Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Johnson 2 | Central Nebraska Pub P&I Dist | Lexington, NE | Southwest Power Pool (SWPP) | 63.0 GWh | Mar 1941 | Dec 2025 | Water |
| Columbus | Loup River Public Power Dist | Columbus, NE | Southwest Power Pool (SWPP) | 124.6 GWh | Dec 1935 | Dec 2025 | Water |
| Packwood | Energy Northwest - Packwood | Packwood, WA | Bonneville Power Administration (BPAT) | 73.8 GWh | Mar 1964 | Dec 2025 | Water |
| Lower Monumental | USACE Northwestern Division | Kahlotus, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | May 1969 | Aug 2026 | Water |
| Little Goose | USACE Northwestern Division | Dayton, WA | Bonneville Power Administration (BPAT) | 1.6 TWh | Mar 1970 | Aug 2026 | Water |
| Ice Harbor | USACE Northwestern Division | Burbank, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Dec 1961 | Aug 2026 | Water |
| Dashville | Central Hudson Gas & Elec Corp | Dashville, NY | New York Independent System Operator (NYIS) | 11.9 GWh | Dec 1919 | Dec 2025 | Water |
| Mossyrock | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 1.0 TWh | Sep 1968 | Aug 2026 | Water |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 602.5 GWh | Feb 1963 | 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 |
| Kilbourn | Wisconsin Power & Light Co | Wisconsin Dells, WI | Midcontinent Independent System Operator, Inc. (MISO) | 49.2 GWh | Jun 1926 | Dec 2025 | Water |
| Morony | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 214.7 GWh | Dec 1929 | Dec 2025 | Water |
| Pine | Wisconsin Electric Power Co | Florence, WI | Midcontinent Independent System Operator, Inc. (MISO) | 11.1 GWh | May 1922 | 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 |
| Appleton | Wisconsin Electric Power Co | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 GWh | Jul 1916 | Dec 2025 | Water |
| Mystic | NorthWestern Energy (MT Hydro) | Fishtail, MT | NorthWestern Corporation (NWMT) | 52.5 GWh | Apr 1925 | Dec 2025 | Water |
| Rainbow (MT) | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 298.6 GWh | Feb 2013 | Dec 2025 | Water |
| Ryan | NorthWestern Energy (MT Hydro) | Great Falls, MT | NorthWestern Corporation (NWMT) | 377.3 GWh | Jul 1915 | Dec 2025 | Water |
| Danbury Dam | Zero6 Energy Hydro | Danbury, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Dec 1920 | 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 |
| LaGrande | City of Tacoma - (WA) | La Grande, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 291.2 GWh | Oct 1912 | Dec 2025 | Water |
| Thompson Falls | NorthWestern Energy (MT Hydro) | Thompson Falls, MT | NorthWestern Corporation (NWMT) | 439.8 GWh | Jun 1915 | 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 |
| St Croix Falls | Northern States Power Co - Minnesota | St Croix Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 80.0 GWh | Dec 1909 | Dec 2025 | Water |
| Menomonie | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 22.7 GWh | Dec 1957 | Dec 2025 | Water |
| Jim Falls | Northern States Power Co - Minnesota | Jim Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 105.3 GWh | Jun 1988 | Dec 2025 | Water |
| Holcombe | Northern States Power Co - Minnesota | Holcombe, WI | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 GWh | Dec 1949 | Dec 2025 | Water |
| Dells | Northern States Power Co - Minnesota | Eau Claire, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.9 GWh | Dec 1922 | Dec 2025 | Water |
| Chippewa Falls | Northern States Power Co - Minnesota | Chippewa Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.1 GWh | Dec 1927 | Dec 2025 | Water |
| Cedar Falls (WI) | Northern States Power Co - Minnesota | Menomonie, WI | Midcontinent Independent System Operator, Inc. (MISO) | 30.9 GWh | Dec 1909 | Dec 2025 | Water |
| Arpin Dam | Zero6 Energy Hydro | Radisson, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Aug 1971 | Aug 2025 | Water |
| Watertown | City of Watertown - (NY) | Watertown, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Jul 1924 | Dec 2025 | Water |
| Grahamsville | New York Power Authority | Grahamsville, NY | New York Independent System Operator (NYIS) | 85.1 GWh | Dec 1955 | Dec 2025 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 833.4 GWh | Sep 1910 | 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 |
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Jul 1939 | 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 |
| Crescent | New York Power Authority | Crescent, NY | New York Independent System Operator (NYIS) | 50.1 GWh | Jun 1924 | Dec 2025 | Water |
| Vischer Ferry | New York Power Authority | Rexford, NY | New York Independent System Operator (NYIS) | 47.1 GWh | Jun 1924 | Dec 2025 | Water |
| Piney | BP Piney & Deep Creek LLC | Clarion, PA | PJM Interconnection, LLC (PJM) | 62.2 GWh | May 1924 | Dec 2025 | Water |
| Robert Moses Niagara | New York Power Authority | Lewiston, NY | New York Independent System Operator (NYIS) | 14.2 TWh | Dec 1960 | Aug 2026 | 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 |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 95.7 GWh | Nov 1905 | Dec 2025 | Water |
| Yaleville | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 3.4 GWh | Dec 1939 | Jul 2025 | Water |
| Blewett | Duke Energy Progress - (NC) | Lilesville, NC | Duke Energy Progress East (CPLE) | 98.0 GWh | May 1912 | Dec 2025 | Water |
| Tillery | Duke Energy Progress - (NC) | Mount Gilead, NC | Duke Energy Progress East (CPLE) | 117.7 GWh | Jul 1928 | Dec 2025 | Water |
| Walters | Duke Energy Progress - (NC) | Waterville, NC | Duke Energy Progress East (CPLE) | 289.1 GWh | Jun 1930 | Dec 2025 | Water |
| Bridgewater | Duke Energy Carolinas, LLC | Morganton, NC | Duke Energy Carolinas (DUK) | 28.0 GWh | Apr 1919 | Dec 2025 | Water |
| Cowans Ford | Duke Energy Carolinas, LLC | Stanley, NC | Duke Energy Carolinas (DUK) | 124.9 GWh | Aug 1963 | Dec 2025 | Water |
| Lookout Shoals | Duke Energy Carolinas, LLC | Statesville, NC | Duke Energy Carolinas (DUK) | 82.5 GWh | Nov 1915 | Dec 2025 | Water |
| Mountain Island | Duke Energy Carolinas, LLC | Mount Holly, NC | Duke Energy Carolinas (DUK) | 90.0 GWh | Nov 1923 | Dec 2025 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 4.0 TWh | Nov 1953 | Dec 2025 | Water |
| Lookout Point | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 227.0 GWh | Dec 1954 | Dec 2025 | Water |
| John Day | USACE Northwestern Division | Rufus, OR | Bonneville Power Administration (BPAT) | 8.0 TWh | Jul 1968 | Aug 2026 | Water |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 115.9 GWh | Jan 1962 | 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 |
| Hollidays Bridge Hydro | Northbrook Carolina Hydro LLC | Honea Path, SC | Duke Energy Carolinas (DUK) | 8.5 GWh | Nov 1996 | Dec 2025 | Water |
| Gaston Shoals | Northbrook Carolina Hydro II, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 5.0 GWh | Apr 1908 | Dec 2025 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 76.8 GWh | Oct 1916 | 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 |
| Cedar Creek (SC) | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 101.6 GWh | Jul 1926 | Dec 2025 | Water |
| Boyds Mill Hydro | Northbrook Carolina Hydro LLC | Ware Shoals, SC | Duke Energy Carolinas (DUK) | 3.4 GWh | Nov 1996 | 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 |
| Schaghticoke | Erie Boulevard Hydropower LP | Schaghticoke, NY | New York Independent System Operator (NYIS) | 61.8 GWh | Dec 1907 | Dec 2025 | Water |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Dec 1918 | Dec 2025 | Water |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 11.7 GWh | Dec 1924 | Dec 2025 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 860.6 GWh | Nov 1931 | Dec 2025 | Water |
| Green Peter | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 115.6 GWh | Jun 1967 | 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 |
| South Colton | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 67.8 GWh | Dec 1953 | Dec 2025 | Water |
| Stark | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 78.8 GWh | Dec 1956 | 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 |
| Sugar Island | Erie Boulevard Hydropower LP | Potsdam, NY | New York Independent System Operator (NYIS) | 22.7 GWh | Dec 1923 | Dec 2025 | Water |
| Taylorville | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 20.7 GWh | Dec 1912 | 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 |
| Varick | Erie Boulevard Hydropower LP | Oswego, NY | New York Independent System Operator (NYIS) | 19.9 GWh | Dec 1925 | Dec 2025 | Water |
| Wallenpaupack | Wallenpuapack Hydro | Drumore, PA | PJM Interconnection, LLC (PJM) | 67.3 GWh | May 1926 | Dec 2025 | Water |
| Waterport | Erie Boulevard Hydropower LP | Waterport, NY | New York Independent System Operator (NYIS) | 14.0 GWh | Dec 1920 | Dec 2025 | Water |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 288.1 GWh | Apr 1964 | Dec 2025 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 2.0 TWh | Sep 1967 | Dec 2025 | Water |
| Oxford Dam | Duke Energy Carolinas, LLC | Conover, NC | Duke Energy Carolinas (DUK) | 86.5 GWh | Mar 1928 | Dec 2025 | Water |
| Rhodhiss | Duke Energy Carolinas, LLC | Rhodhiss, NC | Duke Energy Carolinas (DUK) | 55.9 GWh | Jan 1925 | Dec 2025 | Water |
| Tenkiller Ferry | USCE-Tulsa District | Gore, OK | Southwestern Power Administration (SPA) | 11.0 GWh | Oct 1953 | Dec 2025 | Water |
| Fort Gibson | USCE-Tulsa District | Fort Gibson, OK | Southwestern Power Administration (SPA) | 217.3 GWh | Feb 1953 | Dec 2025 | Water |
| Turner Shoals | Northbrook Carolina Hydro LLC | Mill Springs, NC | Duke Energy Carolinas (DUK) | 2.1 GWh | Nov 1996 | Aug 2026 | Water |
| Webbers Falls | USCE-Tulsa District | Webbers Falls, OK | Southwestern Power Administration (SPA) | 205.2 GWh | Jul 1973 | Dec 2025 | Water |
| Cedar Cliff | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 11.6 GWh | Dec 1951 | Dec 2025 | Water |
| Robert S Kerr | USCE-Tulsa District | Keota, OK | Southwestern Power Administration (SPA) | 449.6 GWh | Jun 1971 | Dec 2025 | Water |
| Keystone Dam | USCE-Tulsa District | Sand Springs, OK | Southwest Power Pool (SWPP) | 293.3 GWh | Apr 1968 | Dec 2025 | Water |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 422.2 GWh | Jul 1940 | Dec 2025 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 990.3 GWh | Jun 1961 | Dec 2025 | Water |
| Franklin (NC) | Northbrook Carolina Hydro II, LLC | Franklin, NC | Duke Energy Carolinas (DUK) | 2.7 GWh | Dec 1924 | Dec 2025 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 7.0 GWh | Nov 1924 | Dec 2025 | Water |
| Nantahala | Duke Energy Carolinas, LLC | Topton, NC | Duke Energy Carolinas (DUK) | 188.4 GWh | Jun 1942 | Dec 2025 | Water |
| Tennessee Creek | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 33.8 GWh | Apr 1955 | Dec 2025 | Water |
| Thorpe | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 59.8 GWh | Sep 1941 | Dec 2025 | Water |
| Tuckasegee | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 4.5 GWh | Apr 1950 | Dec 2025 | Water |
| Gaston | Virginia Electric & Power Co | Roanoke Rapids, NC | PJM Interconnection, LLC (PJM) | 118.0 GWh | Jan 1963 | Aug 2026 | Water |
| Roanoke Rapids | Virginia Electric & Power Co | Roanoke Rapids, NC | PJM Interconnection, LLC (PJM) | 187.2 GWh | Aug 1955 | Dec 2025 | Water |
| Chatuge | Tennessee Valley Authority | Hayesville, NC | Tennessee Valley Authority (TVA) | 18.9 GWh | Nov 1954 | 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 |