Marco Ranch is a hydraulic turbine power generation facility located in Jerome, Idaho, within the Western Electricity Coordinating Council (WECC) region. The plant operates with a capacity of 1.2 megawatts and is managed by Marco Power. It is situated within the power control area of Idaho Power Company. As an unregulated facility, Marco Ranch is primarily owned by Hydro I, which also serves as the holding company. The plant utilizes water as its fuel source, contributing to sustainable energy production in the region.