The Metcalf Energy Center, located in Coyote, California, operates within the Western Electricity Coordinating Council (WECC) region. This facility utilizes combined cycle technology and has an operating capacity of 592 megawatts (MW). It is managed by Calpine Corporation, which serves as both the plant operator and majority owner. The power generated is integrated into the California Independent System Operator (CAISO) control area. The plant operates under an unregulated status, with Calpine Corporation also being the owner holding company through ECP ControlCo. The primary fuel source for the Metcalf Energy Center is natural gas. Other owners of the power plant include Calpine Corporation.