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Hydroelectric Pumped Storage Power Plants in California
U.S. Energy Information Administration (Forms EIA-860/860M).
Power plants
6
Total nameplate capacity
3,499.1 MW
Generating units
29
National rank (hydroelectric pumped storage capacity)
#1
Every hydroelectric pumped storage plant in California
| Plant | Operator | Units | Capacity |
|---|---|---|---|
| Castaic | Los Angeles Department of Water & Power | 7 | 1,682 MW |
| Helms Pumped Storage | Pacific Gas & Electric Co. | 3 | 1,053 MW |
| W R Gianelli | California Dept. of Water Resources | 8 | 424 MW |
| J S Eastwood | Southern California Edison Co | 1 | 199.8 MW |
| Thermalito | California Dept. of Water Resources | 4 | 115.1 MW |
| ONeill | U S Bureau of Reclamation | 6 | 25.2 MW |
Source: U.S. Energy Information Administration, Forms EIA-860 and EIA-860M. Nameplate capacity is the maximum rated output of the plant's generators.