Pumped Storage Power Plants
- Power Plants
- 42
- Operational
- 39
- Planned
- 3
- Expanding
- 0
- Total Capacity (MW)
- 33,011.7
Looking for pumped storage projects still in development?
EIA 860M shows operational plants and those starting operation within one year. Our Interconnection Queue dataset tracks 30,000+ projects from application through commercial operation.
Map of Pumped Storage Power Plants by State
| Project Name | State | County | Status | Capacity (MW) | Units | Generation Type | Operator |
|---|---|---|---|---|---|---|---|
| Grand Coulee | WA | Grant | Operational | 6.8 GW | 33 | Hydro, Pumped Storage | U S Bureau of Reclamation |
| Bath County | VA | Bath | Operational | 2.86 GW | 6 | Pumped Storage | Virginia Electric & Power Co |
| Ludington | MI | Mason | Operational | 1.97 GW | 6 | Pumped Storage | Consumers Energy Co - (MI) |
| Raccoon Mountain | TN | Hamilton | Operational | 1.71 GW | 4 | Pumped Storage | Tennessee Valley Authority |
| Castaic | CA | Los Angeles | Operational | 1.68 GW | 7 | Pumped Storage, Hydro | Los Angeles Department of Water & Power |
| Bad Creek | SC | Oconee | Operational | 1.68 GW | 4 | Pumped Storage | Duke Energy Carolinas, LLC |
| Northfield Mountain | MA | Franklin | Operational | 1.16 GW | 4 | Pumped Storage | FirstLight Power Resources, Inc. - MA |
| Muddy Run | PA | Lancaster | Operational | 1.07 GW | 8 | Pumped Storage | Constellation Power, Inc |
| Helms Pumped Storage | CA | Fresno | Operational | 1.05 GW | 3 | Pumped Storage | Pacific Gas & Electric Co. |
| Blenheim Gilboa | NY | Schoharie | Operational | 1 GW | 4 | Pumped Storage | New York Power Authority |
| Intermountain Pumped Storage Project | UT | Millard | Planned | 1 GW | 4 | Pumped Storage | Premium Energy Holdings |
| Haiwee Pumped Storage Project | CA | Inyo | Planned | 1 GW | 4 | Pumped Storage | Premium Energy Holdings |
| Rocky Mountain Hydroelectric Plant | GA | Floyd | Operational | 847.8 MW | 3 | Pumped Storage | Oglethorpe Power Corporation |
| Jocassee | SC | Pickens | Operational | 774 MW | 4 | Pumped Storage | Duke Energy Carolinas, LLC |
| Bear Swamp | MA | Berkshire | Operational | 666 MW | 2 | Pumped Storage | Bear Swamp Power Company LLC |
| Edward C Hyatt | CA | Butte | Operational | 644.1 MW | 6 | Hydro, Pumped Storage | California Dept. of Water Resources |
| Richard B Russell | GA | Elbert | Operational | 628 MW | 8 | Pumped Storage, Hydro | USCE-Savannah District |
| Whale Rock Pumped Storage Hydro Project | CA | San Luis Obispo | Planned | 600 MW | 3 | Pumped Storage | Premium Energy Holdings |
| Fairfield Pumped Storage | SC | Fairfield | Operational | 587.2 MW | 8 | Pumped Storage | Dominion Energy South Carolina, Inc |
| Smith Mountain | VA | Pittsylvania | Operational | 547.5 MW | 5 | Hydro, Pumped Storage | Appalachian Power Co |
| Carters | GA | Murray | Operational | 500 MW | 4 | Hydro, Pumped Storage | USCE-Mobile District |
| Yards Creek Energy | NJ | Warren | Operational | 453 MW | 3 | Pumped Storage | Yards Creek Energy |
| Seneca Generation LLC | PA | Warren | Operational | 437.9 MW | 3 | Pumped Storage, Hydro | Seneca Generation LLC |
| W R Gianelli | CA | Merced | Operational | 424 MW | 8 | Pumped Storage | California Dept. of Water Resources |
| Taum Sauk | MO | Reynolds | Operational | 408 MW | 2 | Pumped Storage | Union Electric Co - (MO) |
| Wallace Dam | GA | Hancock | Operational | 321.2 MW | 6 | Pumped Storage, Hydro | Georgia Power Co |
| Cabin Creek | CO | Clear Creek | Operational | 300 MW | 2 | Pumped Storage | Public Service Co of Colorado |
| Salina | OK | Mayes | Operational | 259.2 MW | 6 | Pumped Storage | Grand River Dam Authority |
| Lewiston Niagara | NY | Niagara | Operational | 240 MW | 12 | Pumped Storage | New York Power Authority |
| Mount Elbert | CO | Lake | Operational | 200 MW | 2 | Pumped Storage | U S Bureau of Reclamation |
| J S Eastwood | CA | Fresno | Operational | 199.8 MW | 1 | Pumped Storage | Southern California Edison Co |
| Hiwassee Dam | NC | Cherokee | Operational | 165.6 MW | 2 | Pumped Storage, Hydro | Tennessee Valley Authority |
| Harry Truman | MO | Benton | Operational | 161.4 MW | 6 | Pumped Storage | USCE-Kansas City District |
| Horse Mesa | AZ | Maricopa | Operational | 131.3 MW | 4 | Pumped Storage, Hydro | Salt River Project |
| Thermalito | CA | Butte | Operational | 115.1 MW | 4 | Pumped Storage, Hydro | California Dept. of Water Resources |
| Flatiron | CO | Larimer | Operational | 94.5 MW | 3 | Hydro, Pumped Storage | U S Bureau of Reclamation |
| Degray | AR | Clark | Operational | 70 MW | 2 | Hydro, Pumped Storage | USCE -Vickburg District |
| Mormon Flat | AZ | Maricopa | Operational | 63.5 MW | 2 | Pumped Storage, Hydro | Salt River Project |
| Clarence Cannon | MO | Ralls | Operational | 58 MW | 2 | Pumped Storage, Hydro | USCE-St Louis District |
| Waddell | AZ | Maricopa | Operational | 40 MW | 4 | Pumped Storage | Central Arizona Water Conservation Dist |
| Rocky River (CT) | CT | Litchfield | Operational | 31 MW | 3 | Pumped Storage | FirstLight Power Resources Services LLC |
| ONeill | CA | Merced | Operational | 25.2 MW | 6 | Pumped Storage | U S Bureau of Reclamation |
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Data source: U.S. Energy Information Administration EIA Form 860M
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