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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).
Coal is a solid fossil fuel that formed from the decay of vegetation on land. Dead vegetation was compacted and heated, and over millions of years, the carbon and hydrogen in that vegetation became organized into long chain hydrocarbons that release a tremendous amount of heat energy when combusted.