Definition: Combined heat and power
Combined heat and power (CHP) plant refers to a plant which is designed to produce both heat and electricity. It is sometimes referred to as a co-generation power station. If possible, fuel inputs and electricity/heat outputs should be reported on a unit basis rather than on a plant basis. However, if data are not available on a unit basis, the convention for defining a CHP plant noted above should be adopted.
Regulation (EC) No 1099/2008 on Energy Statistics