Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Swinging Bridge 2 | Eagle Creek Renewable Energy, LLC | Forestburgh, NY | New York Independent System Operator (NYIS) | 12.3 GWh | Jul 1939 | Dec 2025 | Water |
| Holtwood | BIF III Holtwood LLC | Holtwood, PA | PJM Interconnection, LLC (PJM) | 833.4 GWh | Sep 1910 | 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 |
| Robert Moses Niagara | New York Power Authority | Lewiston, NY | New York Independent System Operator (NYIS) | 14.1 TWh | Dec 1960 | May 2026 | Water |
| Robert Moses Power Dam | New York Power Authority | Massena, NY | New York Independent System Operator (NYIS) | 6.7 TWh | Jun 1958 | May 2026 | Water |
| Waterport | Erie Boulevard Hydropower LP | Waterport, NY | New York Independent System Operator (NYIS) | 14.0 GWh | Dec 1920 | Dec 2025 | Water |
| Watertown | City of Watertown - (NY) | Watertown, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Jul 1924 | Dec 2025 | Water |
| Blewett | Duke Energy Progress - (NC) | Lilesville, NC | Duke Energy Progress East (CPLE) | 98.0 GWh | May 1912 | Dec 2025 | Water |
| York Haven | Eagle Creek Renewable Energy, LLC | York Haven, PA | PJM Interconnection, LLC (PJM) | 95.7 GWh | Nov 1905 | 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 |
| 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 |
| Sewalls | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 11.7 GWh | Dec 1924 | Dec 2025 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 137.3 GWh | Sep 1919 | Dec 2025 | Water |
| Saluda Dam | Northbrook Carolina Hydro LLC | Greenville, SC | Duke Energy Carolinas (DUK) | 5.2 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 |
| Cadyville | New York State Elec & Gas Corp | Town ofSchuyler Falls, NY | New York Independent System Operator (NYIS) | 18.2 GWh | Jul 1921 | 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 |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 70.2 GWh | Feb 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 |
| Schuylerville | Erie Boulevard Hydropower LP | Schuylerville, NY | New York Independent System Operator (NYIS) | 7.0 GWh | Dec 1918 | Dec 2025 | Water |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 4.0 TWh | Nov 1953 | 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 |
| Soft Maple | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 31.6 GWh | Dec 1924 | Dec 2025 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 860.6 GWh | Nov 1931 | 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 |
| Pensacola | Grand River Dam Authority | Langley, OK | Southwest Power Pool (SWPP) | 422.2 GWh | Jul 1940 | Dec 2025 | Water |
| Eagle Point | PacifiCorp | Eagle Point, OR | PacifiCorp West (PACW) | 14.8 GWh | Oct 1957 | Dec 2025 | Water |
| Clearwater 2 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 30.5 GWh | Oct 1953 | Dec 2025 | Water |
| Clearwater 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 35.0 GWh | May 1953 | Dec 2025 | Water |
| Oxbow (OR) | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 990.3 GWh | Jun 1961 | Dec 2025 | Water |
| Hells Canyon | Idaho Power Co | Oxbow, OR | Idaho Power Company (IPCO) | 2.0 TWh | Sep 1967 | Dec 2025 | Water |
| Turner Shoals | Northbrook Carolina Hydro LLC | Mill Springs, NC | Duke Energy Carolinas (DUK) | 52.0 MWh | Nov 1996 | May 2026 | Water |
| Cedar Cliff | Duke Energy Carolinas, LLC | Tuckasegee, NC | Duke Energy Carolinas (DUK) | 11.6 GWh | Dec 1951 | Dec 2025 | Water |
| Franklin (NC) | Northbrook Carolina Hydro II, LLC | Franklin, NC | Duke Energy Carolinas (DUK) | 2.7 GWh | Dec 1924 | Dec 2025 | Water |
| Webbers Falls | USCE-Tulsa District | Webbers Falls, OK | Southwestern Power Administration (SPA) | 174.3 GWh | Jul 1973 | Dec 2024 | Water |
| Mission | Northbrook Carolina Hydro II, LLC | Murphy, NC | Duke Energy Carolinas (DUK) | 7.0 GWh | Nov 1924 | Dec 2025 | Water |
| Robert S Kerr | USCE-Tulsa District | Keota, OK | Southwestern Power Administration (SPA) | 370.3 GWh | Jun 1971 | Dec 2024 | Water |
| Fish Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 33.5 GWh | May 1952 | Jun 2025 | Water |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 288.1 GWh | Apr 1964 | 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) | 135.8 GWh | Jan 1963 | May 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 |
| Fontana Dam | Tennessee Valley Authority | Fontana Dam, NC | Tennessee Valley Authority (TVA) | 900.2 GWh | Dec 1944 | Dec 2025 | Water |
| Hiwassee Dam | Tennessee Valley Authority | Murphy, NC | Tennessee Valley Authority (TVA) | 213.5 GWh | Apr 1940 | May 2026 | Water |
| Round Butte | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 772.4 GWh | Jul 1964 | 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) | 8.1 TWh | Jul 1968 | May 2026 | Water |
| Hills Creek | USACE Northwestern Division | Oakridge, OR | Bonneville Power Administration (BPAT) | 115.9 GWh | Jan 1962 | Dec 2025 | Water |
| Green Peter | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 115.6 GWh | Jun 1967 | Dec 2025 | Water |
| Dexter | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 43.2 GWh | May 1955 | Dec 2025 | Water |
| Detroit | USACE Northwestern Division | Mill City, OR | Bonneville Power Administration (BPAT) | 226.9 GWh | Jun 1953 | Dec 2025 | Water |
| Cougar | USACE Northwestern Division | Lowell, OR | Bonneville Power Administration (BPAT) | 72.3 GWh | Feb 1964 | Dec 2025 | Water |
| Bonneville | USACE Northwestern Division | Cascade Locks, OR | Bonneville Power Administration (BPAT) | 4.1 TWh | Jun 1938 | May 2026 | Water |
| Big Cliff | USACE Northwestern Division | Gates, OR | Bonneville Power Administration (BPAT) | 61.1 GWh | Nov 1954 | Dec 2025 | Water |
| Carmen Smith | Eugene Water & Electric Board | McKenzie Bridge, OR | Bonneville Power Administration (BPAT) | 167.9 GWh | Dec 1962 | Dec 2025 | Water |
| Sullivan | Portland General Electric Co | West Linn, OR | Portland General Electric Company (PGE) | 84.6 GWh | Apr 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 |
| River Mill | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 77.3 GWh | Oct 1911 | Dec 2025 | Water |
| Pelton | Portland General Electric Co | Madras, OR | Portland General Electric Company (PGE) | 399.6 GWh | Nov 1957 | Dec 2025 | Water |
| North Fork | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 164.0 GWh | Oct 1958 | Dec 2025 | Water |
| Faraday | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 133.1 GWh | Jan 1907 | Dec 2025 | Water |
| Wallowa Falls | PacifiCorp | Joseph, OR | PacifiCorp West (PACW) | 2.9 GWh | Jun 1921 | Dec 2025 | Water |
| Toketee Falls | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 208.4 GWh | Nov 1949 | Dec 2025 | Water |
| Soda Springs | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 51.9 GWh | Feb 1952 | Dec 2025 | Water |
| Slide Creek | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 57.0 GWh | Jun 1951 | Dec 2025 | Water |
| Prospect 2 | PacifiCorp | Prospect, OR | PacifiCorp West (PACW) | 180.1 GWh | Dec 1927 | Dec 2025 | Water |
| Lemolo 1 | PacifiCorp | Idleyld Park, OR | PacifiCorp West (PACW) | 120.1 GWh | Jun 1955 | Dec 2025 | Water |
| Higley | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 30.5 GWh | Aug 2003 | Dec 2025 | Water |
| Five Falls | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 80.1 GWh | Dec 1954 | Dec 2025 | Water |
| Flat Rock | Erie Boulevard Hydropower LP | Fine, NY | New York Independent System Operator (NYIS) | 14.6 GWh | Dec 1923 | Dec 2025 | Water |
| Franklin (NY) | Erie Boulevard Hydropower LP | Franklin, NY | New York Independent System Operator (NYIS) | 8.6 GWh | Dec 1910 | Dec 2025 | Water |
| Fulton Hydro | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Dec 1923 | Dec 2025 | Water |
| Glenwood Hydro | Erie Boulevard Hydropower LP | Medina, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Dec 1949 | Dec 2025 | Water |
| Granby | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 33.1 GWh | Dec 1982 | Dec 2025 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 44.1 GWh | Dec 1913 | Dec 2025 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 18.4 GWh | Dec 1923 | Dec 2025 | Water |
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Dec 1923 | Dec 2025 | Water |
| High Dam | Oswego, City of - (NY) | Oswego, NY | New York Independent System Operator (NYIS) | 19.1 GWh | Jul 1928 | Dec 2025 | Water |
| High Falls - Croghan NY | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 25.0 GWh | Dec 1924 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |