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Co-generation (CHP)

Cogeneration or combined heat and power (CHP) is the simultaneous generation of useful thermal energy and mechanical or electrical energy from a single fuel source. Because CHP recovers heat that would otherwise be wasted, for example from certain industrial processes, it makes much more efficient use of the primary energy. A CHP plant recovers heat from the exhaust or cooling system of a power plant and uses it for industrial processes and space heating instead of conventional heating systems based in fossil fuels. The total efficiency of a CHP plant can reach about 70 to 90%, depending on the fuel and plant type, as well as on the characteristics of the heat demand.