Greenfield Energy Centre is a natural gas-fired power station located in Courtright, Ontario. It produces 1,005 MW of electricity and is the second largest natural gas-fired power plant in Canada. It is the largest privately owned and operated gas power plant in Ontario.
Greenfield consists of three Siemens Westinghouse gas turbine generators, a single 517 MW Toshiba steam turbine generator, and three Deltek heat recovery steam generators.