Coal ranges from 60% to over 90% carbon (C) and produces 12,000 to 15,000 BTU/lb (measure of power produced) during complete combustion. Dry wood is about 50% carbon and has about 8,500 BTU/lb. It takes 30 - 43% more wood (by weight) than coal for the equivalent energy and the wood needs to cost 30 - 43% less to equal the cost per kWh of coal. This FAQ was adapted from Wood to Energy and used with permission.
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How does the cost of wood compare to coal per kilowatt hour (kWh)?
Last Updated: December 15, 2009
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