Grand Coulee is a prominent hydraulic turbine power generation facility located in Coulee Dam, Washington. With an impressive operating capacity of 6,765 megawatts, it plays a crucial role in the Western Electricity Coordinating Council (WECC) region. The plant is managed by the US Bureau of Reclamation, which serves as both the majority owner and operator. As a facility classified under unregulated status, Grand Coulee utilizes water as its primary fuel source, contributing significantly to the energy supply within the Bonneville Power Administration’s power control area. Its strategic importance and operational efficiency underscore its vital role in the region’s energy landscape.