Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Roanoke Rapids | Virginia Electric & Power Co | Roanoke Rapids, NC | PJM Interconnection, LLC (PJM) | 271.7 GWh | Aug 1955 | Dec 2024 | Water |
| Gaston | Virginia Electric & Power Co | Roanoke Rapids, NC | PJM Interconnection, LLC (PJM) | 163.4 GWh | Jan 1963 | Mar 2026 | Water |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 143.3 GWh | Jul 1930 | Dec 2024 | Water |
| Saluda Dam | Northbrook Carolina Hydro LLC | Greenville, SC | Duke Energy Carolinas (DUK) | 7.1 GWh | Nov 1996 | Dec 2024 | Water |
| Robert S Kerr | USCE-Tulsa District | Keota, OK | Southwestern Power Administration (SPA) | 370.3 GWh | Jun 1971 | Dec 2024 | Water |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 349.1 GWh | Jul 1940 | Dec 2024 | Water |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 188.2 GWh | Apr 1964 | Dec 2024 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 255.3 GWh | Sep 1919 | Dec 2024 | Water |
| Wylie | Duke Energy Carolinas, LLC | Fort Mill, SC | Duke Energy Carolinas (DUK) | 157.1 GWh | Jul 1925 | Dec 2024 | Water |
| 99 Islands | Duke Energy Carolinas, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 36.5 GWh | Apr 1910 | Dec 2024 | Water |
| Lockhart | Lockhart Power Co | Lockhart, SC | Duke Energy Carolinas (DUK) | 70.0 GWh | Dec 1920 | Dec 2024 | Water |
| Neal Shoals | Dominion Energy South Carolina, Inc | Union, SC | Dominion Energy South Carolina, Inc. (SCEG) | 11.7 GWh | May 1905 | Dec 2024 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 51.1 GWh | Jul 1914 | Dec 2024 | Water |
| Tuckasegee | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 4.2 GWh | Apr 1950 | Dec 2024 | Water |
| Rocky River (SC) | City of Abbeville - (SC) | Iva, SC | Duke Energy Carolinas (DUK) | 6.1 GWh | Dec 1940 | Dec 2024 | Water |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 342.0 MWh | Jul 1923 | Dec 2024 | Water |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 248.0 GWh | Nov 1942 | Dec 2024 | Water |
| J Strom Thurmond | USCE-Savannah District | Clarks Hill, SC | Southeastern Power Administration (SEPA) | 650.7 GWh | Dec 1952 | Dec 2024 | Water |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.2 TWh | Mar 1962 | Dec 2024 | Water |
| Fremont Canyon | U S Bureau of Reclamation | Alcova, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 227.7 GWh | Nov 1960 | Dec 2024 | Water |
| Fort Randall | USACE-Omaha | Pickstown, SD | Southwest Power Pool (SWPP) | 1.6 TWh | Feb 1954 | Dec 2024 | Water |
| Big Bend Dam | USACE-Omaha | Chamberlain, SD | Southwest Power Pool (SWPP) | 813.0 GWh | Aug 1964 | Dec 2024 | Water |
| Glendo | U S Bureau of Reclamation | Glendo, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 87.7 GWh | Nov 1958 | Dec 2024 | Water |
| Apalachia | Tennessee Valley Authority | Reliance, TN | Tennessee Valley Authority (TVA) | 402.1 GWh | Aug 1943 | Dec 2024 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 265.8 GWh | Jun 1918 | Dec 2024 | Water |
| Yellowtail | U S Bureau of Reclamation | Hardin, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 798.4 GWh | Jul 1966 | Dec 2024 | Water |
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | Bonneville Power Administration (BPAT) | 730.3 GWh | Sep 1952 | Dec 2024 | Water |
| Noxon Rapids | Avista Corp | Noxon, MT | Avista Corporation (AVA) | 1.3 TWh | Aug 1959 | Dec 2024 | Water |
| Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.7 TWh | Sep 1959 | Mar 2026 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 1915 | Dec 2024 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | Dec 2024 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 53.7 GWh | Apr 1925 | Dec 2024 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 255.0 GWh | Dec 1929 | Dec 2024 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 970.3 GWh | Sep 1938 | Dec 2024 | Water |
| Wells | PUD No 1 of Douglas County | Chelan, WA | PUD No. 1 of Douglas County (DOPD) | 4.2 TWh | Aug 1967 | Mar 2026 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 134.4 GWh | Oct 1911 | Dec 2024 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 228.0 GWh | Jun 1958 | Dec 2024 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 127.5 GWh | Aug 1927 | Dec 2024 | Water |
| Wanapum | PUD No 2 of Grant County | Beverly, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 5.1 TWh | May 1963 | Mar 2026 | Water |
| Box Canyon | PUD No 1 of Pend Oreille County | Ione, WA | Avista Corporation (AVA) | 464.1 GWh | May 1955 | Dec 2024 | Water |
| Table Rock | USCE-Little Rock District | Branson, MO | Southwestern Power Administration (SPA) | 367.8 GWh | Apr 1959 | Dec 2024 | Water |
| The Dalles | USACE Northwestern Division | The Dalles, OR | Bonneville Power Administration (BPAT) | 6.5 TWh | May 1957 | Mar 2026 | Water |
| Alder | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 182.9 GWh | Nov 1945 | Dec 2024 | Water |
| Cushman 1 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 120.0 GWh | May 1926 | Dec 2024 | Water |
| Cushman 2 | City of Tacoma - (WA) | Shelton, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 179.2 GWh | Nov 1930 | Dec 2024 | Water |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 65.9 GWh | Dec 1897 | Dec 2024 | Water |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 119.5 GWh | Dec 1935 | Dec 2024 | Water |
| Snowden | Town of Bedford - (VA) | Big Island, VA | PJM Interconnection, LLC (PJM) | 13.9 GWh | Jul 1987 | Dec 2024 | Water |
| Ephratah | Erie Boulevard Hydropower LP | Saint Johnsville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Dec 1910 | Dec 2024 | Water |
| Radford | City of Radford - (VA) | Radford, VA | PJM Interconnection, LLC (PJM) | 4.6 GWh | Sep 1934 | Dec 2024 | Water |
| John H Kerr | USCE-Wilmington District | Boydton, VA | PJM Interconnection, LLC (PJM) | 462.9 GWh | Oct 1952 | Dec 2024 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 467.3 GWh | Jun 1931 | Dec 2024 | Water |
| Swift 1 | PacifiCorp | Cougar, WA | PacifiCorp West (PACW) | 548.4 GWh | Nov 1958 | Mar 2026 | Water |
| Yale | PacifiCorp | Amboy, WA | PacifiCorp West (PACW) | 488.4 GWh | Aug 1953 | Dec 2024 | Water |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 326.7 GWh | Feb 1960 | Dec 2024 | Water |
| LaGrande | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 297.3 GWh | Oct 1912 | Dec 2024 | Water |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 317.8 GWh | Dec 1958 | Dec 2024 | Water |
| Little Falls (WA) | Avista Corp | Ford, WA | Avista Corporation (AVA) | 185.3 GWh | Jun 1910 | Dec 2024 | Water |
| Johnson 2 | Central Nebraska Pub P&I Dist | Lexington, NE | Southwest Power Pool (SWPP) | 69.3 GWh | Mar 1941 | Dec 2024 | Water |
| Johnson 1 | Central Nebraska Pub P&I Dist | Elwood, NE | Southwest Power Pool (SWPP) | 55.8 GWh | Mar 1941 | Dec 2024 | Water |
| Jeffrey | Central Nebraska Pub P&I Dist | Brady, NE | Southwest Power Pool (SWPP) | 86.3 GWh | Dec 1940 | Dec 2024 | Water |
| Long Lake | Avista Corp | Ford, WA | Avista Corporation (AVA) | 456.2 GWh | Sep 1915 | Dec 2024 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.2 GWh | May 1915 | Dec 2024 | Water |
| Nine Mile | Avista Corp | Nine Mile, WA | Avista Corporation (AVA) | 125.7 GWh | Jun 1908 | Dec 2024 | Water |
| Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 33.7 GWh | Nov 1930 | Dec 2024 | Water |
| Rocky Reach | PUD No 1 of Chelan County | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 6.0 TWh | May 1961 | Mar 2026 | Water |
| Wissota | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 135.9 GWh | Dec 1916 | Dec 2024 | Water |
| Arpin Dam | Renewable World Energies LLC | Radisson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Aug 1971 | Dec 2024 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 34.3 GWh | Dec 1909 | Dec 2024 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 63.0 GWh | Dec 1927 | Dec 2024 | Water |
| Dells | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 42.4 GWh | Dec 1922 | Dec 2024 | Water |
| Holcombe | Northern States Power Co - Minnesota | Holcombe, WI | Midcontinent Independent System Operator, Inc. (MISO) | 92.7 GWh | Dec 1949 | Dec 2024 | Water |
| Jim Falls | Northern States Power Co - Minnesota | Jim Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 121.9 GWh | Jun 1988 | Dec 2024 | Water |
| Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.5 GWh | Dec 1957 | Dec 2024 | Water |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 104.9 GWh | Dec 1909 | Dec 2024 | Water |
| Trego | Northern States Power Co - Minnesota | Hayward, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1926 | Dec 2024 | Water |
| White River (WI) | Northern States Power Co - Minnesota | Ashland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Dec 1906 | Dec 2024 | Water |
| Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Aug 1984 | Dec 2024 | Water |
| Clam River Dam | Renewable World Energies LLC | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Mar 1942 | Dec 2024 | Water |
| Danbury Dam | Renewable World Energies LLC | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Dec 1920 | Dec 2024 | Water |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 GWh | Jul 1916 | Dec 2024 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Pine | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | May 1922 | Dec 2024 | Water |
| Kilbourn | Wisconsin Power & Light Co | Wisconsin Dells, WI | Midcontinent Independent System Operator, Inc. (MISO) | 57.6 GWh | Jun 1926 | Dec 2024 | Water |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 143.8 GWh | Sep 1915 | Dec 2024 | Water |
| Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 GWh | Dec 1924 | Dec 2024 | Water |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.7 GWh | Oct 1924 | Dec 2024 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | May 1923 | Dec 2024 | Water |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 576.4 GWh | Feb 1963 | Dec 2024 | Water |
| Mossyrock | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 1.0 TWh | Sep 1968 | Mar 2026 | Water |
| Chief Joseph | USACE Northwestern Division | Bridgeport, WA | Bonneville Power Administration (BPAT) | 11.2 TWh | Aug 1955 | Mar 2026 | Water |
| Ice Harbor | USACE Northwestern Division | Burbank, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Dec 1961 | Mar 2026 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | Bonneville Power Administration (BPAT) | 1.6 TWh | Mar 1970 | Mar 2026 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | May 1969 | Mar 2026 | Water |
| Packwood | Energy Northwest | Packwood, WA | Bonneville Power Administration (BPAT) | 63.0 GWh | Mar 1964 | Dec 2024 | Water |
| Johnson Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.2 GWh | Jun 1923 | Dec 2024 | Water |
| Stockton Hydro | USCE-Kansas City District | Stockton, MO | Southwestern Power Administration (SPA) | 53.0 GWh | Feb 1973 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |