Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wissota | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 135.9 GWh | Dec 1916 | 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 |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.4 GWh | Nov 1938 | 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 |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 16.4 GWh | Jul 1910 | 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 |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Feb 1917 | Dec 2024 | Water |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2024 | Water |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.8 GWh | Dec 1924 | Dec 2024 | Water |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Dec 1937 | Dec 2024 | Water |
| West Marinette | Wisconsin Public Service Corp | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.6 GWh | May 1971 | Dec 2024 | Natural Gas |
| Wausau | Wisconsin Public Service Corp | Wausau, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 GWh | Feb 1921 | Dec 2024 | Water |
| Castle Rock | Wisconsin River Power Company | Adams, WI | Midcontinent Independent System Operator, Inc. (MISO) | 91.9 GWh | Jul 1950 | Dec 2024 | Water |
| Petenwell | Wisconsin River Power Company | Necedah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 108.4 GWh | Jul 1949 | Dec 2024 | Water |
| Arcadia Electric | City of Arcadia - (WI) | Arcadia, WI | Midcontinent Independent System Operator, Inc. (MISO) | 150.0 MWh | Dec 1929 | Dec 2024 | Distillate Fuel Oil : 67.3% Natural Gas : 32.7% |
| Barron | City of Barron - (WI) | Barron, WI | Midcontinent Independent System Operator, Inc. (MISO) | 342.0 MWh | Jul 1923 | Dec 2024 | Water |
| Cashton | Village of Cashton - (WI) | Cashton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 MWh | Jul 1932 | Dec 2024 | Distillate Fuel Oil : 98.9% Natural Gas : 1.1% |
| Cumberland (WI) | City of Cumberland - (WI) | Cumberland, WI | Midcontinent Independent System Operator, Inc. (MISO) | 260.0 MWh | Jul 1939 | Dec 2024 | Distillate Fuel Oil : 71.5% Natural Gas : 28.5% |
| Elroy | City of Elroy - (WI) | Elroy, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Apr 1973 | Dec 2024 | Distillate Fuel Oil |
| Fennimore | City of Fennimore - (WI) | Fennimore, WI | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 MWh | Jan 1952 | Dec 2024 | Distillate Fuel Oil |
| Kaukauna Gas Turbine | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Apr 1969 | Dec 2024 | Natural Gas |
| Little Chute | City of Kaukauna | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 23.8 GWh | May 1948 | Dec 2024 | Water |
| Rapide Croche | City of Kaukauna | Kaukana, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | Dec 1925 | Dec 2024 | Water |
| La Farge | La Farge Municipal Electric Co | La Farge, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Sep 1990 | Dec 2024 | Distillate Fuel Oil |
| New Lisbon | City of New Lisbon | New Lisbon, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Dec 1965 | Dec 2024 | Distillate Fuel Oil |
| Viola | Village of Viola - (WI) | Viola, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Flambeau Hydroelectric Station | Dairyland Power Coop | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 62.1 GWh | Dec 1950 | Dec 2024 | Water |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Feb 1949 | 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 |
| 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 |
| Guernsey | U S Bureau of Reclamation | Guernsey, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 18.0 GWh | Jun 1927 | Dec 2024 | Water |
| Kortes | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 155.4 GWh | May 1950 | Dec 2024 | Water |
| Seminoe | U S Bureau of Reclamation | Sinclair, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 137.0 GWh | Jul 1939 | Dec 2024 | Water |
| Shoshone (WY) | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 17.6 GWh | Mar 1922 | Dec 2024 | Water |
| Fontenelle | U S Bureau of Reclamation | Le Barge, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 53.3 GWh | Apr 1968 | Dec 2024 | Water |
| Powerlane Plant | City of Greenville - (TX) | Greenville, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 48.9 GWh | Dec 1965 | Dec 2024 | Natural Gas : 95.3% Distillate Fuel Oil : 4.7% |
| Combined Locks | City of Kaukauna | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 43.4 GWh | Jan 1988 | Dec 2024 | Water |
| Island Park | Fall River Rural Elec Coop Inc | Island Park, ID | Bonneville Power Administration (BPAT) | 17.9 GWh | Mar 1994 | Dec 2024 | Water |
| PHP 1 | Portland City of | Sandy, OR | Portland General Electric Company (PGE) | 46.4 GWh | Jan 1982 | Dec 2024 | Water |
| PHP 2 | Portland City of | Sandy, OR | Portland General Electric Company (PGE) | 35.5 GWh | Jan 1982 | Dec 2024 | Water |
| Logan City | City of Logan - (UT) | Logan, UT | PacifiCorp East (PACE) | 4.6 GWh | Jun 2002 | Dec 2024 | Natural Gas |
| Walnut | Turlock Irrigation District | Turlock, CA | Turlock Irrigation District (TIDC) | 429.0 MWh | Mar 1986 | Dec 2024 | Natural Gas : 90.5% Distillate Fuel Oil : 9.5% |
| Greenup Hydro | City of Hamilton - (OH) | Franklin Furnace, OH | PJM Interconnection, LLC (PJM) | 261.5 GWh | Nov 1982 | Dec 2024 | Water |
| Cumberland (NJ) | Calpine New Jersey Generation LLC | Millville, NJ | PJM Interconnection, LLC (PJM) | 59.9 GWh | Apr 1990 | Dec 2024 | Natural Gas : 99.3% Kerosene : 0.7% |
| Racine | Eagle Creek Renewable Energy, LLC | Racine, OH | PJM Interconnection, LLC (PJM) | 174.8 GWh | Aug 1982 | Dec 2024 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 26.5 GWh | Nov 1926 | Dec 2024 | Water |
| DeBary | Duke Energy Florida, LLC | DeBary, FL | Duke Energy Florida, Inc. (FPC) | 50.1 GWh | Nov 1975 | Dec 2024 | Natural Gas : 88.2% Distillate Fuel Oil : 11.8% |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.2 GWh | Jul 1913 | Dec 2024 | Water |
| West Tisbury Generating Facility | Vineyard Reliability LLC | West Tisbury, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1974 | Dec 2024 | Distillate Fuel Oil |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 157.1 GWh | Apr 1948 | Dec 2024 | Residual Fuel Oil | |
| Cascade Creek | Rochester Public Utilities | Rochester, MN | Midcontinent Independent System Operator, Inc. (MISO) | 29.0 GWh | May 1975 | Dec 2024 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Coachella | Imperial Irrigation District | Coachella, CA | Imperial Irrigation District (IID) | 172.0 MWh | May 1973 | Dec 2024 | Natural Gas : 98.8% Distillate Fuel Oil : 1.2% |
| Electrifarm | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | Apr 1975 | Dec 2024 | Natural Gas |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 25.0 GWh | Jul 1912 | Dec 2024 | Water |
| Cornell | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.4 GWh | Jun 1976 | Dec 2024 | Water |
| North Loop | Tucson Electric Power Co | Tucson, AZ | Tucson Electric Power (TEPC) | 2.5 GWh | Nov 1972 | Dec 2024 | Natural Gas |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 20.2 GWh | Jul 1912 | Dec 2024 | Water |
| Whitehorn | Puget Sound Energy Inc | Blaine, WA | Puget Sound Energy, Inc. (PSEI) | 230.3 GWh | Sep 1981 | Dec 2024 | Natural Gas : 97.5% Distillate Fuel Oil : 2.5% |
| Shrewsbury | Town of Shrewsbury - (MA) | Shrewsbury, MA | ISO New England (ISNE) | 34.0 MWh | Oct 1969 | Dec 2024 | Distillate Fuel Oil |
| Amistad Dam & Power | International Bound & Wtr Comm | Del Rio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 50.6 GWh | May 1983 | Dec 2024 | Water |
| Jones Bluff | USCE-Mobile District | Selma, AL | Southern Company Services, Inc. - Trans (SOCO) | 243.7 GWh | May 1975 | Dec 2024 | Water |
| West Point (GA) | USCE-Mobile District | West Point, GA | Southern Company Services, Inc. - Trans (SOCO) | 181.0 GWh | Mar 1975 | Dec 2024 | Water |
| Ozark | USCE-Little Rock District | Ozark, AR | Southwestern Power Administration (SPA) | 314.7 GWh | Oct 1972 | Dec 2024 | Water |
| Crystal | U S Bureau of Reclamation | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 144.3 GWh | May 1978 | Dec 2024 | Water |
| Laurel Dam | USCE-Nashville District | London, KY | PJM Interconnection, LLC (PJM) | 53.2 GWh | Oct 1977 | Dec 2024 | Water |
| Libby | USACE Northwestern Division | Libby, MT | Bonneville Power Administration (BPAT) | 1.9 TWh | Jul 1975 | Dec 2024 | Water |
| Lost Creek | USACE Northwestern Division | Trail, OR | PacifiCorp West (PACW) | 289.1 GWh | Aug 1977 | Dec 2024 | Water |
| Harris Dam | Alabama Power Co | Lineville, AL | Southern Company Services, Inc. - Trans (SOCO) | 115.6 GWh | Mar 1983 | Dec 2024 | Water |
| W E Warne | California Dept. of Water Resources | Gorman, CA | California Independent System Operator (CISO) | 171.5 GWh | Oct 1982 | Dec 2024 | Water |
| Tacoma | Public Service Co of Colorado | Durango, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.3 GWh | May 1905 | Dec 2024 | Water |
| Northeast (WA) | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 1.2 GWh | Nov 1978 | Dec 2024 | Natural Gas |
| Durant | City of Durant - (IA) | Durant, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 MWh | Jun 1970 | Dec 2024 | Distillate Fuel Oil |
| Empire Energy Center | Empire District Electric Co | Sarcoxie, MO | Southwest Power Pool (SWPP) | 133.9 GWh | Feb 1978 | Dec 2024 | Natural Gas : 85.7% Jet Fuel : 14.3% |
| Mobile | Nebraska Public Power District | York, NE | Southwest Power Pool (SWPP) | 45.0 MWh | Dec 1979 | Dec 2024 | Distillate Fuel Oil |
| Apple River | Northern States Power Co - Minnesota | Somerset, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Dec 1900 | Dec 2024 | Water |
| Pearl Station | Prairie Power, Inc | Pearl, IL | Midcontinent Independent System Operator, Inc. (MISO) | 161.0 MWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| Dansby | City of Bryan - (TX) | Bryan, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 149.9 GWh | Aug 1978 | Dec 2024 | Natural Gas |
| Germantown | Wisconsin Electric Power Co | Germantown, WI | Midcontinent Independent System Operator, Inc. (MISO) | 28.1 GWh | Jun 1978 | Dec 2024 | Natural Gas : 94.1% Distillate Fuel Oil : 5.9% |
| Wilson | Georgia Power Co | Waynesboro, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.6 GWh | Nov 1972 | Dec 2024 | Distillate Fuel Oil |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 53.2 GWh | May 1931 | Dec 2024 | Water |
| Seldovia | Homer Electric Assn Inc | Seldovia, AK | 68.0 MWh | Nov 2004 | Dec 2024 | Distillate Fuel Oil | |
| Fairbanks | Golden Valley Elec Assn Inc | Fairbanks, AK | (NA) | 8.7 GWh | Apr 1970 | Dec 2024 | Distillate Fuel Oil |
| Cooper Lake | Chugach Electric Assn Inc | Cooper Landing, AK | 38.1 GWh | Apr 1961 | Dec 2024 | Water | |
| Bernice Lake | Homer Electric Assn Inc | Nikiski, AK | 1.3 GWh | Oct 1971 | Dec 2024 | Natural Gas | |
| Unalakleet | Unalakleet Valley Elec Coop | Unalakleet, AK | 3.7 GWh | Apr 2010 | Dec 2024 | Distillate Fuel Oil | |
| Naknek | Naknek Electric Assn, Inc | Naknek, AK | 21.6 GWh | Nov 1977 | Dec 2024 | Distillate Fuel Oil | |
| Purple Lake | Metlakatla Power & Light | Metlakatla, AK | 12.3 GWh | Dec 1955 | Dec 2024 | Water | |
| Kotzebue Hybrid | Kotzebue Electric Assn Inc | Kotzebue, AK | 19.4 GWh | Jul 1987 | Dec 2024 | Distillate Fuel Oil : 85.3% Wind : 14.7% | |
| Glennallen | Copper Valley Elec Assn, Inc | Glennallen, AK | 6.5 GWh | Mar 1963 | Dec 2024 | Distillate Fuel Oil | |
| Valdez | Copper Valley Elec Assn, Inc | Valdez, AK | 4.2 GWh | Dec 1966 | Dec 2024 | Distillate Fuel Oil | |
| Chevak | Alaska Village Elec Coop, Inc | Chevak, AK | 2.5 GWh | Sep 2009 | Dec 2024 | Distillate Fuel Oil | |
| Emmonak | Alaska Village Elec Coop, Inc | Emmonak, AK | 5.7 GWh | Mar 1995 | Dec 2024 | Distillate Fuel Oil |
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 |