Posted: 8 August 2001

A facility in which two or more forms of energy are generated simultaneously or interchangeably. Commonly, a cogeneration facility produces steam for an industrial or commercial process and uses some of the steam to turn a turbine that generates electricity. Another type of cogeneration arrangement combines several energy sources in a single facility to provide a mix of energy forms (heat, electricity, etc.) in varying proportions according to the needs of the energy users.