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Thermal coal or steaming coal is burned for steam to run turbines to generate electricity either to public electricity grids or directly by industry consuming electrical power (such as chemical industries, paper manufacturers, cement industry and brickworks).
1 Chemical energy in the coal converted to thermal energy in the exhaust gases of combustion. 2  Thermal energy of the exhaust gases converted into thermal energy of steam through the heat exchanger. 3  Thermal energy of steam converted to mechanical energy in the turbine.