A regulated or non-regulated company engaged solely in producing electricity; a company that generates energy. While a GENCO may engage in activities other than energy generation (e.g. it could be a cogenerator), GENCOs do not (and in many regions cannot) engage in any other activity in the energy supply chain.

GENCO occasionally refers to an energy marketer that represents generating companies that do not maintain their own internal marketing departments.

May also be spelled Genco, GenCo, or genco.

See also: