Calpine Corporation is the largest generator of electricity from natural gas and geothermal resources in the United States, with operations in competitive power markets.
A Fortune 500 company based in Houston, Texas, the company is owned by an affiliate of Energy Capital Partners and a consortium of other investors, including Access Industries Inc. and Canada Pension Plan Investment Board.
Its fleet of 79 power plants in operation or under construction represents approximately 26,000 megawatts of generation capacity.