James B Black is a hydraulic turbine facility located in Montgomery Creek, California, operating under the jurisdiction of the Western Electricity Coordinating Council. With an operating capacity of 172 MW, the plant plays a significant role in the California Independent System Operator’s power control area. The facility is regulated and is primarily owned and operated by Pacific Gas and Electric Company, a subsidiary of PG&E Corporation. Utilizing water as its fuel source, the James B Black plant contributes to the region’s renewable energy portfolio and supports the transition to sustainable power generation.