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Hydroelectric Pumped Storage Power Plants
Nationwide, by state — U.S. Energy Information Administration (Forms EIA-860/860M).
Power plants
32
Total nameplate capacity
21,060 MW
States with plants
16
Generating units
138
By state
| State | Plants | Capacity |
|---|---|---|
| California | 6 | 3,499.1 MW |
| South Carolina | 3 | 3,041.2 MW |
| Virginia | 1 | 2,862 MW |
| Michigan | 1 | 1,978.8 MW |
| Massachusetts | 2 | 1,834 MW |
| Tennessee | 1 | 1,713.6 MW |
| Pennsylvania | 2 | 1,509.9 MW |
| New York | 2 | 1,220 MW |
| Georgia | 2 | 1,169 MW |
| Missouri | 3 | 600.5 MW |
| Colorado | 2 | 500 MW |
| New Jersey | 1 | 453 MW |
| Oklahoma | 1 | 259.2 MW |
| Arizona | 3 | 223.1 MW |
| North Carolina | 1 | 165.6 MW |
| Connecticut | 1 | 31 MW |
Largest hydroelectric pumped storage plants
1.Bath County (VA)2,862 MW2.Ludington (MI)1,978.8 MW3.Raccoon Mountain (TN)1,713.6 MW4.Castaic (CA)1,682 MW5.Bad Creek (SC)1,680 MW6.Northfield Mountain (MA)1,168 MW7.Muddy Run (PA)1,072 MW8.Helms Pumped Storage (CA)1,053 MW9.Blenheim Gilboa (NY)1,000 MW10.Rocky Mountain Hydroelectric Plant (GA)847.8 MW11.Jocassee (SC)774 MW12.Bear Swamp (MA)666 MW13.Fairfield Pumped Storage (SC)587.2 MW14.Yards Creek Energy (NJ)453 MW15.Seneca Generation LLC (PA)437.9 MW16.W R Gianelli (CA)424 MW17.Taum Sauk (MO)408 MW18.Wallace Dam (GA)321.2 MW19.Cabin Creek (CO)300 MW20.Salina (OK)259.2 MW21.Lewiston Niagara (NY)220 MW22.Mount Elbert (CO)200 MW23.J S Eastwood (CA)199.8 MW24.Hiwassee Dam (NC)165.6 MW25.Harry Truman (MO)134.5 MW
Source: U.S. Energy Information Administration, Forms EIA-860 and EIA-860M (electric generator inventory). Nameplate capacity is the maximum rated output of a plant's generators, not its actual output.