Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Dec 1923 | Dec 2024 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 23.0 GWh | Dec 1923 | Dec 2024 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 52.5 GWh | Dec 1913 | Dec 2024 | Water |
| Granby | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 35.6 GWh | Dec 1982 | Dec 2024 | Water |
| Glenwood Hydro | Erie Boulevard Hydropower LP | Medina, NY | New York Independent System Operator (NYIS) | 6.1 GWh | Dec 1949 | Dec 2024 | Water |
| Fulton Hydro | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Dec 1923 | Dec 2024 | Water |
| Franklin (NY) | Erie Boulevard Hydropower LP | Franklin, NY | New York Independent System Operator (NYIS) | 12.1 GWh | Dec 1910 | Dec 2024 | Water |
| Flat Rock | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 19.0 GWh | Dec 1923 | Dec 2024 | Water |
| Five Falls | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 107.1 GWh | Dec 1954 | Dec 2024 | Water |
| East Norfolk | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 25.5 GWh | Dec 1927 | Dec 2024 | Water |
| School Street | Erie Boulevard Hydropower LP | Cohoes, NY | New York Independent System Operator (NYIS) | 158.8 GWh | Dec 1914 | Dec 2024 | Water |
| Trenton Falls | Erie Boulevard Hydropower LP | Barneveld, NY | New York Independent System Operator (NYIS) | 140.6 GWh | Dec 1918 | Dec 2024 | Water |
| Taylorville | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 22.3 GWh | Dec 1912 | Dec 2024 | Water |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Dec 1923 | Dec 2024 | Water |
| Fontana Dam | Tennessee Valley Authority | Fontana Dam, NC | Tennessee Valley Authority (TVA) | 879.0 GWh | Dec 1944 | Dec 2024 | Water |
| Stark | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 103.0 GWh | Dec 1956 | Dec 2024 | Water |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 89.6 GWh | Dec 1953 | Dec 2024 | Water |
| Soft Maple | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 38.4 GWh | Dec 1924 | Dec 2024 | Water |
| Sherman Island | Erie Boulevard Hydropower LP | Queensbury, NY | New York Independent System Operator (NYIS) | 175.0 GWh | Dec 1922 | Dec 2024 | Water |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 15.1 GWh | Dec 1924 | Dec 2024 | Water |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Dec 1918 | Dec 2024 | Water |
| Schaghticoke | Erie Boulevard Hydropower LP | Schaghticoke, NY | New York Independent System Operator (NYIS) | 59.0 GWh | Dec 1907 | Dec 2024 | Water |
| Varick | Erie Boulevard Hydropower LP | Oswego, NY | New York Independent System Operator (NYIS) | 22.2 GWh | Dec 1925 | Dec 2024 | Water |
| South Edwards | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 22.5 GWh | Dec 1911 | Dec 2024 | Water |
| Raymondville | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 13.5 GWh | Dec 1927 | Dec 2024 | Water |
| Rainbow Falls Hydro | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 108.7 GWh | Dec 1955 | Dec 2024 | Water |
| Prospect | Erie Boulevard Hydropower LP | Prospect, NY | New York Independent System Operator (NYIS) | 69.1 GWh | Dec 1958 | Dec 2024 | Water |
| Piercefield | Erie Boulevard Hydropower LP | Piercefield, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Dec 1923 | Dec 2024 | Water |
| Parishville | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 15.6 GWh | Dec 1924 | Dec 2024 | Water |
| Oswego Falls West | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Dec 1913 | Dec 2024 | Water |
| Oswego Falls East | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 23.1 GWh | Dec 1913 | Dec 2024 | Water |
| Eagle Pass | Maverick Cty Water Control & Improvement | Eagle Pass, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 12.6 GWh | Jul 1932 | Feb 2026 | Water |
| Norwood | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.1 GWh | Dec 1927 | Dec 2024 | Water |
| Prospect 2 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 193.1 GWh | Dec 1927 | Dec 2024 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 104.1 GWh | Apr 1924 | Dec 2024 | Water |
| Round Butte | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 794.4 GWh | Jul 1964 | Dec 2024 | Water |
| River Mill | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 99.1 GWh | Oct 1911 | Dec 2024 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 361.8 GWh | Nov 1957 | Dec 2024 | Water |
| North Fork | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 186.7 GWh | Oct 1958 | Dec 2024 | Water |
| Faraday | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 119.9 GWh | Jan 1907 | Dec 2024 | Water |
| Wallowa Falls | PacifiCorp | Joseph, OR | PacifiCorp West (PACW) | 2.5 GWh | Jun 1921 | Dec 2024 | Water |
| Toketee Falls | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 184.1 GWh | Nov 1949 | Dec 2024 | Water |
| Soda Springs | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 48.9 GWh | Feb 1952 | Dec 2024 | Water |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 62.8 GWh | Jun 1951 | Dec 2024 | Water |
| Prospect 4 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 417.0 MWh | Oct 1944 | Dec 2024 | Water |
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | Bonneville Power Administration (BPAT) | 223.3 GWh | Dec 1962 | Dec 2024 | Water |
| Lemolo 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 105.2 GWh | Jun 1955 | Dec 2024 | Water |
| Fish Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 31.7 GWh | May 1952 | Dec 2024 | Water |
| Eagle Point | PacifiCorp | Eagle Point, OR | PacifiCorp West (PACW) | 14.6 GWh | Oct 1957 | Dec 2024 | Water |
| Clearwater 2 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 34.7 GWh | Oct 1953 | Dec 2024 | Water |
| Clearwater 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 32.2 GWh | May 1953 | Dec 2024 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 965.3 GWh | Jun 1961 | Dec 2024 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 1.9 TWh | Sep 1967 | Dec 2024 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 139.5 GWh | Oct 1916 | Dec 2024 | Water |
| Hollidays Bridge Hydro | Northbrook Carolina Hydro LLC | Honea Path, SC | Duke Energy Carolinas (DUK) | 9.7 GWh | Nov 1996 | Dec 2024 | Water |
| Stiles | Oconto Electric Cooperative | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Feb 1949 | Dec 2024 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 91.5 GWh | Feb 1923 | Dec 2024 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 866.1 GWh | Sep 1910 | Dec 2024 | Water |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | May 1926 | Dec 2024 | Water |
| Rapide Croche | City of Kaukauna | Kaukana, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | Dec 1925 | Dec 2024 | Water |
| New Badger | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 44.5 GWh | Dec 2013 | Mar 2026 | Water |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | PJM Interconnection, LLC (PJM) | 61.4 GWh | May 1924 | Dec 2024 | Water |
| Little Chute | City of Kaukauna | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 23.8 GWh | May 1948 | Dec 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Nov 1931 | Dec 2024 | Water |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | Nov 1905 | Dec 2024 | Water |
| Boyds Mill Hydro | Northbrook Carolina Hydro LLC | Ware Shoals, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Nov 1996 | Dec 2024 | Water |
| Flambeau Hydroelectric Station | Dairyland Power Coop | Ladysmith, WI | Midcontinent Independent System Operator, Inc. (MISO) | 62.1 GWh | Dec 1950 | Dec 2024 | Water |
| Cedar Creek (SC) | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 164.6 GWh | Jul 1926 | Dec 2024 | Water |
| Webbers Falls | USCE-Tulsa District | Webbers Falls, OK | Southwestern Power Administration (SPA) | 174.3 GWh | Jul 1973 | Dec 2024 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.7 TWh | Nov 1953 | Dec 2024 | Water |
| Lookout Point | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 175.1 GWh | Dec 1954 | Dec 2024 | Water |
| John Day | USACE Northwestern Division | Rufus, OR | Bonneville Power Administration (BPAT) | 8.5 TWh | Jul 1968 | Mar 2026 | Water |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 119.8 GWh | Jan 1962 | Dec 2024 | Water |
| Green Peter | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 155.2 GWh | Jun 1967 | Dec 2024 | Water |
| Dexter | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 14.6 GWh | May 1955 | Dec 2024 | Water |
| Detroit | USACE Northwestern Division | Mill City, OR | Bonneville Power Administration (BPAT) | 219.7 GWh | Jun 1953 | Dec 2024 | Water |
| Cougar | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 66.9 GWh | Feb 1964 | Dec 2024 | Water |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | Bonneville Power Administration (BPAT) | 4.1 TWh | Jun 1938 | Mar 2026 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | Bonneville Power Administration (BPAT) | 90.8 GWh | Nov 1954 | Dec 2024 | Water |
| Great Falls (TN) | Tennessee Valley Authority | Rock Island, TN | Tennessee Valley Authority (TVA) | 105.6 GWh | Nov 1916 | Dec 2024 | Water |
| Boone Dam | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 184.5 GWh | Feb 1953 | Dec 2024 | Water |
| Cherokee Dam | Tennessee Valley Authority | Rudledge, TN | Tennessee Valley Authority (TVA) | 341.4 GWh | Mar 1942 | 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 |
| Chickamauga | Tennessee Valley Authority | Chattanooga, TN | Tennessee Valley Authority (TVA) | 688.9 GWh | Feb 1940 | Dec 2024 | Water |
| Petenwell | Wisconsin River Power Company | Necedah, WI | Midcontinent Independent System Operator, Inc. (MISO) | 108.4 GWh | Jul 1949 | 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 |
| Douglas Dam | Tennessee Valley Authority | Dandridge, TN | Tennessee Valley Authority (TVA) | 446.4 GWh | Feb 1943 | Dec 2024 | Water |
| Fort Patrick Henry | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 103.5 GWh | Nov 1953 | 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 |
| Fort Loudoun | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 732.1 GWh | Oct 1943 | 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 |
| Melton Hill | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 125.1 GWh | Jun 1964 | Dec 2024 | Water |
| Nickajack | Tennessee Valley Authority | New Hope, TN | Tennessee Valley Authority (TVA) | 491.2 GWh | Jan 1968 | Dec 2024 | Water |
| Garrison | USACE-Omaha | Riverside, ND | Southwest Power Pool (SWPP) | 2.1 TWh | Dec 1955 | Dec 2024 | Water |
| Combined Locks | City of Kaukauna | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 43.4 GWh | Jan 1988 | Dec 2024 | Water |
| Norris Dam | Tennessee Valley Authority | Norris, TN | Tennessee Valley Authority (TVA) | 386.9 GWh | Jun 1936 | Dec 2024 | Water |
| Hiwassee Dam | Tennessee Valley Authority | Murphy, NC | Tennessee Valley Authority (TVA) | 237.5 GWh | Apr 1940 | Mar 2026 | Water |
| Eagle | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 29.3 GWh | Dec 1913 | Dec 2024 | Water |
| Chatuge | Tennessee Valley Authority | Hayesville, NC | Tennessee Valley Authority (TVA) | 26.4 GWh | Nov 1954 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on March 2026 generation numbers.| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 76 | 10,194.39 GWh |
| Alaska | # 48 | 139 | 566.31 GWh |
| Arizona | # 15 | 183 | 8,256.99 GWh |
| Arkansas | # 25 | 114 | 4,973.03 GWh |
| California | # 5 | 1,656 | 15,197.83 GWh |
| Colorado | # 30 | 294 | 4,491.41 GWh |
| Connecticut | # 31 | 161 | 3,992.67 GWh |
| Delaware | # 49 | 33 | 248.78 GWh |
| District of Columbia | # 51 | 16 | 18.32 GWh |
| Florida | # 3 | 334 | 19,802.71 GWh |
| Georgia | # 8 | 247 | 10,697.11 GWh |
| Hawaii | # 46 | 69 | 784.18 GWh |
| Idaho | # 42 | 144 | 1,957.44 GWh |
| Illinois | # 4 | 379 | 15,489.73 GWh |
| Indiana | # 12 | 216 | 9,257.49 GWh |
| Iowa | # 21 | 289 | 6,478.67 GWh |
| Kansas | # 23 | 183 | 5,489.55 GWh |
| Kentucky | # 29 | 59 | 4,637.74 GWh |
| Louisiana | # 17 | 86 | 8,003.69 GWh |
| Maine | # 45 | 212 | 1,313.24 GWh |
| Maryland | # 39 | 202 | 2,834.84 GWh |
| Massachusetts | # 44 | 639 | 1,383.17 GWh |
| Michigan | # 13 | 268 | 8,564.76 GWh |
| Minnesota | # 26 | 760 | 4,875.53 GWh |
| Mississippi | # 24 | 55 | 5,467.46 GWh |
| Missouri | # 22 | 125 | 5,500.53 GWh |
| State | Rank | Active Plants | Mar 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 69 | 2,464.49 GWh |
| Nebraska | # 37 | 121 | 3,330.39 GWh |
| Nevada | # 35 | 114 | 3,487.65 GWh |
| New Hampshire | # 43 | 54 | 1,520.13 GWh |
| New Jersey | # 28 | 379 | 4,705.05 GWh |
| New Mexico | # 33 | 142 | 3,587.89 GWh |
| New York | # 9 | 935 | 10,247.40 GWh |
| North Carolina | # 11 | 896 | 9,821.46 GWh |
| North Dakota | # 32 | 59 | 3,854.12 GWh |
| Ohio | # 6 | 200 | 12,175.28 GWh |
| Oklahoma | # 19 | 142 | 7,305.54 GWh |
| Oregon | # 20 | 266 | 6,583.30 GWh |
| Pennsylvania | # 2 | 249 | 20,000.86 GWh |
| Rhode Island | # 47 | 100 | 610.71 GWh |
| South Carolina | # 14 | 204 | 8,273.25 GWh |
| South Dakota | # 41 | 52 | 2,184.62 GWh |
| Tennessee | # 18 | 88 | 7,335.80 GWh |
| Texas | # 1 | 961 | 46,858.09 GWh |
| Utah | # 38 | 125 | 3,184.50 GWh |
| Vermont | # 50 | 117 | 217.82 GWh |
| Virginia | # 16 | 233 | 8,059.42 GWh |
| Washington | # 7 | 131 | 10,773.76 GWh |
| West Virginia | # 34 | 40 | 3,543.98 GWh |
| Wisconsin | # 27 | 239 | 4,794.79 GWh |
| Wyoming | # 36 | 70 | 3,358.51 GWh |