The geothermal power plant located in Mammoth Lakes, California, operates under the California Independent System Operator within the Western Electricity Coordinating Council. With an operating capacity of 44.4 MW, the facility is managed by Orni 50 and is primarily owned by Ormat Nevada, a subsidiary of Ormat Technologies. The plant is unregulated and utilizes geothermal energy as its fuel source. The primary power purchaser for the electricity generated is the Southern California Public Power Authority.