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.
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.
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.
A fuel-powered generation technology is a power technology that describes how to combine fuel-powered units in a fuel-powered electricity generation process.