Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Greenup Hydro | City of Hamilton - (OH) | Franklin Furnace, OH | PJM Interconnection, LLC (PJM) | 265.6 GWh | Nov 1982 | Dec 2025 | Water |
| Echo Dam | City of Bountiful - (UT) | Echo, UT | PacifiCorp East (PACE) | 8.6 GWh | Feb 1987 | Oct 2025 | Water |
| Alexander | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.9 GWh | Dec 1924 | Dec 2025 | Water |
| Trego | Northern States Power Co - Minnesota | Hayward, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Dec 1926 | Dec 2025 | Water |
| Wissota | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 118.3 GWh | Dec 1916 | Dec 2025 | Water |
| Clam River Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Mar 1942 | Dec 2025 | Water |
| Danbury Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Dec 1920 | Dec 2025 | Water |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 GWh | Jul 1916 | Dec 2025 | Water |
| Oconto Falls Upper | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Dec 1917 | Dec 2025 | Water |
| Pine | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.1 GWh | May 1922 | Dec 2025 | Water |
| Kilbourn | Wisconsin Power & Light Co | Wisconsin Dells, WI | Midcontinent Independent System Operator, Inc. (MISO) | 49.2 GWh | Jun 1926 | Dec 2025 | Water |
| Prairie Du Sac | Wisconsin Power & Light Co | Prairie du Sac, WI | Midcontinent Independent System Operator, Inc. (MISO) | 152.9 GWh | Sep 1915 | Dec 2025 | Water |
| Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 21.9 GWh | Aug 1984 | Dec 2025 | Water |
| Noxon Rapids | Avista Corp | Noxon, MT | Avista Corporation (AVA) | 1.4 TWh | Aug 1959 | Dec 2025 | Water |
| Caldron Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Oct 1924 | Dec 2025 | Water |
| Grandfather Falls | Wisconsin Public Service Corp | Irma, WI | Midcontinent Independent System Operator, Inc. (MISO) | 79.1 GWh | Nov 1938 | Dec 2025 | Water |
| Hat Rapids | Wisconsin Public Service Corp | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | May 1923 | Dec 2025 | Water |
| High Falls (WI) | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 15.6 GWh | Jul 1910 | Dec 2025 | Water |
| Johnson Falls | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jun 1923 | Dec 2025 | Water |
| Merrill | Wisconsin Public Service Corp | Merrill, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Feb 1917 | Dec 2025 | Water |
| Potato Rapids | Wisconsin Public Service Corp | Town of Porterfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Apr 1921 | Dec 2025 | Water |
| Sandstone Rapids | Wisconsin Public Service Corp | Town of Stephenson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.7 GWh | Dec 1924 | Dec 2025 | Water |
| Tomahawk | Wisconsin Public Service Corp | Tomahawk, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Dec 1937 | Dec 2025 | Water |
| Wausau | Wisconsin Public Service Corp | Wausau, WI | Midcontinent Independent System Operator, Inc. (MISO) | 24.5 GWh | Feb 1921 | Dec 2025 | Water |
| Garvins Falls | Central Rivers Power NH, LLC | Bow, NH | ISO New England (ISNE) | 24.8 GWh | Jul 1925 | Dec 2025 | Water |
| Milton | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 33.8 GWh | Jan 1929 | Dec 2025 | Water |
| Peterson | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 25.1 GWh | Jan 1948 | Dec 2025 | Water |
| Pittsford | Green Mountain Power Corp | Pittsford, VT | ISO New England (ISNE) | 7.5 GWh | Jan 1914 | Dec 2025 | Water |
| Salisbury | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 2.4 GWh | Jan 1917 | Dec 2025 | Water |
| Smith (NH) | Central Rivers Power NH, LLC | Berlin, NH | ISO New England (ISNE) | 87.5 GWh | Jul 1948 | Dec 2025 | Water |
| Silver Lake (VT) | Green Mountain Power Corp | Salisbury, VT | ISO New England (ISNE) | 5.2 GWh | Jan 1917 | Dec 2025 | Water |
| Weybridge | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 9.7 GWh | Jan 1951 | Dec 2025 | Water |
| Newport | Great Bay Hydro Corp | Newport, VT | ISO New England (ISNE) | 12.9 GWh | Dec 1935 | Dec 2025 | Water |
| Jackman | Central Rivers Power NH, LLC | Hillsborough, NH | ISO New England (ISNE) | 8.4 GWh | Jan 1926 | Aug 2025 | Water |
| Hooksett | Central Rivers Power NH, LLC | Hooksett, NH | ISO New England (ISNE) | 6.3 GWh | Jul 1927 | Dec 2025 | Water |
| Gorham | Central Rivers Power NH, LLC | Gorham, NH | ISO New England (ISNE) | 8.4 GWh | Jul 1917 | Dec 2025 | Water |
| Lower Middlebury | Green Mountain Power Corp | Middlebury Lower, VT | ISO New England (ISNE) | 5.2 GWh | Jul 1917 | Dec 2025 | Water |
| Eastman Falls | Central Rivers Power NH, LLC | Franklin, NH | ISO New England (ISNE) | 21.9 GWh | Jul 1937 | Dec 2025 | Water |
| Ayers Island | Central Rivers Power NH, LLC | Bristol, NH | ISO New England (ISNE) | 36.3 GWh | Jul 1925 | Dec 2025 | Water |
| Amoskeag | Central Rivers Power NH, LLC | Manchester, NH | ISO New England (ISNE) | 64.9 GWh | Jul 1922 | Dec 2025 | Water |
| Wilder | Great River Hydro, LLC | Hartford, VT | ISO New England (ISNE) | 134.4 GWh | Oct 1950 | Dec 2025 | Water |
| Vernon Dam | Great River Hydro, LLC | Vernon, VT | ISO New England (ISNE) | 119.5 GWh | Jul 1909 | Dec 2025 | Water |
| S C Moore | Great River Hydro, LLC | Littleton, NH | ISO New England (ISNE) | 254.7 GWh | Dec 1956 | Dec 2025 | Water |
| Comerford | Great River Hydro, LLC | Monroe, NH | ISO New England (ISNE) | 296.8 GWh | Aug 1930 | Dec 2025 | Water |
| Box Canyon | PUD No 1 of Pend Oreille County - (WA) | Ione, WA | Avista Corporation (AVA) | 459.8 GWh | May 1955 | Dec 2025 | Water |
| Middlesex 2 | Green Mountain Power Corp | Moretown, VT | ISO New England (ISNE) | 5.9 GWh | Dec 1927 | Dec 2025 | Water |
| West Danville 15 | Green Mountain Power Corp | Danville, VT | ISO New England (ISNE) | 2.2 GWh | Dec 1916 | Dec 2025 | Water |
| Bartholomew | City of Springville - (UT) | Springville, UT | PacifiCorp East (PACE) | 1.6 GWh | Mar 1988 | Dec 2025 | Water |
| Marble Falls | Lower Colorado River Authority | Marble Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 23.8 GWh | Aug 1951 | Dec 2025 | Water |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 45.2 GWh | Dec 1940 | Dec 2025 | Water |
| Upper Beaver | Beaver City Corporation | Beaver, UT | PacifiCorp East (PACE) | 8.1 GWh | Jul 1907 | Jun 2025 | Water |
| Cutler Hydro | PacifiCorp | Collinston, UT | PacifiCorp East (PACE) | 41.2 GWh | Jun 1927 | Dec 2025 | Water |
| Pioneer | PacifiCorp | Ogden, UT | PacifiCorp East (PACE) | 10.4 GWh | May 1910 | Oct 2025 | Water |
| Snake Creek | Heber Light & Power Company | Midway, UT | PacifiCorp East (PACE) | 3.8 GWh | Jun 1910 | Nov 2025 | Water |
| Stairs | PacifiCorp | Salt Lake City, UT | PacifiCorp East (PACE) | 4.1 GWh | Jun 1912 | Dec 2025 | Water |
| Brigham City | Brigham City Corporation | Brigham, UT | PacifiCorp East (PACE) | 5.0 GWh | Dec 1920 | Dec 2025 | Water |
| Sturgeon | Central Hudson Gas & Elec Corp | Tillson, NY | New York Independent System Operator (NYIS) | 49.1 GWh | Dec 1923 | Dec 2025 | Water |
| Neversink | New York Power Authority | Grahmsville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Nov 1953 | Nov 2025 | Water |
| Dashville | Central Hudson Gas & Elec Corp | Dashville, NY | New York Independent System Operator (NYIS) | 11.9 GWh | Dec 1919 | Dec 2025 | Water |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1926 | Dec 2025 | Water |
| Spanish Fork | Strawberry Water Users Assn | Spanish Fork, UT | PacifiCorp East (PACE) | 14.5 GWh | Sep 1937 | Dec 2024 | Water |
| Gateway | Weber Basin Water Conserv Dist | Mountain Green, UT | PacifiCorp East (PACE) | 8.0 GWh | Jul 1958 | Dec 2025 | Water |
| Wanship | Weber Basin Water Conserv Dist | Wanship, UT | PacifiCorp East (PACE) | 4.9 GWh | Jul 1958 | Dec 2025 | Water |
| Boulder | Garkane Energy Coop, Inc | Boulder, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 17.2 GWh | Jul 1958 | Dec 2025 | Water |
| Uintah | Moon Lake Electric Assn Inc | Neola, UT | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.5 GWh | Jun 1920 | Dec 2025 | Water |
| Smith (VT) | Green Mountain Power Corp | Bradford, VT | ISO New England (ISNE) | 1.8 GWh | Nov 1982 | Dec 2025 | Water |
| Cavendish | Green Mountain Power Corp | Cavendish, VT | ISO New England (ISNE) | 1.4 GWh | Jan 1907 | Dec 2025 | Water |
| Clark Falls | Green Mountain Power Corp | Milton, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1937 | Dec 2025 | Water |
| Fairfax Falls | Green Mountain Power Corp | Fairfax, VT | ISO New England (ISNE) | 16.1 GWh | Jan 1919 | Dec 2025 | Water |
| Glen | Green Mountain Power Corp | Rutland, VT | ISO New England (ISNE) | 6.3 GWh | Jul 1920 | Dec 2025 | Water |
| Long Lake | Avista Corp | Ford, WA | Avista Corporation (AVA) | 435.4 GWh | Sep 1915 | Dec 2025 | Water |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 124.6 GWh | Dec 1935 | Dec 2025 | Water |
| Bellows Falls | Great River Hydro, LLC | Bellow Falls, VT | ISO New England (ISNE) | 194.3 GWh | Feb 1928 | Dec 2025 | Water |
| Radford | City of Radford - (VA) | Radford, VA | PJM Interconnection, LLC (PJM) | 5.0 GWh | Sep 1934 | Dec 2025 | Water |
| John H Kerr | USCE-Wilmington District | Boydton, VA | PJM Interconnection, LLC (PJM) | 346.4 GWh | Oct 1952 | Dec 2025 | Water |
| Merwin | PacifiCorp | Ariel, WA | PacifiCorp West (PACW) | 422.6 GWh | Jun 1931 | Dec 2025 | Water |
| Swift 1 | PacifiCorp | Cougar, WA | PacifiCorp West (PACW) | 514.8 GWh | Nov 1958 | Aug 2026 | Water |
| Yale | PacifiCorp | Amboy, WA | PacifiCorp West (PACW) | 472.5 GWh | Aug 1953 | Dec 2025 | Water |
| Lower Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 364.8 GWh | Feb 1960 | Dec 2025 | Water |
| Snoqualmie | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 59.2 GWh | Dec 1897 | Dec 2025 | Water |
| Upper Baker | Puget Sound Energy Inc | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 332.7 GWh | Dec 1958 | Dec 2025 | Water |
| Little Falls (WA) | Avista Corp | Ford, WA | Avista Corporation (AVA) | 188.8 GWh | Jun 1910 | Dec 2025 | Water |
| Pinnacles | Northbrook Virginia Hydro, LLC | Ararat, VA | PJM Interconnection, LLC (PJM) | 21.8 GWh | May 1938 | Dec 2025 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 8.7 GWh | May 1915 | Dec 2025 | Water |
| Nine Mile | Avista Corp | Nine Mile, WA | Avista Corporation (AVA) | 132.2 GWh | Jun 1908 | Dec 2025 | Water |
| Johnson 2 | Central Nebraska Pub P&I Dist | Lexington, NE | Southwest Power Pool (SWPP) | 63.0 GWh | Mar 1941 | Dec 2025 | Water |
| Johnson 1 | Central Nebraska Pub P&I Dist | Elwood, NE | Southwest Power Pool (SWPP) | 50.8 GWh | Mar 1941 | Dec 2025 | Water |
| Jeffrey | Central Nebraska Pub P&I Dist | Brady, NE | Southwest Power Pool (SWPP) | 81.0 GWh | Dec 1940 | Dec 2025 | Water |
| Yelm | City of Centralia - (WA) | Yelm, WA | Bonneville Power Administration (BPAT) | 32.2 GWh | Nov 1930 | Dec 2025 | Water |
| Rocky Reach | PUD No 1 of Chelan County - (WA) | Wenatchee, WA | Public Utility District No. 1 of Chelan County (CHPD) | 6.4 TWh | May 1961 | Aug 2026 | Water |
| Wells | PUD No 1 of Douglas County - (WA) | Chelan, WA | PUD No. 1 of Douglas County (DOPD) | 4.4 TWh | Aug 1967 | Aug 2026 | Water |
| Priest Rapids | PUD No 2 of Grant County - (WA) | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.9 TWh | Sep 1959 | Aug 2026 | Water |
| Wanapum | PUD No 2 of Grant County - (WA) | Beverly, WA | Public Utility District No. 2 of Grant County, Washington (GCPD) | 5.4 TWh | May 1963 | Aug 2026 | Water |
| Claytor | Appalachian Power Co | Radford, VA | PJM Interconnection, LLC (PJM) | 194.0 GWh | Jul 1939 | Dec 2025 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 98.2 GWh | Apr 1924 | Dec 2025 | Water |
| Canaan | Central Rivers Power NH, LLC | Canaan, VT | ISO New England (ISNE) | 6.3 GWh | Jul 1927 | Dec 2025 | Water |
| West Charleston | Barton Village, Inc | West Charleston, VT | ISO New England (ISNE) | 5.8 GWh | Jun 1931 | Jul 2025 | Water |
| Great Falls (VT) | The Town of Lyndon Elec Dept - (VT) | Lyndon, VT | ISO New England (ISNE) | 1.9 GWh | Jul 1915 | Dec 2025 | Water |
| Morrisville | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 5.0 GWh | Jul 1924 | Dec 2025 | Water |
| Cadys Falls | Village of Morrisville - (VT) | Morrisville, VT | ISO New England (ISNE) | 2.2 GWh | Jul 1914 | 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 |