Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Sugarloaf Hydro Plant | Eagle Creek Renewable Energy, LLC | Leadville, CO | Public Service Company of Colorado (PSCO) | 5.4 GWh | Oct 1985 | Oct 2025 | Water |
| Ada Dam | Eagle Creek Renewable Energy, LLC | Ada, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Feb 1984 | Dec 2025 | Water |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 2.2 GWh | Dec 1940 | Dec 2025 | Water |
| Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 3.4 GWh | Feb 1987 | Oct 2025 | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 11.1 GWh | Nov 1986 | Dec 2025 | Water |
| Fort Miller Hydroelectric Facility | Albany Engineering Corporation | Northumberland, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Nov 1984 | Dec 2025 | Water |
| Dillon Hydro Plant | Denver City & County of - (CO) | Summit, CO | Public Service Company of Colorado (PSCO) | 11.1 GWh | Sep 1987 | Sep 2025 | Water |
| North Fork Hydro Plant | Denver City & County of - (CO) | Grant, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 21.9 GWh | Dec 1987 | Dec 2025 | Water |
| Gross Hydro Plant | Denver City & County of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 9.2 GWh | Jul 2007 | Dec 2025 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 498.0 MWh | Jun 1985 | Dec 2025 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.1 GWh | Jun 1986 | Dec 2025 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.3 GWh | Apr 1986 | Dec 2025 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 2.9 GWh | Feb 1987 | Dec 2025 | Water |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.1 GWh | Jun 1985 | Jun 2025 | Water |
| Lyonsdale Associates | Eagle Creek Renewable Energy, LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 10.0 GWh | Jun 1984 | Dec 2025 | Water |
| Brainerd Public Utilities | Brainerd Public Utilities | Brainerd, MN | Midcontinent Independent System Operator, Inc. (MISO) | 12.7 GWh | Dec 1916 | Dec 2025 | Water |
| LAC Courte Oreilles Hydroelect | Zero6 Energy Hydro | Winter, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | Nov 1986 | Dec 2025 | Water |
| Fourth Branch Hydroelectric Facility | Albany Engineering Corporation | Waterford, NY | New York Independent System Operator (NYIS) | 13.0 GWh | Nov 1987 | Dec 2025 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 4.6 GWh | Dec 1913 | Dec 2025 | Water |
| Sheldon Springs Hydroelectric | Central Rivers Power US, LLC | Sheldon Springs, VT | ISO New England (ISNE) | 52.5 GWh | Jun 1988 | Dec 2025 | Water |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 212.1 GWh | Dec 1917 | Dec 2025 | Water |
| Upper Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1984 | Dec 2025 | Water |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 55.2 GWh | Dec 1923 | Aug 2026 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 2.3 GWh | Jun 1984 | Dec 2025 | Water |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 58.9 GWh | Jun 1981 | Dec 2025 | Water |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 14.2 GWh | Aug 1986 | Dec 2025 | Water |
| Muck Valley Hydroelectric | Malacha Hydro Limited Partnership | NA, CA | California Independent System Operator (CISO) | 89.8 GWh | Nov 1988 | Dec 2025 | Water |
| Kasidaya Creek Hydro | Alaska Power and Telephone Co | Skagway, AK | 11.7 GWh | Sep 2008 | Dec 2025 | Water | |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 14.4 GWh | Aug 1982 | Oct 2025 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Feb 1985 | Oct 2025 | Water |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 7.7 GWh | Apr 1983 | Oct 2025 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 105.2 GWh | Dec 1986 | Oct 2025 | Water |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 659.0 MWh | Feb 1994 | Dec 2025 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 391.2 GWh | Dec 1984 | Oct 2025 | Water |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 63.2 GWh | Mar 2010 | Dec 2025 | Water |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 470.5 GWh | Dec 2015 | Dec 2025 | Water |
| Mora Drop Hydroelectric Project | Boise Project Board of Control | Kuna, ID | Idaho Power Company (IPCO) | 4.6 GWh | May 2006 | Oct 2025 | Water |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 31.2 GWh | May 2004 | Dec 2025 | Water |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 97.1 GWh | Sep 1924 | Dec 2025 | Water |
| Brookfield Power Glen Falls Hydro | Erie Boulevard Hydropower LP | Glen Falls, NY | New York Independent System Operator (NYIS) | 34.9 GWh | Dec 1943 | Dec 2025 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 6.7 GWh | Apr 2014 | Aug 2026 | Water |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 5.6 GWh | Jun 2005 | Dec 2025 | Water | |
| Gauley River Power Partners | Central Rivers Power WV, LLC | Summersville, WV | PJM Interconnection, LLC (PJM) | 149.1 GWh | Jun 2001 | Dec 2025 | Water |
| Lake Dorothy Hydroelectric Project | Alaska Electric Light & Power Co. | Juneau, AK | 81.7 GWh | Aug 2009 | Dec 2025 | Water | |
| Kosterville | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 1.8 GWh | Apr 1955 | Dec 2025 | Water |
| Gouldtown | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Jul 1953 | Dec 2025 | Water |
| Lyons Falls Hydroelectric | Northbrook Lyons Falls LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 27.1 GWh | Nov 1923 | Dec 2025 | Water |
| Sherman Island | Erie Boulevard Hydropower LP | Queensbury, NY | New York Independent System Operator (NYIS) | 139.2 GWh | Dec 1922 | Dec 2025 | Water |
| Rainbow Falls Hydro | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 84.1 GWh | Dec 1955 | Dec 2025 | Water |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 11.7 GWh | Dec 1924 | Dec 2025 | Water |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Dec 1918 | Dec 2025 | Water |
| Soft Maple | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 31.6 GWh | Dec 1924 | Dec 2025 | Water |
| Schaghticoke | Erie Boulevard Hydropower LP | Schaghticoke, NY | New York Independent System Operator (NYIS) | 61.8 GWh | Dec 1907 | Dec 2025 | Water |
| School Street | Erie Boulevard Hydropower LP | Cohoes, NY | New York Independent System Operator (NYIS) | 146.1 GWh | Dec 1914 | Dec 2025 | Water |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 67.8 GWh | Dec 1953 | Dec 2025 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 19.0 GWh | Dec 1911 | Dec 2025 | Water |
| Raymondville | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 11.3 GWh | Dec 1927 | Dec 2025 | Water |
| Stewarts Bridge | Erie Boulevard Hydropower LP | Corinth, NY | New York Independent System Operator (NYIS) | 90.4 GWh | Dec 1951 | Dec 2025 | Water |
| Prospect | Erie Boulevard Hydropower LP | Prospect, NY | New York Independent System Operator (NYIS) | 55.2 GWh | Dec 1958 | Dec 2025 | Water |
| Piercefield | Erie Boulevard Hydropower LP | Piercefield, NY | New York Independent System Operator (NYIS) | 11.4 GWh | Dec 1923 | Dec 2025 | Water |
| Parishville | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Dec 1924 | Dec 2025 | Water |
| Oswego Falls West | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Dec 1913 | Dec 2025 | Water |
| Oswego Falls East | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 22.2 GWh | Dec 1913 | Dec 2025 | Water |
| Watts Bar Hydro | Tennessee Valley Authority | Spring City, TN | Tennessee Valley Authority (TVA) | 865.4 GWh | Feb 1942 | Dec 2025 | Water |
| Norwood | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Dec 1927 | Dec 2025 | Water |
| Norfolk | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 22.0 GWh | Dec 1927 | Dec 2025 | Water |
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Jul 1939 | Dec 2025 | Water |
| Nickajack | Tennessee Valley Authority | New Hope, TN | Tennessee Valley Authority (TVA) | 577.6 GWh | Jan 1968 | Dec 2025 | Water |
| Watertown | City of Watertown - (NY) | Watertown, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Jul 1924 | Dec 2025 | Water |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 416.3 GWh | Jun 1936 | Dec 2025 | Water |
| Robert Moses Power Dam | New York Power Authority | Massena, NY | New York Independent System Operator (NYIS) | 6.9 TWh | Jun 1958 | Aug 2026 | Water |
| Robert Moses Niagara | New York Power Authority | Lewiston, NY | New York Independent System Operator (NYIS) | 14.2 TWh | Dec 1960 | Aug 2026 | Water |
| Vischer Ferry | New York Power Authority | Rexford, NY | New York Independent System Operator (NYIS) | 47.1 GWh | Jun 1924 | Dec 2025 | Water |
| Crescent | New York Power Authority | Crescent, NY | New York Independent System Operator (NYIS) | 50.1 GWh | Jun 1924 | Dec 2025 | Water |
| Ocoee 1 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 65.6 GWh | Dec 1911 | Dec 2025 | Water |
| Ocoee 2 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 98.1 GWh | Sep 1913 | Dec 2025 | Water |
| Ocoee 3 | Tennessee Valley Authority | Benton, TN | Tennessee Valley Authority (TVA) | 141.3 GWh | Mar 1943 | Dec 2025 | Water |
| Pickwick Landing Dam | Tennessee Valley Authority | Pickwick Dam, TN | Tennessee Valley Authority (TVA) | 1.3 TWh | May 1938 | Dec 2025 | Water |
| Rochester 26 | Rochester Gas & Electric Corp | Rochester, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Jul 1952 | Dec 2025 | Water |
| Stark | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 78.8 GWh | Dec 1956 | Dec 2025 | Water |
| South Holston | Tennessee Valley Authority | Bristol, TN | Tennessee Valley Authority (TVA) | 121.5 GWh | Jan 1951 | Dec 2025 | Water |
| Rio | Eagle Creek Renewable Energy, LLC | Glen Spey, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Nov 1927 | Dec 2025 | Water |
| Tims Ford | Tennessee Valley Authority | Winchester, TN | Tennessee Valley Authority (TVA) | 41.2 GWh | Feb 1972 | Dec 2025 | Water |
| Grahamsville | New York Power Authority | Grahamsville, NY | New York Independent System Operator (NYIS) | 85.1 GWh | Dec 1955 | Dec 2025 | Water |
| Watauga | Tennessee Valley Authority | Elizabethton, TN | Tennessee Valley Authority (TVA) | 121.6 GWh | Jul 1949 | Sep 2025 | Water |
| Yaleville | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Dec 1939 | Jul 2025 | Water |
| Waterport | Erie Boulevard Hydropower LP | Waterport, NY | New York Independent System Operator (NYIS) | 14.0 GWh | Dec 1920 | Dec 2025 | Water |
| Varick | Erie Boulevard Hydropower LP | Oswego, NY | New York Independent System Operator (NYIS) | 19.9 GWh | Dec 1925 | Dec 2025 | Water |
| Trenton Falls | Erie Boulevard Hydropower LP | Barneveld, NY | New York Independent System Operator (NYIS) | 118.0 GWh | Dec 1918 | Dec 2025 | Water |
| Taylorville | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 20.7 GWh | Dec 1912 | Dec 2025 | Water |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 22.7 GWh | Dec 1923 | Dec 2025 | Water |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Dec 1939 | Dec 2025 | Water |
| Beardslee | Erie Boulevard Hydropower LP | Little Falls, NY | New York Independent System Operator (NYIS) | 42.8 GWh | Dec 1923 | Dec 2025 | Water |
| Effley | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Dec 1901 | Dec 2025 | Water |
| Eel Weir | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Dec 1927 | Dec 2025 | Water |
| Eagle | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 28.4 GWh | Dec 1913 | Dec 2025 | Water |
| Deferiet | Erie Boulevard Hydropower LP | Deferiet, NY | New York Independent System Operator (NYIS) | 40.2 GWh | Dec 1924 | Dec 2025 | Water |
| Colton | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 154.2 GWh | Dec 1917 | Dec 2025 | Water |
| Chasm | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 20.7 GWh | Dec 1912 | Dec 2025 | Water |
| Browns Falls | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 49.2 GWh | Dec 1922 | 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 |