coal used for steam raising and space heating purposes, including all anthracite coals and bituminous coals not included under coking coal
broadly referring to a major use of coal as a source of energy in steam boilers such as those of electrical power-generating stations
Coal used for producing steam or for space heating purposes. Synonym: steaming coal.
Coal burned to produce heat, for example, to raise steam for electrical generation or industrial processes. Such coal will also yield gaseous fuels by gasification processes and liquid fuels by liquefaction processes.
" means coal that is used primarily for its heating value. Thermal coal tends not to have the carbonization properties possessed by metallurgical coals. Most thermal coal is used to produce electricity in thermal power plants."