Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 611.0 MWh | May 1928 | Dec 2023 | Water |
| Rogers | Consumers Energy Co - (MI) | Big Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 23.3 GWh | Dec 1921 | Dec 2023 | Water |
| Blanchard | ALLETE, Inc. | Royalton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 60.7 GWh | Jan 1925 | Dec 2023 | Water |
| Fond Du Lac | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 48.1 GWh | Dec 1923 | Dec 2023 | Water |
| Knife Falls | ALLETE, Inc. | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1921 | Dec 2023 | Water |
| Little Falls (MN) | ALLETE, Inc. | Little Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 27.4 GWh | Dec 1905 | Dec 2023 | Water |
| Pillager | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 1916 | Dec 2023 | Water |
| Scanlon | ALLETE, Inc. | Scanlon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Dec 1922 | Dec 2023 | Water |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 GWh | Dec 1912 | Dec 2023 | Water |
| Thomson | ALLETE, Inc. | Carlton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 258.7 GWh | Dec 1906 | Dec 2023 | Water |
| Winton | ALLETE, Inc. | Winton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Jul 1923 | Dec 2023 | Water |
| Hennepin Island | Northern States Power Co - Minnesota | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 43.4 GWh | Sep 1954 | Dec 2023 | Water |
| Webber | Consumers Energy Co - (MI) | Lyons, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.1 GWh | Dec 1906 | Dec 2023 | Water |
| Edison Sault | Cloverland Electric Co-op | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 233.6 GWh | Jun 1901 | Dec 2023 | Water |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 GWh | Dec 1915 | Dec 2023 | Water |
| Loud | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 GWh | Dec 1912 | Dec 2023 | Water |
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | Midcontinent Independent System Operator, Inc. (MISO) | 45.0 GWh | Jun 1925 | Dec 2023 | Water |
| Hardy | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 76.5 GWh | May 1931 | Dec 2023 | Water |
| Foote | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Dec 1917 | Dec 2023 | Water |
| Five Channels | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 22.3 GWh | Dec 1911 | Dec 2023 | Water |
| Croton | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 20.4 GWh | Dec 1906 | Dec 2023 | Water |
| Cooke | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.7 GWh | Dec 1910 | Dec 2023 | Water |
| C W Tippy | Consumers Energy Co - (MI) | Wellston, MI | Midcontinent Independent System Operator, Inc. (MISO) | 57.7 GWh | Dec 1917 | Dec 2023 | Water |
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.9 GWh | Dec 1934 | Dec 2023 | Water |
| Alcona | Consumers Energy Co - (MI) | Glennie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.9 GWh | Dec 1923 | Dec 2023 | Water |
| Hemlock Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 GWh | Jul 1953 | Dec 2023 | Water |
| James R Smith | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 15.8 GWh | Dec 1918 | Dec 2023 | Water |
| Norway (MI) | City of Norway | Norway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 27.7 GWh | May 1905 | Dec 2023 | Water |
| Crystal Falls | City of Crystal Falls | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | May 1914 | Dec 2023 | Water |
| Grand Rapids | Wisconsin Public Service Corp | Ingalls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 33.0 GWh | May 1918 | Dec 2023 | Water |
| White Rapids | Wisconsin Electric Power Co | Stephenson, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.8 GWh | Sep 1927 | Dec 2023 | Water |
| Way Dam | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Nov 1949 | Dec 2023 | Water |
| Peavy Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 51.4 GWh | Dec 1942 | Dec 2023 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | PJM Interconnection, LLC (PJM) | 2.7 GWh | Aug 1911 | Dec 2023 | Water |
| Michigamme Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 32.7 GWh | May 1953 | Dec 2023 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 162.7 GWh | Jun 1932 | Dec 2023 | Water |
| Kingsford | Wisconsin Electric Power Co | Kingsford, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.2 GWh | Apr 1924 | Dec 2023 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 22.2 GWh | Dec 1917 | Dec 2023 | Water |
| Chalk Hill | Wisconsin Electric Power Co | Stephenson, MI | Midcontinent Independent System Operator, Inc. (MISO) | 30.2 GWh | Apr 1927 | Dec 2023 | Water |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 GWh | Dec 1918 | Dec 2023 | Water |
| Victoria Dam | Upper Peninsula Power Company | Rockland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 52.7 GWh | Dec 1930 | Dec 2023 | Water |
| Prickett | Upper Peninsula Power Company | Pelkie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 7.7 GWh | Oct 1931 | Dec 2023 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 6.1 GWh | Dec 1922 | Dec 2023 | Water |
| Constantine | Indiana Michigan Power Co | Constantine, MI | PJM Interconnection, LLC (PJM) | 3.8 GWh | Dec 1922 | Dec 2023 | Water |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2023 | Water |
| Superior Falls | Northern States Power Co - Minnesota | Ironwood, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1916 | Dec 2023 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1912 | Dec 2023 | Water |
| Buchanan (MI) | Indiana Michigan Power Co | Buchanan, MI | PJM Interconnection, LLC (PJM) | 15.3 GWh | Dec 1918 | Dec 2023 | Water |
| Berrien Springs | Indiana Michigan Power Co | Berrien Springs, MI | PJM Interconnection, LLC (PJM) | 31.4 GWh | Dec 1995 | Dec 2023 | Water |
| Table Rock | USCE-Little Rock District | Branson, MO | Southwestern Power Administration (SPA) | 499.1 GWh | Apr 1959 | Dec 2023 | Water |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 169.3 GWh | Dec 1925 | Dec 2023 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 69.3 GWh | Dec 1902 | Dec 2023 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 2.0 GWh | Dec 1936 | Dec 2023 | Water |
| Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.3 GWh | Aug 1984 | Dec 2023 | Water |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 123.4 GWh | Feb 1982 | Dec 2023 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 45.3 GWh | Dec 1909 | Dec 2023 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 12.1 GWh | Dec 1912 | Dec 2023 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 53.0 GWh | Jun 1941 | Dec 2023 | Water |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 35.0 GWh | Jun 1924 | Dec 2023 | Water |
| Osage Dam | Union Electric Co - (MO) | Eldon, MO | Midcontinent Independent System Operator, Inc. (MISO) | 176.1 GWh | Sep 1931 | Dec 2023 | Water |
| Stockton Hydro | USCE-Kansas City District | Stockton, MO | Southwestern Power Administration (SPA) | 35.0 GWh | Feb 1973 | Dec 2023 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 277.6 GWh | Dec 1953 | Dec 2023 | Water |
| Black Eagle | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 121.5 GWh | Aug 1927 | Dec 2023 | Water |
| Cochrane | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 244.7 GWh | Jun 1958 | Dec 2023 | Water |
| Hauser | NorthWestern Energy (MT Hydro) | Helena, MT | NorthWestern Corporation (NWMT) | 142.8 GWh | Oct 1911 | Dec 2023 | Water |
| Holter | NorthWestern Energy (MT Hydro) | Wolf Creek, MT | NorthWestern Corporation (NWMT) | 281.6 GWh | Jun 1918 | Dec 2023 | Water |
| Selis Ksanka Qlispe | Energy Keepers Inc | Polson, MT | NorthWestern Corporation (NWMT) | 804.8 GWh | Sep 1938 | Dec 2023 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 295.0 GWh | Dec 1929 | Dec 2023 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 62.3 GWh | Apr 1925 | Dec 2023 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 394.9 GWh | Feb 2013 | Dec 2023 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 486.3 GWh | Jul 1915 | Dec 2023 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 396.3 GWh | Jun 1915 | Dec 2023 | Water |
| Noxon Rapids | Avista Corp | Noxon, MT | Avista Corporation (AVA) | 1.3 TWh | Aug 1959 | Dec 2023 | Water |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 19.7 GWh | Jun 1925 | Dec 2023 | Water |
| Gardners Falls | Central Rivers Power MA, LLC | Buckland, MA | ISO New England (ISNE) | 17.7 GWh | Dec 1913 | Dec 2023 | Water |
| Cobble Mountain | City of Holyoke Gas and Electric Dept. | Granville, MA | ISO New England (ISNE) | 10.5 GWh | Dec 1929 | Dec 2023 | Water |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 394.4 GWh | Dec 1914 | Dec 2023 | Water |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 63.1 GWh | Sep 1974 | Dec 2023 | Water |
| Riverside Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 40.4 GWh | Dec 1905 | Dec 2023 | Water |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 218.2 GWh | Dec 1951 | Dec 2023 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 7.4 GWh | Dec 1934 | Dec 2023 | Water |
| Boatlock | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 21.3 GWh | Dec 1920 | Dec 2023 | Water |
| Hoot Lake | Otter Tail Power Co | Fergus Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Aug 1914 | Dec 2023 | Water |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 604.0 MWh | Jul 1932 | Dec 2023 | Water |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.5 TWh | Feb 1928 | Mar 2025 | Water |
| Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | Bonneville Power Administration (BPAT) | 650.2 GWh | Sep 1952 | Dec 2023 | Water |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 501.6 GWh | Dec 1929 | Dec 2023 | Water |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 97.2 GWh | Dec 1938 | Dec 2023 | Water |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 88.4 GWh | Dec 1919 | Dec 2023 | Water |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 35.7 GWh | Dec 1903 | Dec 2023 | Water |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 137.1 GWh | Dec 1947 | Dec 2023 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 36.7 GWh | Dec 1912 | Dec 2023 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 9.4 GWh | Dec 1924 | Dec 2023 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 5.1 GWh | Dec 1934 | Dec 2023 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 7.3 GWh | Dec 1917 | Dec 2023 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 12.9 GWh | Dec 1923 | Dec 2023 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 53.8 GWh | Dec 1916 | Dec 2023 | Water |
| Big Creek 8 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 152.9 GWh | Jul 1921 | Dec 2023 | Water |
| Copco 1 | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 71.4 GWh | Dec 1917 | Dec 2023 | Water |
| Fall Creek | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 6.7 GWh | Aug 1903 | Dec 2023 | Water |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |