Tuesday, July 10, 2007

Terminology Tuesday: Cogeneration

Cogeneration is the simultaneous production of heat and electricity from the same source (also called combined heat and power, or CHP).

The process normally involves the use of a heat engine or a power station, and it's very efficient: In separate production of electricity some energy must be rejected as waste heat, but in cogeneration this energy performs useful work.

Conventional power plants emit the heat created as a byproduct of electricity generation into the environment through cooling towers, as flue gas, or by other means. Cogeneration captures the byproduct heat for domestic or industrial heating purposes either very close to the plant, or for distribution through pipes to heat local housing.

via Wikipedia

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