| Bath County (1) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Bath County (2) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Bath County (3) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Bath County (4) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Bath County (5) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Bath County (6) | VA | Bath | Operational | 477 MW | Pumped Storage | Virginia Electric & Power Co |
| Raccoon Mountain (1) | TN | Hamilton | Operational | 428.4 MW | Pumped Storage | Tennessee Valley Authority |
| Raccoon Mountain (2) | TN | Hamilton | Operational | 428.4 MW | Pumped Storage | Tennessee Valley Authority |
| Raccoon Mountain (3) | TN | Hamilton | Operational | 428.4 MW | Pumped Storage | Tennessee Valley Authority |
| Raccoon Mountain (4) | TN | Hamilton | Operational | 428.4 MW | Pumped Storage | Tennessee Valley Authority |
| Bad Creek (1) | SC | Oconee | Operational | 420 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Bad Creek (2) | SC | Oconee | Operational | 420 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Bad Creek (3) | SC | Oconee | Operational | 420 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Bad Creek (4) | SC | Oconee | Operational | 420 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Helms Pumped Storage (1) | CA | Fresno | Operational | 351 MW | Pumped Storage | Pacific Gas & Electric Co. |
| Helms Pumped Storage (2) | CA | Fresno | Operational | 351 MW | Pumped Storage | Pacific Gas & Electric Co. |
| Helms Pumped Storage (3) | CA | Fresno | Operational | 351 MW | Pumped Storage | Pacific Gas & Electric Co. |
| Bear Swamp (GEN1) | MA | Berkshire | Operational | 333 MW | Pumped Storage | Bear Swamp Power Company LLC |
| Bear Swamp (GEN2) | MA | Berkshire | Operational | 333 MW | Pumped Storage | Bear Swamp Power Company LLC |
| Ludington (1) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Ludington (2) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Ludington (3) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Ludington (4) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Ludington (5) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Ludington (6) | MI | Mason | Operational | 329.8 MW | Pumped Storage | Consumers Energy Co - (MI) |
| Northfield Mountain (1) | MA | Franklin | Operational | 292 MW | Pumped Storage | FirstLight Power Resources, Inc. - MA |
| Northfield Mountain (2) | MA | Franklin | Operational | 292 MW | Pumped Storage | FirstLight Power Resources, Inc. - MA |
| Northfield Mountain (3) | MA | Franklin | Operational | 292 MW | Pumped Storage | FirstLight Power Resources, Inc. - MA |
| Northfield Mountain (4) | MA | Franklin | Operational | 292 MW | Pumped Storage | FirstLight Power Resources, Inc. - MA |
| Rocky Mountain Hydroelectric Plant (1) | GA | Floyd | Operational | 282.6 MW | Pumped Storage | Oglethorpe Power Corporation |
| Rocky Mountain Hydroelectric Plant (2) | GA | Floyd | Operational | 282.6 MW | Pumped Storage | Oglethorpe Power Corporation |
| Rocky Mountain Hydroelectric Plant (3) | GA | Floyd | Operational | 282.6 MW | Pumped Storage | Oglethorpe Power Corporation |
| Castaic (1) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Castaic (2) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Castaic (3) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Castaic (4) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Castaic (5) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Castaic (6) | CA | Los Angeles | Operational | 271 MW | Pumped Storage | Los Angeles Department of Water & Power |
| Blenheim Gilboa (1) | NY | Schoharie | Operational | 250 MW | Pumped Storage | New York Power Authority |
| Blenheim Gilboa (2) | NY | Schoharie | Operational | 250 MW | Pumped Storage | New York Power Authority |
| Blenheim Gilboa (3) | NY | Schoharie | Operational | 250 MW | Pumped Storage | New York Power Authority |
| Blenheim Gilboa (4) | NY | Schoharie | Operational | 250 MW | Pumped Storage | New York Power Authority |
| Intermountain Pumped Storage Project (HL001) | UT | Millard | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Intermountain Pumped Storage Project (HL002) | UT | Millard | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Intermountain Pumped Storage Project (HL003) | UT | Millard | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Intermountain Pumped Storage Project (HL004) | UT | Millard | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Haiwee Pumped Storage Project (HL001) | CA | Inyo | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Haiwee Pumped Storage Project (HL002) | CA | Inyo | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Haiwee Pumped Storage Project (HL003) | CA | Inyo | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Haiwee Pumped Storage Project (HL004) | CA | Inyo | Planned | 250 MW | Pumped Storage | Premium Energy Holdings |
| Seneca Generation LLC (1) | PA | Warren | Operational | 205.9 MW | Pumped Storage | Seneca Generation LLC |
| Seneca Generation LLC (2) | PA | Warren | Operational | 205.9 MW | Pumped Storage | Seneca Generation LLC |
| Taum Sauk (1) | MO | Reynolds | Operational | 204 MW | Pumped Storage | Union Electric Co - (MO) |
| Taum Sauk (2) | MO | Reynolds | Operational | 204 MW | Pumped Storage | Union Electric Co - (MO) |
| Whale Rock Pumped Storage Hydro Project (WH001) | CA | San Luis Obispo | Planned | 200 MW | Pumped Storage | Premium Energy Holdings |
| Whale Rock Pumped Storage Hydro Project (WH002) | CA | San Luis Obispo | Planned | 200 MW | Pumped Storage | Premium Energy Holdings |
| Whale Rock Pumped Storage Hydro Project (WH003) | CA | San Luis Obispo | Planned | 200 MW | Pumped Storage | Premium Energy Holdings |
| J S Eastwood (1) | CA | Fresno | Operational | 199.8 MW | Pumped Storage | Southern California Edison Co |
| Jocassee (1) | SC | Pickens | Operational | 193.5 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Jocassee (2) | SC | Pickens | Operational | 193.5 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Jocassee (3) | SC | Pickens | Operational | 193.5 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Jocassee (4) | SC | Pickens | Operational | 193.5 MW | Pumped Storage | Duke Energy Carolinas, LLC |
| Yards Creek Energy (1) | NJ | Warren | Operational | 151 MW | Pumped Storage | Yards Creek Energy |
| Yards Creek Energy (2) | NJ | Warren | Operational | 151 MW | Pumped Storage | Yards Creek Energy |
| Yards Creek Energy (3) | NJ | Warren | Operational | 151 MW | Pumped Storage | Yards Creek Energy |
| Cabin Creek (A) | CO | Clear Creek | Operational | 150 MW | Pumped Storage | Public Service Co of Colorado |
| Cabin Creek (B) | CO | Clear Creek | Operational | 150 MW | Pumped Storage | Public Service Co of Colorado |
| Muddy Run (1) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (2) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (3) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (4) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (5) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (6) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (7) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Muddy Run (8) | PA | Lancaster | Operational | 134 MW | Pumped Storage | Constellation Power, Inc |
| Carters (3) | GA | Murray | Operational | 125 MW | Pumped Storage | USCE-Mobile District |
| Carters (4) | GA | Murray | Operational | 125 MW | Pumped Storage | USCE-Mobile District |
| Smith Mountain (3) | VA | Pittsylvania | Operational | 115.3 MW | Pumped Storage | Appalachian Power Co |
| Mount Elbert (1) | CO | Lake | Operational | 100 MW | Pumped Storage | U S Bureau of Reclamation |
| Mount Elbert (2) | CO | Lake | Operational | 100 MW | Pumped Storage | U S Bureau of Reclamation |
| Horse Mesa (HM4) | AZ | Maricopa | Operational | 99.8 MW | Pumped Storage | Salt River Project |
| Edward C Hyatt (2) | CA | Butte | Operational | 97.7 MW | Pumped Storage | California Dept. of Water Resources |
| Edward C Hyatt (4) | CA | Butte | Operational | 97.7 MW | Pumped Storage | California Dept. of Water Resources |
| Edward C Hyatt (6) | CA | Butte | Operational | 97.7 MW | Pumped Storage | California Dept. of Water Resources |
| Hiwassee Dam (2) | NC | Cherokee | Operational | 95 MW | Pumped Storage | Tennessee Valley Authority |
| Richard B Russell (5) | GA | Elbert | Operational | 82 MW | Pumped Storage | USCE-Savannah District |
| Richard B Russell (6) | GA | Elbert | Operational | 82 MW | Pumped Storage | USCE-Savannah District |
| Richard B Russell (7) | GA | Elbert | Operational | 82 MW | Pumped Storage | USCE-Savannah District |
| Richard B Russell (8) | GA | Elbert | Operational | 82 MW | Pumped Storage | USCE-Savannah District |
| Fairfield Pumped Storage (1) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (2) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (3) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (4) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (5) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (6) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (7) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Fairfield Pumped Storage (8) | SC | Fairfield | Operational | 73.4 MW | Pumped Storage | Dominion Energy South Carolina, Inc |
| Smith Mountain (1) | VA | Pittsylvania | Operational | 66 MW | Pumped Storage | Appalachian Power Co |
| Smith Mountain (5) | VA | Pittsylvania | Operational | 66 MW | Pumped Storage | Appalachian Power Co |
| Mormon Flat (MF2) | AZ | Maricopa | Operational | 54.3 MW | Pumped Storage | Salt River Project |
| Grand Coulee (PG10) | WA | Grant | Operational | 53.5 MW | Pumped Storage | U S Bureau of Reclamation |
| Grand Coulee (PG11) | WA | Grant | Operational | 53.5 MW | Pumped Storage | U S Bureau of Reclamation |
| Grand Coulee (PG12) | WA | Grant | Operational | 53.5 MW | Pumped Storage | U S Bureau of Reclamation |
| Grand Coulee (PG9) | WA | Grant | Operational | 53.5 MW | Pumped Storage | U S Bureau of Reclamation |
| W R Gianelli (1) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (2) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (3) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (4) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (5) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (6) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (7) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| W R Gianelli (8) | CA | Merced | Operational | 53 MW | Pumped Storage | California Dept. of Water Resources |
| Wallace Dam (1) | GA | Hancock | Operational | 52.2 MW | Pumped Storage | Georgia Power Co |
| Wallace Dam (2) | GA | Hancock | Operational | 52.2 MW | Pumped Storage | Georgia Power Co |
| Wallace Dam (5) | GA | Hancock | Operational | 52.2 MW | Pumped Storage | Georgia Power Co |
| Wallace Dam (6) | GA | Hancock | Operational | 52.2 MW | Pumped Storage | Georgia Power Co |
| Grand Coulee (PG7) | WA | Grant | Operational | 50 MW | Pumped Storage | U S Bureau of Reclamation |
| Grand Coulee (PG8) | WA | Grant | Operational | 50 MW | Pumped Storage | U S Bureau of Reclamation |
| Salina (1) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (2) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (3) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (4) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (5) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Salina (6) | OK | Mayes | Operational | 43.2 MW | Pumped Storage | Grand River Dam Authority |
| Clarence Cannon (2) | MO | Ralls | Operational | 31 MW | Pumped Storage | USCE-St Louis District |
| Degray (2) | AR | Clark | Operational | 30 MW | Pumped Storage | USCE -Vickburg District |
| Thermalito (2) | CA | Butte | Operational | 27.5 MW | Pumped Storage | California Dept. of Water Resources |
| Thermalito (3) | CA | Butte | Operational | 27.5 MW | Pumped Storage | California Dept. of Water Resources |
| Thermalito (4) | CA | Butte | Operational | 27.5 MW | Pumped Storage | California Dept. of Water Resources |
| Harry Truman (1) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Harry Truman (2) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Harry Truman (3) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Harry Truman (4) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Harry Truman (5) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Harry Truman (6) | MO | Benton | Operational | 26.9 MW | Pumped Storage | USCE-Kansas City District |
| Rocky River (CT) (3) | CT | Litchfield | Operational | 24 MW | Pumped Storage | FirstLight Power Resources Services LLC |
| Lewiston Niagara (1) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (10) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (11) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (12) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (2) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (3) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (4) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (5) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (6) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (7) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (8) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Lewiston Niagara (9) | NY | Niagara | Operational | 20 MW | Pumped Storage | New York Power Authority |
| Waddell (PG3) | AZ | Maricopa | Operational | 10 MW | Pumped Storage | Central Arizona Water Conservation Dist |
| Waddell (PG6) | AZ | Maricopa | Operational | 10 MW | Pumped Storage | Central Arizona Water Conservation Dist |
| Waddell (PG7) | AZ | Maricopa | Operational | 10 MW | Pumped Storage | Central Arizona Water Conservation Dist |
| Waddell (PS1) | AZ | Maricopa | Operational | 10 MW | Pumped Storage | Central Arizona Water Conservation Dist |
| Flatiron (3) | CO | Larimer | Operational | 8.5 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (1) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (2) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (3) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (4) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (5) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| ONeill (6) | CA | Merced | Operational | 4.2 MW | Pumped Storage | U S Bureau of Reclamation |
| Rocky River (CT) (1) | CT | Litchfield | Operational | 3.5 MW | Pumped Storage | FirstLight Power Resources Services LLC |
| Rocky River (CT) (2) | CT | Litchfield | Operational | 3.5 MW | Pumped Storage | FirstLight Power Resources Services LLC |