Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Dec 1983 | Dec 2025 | Water |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 11.2 GWh | Sep 1983 | Aug 2025 | Water |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 12.0 GWh | Sep 1988 | Dec 2025 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 2.8 GWh | Mar 1983 | Dec 2025 | Water |
| Normanskill Hydro Project | Watervliet, City of - (NY) | Guilderland, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Mar 1983 | Oct 2025 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 54.0 MWh | Aug 1986 | Oct 2025 | Water |
| Norway (IN) | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 GWh | May 1923 | Dec 2025 | Water |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 115.0 GWh | Dec 1925 | Dec 2025 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 150.9 GWh | Dec 1953 | Dec 2025 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 31.3 GWh | Dec 1916 | Dec 2025 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.8 GWh | Dec 1923 | Dec 2025 | Water |
| Elkhart | Indiana Michigan Power Co | Elkhart, IN | PJM Interconnection, LLC (PJM) | 10.8 GWh | Dec 1912 | Dec 2025 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 3.5 GWh | Jan 1984 | Dec 2025 | Water |
| Twin Branch | Indiana Michigan Power Co | Mishawaka, IN | PJM Interconnection, LLC (PJM) | 21.4 GWh | Apr 1989 | Dec 2025 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 3.8 GWh | Dec 1917 | Dec 2025 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.5 GWh | Dec 1934 | Dec 2025 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1924 | Dec 2025 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 23.4 GWh | Dec 1912 | Dec 2025 | Water |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 77.2 GWh | Dec 1947 | Dec 2025 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 50.8 GWh | Dec 1902 | Dec 2025 | Water |
| Oakdale | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 GWh | Oct 1925 | Feb 2025 | Water |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 20.6 GWh | Dec 1903 | Dec 2025 | Water |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 57.0 GWh | Dec 1919 | Dec 2025 | Water |
| Markland | Duke Energy Indiana, LLC | Florence, IN | Midcontinent Independent System Operator, Inc. (MISO) | 252.6 GWh | Dec 1966 | Dec 2025 | Water |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 63.5 GWh | Dec 1938 | Dec 2025 | Water |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 295.2 GWh | Dec 1929 | Dec 2025 | Water |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 564.0 MWh | Nov 1941 | Dec 2025 | Water |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 1.1 GWh | Dec 1988 | Aug 2025 | Water |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 14.4 GWh | Jun 1925 | Dec 2025 | Water |
| Kleber | Tower Kleber Ltd Partnership | Onaway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Dec 1924 | Dec 2024 | Water |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.3 TWh | Feb 1928 | Aug 2026 | Water |
| Scanlon | ALLETE, Inc. | Scanlon, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1922 | Dec 2025 | Water |
| Wolf Creek | USCE-Nashville District | Jamestown, KY | Tennessee Valley Authority (TVA) | 1.0 TWh | Sep 1951 | Dec 2025 | Water |
| Allatoona | USCE-Mobile District | Cartersville, GA | Southern Company Services, Inc. - Trans (SOCO) | 110.5 GWh | Dec 1949 | Dec 2025 | Water |
| Kentucky Dam | Tennessee Valley Authority | Grand Rivers, KY | Tennessee Valley Authority (TVA) | 1.1 TWh | Aug 1944 | Aug 2026 | Water |
| Barkley | USCE-Nashville District | Kuttawa, KY | Tennessee Valley Authority (TVA) | 624.9 GWh | Dec 1965 | Dec 2025 | Water |
| Hennepin Island | Northern States Power Co - Minnesota | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 53.9 GWh | Sep 1954 | Dec 2025 | Water |
| Ohio Falls | Louisville Gas & Electric Co | Shippingport Island, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 219.5 GWh | Dec 1927 | Dec 2025 | Water |
| Mother Ann Lee | Lock 7 Hydro Partners LLC | Harrodsburg, KY | PJM Interconnection, LLC (PJM) | 6.4 GWh | Feb 2007 | Dec 2025 | Water |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 18.3 GWh | Jun 1924 | Dec 2025 | Water |
| Winton | ALLETE, Inc. | Winton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 17.6 GWh | Jul 1923 | Dec 2025 | Water |
| Thomson | ALLETE, Inc. | Carlton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 198.2 GWh | Dec 1906 | Dec 2025 | Water |
| Sylvan | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.1 GWh | Dec 1912 | Dec 2025 | Water |
| Iowa Hydro LLC | Zero6 Energy Hydro | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Dec 1923 | Aug 2026 | Water |
| Pillager | ALLETE, Inc. | Pillager, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Dec 1916 | Dec 2025 | Water |
| Little Falls (MN) | ALLETE, Inc. | Little Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 GWh | Dec 1905 | Dec 2025 | Water |
| Knife Falls | ALLETE, Inc. | Cloquet, MN | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | Dec 1921 | Dec 2025 | Water |
| Fond Du Lac | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 37.6 GWh | Dec 1923 | Dec 2025 | Water |
| Dix Dam | Kentucky Utilities Co | Harrodsburg, KY | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 104.7 GWh | Oct 1925 | Dec 2025 | Water |
| Blanchard | ALLETE, Inc. | Royalton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 72.0 GWh | Jan 1925 | Dec 2025 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 35.9 GWh | Jun 1941 | Dec 2025 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 5.9 GWh | Dec 1912 | Dec 2025 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 31.3 GWh | Dec 1909 | Dec 2025 | Water |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 69.6 GWh | Feb 1982 | Dec 2025 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 23.1 GWh | Dec 1936 | Dec 2025 | Water |
| Peavy Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 48.4 GWh | Dec 1942 | Dec 2025 | Water |
| Loud | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 16.1 GWh | Dec 1912 | Dec 2025 | Water |
| Mio | Consumers Energy Co - (MI) | Mio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Dec 1915 | Dec 2025 | Water |
| Ottumwa City of | City of Ottumwa - (IA) | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1931 | Dec 2025 | Water |
| Rogers | Consumers Energy Co - (MI) | Big Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 20.9 GWh | Dec 1921 | Dec 2025 | Water |
| Webber | Consumers Energy Co - (MI) | Lyons, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Dec 1906 | Dec 2025 | Water |
| Crystal Falls | City of Crystal Falls - (MI) | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 GWh | May 1914 | Dec 2025 | Water |
| Edison Sault | Cloverland Electric Co-op | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 180.8 GWh | Jun 1901 | Dec 2025 | Water |
| Grand Rapids | Wisconsin Public Service Corp | Ingalls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 35.1 GWh | May 1918 | Dec 2025 | Water |
| White Rapids | Wisconsin Electric Power Co | Stephenson, MI | Midcontinent Independent System Operator, Inc. (MISO) | 32.7 GWh | Sep 1927 | Dec 2025 | Water |
| Way Dam | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Nov 1949 | Dec 2025 | Water |
| Berrien Springs | Indiana Michigan Power Co | Berrien Springs, MI | PJM Interconnection, LLC (PJM) | 27.3 GWh | Dec 1995 | Dec 2025 | Water |
| Hodenpyl | Consumers Energy Co - (MI) | Mesick, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.7 GWh | Jun 1925 | Dec 2025 | Water |
| Michigamme Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.4 GWh | May 1953 | Dec 2025 | Water |
| Kingsford | Wisconsin Electric Power Co | Kingsford, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.7 GWh | Apr 1924 | Dec 2025 | Water |
| Hemlock Falls | Wisconsin Electric Power Co | Crystal Falls, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.4 GWh | Jul 1953 | Oct 2025 | Water |
| Buchanan (MI) | Indiana Michigan Power Co | Buchanan, MI | PJM Interconnection, LLC (PJM) | 13.0 GWh | Dec 1918 | Dec 2025 | Water |
| Chalk Hill | Wisconsin Electric Power Co | Stephenson, MI | Midcontinent Independent System Operator, Inc. (MISO) | 34.0 GWh | Apr 1927 | Dec 2025 | Water |
| Brule | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.4 GWh | Dec 1918 | Dec 2025 | Water |
| Saxon Falls | Northern States Power Co - Minnesota | Saxon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1912 | Dec 2025 | Water |
| Victoria Dam | Upper Peninsula Power Company | Rockland, MI | Midcontinent Independent System Operator, Inc. (MISO) | 53.6 GWh | Dec 1930 | Dec 2025 | Water |
| Superior Falls | Northern States Power Co - Minnesota | Ironwood, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Dec 1916 | Dec 2025 | Water |
| Prickett | Upper Peninsula Power Company | Pelkie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Oct 1931 | Dec 2025 | Water |
| Mottville | Indiana Michigan Power Co | White Pigeon, MI | PJM Interconnection, LLC (PJM) | 5.3 GWh | Dec 1922 | Dec 2025 | Water |
| James R Smith | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 14.3 GWh | Dec 1918 | Dec 2025 | Water |
| Saint Marys Falls | USACE-Detroit District | Sault Ste. Marie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 156.0 GWh | Jun 1932 | Dec 2025 | Water |
| Boatlock | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 11.6 GWh | Dec 1920 | Dec 2025 | Water |
| Hydro Plant | City of Sturgis - (MI) | Three Rivers, MI | PJM Interconnection, LLC (PJM) | 6.7 GWh | Aug 1911 | Dec 2025 | Water |
| Chemical | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 5.1 GWh | Dec 1934 | Dec 2025 | Water |
| Hadley Falls | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 137.3 GWh | Dec 1951 | Dec 2025 | Water |
| Riverside Holyoke | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 22.5 GWh | Dec 1905 | Dec 2025 | Water |
| Deerfield 5 | Great River Hydro, LLC | Florida, MA | ISO New England (ISNE) | 44.4 GWh | Sep 1974 | Dec 2025 | Water |
| Cabot | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 239.5 GWh | Dec 1914 | Dec 2025 | Water |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 961.8 GWh | Jul 1913 | Dec 2025 | Water |
| Norway (MI) | City of Norway - (MI) | Norway, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.5 GWh | May 1905 | Dec 2025 | Water |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 638.0 MWh | May 1928 | Dec 2025 | Water |
| Constantine | Indiana Michigan Power Co | Constantine, MI | PJM Interconnection, LLC (PJM) | 3.9 GWh | Dec 1922 | Dec 2025 | Water |
| Cobble Mountain | City of Holyoke Gas and Elec Dept - (MA) | Granville, MA | ISO New England (ISNE) | 7.1 GWh | Dec 1929 | Dec 2025 | Water |
| Gardners Falls | Central Rivers Power MA, LLC | Buckland, MA | ISO New England (ISNE) | 11.4 GWh | Dec 1913 | Dec 2025 | Water |
| Putts Bridge | Central Rivers Power MA, LLC | Ludlow, MA | ISO New England (ISNE) | 10.6 GWh | Dec 1917 | Dec 2025 | Water |
| Alcona | Consumers Energy Co - (MI) | Glennie, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.5 GWh | Dec 1923 | Dec 2025 | Water |
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.7 GWh | Dec 1934 | Dec 2025 | Water |
| C W Tippy | Consumers Energy Co - (MI) | Wellston, MI | Midcontinent Independent System Operator, Inc. (MISO) | 55.5 GWh | Dec 1917 | Dec 2025 | Water |
| Cooke | Consumers Energy Co - (MI) | Oscoda, MI | Midcontinent Independent System Operator, Inc. (MISO) | 24.3 GWh | Dec 1910 | Dec 2025 | Water |
| Croton | Consumers Energy Co - (MI) | Newaygo, MI | Midcontinent Independent System Operator, Inc. (MISO) | 29.5 GWh | Dec 1906 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |