Directory of Power Plants in the United States
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 329.0 GWh | Feb 2013 | Dec 2024 | Water |
Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 434.6 GWh | Jul 1915 | Dec 2024 | Water |
Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 436.4 GWh | Jun 1915 | Dec 2024 | Water |
Noxon Rapids | Avista Corp | Noxon, MT | Avista Corporation (AVA) | 1.3 TWh | Aug 1959 | Dec 2024 | Water |
Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 10.8 GWh | Dec 1923 | 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) | 1.4 TWh | Feb 1928 | Apr 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 |
North Gorham | Brookfield White Pine Hydro LLC | Gorham, ME | ISO New England (ISNE) | 6.6 GWh | Dec 1924 | 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 |
Hungry Horse | U S Bureau of Reclamation | Columbia Falls, MT | Bonneville Power Administration (BPAT) | 730.3 GWh | Sep 1952 | 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 |
Ellsworth Hydro Station | Brookfield Black Bear Hydro, LLC | Ellsworth, ME | ISO New England (ISNE) | 21.9 GWh | Jun 1924 | Dec 2024 | Water |
Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Aug 1984 | Dec 2024 | Water |
Wolf Creek | USCE-Nashville District | Jamestown, KY | Tennessee Valley Authority (TVA) | 723.8 GWh | Sep 1951 | Dec 2024 | Water |
Kentucky Dam | Tennessee Valley Authority | Grand Rivers, KY | Tennessee Valley Authority (TVA) | 1.1 TWh | Aug 1944 | Apr 2025 | Water |
Kaweah 2 | Southern California Edison Co | Three Rivers, CA | California Independent System Operator (CISO) | 1.3 GWh | Aug 1929 | 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 |
Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 305.9 GWh | Dec 1926 | Dec 2024 | Water |
Angels | Utica Water & Power Authority | Angels Camp, CA | California Independent System Operator (CISO) | 6.3 GWh | Dec 1939 | Dec 2024 | Water |
Blue Lake Hydro | City & Borough of Sitka - (AK) | Sitka, AK | 75.4 GWh | May 1961 | 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 |
North Platte | Nebraska Public Power District | North Platte, NE | Southwest Power Pool (SWPP) | 65.4 GWh | Dec 1934 | Dec 2024 | Water |
Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 421.5 GWh | Feb 1960 | Apr 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 |
Kern River 3 | Southern California Edison Co | Kernville, CA | California Independent System Operator (CISO) | 142.8 GWh | Feb 1921 | Dec 2024 | Water |
Dutch Flat | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 27.1 GWh | Feb 1943 | Dec 2024 | Water |
J S Eastwood | Southern California Edison Co | Shaver Lake, CA | California Independent System Operator (CISO) | 1.3 GWh | Nov 1987 | Apr 2025 | 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) | 283.1 GWh | Jul 1928 | Apr 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) | 353.2 GWh | May 1951 | Apr 2025 | Water |
Big Creek 3 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 593.2 GWh | Aug 1923 | Apr 2025 | Water |
Alta Powerhouse | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 1.4 GWh | Oct 1902 | Dec 2024 | Water |
Snettisham | Alaska Electric Light & Power Co. | Juneau, AK | 332.7 GWh | Oct 1973 | Dec 2024 | Water | |
Pleasant Valley Hydro | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 9.7 GWh | Jan 1958 | Nov 2024 | Water |
Middle Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 90.9 GWh | Apr 1952 | Dec 2024 | Water |
Ketchikan | Ketchikan Public Utilities | Ketchikan, AK | 19.1 GWh | Dec 1937 | Dec 2024 | Water | |
Ashokan | New York Power Authority | Kingston, NY | New York Independent System Operator (NYIS) | 11.2 GWh | Oct 1982 | Dec 2024 | Water |
Haiwee | Los Angeles Department of Water & Power | Olancha, CA | Los Angeles Department of Water and Power (LDWP) | 5.1 GWh | Jun 1927 | Dec 2024 | Water |
Foothill | Los Angeles Department of Water & Power | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 39.6 GWh | Sep 1971 | Dec 2024 | Water |
Cottonwood | Los Angeles Department of Water & Power | Lone Pine, CA | Los Angeles Department of Water and Power (LDWP) | 2.1 GWh | Oct 1908 | Dec 2024 | Water |
Control Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 89.7 GWh | Mar 1952 | Dec 2024 | Water |
Castaic | Los Angeles Department of Water & Power | Castaic, CA | Los Angeles Department of Water and Power (LDWP) | 177.0 GWh | Dec 1971 | Apr 2025 | Water |
Solomon Gulch | Copper Valley Elec Assn, Inc | Valdez, AK | 43.2 GWh | Dec 1981 | Dec 2024 | Water | |
Big Creek 2 | Southern California Edison Co | Auberry, CA | California Independent System Operator (CISO) | 355.2 GWh | Nov 1913 | Dec 2024 | Water |
Pilot Knob | Imperial Irrigation District | Winterhaven, CA | Imperial Irrigation District (IID) | 16.7 GWh | Dec 1956 | Dec 2024 | Water |
Drop 4 | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 78.2 GWh | Jan 1941 | Dec 2024 | Water |
Drop 3 (CA) | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 26.4 GWh | Jan 1941 | Dec 2024 | Water |
Drop 2 (CA) | Imperial Irrigation District | Holtville, CA | Imperial Irrigation District (IID) | 29.5 GWh | Nov 1953 | Dec 2024 | Water |
R C Kirkwood | City & County of San Francisco | Groveland, CA | California Independent System Operator (CISO) | 412.1 GWh | Jan 1967 | Apr 2025 | Water |
Moccasin | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 278.2 GWh | Jul 1969 | Apr 2025 | Water |
Dion R Holm | City & County of San Francisco | Groveland, CA | California Independent System Operator (CISO) | 492.3 GWh | Jul 1960 | Apr 2025 | Water |
Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Mar 1920 | 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 |
Drum 2 | Pacific Gas & Electric Co. | Alta, CA | California Independent System Operator (CISO) | 148.6 GWh | Nov 1965 | Dec 2024 | Water |
Jordan Dam | Alabama Power Co | Wetumpka, AL | Southern Company Services, Inc. - Trans (SOCO) | 270.7 GWh | Dec 1928 | Dec 2024 | Water |
Balch 1 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 138.8 GWh | Jan 1927 | Dec 2024 | Water |
El Dorado | El Dorado Irrigation District | Pollock Pines, CA | California Independent System Operator (CISO) | 80.9 GWh | Dec 1923 | Dec 2024 | Water |
Poe | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 278.7 GWh | Sep 1958 | Apr 2025 | Water |
Pit 7 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 343.4 GWh | Aug 1965 | Apr 2025 | Water |
Pit 6 | Pacific Gas & Electric Co. | Montgomery Creek, CA | California Independent System Operator (CISO) | 242.3 GWh | Jul 1965 | Dec 2024 | Water |
Electra | Pacific Gas & Electric Co. | Jackson, CA | California Independent System Operator (CISO) | 244.8 GWh | May 1948 | Apr 2025 | Water |
Pit 5 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 527.8 GWh | Mar 1944 | Apr 2025 | Water |
Pit 4 | Pacific Gas & Electric Co. | Big Bend, CA | California Independent System Operator (CISO) | 386.6 GWh | Jun 1955 | Apr 2025 | Water |
Pit 3 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 332.8 GWh | Jun 1925 | Dec 2024 | Water |
Pit 1 | Pacific Gas & Electric Co. | Burney, CA | California Independent System Operator (CISO) | 188.4 GWh | Aug 1922 | Dec 2024 | Water |
Phoenix | Pacific Gas & Electric Co. | Sonora, CA | California Independent System Operator (CISO) | 8.0 GWh | Jan 1940 | Oct 2024 | Water |
Haas | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 427.9 GWh | Nov 1958 | Apr 2025 | Water |
Rock Creek | Pacific Gas & Electric Co. | Storrie, CA | California Independent System Operator (CISO) | 604.5 GWh | Feb 1950 | Apr 2025 | Water |
Kearney | Nebraska Public Power District | Kearney, NE | Southwest Power Pool (SWPP) | 416.0 MWh | Dec 1920 | Sep 2024 | Water |
Narrows PH | Yuba County Water Agency | Grass Valley, CA | California Independent System Operator (CISO) | 80.8 GWh | Nov 1942 | Dec 2024 | Water |
Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 15.5 GWh | Feb 1954 | Dec 2024 | Water |
Balch 2 | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 443.4 GWh | Oct 1958 | Dec 2024 | Water |
Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
Belden | Pacific Gas & Electric Co. | Belden, CA | California Independent System Operator (CISO) | 365.1 GWh | Aug 1969 | Nov 2024 | Water |
Kings River PH | Pacific Gas & Electric Co. | Balch Camp, CA | California Independent System Operator (CISO) | 106.9 GWh | Feb 1962 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.State | Rank | Active Plants | Apr 2025 Generation |
---|---|---|---|
Alabama | # 7 | 75 | 10,243.20 GWh |
Alaska | # 48 | 142 | 476.79 GWh |
Arizona | # 15 | 173 | 7,447.02 GWh |
Arkansas | # 31 | 99 | 3,937.58 GWh |
California | # 4 | 1,664 | 15,684.45 GWh |
Colorado | # 28 | 290 | 4,479.29 GWh |
Connecticut | # 37 | 162 | 2,832.47 GWh |
Delaware | # 49 | 32 | 450.59 GWh |
District of Columbia | # 51 | 16 | 13.07 GWh |
Florida | # 2 | 317 | 20,430.69 GWh |
Georgia | # 6 | 248 | 11,378.75 GWh |
Hawaii | # 46 | 68 | 750.53 GWh |
Idaho | # 44 | 145 | 1,489.98 GWh |
Illinois | # 5 | 358 | 14,828.23 GWh |
Indiana | # 14 | 208 | 7,809.31 GWh |
Iowa | # 19 | 294 | 6,020.16 GWh |
Kansas | # 21 | 180 | 5,162.37 GWh |
Kentucky | # 25 | 57 | 4,785.23 GWh |
Louisiana | # 16 | 83 | 7,414.75 GWh |
Maine | # 45 | 208 | 1,052.11 GWh |
Maryland | # 36 | 196 | 3,016.71 GWh |
Massachusetts | # 43 | 623 | 1,491.61 GWh |
Michigan | # 9 | 269 | 9,486.98 GWh |
Minnesota | # 27 | 765 | 4,502.46 GWh |
Mississippi | # 20 | 56 | 5,727.48 GWh |
Missouri | # 23 | 120 | 5,119.33 GWh |
State | Rank | Active Plants | Apr 2025 Generation |
---|---|---|---|
Montana | # 40 | 70 | 2,029.46 GWh |
Nebraska | # 38 | 127 | 2,575.70 GWh |
Nevada | # 33 | 110 | 3,434.99 GWh |
New Hampshire | # 42 | 56 | 1,516.23 GWh |
New Jersey | # 22 | 385 | 5,160.42 GWh |
New Mexico | # 32 | 139 | 3,447.34 GWh |
New York | # 8 | 930 | 9,830.59 GWh |
North Carolina | # 10 | 909 | 9,044.94 GWh |
North Dakota | # 35 | 57 | 3,134.93 GWh |
Ohio | # 12 | 197 | 8,321.20 GWh |
Oklahoma | # 18 | 136 | 6,341.82 GWh |
Oregon | # 24 | 272 | 4,888.92 GWh |
Pennsylvania | # 3 | 255 | 17,282.62 GWh |
Rhode Island | # 47 | 97 | 690.36 GWh |
South Carolina | # 11 | 200 | 8,436.34 GWh |
South Dakota | # 41 | 52 | 1,909.63 GWh |
Tennessee | # 26 | 86 | 4,565.37 GWh |
Texas | # 1 | 885 | 43,683.73 GWh |
Utah | # 39 | 122 | 2,192.68 GWh |
Vermont | # 50 | 117 | 200.11 GWh |
Virginia | # 17 | 233 | 6,991.48 GWh |
Washington | # 13 | 134 | 8,268.23 GWh |
West Virginia | # 30 | 39 | 3,969.31 GWh |
Wisconsin | # 29 | 244 | 4,163.43 GWh |
Wyoming | # 34 | 73 | 3,236.34 GWh |