Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Markland | Duke Energy Indiana, LLC | Florence, IN | Midcontinent Independent System Operator, Inc. (MISO) | 298.8 GWh | Dec 1966 | Dec 2024 | Water |
| Oakdale | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 17.4 GWh | Oct 1925 | Dec 2024 | Water |
| Norway (IN) | Northern Indiana Pub Serv Co | Monticello, IN | Midcontinent Independent System Operator, Inc. (MISO) | 16.3 GWh | May 1923 | Dec 2024 | Water |
| Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 21.9 GWh | Jun 1924 | Dec 2024 | Water |
| Last Chance | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 4.5 GWh | Jan 1984 | Dec 2024 | Water |
| Elkhart | Indiana Michigan Power Co | Elkhart, IN | PJM Interconnection, LLC (PJM) | 13.0 GWh | Dec 1912 | Dec 2024 | Water |
| Hydro Plant No 3 | City of Ephraim - (UT) | east of Ephraim, UT | PacifiCorp East (PACE) | 4.6 GWh | Aug 1984 | Dec 2024 | Water |
| Quincy Chute | PUD No 2 of Grant County | Quincy, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 30.9 GWh | Sep 1985 | Oct 2024 | Water |
| Alamo | California Dept. of Water Resources | Pearblossom, CA | California Independent System Operator (CISO) | 55.9 GWh | Jun 1986 | Dec 2024 | Water |
| Rockton | Eagle Creek Renewable Energy, LLC | Rockton, IL | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 1928 | Dec 2024 | Water |
| Albeni Falls | USACE Northwestern Division | Oldtown, ID | Bonneville Power Administration (BPAT) | 179.3 GWh | Apr 1955 | Dec 2024 | Water |
| Bankhead Dam | Alabama Power Co | Northport, AL | Southern Company Services, Inc. - Trans (SOCO) | 107.8 GWh | Jun 1963 | Dec 2024 | Water |
| Combie South | Nevada Irrigation District | Auburn, CA | California Independent System Operator (CISO) | 3.7 GWh | Mar 1984 | Dec 2024 | Water |
| Upper Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 44.9 GWh | Aug 1982 | Dec 2024 | Water |
| Lower No 2 | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 5.4 GWh | Jul 1940 | Oct 2024 | Water |
| City Power Plant | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 40.4 GWh | Jun 1982 | Dec 2024 | Water |
| North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 6.6 GWh | Dec 1924 | Dec 2024 | Water |
| Riverside Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 38.4 GWh | Dec 1905 | Dec 2024 | Water |
| Hadley Falls | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 151.1 GWh | Dec 1951 | Dec 2024 | Water |
| Chemical | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 5.5 GWh | Dec 1934 | Dec 2024 | Water |
| Boatlock | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 18.9 GWh | Dec 1920 | Dec 2024 | Water |
| Conowingo | Constellation Power, Inc | Darlington, MD | PJM Interconnection, LLC (PJM) | 1.6 TWh | Feb 1928 | Sep 2025 | Water |
| Deep Creek | BP Piney & Deep Creek LLC | Oakland, MD | PJM Interconnection, LLC (PJM) | 17.1 GWh | Jun 1925 | Dec 2024 | Water |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 426.0 MWh | Nov 1941 | Jul 2024 | Water |
| Wyman Hydro | Brookfield White Pine Hydro LLC | Bingham, ME | ISO New England (ISNE) | 337.1 GWh | Dec 1929 | Dec 2024 | Water |
| Williams Hydro | Brookfield White Pine Hydro LLC | Solon, ME | ISO New England (ISNE) | 80.2 GWh | Dec 1938 | Dec 2024 | Water |
| Weston Hydro | Brookfield White Pine Hydro LLC | Skowhegan, ME | ISO New England (ISNE) | 57.4 GWh | Dec 1919 | Dec 2024 | Water |
| West Buxton | Brookfield White Pine Hydro LLC | Buxton, ME | ISO New England (ISNE) | 20.4 GWh | Dec 1903 | Dec 2024 | Water |
| Skelton | Brookfield White Pine Hydro LLC | Dayton, ME | ISO New England (ISNE) | 57.6 GWh | Dec 1947 | Dec 2024 | Water |
| Shawmut | Brookfield White Pine Hydro LLC | Shawmut, ME | ISO New England (ISNE) | 17.0 GWh | Dec 1912 | Dec 2024 | Water |
| Dworshak | USACE Northwestern Division | Ahsahka, ID | Bonneville Power Administration (BPAT) | 1.4 TWh | Aug 1974 | Dec 2024 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.3 GWh | Dec 1934 | Dec 2024 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 10.8 GWh | Dec 1923 | Dec 2024 | Water |
| Hiram | Brookfield White Pine Hydro LLC | Hiram, ME | ISO New England (ISNE) | 40.2 GWh | Dec 1916 | Dec 2024 | Water |
| Harris Hydro | Brookfield White Pine Hydro LLC | West Forks, ME | ISO New England (ISNE) | 170.4 GWh | Dec 1953 | Dec 2024 | Water |
| Gulf Island | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 136.3 GWh | Dec 1925 | Dec 2024 | Water |
| Deer Rips | Brookfield White Pine Hydro LLC | Auburn, ME | ISO New England (ISNE) | 58.2 GWh | Dec 1902 | Dec 2024 | Water |
| Cataract Hydro | Brookfield White Pine Hydro LLC | Saco, ME | ISO New England (ISNE) | 28.5 GWh | Dec 1936 | Dec 2024 | Water |
| Brunswick Hydro | Brookfield White Pine Hydro LLC | Brunswick, ME | ISO New England (ISNE) | 88.1 GWh | Feb 1982 | Dec 2024 | Water |
| Bonny Eagle | Brookfield White Pine Hydro LLC | Hollis, ME | ISO New England (ISNE) | 33.0 GWh | Dec 1909 | Dec 2024 | Water |
| Stillwater Hydro Station | Brookfield Black Bear Hydro, LLC | Stillwater, ME | ISO New England (ISNE) | 7.0 GWh | Dec 1912 | Dec 2024 | Water |
| Milford Hydro Station | Brookfield Black Bear Hydro, LLC | Milford, ME | ISO New England (ISNE) | 37.2 GWh | Jun 1941 | Dec 2024 | Water |
| Stanislaus | Pacific Gas & Electric Co. | Vallecito, CA | California Independent System Operator (CISO) | 315.8 GWh | Feb 1963 | Oct 2024 | Water |
| Big Creek 2 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 355.2 GWh | Nov 1913 | Dec 2024 | Water |
| Big Creek 1 | Southern California Edison Co | Big Creek, CA | California Independent System Operator (CISO) | 405.3 GWh | Oct 1913 | Dec 2024 | Water |
| J S Eastwood | Southern California Edison Co | Shaver Lake, CA | California Independent System Operator (CISO) | 83.7 GWh | Nov 1987 | Sep 2025 | Water |
| Drop 5 (CA) | Imperial Irrigation District | Calexico, CA | Imperial Irrigation District (IID) | 6.4 GWh | Feb 1982 | Dec 2024 | Water |
| Green Lake | City & Borough of Sitka - (AK) | Sitka, AK | 43.2 GWh | Mar 1982 | Dec 2024 | Water | |
| Iron Gate | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 76.4 GWh | Jan 1962 | Jan 2024 | Water |
| Fall Creek | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 6.0 GWh | Aug 1903 | Dec 2024 | Water |
| Copco 1 | PacifiCorp | Hornbrook, CA | PacifiCorp West (PACW) | 70.4 GWh | Dec 1917 | Jan 2024 | Water |
| A G Wishon | Pacific Gas & Electric Co. | North Fork, CA | California Independent System Operator (CISO) | 21.6 GWh | Aug 1910 | Dec 2024 | Water |
| Wise | Pacific Gas & Electric Co. | Auburn, CA | California Independent System Operator (CISO) | 31.5 GWh | Feb 1917 | Oct 2024 | Water |
| West Point PH | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 88.9 GWh | Oct 1948 | Jun 2024 | Water |
| Tiger Creek | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 225.1 GWh | May 1931 | Dec 2024 | Water |
| Big Creek 3 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 598.2 GWh | Aug 1923 | Sep 2025 | Water |
| Spring Gap | Pacific Gas & Electric Co. | Long Barn, CA | California Independent System Operator (CISO) | 29.8 GWh | Aug 1921 | Nov 2024 | Water |
| Spaulding 3 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 15.6 GWh | Jan 1929 | Dec 2024 | Water |
| Spaulding 1 | Pacific Gas & Electric Co. | Emigrant Gap, CA | California Independent System Operator (CISO) | 17.6 GWh | Apr 1928 | Dec 2024 | Water |
| South | Pacific Gas & Electric Co. | Manton, CA | California Independent System Operator (CISO) | 13.1 GWh | Nov 1979 | Dec 2024 | Water |
| Salt Springs | Pacific Gas & Electric Co. | Pioneer, CA | California Independent System Operator (CISO) | 107.7 GWh | May 1931 | Dec 2024 | Water |
| Rock Creek | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 609.6 GWh | Feb 1950 | Sep 2025 | Water |
| Poe | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 312.5 GWh | Sep 1958 | Sep 2025 | Water |
| Pit 7 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 441.4 GWh | Aug 1965 | Sep 2025 | Water |
| Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 242.3 GWh | Jul 1965 | Dec 2024 | Water |
| Pit 5 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 619.7 GWh | Mar 1944 | Sep 2025 | Water |
| Pit 4 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 399.5 GWh | Jun 1955 | Sep 2025 | Water |
| Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 332.8 GWh | Jun 1925 | Dec 2024 | Water |
| Kern River 3 | Southern California Edison Co | Kernville, CA | California Independent System Operator (CISO) | 142.8 GWh | Feb 1921 | Dec 2024 | Water |
| Pardee | East Bay Municipal Util Dist | Valley Springs, CA | California Independent System Operator (CISO) | 117.8 GWh | Jun 1930 | Dec 2024 | Water |
| Terror Lake Microgrid | Kodiak Electric Assn Inc | Kodiak, AK | 134.1 GWh | Nov 1984 | Dec 2024 | Water | |
| Rush Creek | Southern California Edison Co | June lake, CA | California Independent System Operator (CISO) | 43.0 GWh | Sep 1916 | Dec 2024 | Water |
| Eklutna Hydro Project | Chugach Electric Assn Inc | Palmer, AK | 120.4 GWh | Dec 1954 | Dec 2024 | Water | |
| Snettisham | Alaska Electric Light & Power Co. | Juneau, AK | 332.7 GWh | Oct 1973 | Dec 2024 | Water | |
| Ketchikan | Ketchikan Public Utilities | Ketchikan, AK | 19.1 GWh | Dec 1937 | Dec 2024 | Water | |
| Portal | Southern California Edison Co | Lakeshore, CA | California Independent System Operator (CISO) | 18.7 GWh | Nov 1956 | Dec 2024 | Water |
| Poole | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 22.8 GWh | Apr 1924 | Dec 2024 | Water |
| Ashokan | New York Power Authority | Kingston, NY | New York Independent System Operator (NYIS) | 11.2 GWh | Oct 1982 | Dec 2024 | Water |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 383.3 GWh | Feb 1960 | Sep 2025 | Water |
| Lundy | Southern California Edison Co | Lee Vining, CA | California Independent System Operator (CISO) | 7.3 GWh | Nov 1911 | Dec 2024 | Water |
| Kern River 1 | Southern California Edison Co | Bakersfield, CA | California Independent System Operator (CISO) | 192.1 GWh | Apr 1907 | Dec 2024 | Water |
| Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 188.4 GWh | Aug 1922 | Dec 2024 | Water |
| Kaweah 2 | Southern California Edison Co | Three Rivers, CA | California Independent System Operator (CISO) | 1.3 GWh | Aug 1929 | Dec 2024 | Water |
| Blue Lake Hydro | City & Borough of Sitka - (AK) | Sitka, AK | 75.4 GWh | May 1961 | Dec 2024 | Water | |
| Fontana | Southern California Edison Co | Rialto, CA | California Independent System Operator (CISO) | 8.7 GWh | Nov 1917 | Dec 2024 | Water |
| Bishop Creek 6 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 10.4 GWh | Feb 1913 | Dec 2024 | Water |
| Bishop Creek 5 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 16.9 GWh | May 1919 | Sep 2024 | Water |
| Bishop Creek 4 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 40.1 GWh | Aug 1905 | Dec 2024 | Water |
| Bishop Creek 3 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 20.3 GWh | May 1913 | Dec 2024 | Water |
| Bishop Creek 2 | Southern California Edison Co | Bishop, CA | California Independent System Operator (CISO) | 16.4 GWh | Oct 1908 | Dec 2024 | Water |
| Big Creek 2A | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 211.3 GWh | Jul 1928 | Sep 2025 | Water |
| Big Creek 8 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 173.8 GWh | Jul 1921 | Dec 2024 | Water |
| Big Creek 4 | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 322.1 GWh | May 1951 | Sep 2025 | Water |
| Norfork | USCE-Little Rock District | Salesville, AR | Southwestern Power Administration (SPA) | 187.6 GWh | May 1944 | Dec 2024 | Water |
| Turlock Lake | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 7.0 GWh | Jun 1980 | Dec 2024 | Water |
| Hickman | Turlock Irrigation District | Hickman, CA | Turlock Irrigation District (TIDC) | 3.6 GWh | Aug 1979 | Dec 2024 | Water |
| Carpenter | Entergy Arkansas LLC | Hot Springs, AR | Midcontinent Independent System Operator, Inc. (MISO) | 102.4 GWh | Dec 1931 | Dec 2024 | Water |
| Cresta | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 338.1 GWh | Oct 1949 | Dec 2024 | Water |
| Coleman PH | Pacific Gas & Electric Co. | Anderson, CA | California Independent System Operator (CISO) | 26.6 GWh | May 1979 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |