Just over 12 per cent of world electricity production is provided by cogeneration, also known as combined t and power (CHP) - an integrated energy system that produces both electricity and heat. Cogeneration plants have a total global installed electricity capacity of some 325,000MW. Combined heat and power captures waste heat as electricity is produced and recycles it to provide another energy service, unlike conventional systems in which heat is simply exhausted into the environment and additional fuel must be used to provide the same amount of heat to industry or buildings.
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