levy whose returns are used by the government to finance expenditures for the common welfare.                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00400042](https://openenergyplatform.org/ontology/oeo/OEO_00400042)                                                          | technical model implementation                                                                                             | A technical model implementation is a generically dependent continuant that is part of a model and consists of the hardware and software realization of a (conceptual) model.                                                                                                                                                                                                                                                                                                     |
| [OEO:00390056](https://openenergyplatform.org/ontology/oeo/OEO_00390056)                                                          | techno-economic potential determination method                                                                             | Techno-economic potential determination method is a methodology with the goal of assessing the economic viability of wind energy projects within the available area, based on the technical potential and incorporating cost factors and economic metrics.                                                                                                                                                                                                                        |
| [OEO:00390057](https://openenergyplatform.org/ontology/oeo/OEO_00390057)                                                          | techno-economic potential determination process                                                                            | Techno-economic potential determination process is a process that follows a determination methodology for techno-economic potental to gain knowledge of the techno-economic potential of the available region.                                                                                                                                                                                                                                                                    |
| [OEO:00140058](https://openenergyplatform.org/ontology/oeo/OEO_00140058)                                                          | technological flow potential                                                                                               | A technological flow potential is a type of a flow potential derived from a theoretical flow potential, taking account of the annual efficiency of the respective conversion technology and the additional restrictions regarding the area that is realistically available for energy generation.                                                                                                                                                                                 |
| [OEO:00140064](https://openenergyplatform.org/ontology/oeo/OEO_00140064)                                                          | technological stock potential                                                                                              | A technological stock potential is a type of a stock potential derived from a theoretical stock potential, taking account of the annual efficiency of the respective conversion technology and the additional restrictions regarding the area that is realistically available for energy generation.                                                                                                                                                                              |
| [OEO:00000407](https://openenergyplatform.org/ontology/oeo/OEO_00000407)                                                          | technology                                                                                                                 | A technology is a plan specification that describes how to combine artificial objects or other material entities and processes in a specific way.                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00390106](https://openenergyplatform.org/ontology/oeo/OEO_00390106)                                                          | technology scenario                                                                                                        | An technology scenario is a scenario that investigates future system states with the focus on a specific technology.                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010453](https://openenergyplatform.org/ontology/oeo/OEO_00010453)                                                          | temperature                                                                                                                | Temperature is a quality representing the driving force for the flow of heat energy and is a measure of the heat content of a material entity.                                                                                                                                                                                                                                                                                                                                    |
| [UO:0000005](https://openenergyplatform.org/ontology/oeo/UO_0000005)                                                            | temperature unit                                                                                                           | "A unit which is a standard measure of the average kinetic energy of the particles in a sample of matter." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                  |
| [BFO:0000008](https://openenergyplatform.org/ontology/oeo/BFO_0000008)                                                           | temporal region                                                                                                            | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020122](https://openenergyplatform.org/ontology/oeo/OEO_00020122)                                                          | temporal resolution                                                                                                        | Temporal resolution is the resolution of a time series that indicates time-dependent the level of detail.                                                                                                                                                                                                                                                                                                                                                                         |
| [UO:0000291](https://openenergyplatform.org/ontology/oeo/UO_0000291)                                                            | tera                                                                                                                       | "A prefix in the metric system denoting a factor of ten to the power of 12." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                             |
| [UO:0000332](https://openenergyplatform.org/ontology/oeo/UO_0000332)                                                            | terabyte                                                                                                                   | "An information unit which is equal to 1000 gigabytes." [UO:GVG]                                                                                                                                                                                                                                                                                                                                                                                                                  |
| [OEO:00050005](https://openenergyplatform.org/ontology/oeo/OEO_00050005)                                                          | terajoule                                                                                                                  | An energy unit which is equal to 10^12 joules.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00050009](https://openenergyplatform.org/ontology/oeo/OEO_00050009)                                                          | terawatt-hour                                                                                                              | A terawatt-hour is a watt-hour based unit which is equal to 10^12 watt-hours.                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00160004](https://openenergyplatform.org/ontology/oeo/OEO_00160004)                                                          | tertiary control                                                                                                           | A tertiary control is a frequency control that is either automated or manual. It takes over from secondary control to equalise electricity supply and demand imbalances that last for more than 15 minutes.                                                                                                                                                                                                                                                                       |
| [OEO:00000408](https://openenergyplatform.org/ontology/oeo/OEO_00000408)                                                          | test data set                                                                                                              | A test data set is a data set used for testing.                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00280001](https://openenergyplatform.org/ontology/oeo/OEO_00280001)                                                          | text file format                                                                                                           | A text file format is a file format that is structured as a sequence of lines of electronic text.                                                                                                                                                                                                                                                                                                                                                                                 |
| [IAO:0000300](https://openenergyplatform.org/ontology/oeo/IAO_0000300)                                                           | textual entity                                                                                                             | A textual entity is a part of a manifestation (FRBR sense), a generically dependent continuant whose concretizations are patterns of glyphs intended to be interpreted as words, formulas, etc.                                                                                                                                                                                                                                                                                   |
| [OEO:00010487](https://openenergyplatform.org/ontology/oeo/OEO_00010487)                                                          | The Matlab programming language is a programming language developed by MathWorks for use in the Matlab software framework. | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00140057](https://openenergyplatform.org/ontology/oeo/OEO_00140057)                                                          | theoretical flow potential                                                                                                 | A theoretical flow potential is a type of flow potential that identifies the physical upper limit of an input or output of a process in a spatial region of reference per unit time.                                                                                                                                                                                                                                                                                              |
| [OEO:00140063](https://openenergyplatform.org/ontology/oeo/OEO_00140063)                                                          | theoretical stock potential                                                                                                | A theoretical stock potential is a type of stock potential that identifies the physical upper limit of a stock of a source or sink in a spatial region of reference.                                                                                                                                                                                                                                                                                                              |
| [OEO:00000207](https://openenergyplatform.org/ontology/oeo/OEO_00000207)                                                          | thermal energy                                                                                                             | Thermal energy is the energy that a material entity contains in the undirected motion of its constituent parts (e.g. molecules and atoms).                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00000039](https://openenergyplatform.org/ontology/oeo/OEO_00000039)                                                          | thermal energy storage function                                                                                            | A thermal energy storage function is an energy storage function with thermal energy as input and output.                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00020365](https://openenergyplatform.org/ontology/oeo/OEO_00020365)                                                          | thermal energy storage object                                                                                              | A thermal energy storage object is an energy storage object that has the function to store thermal energy.                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00020369](https://openenergyplatform.org/ontology/oeo/OEO_00020369)                                                          | thermal energy storage technology                                                                                          | An thermal energy storage technology is an energy storage technology that describes how to combine thermal energy storage objects and thermal energy in charging and decharging processes.                                                                                                                                                                                                                                                                                        |
| [OEO:00310032](https://openenergyplatform.org/ontology/oeo/OEO_00310032)                                                          | thermo-chemical heat storage object                                                                                        | A thermo-chemical heat storage object (TCS) is a thermal energy storage object that stores thermal energy through reversible exotherm/endotherm chemical reaction with thermo-chemical materials (TCM).                                                                                                                                                                                                                                                                           |
| [OEO:00140092](https://openenergyplatform.org/ontology/oeo/OEO_00140092)                                                          | thorium                                                                                                                    | Thorium is a portion of matter with the chemical formula Th. It has a solid normal state of matter.                                                                                                                                                                                                                                                                                                                                                                               |
| [IAO:0000403](https://openenergyplatform.org/ontology/oeo/IAO_0000403)                                                           | three dimensional cartesian spatial coordinate datum                                                                       | A cartesion spatial coordinate datum that  uses three values to specify a position within a three dimensional spatial region                                                                                                                                                                                                                                                                                                                                                      |
| [BFO:0000028](https://openenergyplatform.org/ontology/oeo/BFO_0000028)                                                           | three-dimensional spatial region                                                                                           | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010101](https://openenergyplatform.org/ontology/oeo/OEO_00010101)                                                          | tidal flow                                                                                                                 | Tidal flow is a water flow during which movements of water masses caused by varying gravitational and rotational forces from sun and moon, combined with the rotation of the earth, cause waters to undergo periodic depth oscillations (tides).                                                                                                                                                                                                                                  |
| [OEO:00030034](https://openenergyplatform.org/ontology/oeo/OEO_00030034)                                                          | time series                                                                                                                | A time series is a data set that references to a set of time steps or zero-dimensional temporal regions.                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00030035](https://openenergyplatform.org/ontology/oeo/OEO_00030035)                                                          | time span                                                                                                                  | A time span is a quantity value indicating the duration of a one-dimensional temporal region, measured in a time unit.                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00140043](https://openenergyplatform.org/ontology/oeo/OEO_00140043)                                                          | time stamp                                                                                                                 | A time stamp is a data descriptor that is used to describe either a temporal region or a data item that is related to a temporal region, e.g. a time stamped measurement datum. If the time stamp refers to a time step/one-dimensional temporal region, the indication of a time stamp alignment is required                                                                                                                                                                     |
| [OEO:00140044](https://openenergyplatform.org/ontology/oeo/OEO_00140044)                                                          | time stamp alignment                                                                                                       | A time stamp alignment is a data descriptor that indicates the position of a time stamp in a time step.                                                                                                                                                                                                                                                                                                                                                                           |
| [IAO:0000582](https://openenergyplatform.org/ontology/oeo/IAO_0000582)                                                           | time stamped measurement datum                                                                                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00030033](https://openenergyplatform.org/ontology/oeo/OEO_00030033)                                                          | time step                                                                                                                  | A time step is a one-dimensional temporal region that has a start time and an ending time and thus a finite duration.                                                                                                                                                                                                                                                                                                                                                             |
| [UO:0000003](https://openenergyplatform.org/ontology/oeo/UO_0000003)                                                            | time unit                                                                                                                  | "A unit which is a standard measure of the dimension in which events occur in sequence." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00320069](https://openenergyplatform.org/ontology/oeo/OEO_00320069)                                                          | ton of coal equivalent                                                                                                     | A ton of coal equivalent is an energy unit which is equal to the amount of energy released by burning one metric ton of coal with a certain net calorific value. That is defined as 0.7 tons of oil equivalent (toe) and thus equals 29.3076 gigajoules or 8.141 megawatt-hours.                                                                                                                                                                                                  |
| [OEO:00320066](https://openenergyplatform.org/ontology/oeo/OEO_00320066)                                                          | ton of oil equivalent                                                                                                      | A ton of oil equivalent is an energy unit which is equal to the amount of energy released by burning one metric ton of crude oil with a certain net calorific value. That is defined as 41.868 gigajoules or 11.63 megawatt-hours.                                                                                                                                                                                                                                                |
| [OEO:00320003](https://openenergyplatform.org/ontology/oeo/OEO_00320003)                                                          | ton-kilometre                                                                                                              | Ton-kilometre is a transport performance unit for the accumulated transport distance of goods where one ton-kilometre equals the transport distance of 1 km for one ton of goods.                                                                                                                                                                                                                                                                                                 |
| [OEO:00020023](https://openenergyplatform.org/ontology/oeo/OEO_00020023)                                                          | top down                                                                                                                   | Top down is an analytical approach where design starts from the system as a whole. The system is then divided into smaller sub-applications with more details. Each part again goes through the top down approach till the complete system is designed with all minute details. Top down approach is also termed as breaking the bigger problem into smaller problems and solving them individually in a recursive manner. A top down model is based on a decomposition approach. |
| [OEO:00010208](https://openenergyplatform.org/ontology/oeo/OEO_00010208)                                                          | total emissions excluding LULUCF and including international aviation                                                      | 'Total emissions excluding LULUCF and including international aviation' is a sector that encompasses 'CRF sector (IPCC 2006): total emissions excluding LULUCF' and 'CRF sector (IPCC 2006): international aviation'.                                                                                                                                                                                                                                                             |
| [OEO:00010206](https://openenergyplatform.org/ontology/oeo/OEO_00010206)                                                          | total emissions excluding LULUCF and including international bunkers                                                       | 'Total emissions excluding LULUCF and including international aviation' is a sector that encompasses 'CRF sector (IPCC 2006): total emissions excluding LULUCF' and 'CRF sector (IPCC 2006): international bunkers'.                                                                                                                                                                                                                                                              |
| [OEO:00010209](https://openenergyplatform.org/ontology/oeo/OEO_00010209)                                                          | total emissions including LULUCF and including international aviation                                                      | 'Total emissions excluding LULUCF and including international aviation' is a sector that 'CRF sector (IPCC 2006): total emissions including LULUCF' and 'CRF sector (IPCC 2006): international aviation'.                                                                                                                                                                                                                                                                         |
| [OEO:00010207](https://openenergyplatform.org/ontology/oeo/OEO_00010207)                                                          | total emissions including LULUCF and including international bunkers                                                       | 'Total emissions excluding LULUCF and including international aviation' is a sector that 'CRF sector (IPCC 2006): total emissions including LULUCF' and 'CRF sector (IPCC 2006): international bunkers'.                                                                                                                                                                                                                                                                          |
| [OEO:00010253](https://openenergyplatform.org/ontology/oeo/OEO_00010253)                                                          | traction                                                                                                                   | Traction is a process of pushing or pulling to drive an object.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00010026](https://openenergyplatform.org/ontology/oeo/OEO_00010026)                                                          | traction battery                                                                                                           | A traction battery is a battery that is used in vehicles for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010254](https://openenergyplatform.org/ontology/oeo/OEO_00010254)                                                          | traction motor                                                                                                             | A traction motor is a motor that is used for propulsion.                                                                                                                                                                                                                                                                                                                                                                                                                          |
| [OEO:00010082](https://openenergyplatform.org/ontology/oeo/OEO_00010082)                                                          | trade                                                                                                                      | A trade is a process in which one good or service is exchanged for another good or service or money.                                                                                                                                                                                                                                                                                                                                                                              |
| [OEO:00040005](https://openenergyplatform.org/ontology/oeo/OEO_00040005)                                                          | trader                                                                                                                     | A trader is a market participant that engages in the transfer of financial assets in any financial market on behalf of a client or a financial services provider.                                                                                                                                                                                                                                                                                                                 |
| [OEO:00010280](https://openenergyplatform.org/ontology/oeo/OEO_00010280)                                                          | train                                                                                                                      | A train is a vehicle that uses railway tracks.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00320028](https://openenergyplatform.org/ontology/oeo/OEO_00320028)                                                          | train station                                                                                                              | A train station is a transport hub for trains.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| [OEO:00000419](https://openenergyplatform.org/ontology/oeo/OEO_00000419)                                                          | transformation                                                                                                             | A transformation is a process that transforms one or more inputs into at least one output.                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00140149](https://openenergyplatform.org/ontology/oeo/OEO_00140149)                                                          | transformative measure                                                                                                     | A transformative measure is a process that is an activity that has a direct impact on a specific variable in question.                                                                                                                                                                                                                                                                                                                                                            |
| [OEO:00000420](https://openenergyplatform.org/ontology/oeo/OEO_00000420)                                                          | transformer                                                                                                                | A transformer is an electricity grid component that passively transfers electrical energy from one electrical circuit to another.                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00020454](https://openenergyplatform.org/ontology/oeo/OEO_00020454)                                                          | translational energy                                                                                                       | Translational energy is the kinetic energy that a material entity possesses due to its translational motion.                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00110019](https://openenergyplatform.org/ontology/oeo/OEO_00110019)                                                          | transmission grid                                                                                                          | A transmission grid is an electricity grid that is able to transport electrical energy over long distances.                                                                                                                                                                                                                                                                                                                                                                       |
| [OEO:00140003](https://openenergyplatform.org/ontology/oeo/OEO_00140003)                                                          | transport                                                                                                                  | Transport is the process of moving people or goods from one place to another.                                                                                                                                                                                                                                                                                                                                                                                                     |
| [OEO:00320027](https://openenergyplatform.org/ontology/oeo/OEO_00320027)                                                          | transport hub                                                                                                              | A transport hub is a transport network component that allows the exchange of people and/or goods.                                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00320016](https://openenergyplatform.org/ontology/oeo/OEO_00320016)                                                          | transport network                                                                                                          | A transport network is a supply system of transport network components that enables the transport of people and/or goods.                                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00320021](https://openenergyplatform.org/ontology/oeo/OEO_00320021)                                                          | transport network component                                                                                                | A transport network component is an artificial object that is part of a transport network.                                                                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00320001](https://openenergyplatform.org/ontology/oeo/OEO_00320001)                                                          | transport performance unit                                                                                                 | A transport performance unit is a unit of measurement for the accumulated transport distance of a number of people and/or amount of goods.                                                                                                                                                                                                                                                                                                                                        |
| [OEO:00320000](https://openenergyplatform.org/ontology/oeo/OEO_00320000)                                                          | transport performance value                                                                                                | A transport performance value is a quantity value that indicates the performance of a transport process in terms of its mileage and amount of transported people and/or goods.                                                                                                                                                                                                                                                                                                    |
| [OEO:00000422](https://openenergyplatform.org/ontology/oeo/OEO_00000422)                                                          | transport sector                                                                                                           | A transport sector is a sector that covers transport of people and/or goods.                                                                                                                                                                                                                                                                                                                                                                                                      |
| [OEO:00010278](https://openenergyplatform.org/ontology/oeo/OEO_00010278)                                                          | truck                                                                                                                      | A truck is a motorised road vehicle that is used for freight transport.                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00000424](https://openenergyplatform.org/ontology/oeo/OEO_00000424)                                                          | true                                                                                                                       | True is a boolean value which is intended to represent the truth value true (denoted by 1, by +, the verum ⊤, or wahr (W) in German).                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00310021](https://openenergyplatform.org/ontology/oeo/OEO_00310021)                                                          | tube collector                                                                                                             | A tube collector is a solar thermal collector that consists of tubes.                                                                                                                                                                                                                                                                                                                                                                                                             |
| [OEO:00320024](https://openenergyplatform.org/ontology/oeo/OEO_00320024)                                                          | tunnel                                                                                                                     | A tunnel is a transport network component that is built through a certain environment (e.g. a mountain or water) and allows to pass through that environment.                                                                                                                                                                                                                                                                                                                     |
| [OEO:00000425](https://openenergyplatform.org/ontology/oeo/OEO_00000425)                                                          | turbine                                                                                                                    | A turbine is an energy converting component that converts energy from a moving fluid flow into rotational energy.                                                                                                                                                                                                                                                                                                                                                                 |
| [OEO:00080002](https://openenergyplatform.org/ontology/oeo/OEO_00080002) | turbofan gas turbine                                                                                                       | A turbofan gas turbine is a gas turbine that produces jet thrust through its core engine and additional thrust through the connected fan.                                                                                                                                                                                                                                                                                                                                         |
| [OEO:00080003](https://openenergyplatform.org/ontology/oeo/OEO_00080003) | turbojet gas turbine                                                                                                       | A turbojet gas turbine is a gas turbine which produces only jet thrust.                                                                                                                                                                                                                                                                                                                                                                                                           |
| [OEO:00080001](https://openenergyplatform.org/ontology/oeo/OEO_00080001) | turboprop gas turbine                                                                                                      | A turboprop gas turbine is a gas turbine that drives an aircraft propeller. It works like a turboshaft turbine but is additionally able to produce jet thrust.                                                                                                                                                                                                                                                                                                                    |
| [OEO:00080000](https://openenergyplatform.org/ontology/oeo/OEO_00080000) | turboshaft gas turbine                                                                                                     | A turboshaft gas turbine is a type of gas turbine that is optimized to produce shaft power.                                                                                                                                                                                                                                                                                                                                                                                       |
| [UO:0000092](https://openenergyplatform.org/ontology/oeo/UO_0000092)                                                            | turns per second                                                                                                           | "A rotational frequency unit which is equal to the number complete turn in a period of time that equals to 1 second." [NIST:NIST]                                                                                                                                                                                                                                                                                                                                                 |
| [UO:1000092](https://openenergyplatform.org/ontology/oeo/UO_1000092)                                                            | turns per second based unit                                                                                                | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010400](https://openenergyplatform.org/ontology/oeo/OEO_00010400)                                                          | two axis tracked receiving surface                                                                                         | A two axis tracked receiving surface is a solar radiation receiving surface that participates in two axis tracking.                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00010397](https://openenergyplatform.org/ontology/oeo/OEO_00010397)                                                          | two axis tracking                                                                                                          | Two axis tracking is solar tracking in which a radiation receiving surface is following the sun by rotating around two axes. The surface is always oriented normal.                                                                                                                                                                                                                                                                                                               |
| [IAO:0000402](https://openenergyplatform.org/ontology/oeo/IAO_0000402)                                                           | two dimensional cartesian spatial coordinate datum                                                                         | A cartesion spatial coordinate datum that  uses two values to specify a position within a two dimensional spatial region                                                                                                                                                                                                                                                                                                                                                          |
| [BFO:0000146](https://openenergyplatform.org/ontology/oeo/BFO_0000146)                                                           | two-dimensional continuant fiat boundary                                                                                   | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [BFO:0000009](https://openenergyplatform.org/ontology/oeo/BFO_0000009)                                                           | two-dimensional spatial region                                                                                             | nan                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| [OEO:00020091](https://openenergyplatform.org/ontology/oeo/OEO_00020091)                                                          | typical day                                                                                                                | A typical day is a typical period with the duration of one day.                                                                                                                                                                                                                                                                                                                                                                                                                   |
| [OEO:00020089](https://openenergyplatform.org/ontology/oeo/OEO_00020089)                                                          | typical period                                                                                                             | A typical period is a time series that represents a couple of real time periods that have certain characteristics in common, e.g. seasonal specifications, weekly routines, etc. It doesn't refer to a real date. Typical periods are used to reduce computing time of energy system models.                                                                                                                                                                                      |
| [OEO:00020090](https://openenergyplatform.org/ontology/oeo/OEO_00020090)                                                          | typical year                                                                                                               | A typical year is a typical period with the duration of one year.                                                                                                                                                                                                                                                                                                                                                                                                                 |

## U

| ID                                                                    | LABEL                               | definition                                                                                                                                                                   |
|:----------------------------------------------------------------------|:------------------------------------|:-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00140167](https://openenergyplatform.org/ontology/oeo/OEO_00140167)                                                          | uncertainty approach                | An uncertainty approach is a model descriptor that specifies how a model deals with uncertainty.                                                                             |
| [OEO:00400012](https://openenergyplatform.org/ontology/oeo/OEO_00400012)                                                          | uncertainty of a model              | Uncertainty of a model is a qualtity of a model that represents any departure from the unachievable ideal of complete determinism.                                           |
| https://www.commoncoreontologies.org/ont00001246                      | Under Active Control                | nan                                                                                                                                                                          |
| [OEO:00010325](https://openenergyplatform.org/ontology/oeo/OEO_00010325)                                                          | underground fuel storage object     | An underground fuel storage object is an energy storage object that stores chemical energy in form of fuels underground.                                                     |
| [OEO:00000429](https://openenergyplatform.org/ontology/oeo/OEO_00000429)                                                          | underground hydrogen storage object | An underground hydrogen storage is an underground fuel storage object that stores hydrogen. Examples are underground caverns, salt domes and depleted oil/gas fields.        |
| [OEO:00440002](https://openenergyplatform.org/ontology/oeo/OEO_00440002) | underground power line              | An underground power line is a power line that is installed below the ground surface.                                                                                        |
| [OEO:00010489](https://openenergyplatform.org/ontology/oeo/OEO_00010489)                                                          | unit                                | A unit of measurement is a generically dependent continuant that represents a standardised quantity value of a quantifiable entity                                           |
| [OEO:00140129](https://openenergyplatform.org/ontology/oeo/OEO_00140129)                                                          | unplanned availability              | Unplanned availability is a quality that describes the amount of time a power plant is planned to be operational per year, but is not operation.                             |
| [STATO:0000314](https://openenergyplatform.org/ontology/oeo/STATO_0000314)                                                         | upper confidence limit              | upper confidence limit is a data item which is a largest value bounding a confidence interval                                                                                |
| [OEO:00000040](https://openenergyplatform.org/ontology/oeo/OEO_00000040)                                                          | uranium                             | Uranium is a portion of matter that has the atomic number 92. It is a silver-grey metal.                                                                                     |
| [OEO:00230014](https://openenergyplatform.org/ontology/oeo/OEO_00230014)                                                          | urban population                    | An urban population is a population living in urban areas, as defined by national statistical offices.                                                                       |
| [OEO:00000431](https://openenergyplatform.org/ontology/oeo/OEO_00000431)                                                          | user                                | A user is an agent that employs an aid, tool or information system to achieve a goal/benefit.                                                                                |
| [OEO:00000432](https://openenergyplatform.org/ontology/oeo/OEO_00000432)                                                          | user documentation                  | A user documentation is a documentation intended to assist users in using the software.                                                                                      |
| [OEO:00320072](https://openenergyplatform.org/ontology/oeo/OEO_00320072)                                                          | utilisation value                   | A utilisation value is a fraction value that describes the instantaneous share of a maximum value that is utilised.                                                          |
| [OEO:00020460](https://openenergyplatform.org/ontology/oeo/OEO_00020460)                                                          | utility pole                        | A utility pole is a power line support structure used to support one or more overhead power lines, typically constructed from wood, metal, concrete, or composite materials. |

## V

| ID           | LABEL                                   | definition                                                                                                                                                                                                                                                            |
|:-------------|:----------------------------------------|:----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00140024](https://openenergyplatform.org/ontology/oeo/OEO_00140024) | validation                              | Validation is the process of checking if something works correctly.                                                                                                                                                                                                   |
| [OEO:00000435](https://openenergyplatform.org/ontology/oeo/OEO_00000435) | variable                                | A variable is an information content entity that represents a changeable value, vector, matrix or function within a mathematical expression.                                                                                                                          |
| [OEO:00020145](https://openenergyplatform.org/ontology/oeo/OEO_00020145) | variable cost                           | A variable cost is a cost that depends on an amount of goods or services.                                                                                                                                                                                             |
| [OEO:00020146](https://openenergyplatform.org/ontology/oeo/OEO_00020146) | variable production cost                | Variable production costs are costs that depend on the amount of goods or services produced and which are paid by the producer.                                                                                                                                       |
| [OEO:00010023](https://openenergyplatform.org/ontology/oeo/OEO_00010023) | vehicle                                 | A vehicle is an artificial object that is used for transporting people or goods.                                                                                                                                                                                      |
| [OEO:00320040](https://openenergyplatform.org/ontology/oeo/OEO_00320040) | vehicle charging station                | A vehicle charging station is an electricity grid component that transfers electrical energy into the traction battery of a battery electric vehicle.                                                                                                                 |
| [OEO:00320041](https://openenergyplatform.org/ontology/oeo/OEO_00320041) | vehicle operational mode                | A vehicle operational mode is a realizable entity that determines how a vehicle is operating.                                                                                                                                                                         |
| [OEO:00320061](https://openenergyplatform.org/ontology/oeo/OEO_00320061) | vehicle-kilometre                       | Vehicle-kilometre is a transport performance unit for the accumulated transport distance of the used vehicles themselves where one vehicle-kilometre equals the transport distance of 1 km for one vehicle.                                                           |
| [IAO:0000129](https://openenergyplatform.org/ontology/oeo/IAO_0000129)  | version number                          | A version number is an information content entity which is a sequence of characters borne by part of each of a class of manufactured products or its packaging and indicates its order within a set of other products having the same name.                           |
| [OEO:00000288](https://openenergyplatform.org/ontology/oeo/OEO_00000288) | Visual Basic for Applications           | Visual Basic for Applications (VBA) is a programming language based on Visual Basic and developed by Microsoft for use within the Microsoft Office software package.                                                                                                  |
| [OEO:00000437](https://openenergyplatform.org/ontology/oeo/OEO_00000437) | volatile organic compound               | A volatile organic compound (VOC) is a portion of matter consisting of organic compounds that is capable of producing photochemical oxidants by reactions with nitrogen oxides in the presence of sunlight. Hence it can act as an air pollutant.                     |
| [OEO:00010011](https://openenergyplatform.org/ontology/oeo/OEO_00010011) | volatility                              | The volatility disposition is the disposition of a portion of matter to sublimate or evaporate from the solid or liquid form and enter the surrounding air.                                                                                                           |
| [UO:0000218](https://openenergyplatform.org/ontology/oeo/UO_0000218)   | volt                                    | "An electric potential difference unit which is equal to the work per unit charge. One volt is the potential difference required to move one coulomb of charge between two points in a circuit while using one joule of energy." [Wikipedia:Wikipedia]                |
| [UO:1000218](https://openenergyplatform.org/ontology/oeo/UO_1000218)   | volt based unit                         | nan                                                                                                                                                                                                                                                                   |
| [OEO:00410058](https://openenergyplatform.org/ontology/oeo/OEO_00410058) | voltage classification system           | A voltage classification system is an information content entity that categorizes the voltages that components of an electricity grid power system usually operate on, into different levels.                                                                         |
| [OEO:00320057](https://openenergyplatform.org/ontology/oeo/OEO_00320057) | volume                                  | A volume is a quantity value indicating the size of a three-dimensional spatial region.                                                                                                                                                                               |
| [UO:0000095](https://openenergyplatform.org/ontology/oeo/UO_0000095)   | volume unit                             | "A unit which is a standard measure of the amount of space occupied by any substance, whether solid, liquid, or gas." [NIST:NIST]                                                                                                                                     |
| [UO:0000270](https://openenergyplatform.org/ontology/oeo/UO_0000270)   | volumetric flow rate unit               | "A unit which is a standard measure of the volume of fluid which passes through a given surface per unit time ." [Wikipedia:Wikipedia]                                                                                                                                |
| [OEO:00090000](https://openenergyplatform.org/ontology/oeo/OEO_00090000) | volumetric flow rate value              | A volumetric flow rate value is a quantity value that has a volumetric flow rate unit as unit.                                                                                                                                                                        |
| [OEO:00010457](https://openenergyplatform.org/ontology/oeo/OEO_00010457) | voluntary agreement                     | nan                                                                                                                                                                                                                                                                   |
| [OEO:00010461](https://openenergyplatform.org/ontology/oeo/OEO_00010461) | voluntary agreement instrument          | A voluntary agreement instrument is a policy instrument that uses voluntary instruments between a government (institution) and one or more private institutions. The agreement's goal is to ensure transformative measures by the participating private institutions. |
| [OEO:00010496](https://openenergyplatform.org/ontology/oeo/OEO_00010496) | voluntary agreement instrument function | An voluntary agreement instrument function is a function of a policy instrument that promotes, amongst others, voluntary agreement measures.                                                                                                                          |

## W

| ID                                               | LABEL                                      | definition                                                                                                                                                                                                                                                                                                                       |
|:-------------------------------------------------|:-------------------------------------------|:---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| [OEO:00010036](https://openenergyplatform.org/ontology/oeo/OEO_00010036)                                     | waste and wastewater sector                | A waste and wastewater sector is a sector that covers activities related the collection and treatment of waste and wastewater.                                                                                                                                                                                                   |
| [OEO:00000439](https://openenergyplatform.org/ontology/oeo/OEO_00000439)                                     | waste fuel                                 | A waste fuel is a fuel in which the material entity is waste.                                                                                                                                                                                                                                                                    |
| [OEO:00000440](https://openenergyplatform.org/ontology/oeo/OEO_00000440)                                     | waste power plant                          | A waste power plant is a power plant that has waste power units as parts.                                                                                                                                                                                                                                                        |
| [OEO:00000041](https://openenergyplatform.org/ontology/oeo/OEO_00000041)                                     | waste power unit                           | A waste power unit is a power generating unit using waste as fuel.                                                                                                                                                                                                                                                               |
| [OEO:00000042](https://openenergyplatform.org/ontology/oeo/OEO_00000042)                                     | waste role                                 | A waste role is a role of a material entity that has been discarded after primary use.                                                                                                                                                                                                                                           |
| [OEO:00010114](https://openenergyplatform.org/ontology/oeo/OEO_00010114)                                     | waste thermal energy                       | Waste thermal energy is thermal energy that is the physical output of an energy transformation process and that is released into the environment unused.                                                                                                                                                                         |
| [OEO:00000441](https://openenergyplatform.org/ontology/oeo/OEO_00000441)                                     | water                                      | Water is a portion of matter with the chemical formula H2O. It has a liquid normal state of matter.                                                                                                                                                                                                                              |
| [OEO:00010104](https://openenergyplatform.org/ontology/oeo/OEO_00010104)                                     | water body                                 | A water body is an accumulation of liquid water of varying size on the surface of the Earth.                                                                                                                                                                                                                                     |
| [OEO:00010021](https://openenergyplatform.org/ontology/oeo/OEO_00010021)                                     | water electrolyser                         | A water electrolyser is an energy converting component that uses an electric current to decompose water into hydrogen and oxygen gas. Electrical energy is converted into chemical energy (and waste heat).                                                                                                                      |
| [OEO:00010219](https://openenergyplatform.org/ontology/oeo/OEO_00010219)                                     | water electrolysis process                 | A water electrolysis process is an energy transformation that uses an electric current to decompose water into hydrogen and oxygen gas. Electrical energy is converted into chemical energy (and waste heat).                                                                                                                    |
| [OEO:00110002](https://openenergyplatform.org/ontology/oeo/OEO_00110002)                                     | water flow                                 | Water flow is a process of liquid water moving.                                                                                                                                                                                                                                                                                  |
| [OEO:00110003](https://openenergyplatform.org/ontology/oeo/OEO_00110003)                                     | water flow rate                            | Water flow rate is the process attribute of water flow that quantifies the water volume per time unit.                                                                                                                                                                                                                           |
| [OEO:00410021](https://openenergyplatform.org/ontology/oeo/OEO_00410021)                                     | water protection area                      | A water protection area is a protected area that has the water protection area role, i.e. it is aimed at safeguarding the quality and quantity of water resources, including surface water and groundwater.                                                                                                                      |
| [OEO:00410022](https://openenergyplatform.org/ontology/oeo/OEO_00410022)                                     | water protection area role                 | A water protection area role is a protected area role for areas, aimed at safeguarding the quality and quantity of water resources, including surface water and groundwater.                                                                                                                                                     |
| [OEO:00000442](https://openenergyplatform.org/ontology/oeo/OEO_00000442)                                     | water turbine                              | A water turbine is a turbine converting potential energy and kinetic energy of water into rotational energy.                                                                                                                                                                                                                     |
| [OEO:00010285](https://openenergyplatform.org/ontology/oeo/OEO_00010285)                                     | watercraft                                 | A watercraft is a vehicle that is driving through water.                                                                                                                                                                                                                                                                         |
| [OEO:00320019](https://openenergyplatform.org/ontology/oeo/OEO_00320019)                                     | waterway network                           | A waterway network is a transport network that enables transport on water.                                                                                                                                                                                                                                                       |
| [UO:0000114](https://openenergyplatform.org/ontology/oeo/UO_0000114)                                       | watt                                       | "A power unit which is equal to the power used when work is done at the rate of 1 joule per second." [NIST:NIST]                                                                                                                                                                                                                 |
| [UO:1000114](https://openenergyplatform.org/ontology/oeo/UO_1000114)                                       | watt based unit                            | nan                                                                                                                                                                                                                                                                                                                              |
| [UO:0000155](https://openenergyplatform.org/ontology/oeo/UO_0000155)                                       | watt per square meter                      | "An irradiance unit which is equal to 1 watt of radiant power incident per one square meter surface area." [NIST:NIST]                                                                                                                                                                                                           |
| [UO:1000155](https://openenergyplatform.org/ontology/oeo/UO_1000155)                                       | watt per square meter based unit           | nan                                                                                                                                                                                                                                                                                                                              |
| [UO:0000223](https://openenergyplatform.org/ontology/oeo/UO_0000223)                                       | watt-hour                                  | "An energy unit which is equal to the amount of electrical energy equivalent to a one-watt load drawing power for one hour." [Wikipedia:Wikipedia]                                                                                                                                                                               |
| [UO:1000223](https://openenergyplatform.org/ontology/oeo/UO_1000223)                                       | watt-hour based unit                       | nan                                                                                                                                                                                                                                                                                                                              |
| [OEO:00010106](https://openenergyplatform.org/ontology/oeo/OEO_00010106)                                     | wave                                       | A wave is a water flow that is at the surface of a water body/marine water body/ocean and that is mainly vertically orientated.                                                                                                                                                                                                  |
| [OEO:00020100](https://openenergyplatform.org/ontology/oeo/OEO_00020100)                                     | weather time series                        | A weather time series is a time series that contains data about a specific meteorological year.                                                                                                                                                                                                                                  |
| [UO:0000034](https://openenergyplatform.org/ontology/oeo/UO_0000034)                                       | week                                       | "A time unit which is equal to 7 days." [Wikipedia:Wikipedia]                                                                                                                                                                                                                                                                    |
| [UO:1000034](https://openenergyplatform.org/ontology/oeo/UO_1000034)                                       | week based unit                            | nan                                                                                                                                                                                                                                                                                                                              |
| [OEO:00020162](https://openenergyplatform.org/ontology/oeo/OEO_00020162)                                     | weekly                                     | one value per week                                                                                                                                                                                                                                                                                                               |
| [OEO:00010409](https://openenergyplatform.org/ontology/oeo/OEO_00010409)                                     | Western Texas Intermediate                 | Western Texas Intermediate (WTI) is a crude oil that is extracted on US territory and traded at NYMEX New York.                                                                                                                                                                                                                  |
| [OEO:00410020](https://openenergyplatform.org/ontology/oeo/OEO_00410020)                                     | WHG                                        | The WHG is a legislation providing the legal framework for water management in Germany.                                                                                                                                                                                                                                          |
| [OEO:00000043](https://openenergyplatform.org/ontology/oeo/OEO_00000043)                                     | wind                                       | Wind is a process of air naturally moving.                                                                                                                                                                                                                                                                                       |
| [OEO:00390002](https://openenergyplatform.org/ontology/oeo/OEO_00390002)                                     | wind characteristics determination method  | Wind characteristics determination method is a methodology with the goal to understand the specific wind characteristics of a predefined region, encompassing data acquisition, modelling, and analytical procedures.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns. |
| [OEO:00390007](https://openenergyplatform.org/ontology/oeo/OEO_00390007)                                     | wind characteristics determination process | Wind characteristics determination process is a process that follows a determination methodology for wind characteristics to gain knowledge of the specific wind characteristics of a predefined region.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns.              |
| [OEO:00000446](https://openenergyplatform.org/ontology/oeo/OEO_00000446)                                     | wind energy                                | Wind energy is the kinetic energy of moving air.                                                                                                                                                                                                                                                                                 |
| [OEO:00000044](https://openenergyplatform.org/ontology/oeo/OEO_00000044)                                     | wind energy converting unit                | A wind energy converting unit is a power generating unit that uses wind energy.                                                                                                                                                                                                                                                  |
| [OEO:00020043](https://openenergyplatform.org/ontology/oeo/OEO_00020043)                                     | wind energy transformation                 | Wind energy transformation is an energy transformation that converts wind energy to electrical energy.                                                                                                                                                                                                                           |
| [OEO:00000447](https://openenergyplatform.org/ontology/oeo/OEO_00000447)                                     | wind farm                                  | A wind farm is a power plant that has wind energy converting units as parts.                                                                                                                                                                                                                                                     |
| [OEO:00390034](https://openenergyplatform.org/ontology/oeo/OEO_00390034)                                     | wind farm area determination method        | Wind farm area determination method is a methodology with the goal of identifying and quantifying the area suitable for wind farm development, based on topographical, environmental, and regulatory constraints.                                                                                                                |
| [OEO:00390037](https://openenergyplatform.org/ontology/oeo/OEO_00390037)                                     | wind farm area determination process       | Wind farm area determination process is a process that follows a determination methodology for available area to gain knowledge of the available area for wind farm development.                                                                                                                                                 |
| [OEO:00390046](https://openenergyplatform.org/ontology/oeo/OEO_00390046)                                     | wind potential determination method        | Wind potential determination method is a methodology with the goal of calculating the technical wind energy potential within the identified suitable area, considering turbine technology, placement, and energy yield factors.                                                                                                  |
| [OEO:00390047](https://openenergyplatform.org/ontology/oeo/OEO_00390047)                                     | wind potential determination process       | Wind potential determination processa is a process that follows a determination methodology for wind potential to gain knowledge of the technical wind potential of the available area.                                                                                                                                          |
| [OEO:00400054](https://openenergyplatform.org/ontology/oeo/OEO_00400054)                                     | wind power density                         | Wind power density (WPD) is a quantity value of the power wind has in a specific area.                                                                                                                                                                                                                                           |
| [OEO:00390017](https://openenergyplatform.org/ontology/oeo/OEO_00390017)                                     | wind power density calculation             | Wind power density calculation is an action specification that describes how wind power density (WPD) is calculated to estimate the theoretical wind power potential based on wind speed and air density.                                                                                                                        |
| [OEO:00010424](https://openenergyplatform.org/ontology/oeo/OEO_00010424)                                     | wind power technology                      | A wind power technology is a power generation technology that describes how to combine wind energy converting units and a wind energy transformation.                                                                                                                                                                            |
| [OEO:00000448](https://openenergyplatform.org/ontology/oeo/OEO_00000448)                                     | wind rotor                                 | A wind rotor (or wind turbine) is a turbine that converts the wind's kinetic energy into rotational energy.                                                                                                                                                                                                                      |
| [OEO:00390005](https://openenergyplatform.org/ontology/oeo/OEO_00390005)                                     | wind speed calculation                     | Wind speed calculation is an action specification that describes how wind speed at the hub height of a wind turbine is inferred from measurements taken at a different height. It is extrapolated vertically to the hub height.                                                                                                  |
| [OEO:00390015](https://openenergyplatform.org/ontology/oeo/OEO_00390015)                                     | wind speed frequency analysis              | Wind speed frequency analysis is an action specification that describes the process of calculating the frequency of different wind speed intervals over a set period giving a wind speed frequency distribution.                                                                                                                 |
| [OEO:00390016](https://openenergyplatform.org/ontology/oeo/OEO_00390016)                                     | wind variability identification            | Wind variability identification is an action specification that describes the process of identifying variations in wind characteristics across temporal scales.<br>Wind characteristics include speed, direction, frequency, turbulence, and seasonal or diurnal patterns.                                                       |
| [OEO:00020312](https://openenergyplatform.org/ontology/oeo/OEO_00020312)                                     | with additional measures scenario          | A with additional measures scenario (WAM) is a policy scenario that includes policy instruments and transformative measures which have been adopted and implemented to mitigate climate change or meet energy objectives, as well as policy instruments and transformative measures which are planned for that purpose.          |
| [OEO:00020311](https://openenergyplatform.org/ontology/oeo/OEO_00020311)                                     | with existing measures scenario            | A with existing measures scenario (WEM) is a policy scenario that includes policy instruments and transformative measures that have been adopted and implemented.                                                                                                                                                                |
| [OEO:00020310](https://openenergyplatform.org/ontology/oeo/OEO_00020310)                                     | without measures scenario                  | A without measures scenario (WOM) is a policy scenario that excludes all policy instruments and transformative measures which are planned, adopted or implemented.                                                                                                                                                               |
| [OEO:00000449](https://openenergyplatform.org/ontology/oeo/OEO_00000449)                                     | wood                                       | Wood is a biomass from trees. It has a solid state of matter an can be used as fuel.                                                                                                                                                                                                                                             |
| [OEO:00230017](https://openenergyplatform.org/ontology/oeo/OEO_00230017)                                     | working age population                     | The working age population is the population of people aged 15 to 65.                                                                                                                                                                                                                                                            |
| https://www.commoncoreontologies.org/ont00000360 | Wounded Stasis                             | nan                                                                                                                                                                                                                                                                                                                              |
| [IAO:0000590](https://openenergyplatform.org/ontology/oeo/IAO_0000590)                                      | written name                               | A textual entity that denotes a particular in reality.                                                                                                                                                                                                                                                                           |

## X

| ID           | LABEL   |   definition |
|:-------------|:--------|-------------:|
| [OEO:00000450](https://openenergyplatform.org/ontology/oeo/OEO_00000450) | xlsx    |          nan |
| [OEO:00000451](https://openenergyplatform.org/ontology/oeo/OEO_00000451) | xml     |          nan |

## Y

| ID           | LABEL           | definition                                                                                                            |
|:-------------|:----------------|:----------------------------------------------------------------------------------------------------------------------|
| [UO:0000036](https://openenergyplatform.org/ontology/oeo/UO_0000036)   | year            | "A time unit which is equal to 12 months which in science is taken to be equal to 365.25 days." [Wikipedia:Wikipedia] |
| [UO:1000036](https://openenergyplatform.org/ontology/oeo/UO_1000036)   | year based unit | nan                                                                                                                   |
| [OEO:00140139](https://openenergyplatform.org/ontology/oeo/OEO_00140139) | yield profile   | A yield profile is a generation time series of a particular renewable power plant.                                    |
| [UO:0000306](https://openenergyplatform.org/ontology/oeo/UO_0000306)   | yocto           | "A prefix in the metric system denoting a factor of 10 to the power of -24." [UO:GVG]                                 |
| [UO:0000286](https://openenergyplatform.org/ontology/oeo/UO_0000286)   | yotta           | "A prefix in the metric system denoting a factor of ten to the power of 24." [UO:GVG]                                 |

## Z

| ID          | LABEL                                     | definition                                                                            |
|:------------|:------------------------------------------|:--------------------------------------------------------------------------------------|
| [UO:0000305](https://openenergyplatform.org/ontology/oeo/UO_0000305)  | zepto                                     | "A prefix in the metric system denoting a factor of 10 to the power of -21." [UO:GVG] |
| [BFO:0000147](https://openenergyplatform.org/ontology/oeo/BFO_0000147) | zero-dimensional continuant fiat boundary | nan                                                                                   |
| [BFO:0000018](https://openenergyplatform.org/ontology/oeo/BFO_0000018) | zero-dimensional spatial region           | nan                                                                                   |
| [BFO:0000148](https://openenergyplatform.org/ontology/oeo/BFO_0000148) | zero-dimensional temporal region          | nan                                                                                   |
| [UO:0000288](https://openenergyplatform.org/ontology/oeo/UO_0000288)  | zetta                                     | "A prefix in the metric system denoting a factor of ten to the power of 21." [UO:GVG] |

