San Luis (William R. Gianelli) Powerplant *
History
The powerplant is operated and maintained by the state of California under an operation and maintenance agreement with Reclamation. The pumping-generating plant name has been changed by California to William R. Gianelli.
Plan
This joint Federal-State facility, located at San Luis Dam, lifts water by pump turbines from the O`Neill forebay into the San Luis Reservoir. During the irrigation season, water is released from San Luis Reservoir back through the pump-turbines to the forebay and energy is reclaimed. Each of the eight pumping-generating units has a capacity of 63,000 horsepower as a motor and 53,000 kilowatts as a generator. As a pumping station to fill San Luis Reservoir, each unit lifts 1,375 cubic feet per second at 290 feet total head. As a generating plant, each unit passes 1,640 cubic feet per second at the same head.
General
NERC Region | Western Electricity Coordinating Council, California-Southern Nevada Power Area |
PMA Service Area | Western Area Power Administration, Sierra Nevada Region |
Plant Type | Conventional |
Powerhouse Type | Above Ground |
Turbine Type | Francis |
Original Nameplate Capacity | 424,000 kW |
Installed Capacity | 424,000 kW |
Year of Initial Operation | 1968 |
(Fiscal Year) | 2007 |
Rated Head | 323 ft |
Production Mode | Seasonal Base |
Age | 39 years |
Plant Factor | 7.1 percent |
Remotely Operated | No |
River | San Luis Creek |
Contact