Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Fulton Hydro | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Dec 1923 | 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 |
| Great Falls (TN) | Tennessee Valley Authority | Rock Island, TN | Tennessee Valley Authority (TVA) | 105.6 GWh | Nov 1916 | Dec 2024 | Water |
| Fort Loudoun | Tennessee Valley Authority | Lenoir City, TN | Tennessee Valley Authority (TVA) | 732.1 GWh | Oct 1943 | Dec 2024 | Water |
| Fort Patrick Henry | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 103.5 GWh | Nov 1953 | Dec 2024 | Water |
| Black River | Erie Boulevard Hydropower LP | Black River, NY | New York Independent System Operator (NYIS) | 27.1 GWh | Dec 1919 | Dec 2024 | Water |
| Austin | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.1 GWh | Mar 1940 | Dec 2024 | Water |
| Dunlap TP 1 | Guadalupe Blanco River Authority | New Brannfels, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 4.4 GWh | Dec 1926 | Dec 2024 | Water |
| Dashville | Central Hudson Gas & Elec Corp | Dashville, NY | New York Independent System Operator (NYIS) | 9.0 GWh | Dec 1919 | Dec 2024 | Water |
| Neversink | New York Power Authority | Grahmsville, NY | New York Independent System Operator (NYIS) | 32.0 GWh | Nov 1953 | Sep 2024 | Water |
| Sturgeon | Central Hudson Gas & Elec Corp | Tillson, NY | New York Independent System Operator (NYIS) | 45.7 GWh | Dec 1923 | Dec 2024 | Water |
| Cadyville | New York State Elec & Gas Corp | Town ofSchuyler Falls, NY | New York Independent System Operator (NYIS) | 23.8 GWh | Jul 1921 | Dec 2024 | Water |
| High Falls - Saranac NY | New York State Elec & Gas Corp | Town of Saranac, NY | New York Independent System Operator (NYIS) | 88.2 GWh | Jul 1948 | Sep 2024 | Water |
| Allens Falls | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 29.5 GWh | Dec 1926 | Dec 2024 | Water |
| Beardslee | Erie Boulevard Hydropower LP | Little Falls, NY | New York Independent System Operator (NYIS) | 51.1 GWh | Dec 1923 | Dec 2024 | Water |
| Belfort | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 10.1 GWh | Dec 1902 | Dec 2024 | Water |
| Bennetts Bridge | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 76.3 GWh | Dec 1931 | 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 |
| Blake | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 64.9 GWh | Dec 1956 | Dec 2024 | Water |
| Browns Falls | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 45.3 GWh | Dec 1922 | Dec 2024 | Water |
| Chasm | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 27.4 GWh | Dec 1912 | Dec 2024 | Water |
| Colton | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 195.0 GWh | Dec 1917 | Dec 2024 | Water |
| Deferiet | Erie Boulevard Hydropower LP | Deferiet, NY | New York Independent System Operator (NYIS) | 62.9 GWh | Dec 1924 | Dec 2024 | Water |
| Eagle | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 29.3 GWh | Dec 1913 | Dec 2024 | Water |
| Eel Weir | Erie Boulevard Hydropower LP | Oswegatchie, NY | New York Independent System Operator (NYIS) | 9.8 GWh | Dec 1927 | Dec 2024 | Water |
| Effley | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 14.5 GWh | Dec 1901 | Dec 2024 | Water |
| Elmer | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 9.7 GWh | Dec 1915 | Dec 2024 | Water |
| Ephratah | Erie Boulevard Hydropower LP | Saint Johnsville, NY | New York Independent System Operator (NYIS) | 4.9 GWh | Dec 1910 | 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 |
| Hollidays Bridge Hydro | Northbrook Carolina Hydro LLC | Honea Path, SC | Duke Energy Carolinas (DUK) | 9.7 GWh | Nov 1996 | Dec 2024 | Water |
| Parr Hydro | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 51.1 GWh | Jul 1914 | Dec 2024 | Water |
| Neal Shoals | Dominion Energy South Carolina, Inc | Union, SC | Dominion Energy South Carolina, Inc. (SCEG) | 11.7 GWh | May 1905 | Dec 2024 | Water |
| Johnsonville Dam | Erie Boulevard Hydropower LP | Johnsonville, NY | New York Independent System Operator (NYIS) | 8.0 GWh | Dec 1908 | Dec 2024 | Water |
| Douglas Dam | Tennessee Valley Authority | Dandridge, TN | Tennessee Valley Authority (TVA) | 446.4 GWh | Feb 1943 | Dec 2024 | Water |
| Lighthouse Hill | Erie Boulevard Hydropower LP | Altmar, NY | New York Independent System Operator (NYIS) | 19.2 GWh | Dec 1929 | Dec 2024 | Water |
| Lockhart | Lockhart Power Co | Lockhart, SC | Duke Energy Carolinas (DUK) | 70.0 GWh | Dec 1920 | Dec 2024 | Water |
| 99 Islands | Duke Energy Carolinas, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 36.5 GWh | Apr 1910 | Dec 2024 | Water |
| Wylie | Duke Energy Carolinas, LLC | Fort Mill, SC | Duke Energy Carolinas (DUK) | 157.1 GWh | Jul 1925 | Dec 2024 | Water |
| Wateree Hydro | Duke Energy Carolinas, LLC | Ridgeway, SC | Duke Energy Carolinas (DUK) | 255.3 GWh | Sep 1919 | Dec 2024 | Water |
| Saluda Dam | Northbrook Carolina Hydro LLC | Greenville, SC | Duke Energy Carolinas (DUK) | 7.1 GWh | Nov 1996 | Dec 2024 | Water |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 7.5 GWh | Dec 1939 | Dec 2024 | Water |
| Minetto | Erie Boulevard Hydropower LP | Minetto, NY | New York Independent System Operator (NYIS) | 32.6 GWh | Dec 1914 | Dec 2024 | Water |
| Kamargo | Erie Boulevard Hydropower LP | Black River, NY | New York Independent System Operator (NYIS) | 27.5 GWh | Dec 1920 | Dec 2024 | Water |
| Gaston Shoals | Northbrook Carolina Hydro II, LLC | Blacksburg, SC | Duke Energy Carolinas (DUK) | 15.9 GWh | Apr 1908 | Sep 2024 | Water |
| Fishing Creek | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 139.5 GWh | Oct 1916 | Dec 2024 | Water |
| Dearborn | Duke Energy Carolinas, LLC | Great Falls, SC | Duke Energy Carolinas (DUK) | 91.5 GWh | Feb 1923 | 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 |
| Boyds Mill Hydro | Northbrook Carolina Hydro LLC | Ware Shoals, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Nov 1996 | Dec 2024 | Water |
| Moshier | Erie Boulevard Hydropower LP | Lowville, NY | New York Independent System Operator (NYIS) | 38.1 GWh | Dec 1928 | Dec 2024 | Water |
| Norfolk | Erie Boulevard Hydropower LP | Norfolk, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Dec 1927 | Dec 2024 | Water |
| Norwood | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.1 GWh | Dec 1927 | Dec 2024 | Water |
| Safe Harbor | Safe Harbor | Conestoga, PA | PJM Interconnection, LLC (PJM) | 1.0 TWh | Nov 1931 | 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 |
| Parishville | Erie Boulevard Hydropower LP | Parishville, NY | New York Independent System Operator (NYIS) | 15.6 GWh | Dec 1924 | Dec 2024 | Water |
| High Dam | Oswego City of | Oswego, NY | New York Independent System Operator (NYIS) | 25.6 GWh | Jul 1928 | Dec 2024 | Water |
| Granby | Erie Boulevard Hydropower LP | Fulton, NY | New York Independent System Operator (NYIS) | 35.6 GWh | Dec 1982 | Dec 2024 | Water |
| Chickamauga | Tennessee Valley Authority | Chattanooga, TN | Tennessee Valley Authority (TVA) | 688.9 GWh | Feb 1940 | Dec 2024 | Water |
| Cherokee Dam | Tennessee Valley Authority | Rudledge, TN | Tennessee Valley Authority (TVA) | 341.4 GWh | Mar 1942 | Dec 2024 | Water |
| Boone Dam | Tennessee Valley Authority | Kingsport, TN | Tennessee Valley Authority (TVA) | 184.5 GWh | Feb 1953 | Dec 2024 | Water |
| Apalachia | Tennessee Valley Authority | Reliance, TN | Tennessee Valley Authority (TVA) | 402.1 GWh | Aug 1943 | Dec 2024 | Water |
| Hannawa | Erie Boulevard Hydropower LP | Pierrepont, NY | New York Independent System Operator (NYIS) | 52.5 GWh | Dec 1913 | Dec 2024 | Water |
| Big Bend Dam | USACE-Omaha | Chamberlain, SD | Southwest Power Pool (SWPP) | 813.0 GWh | Aug 1964 | Dec 2024 | Water |
| Fort Randall | USACE-Omaha | Pickstown, SD | Southwest Power Pool (SWPP) | 1.6 TWh | Feb 1954 | Dec 2024 | Water |
| Oahe | USACE-Omaha | Pierre, SD | Southwest Power Pool (SWPP) | 2.2 TWh | Mar 1962 | Dec 2024 | Water |
| Herrings | Erie Boulevard Hydropower LP | Carthage, NY | New York Independent System Operator (NYIS) | 23.0 GWh | Dec 1923 | Dec 2024 | Water |
| Heuvelton | Erie Boulevard Hydropower LP | Village of Heuvelton, NY | New York Independent System Operator (NYIS) | 5.0 GWh | Dec 1923 | Dec 2024 | Water |
| Saluda Lexington | Dominion Energy South Carolina, Inc | Columbia, SC | Dominion Energy South Carolina, Inc. (SCEG) | 143.3 GWh | Jul 1930 | Dec 2024 | Water |
| J Strom Thurmond | USCE-Savannah District | Clarks Hill, SC | Southeastern Power Administration (SEPA) | 650.7 GWh | Dec 1952 | Dec 2024 | Water |
| Spillway | South Carolina Public Service Authority | Pineville, SC | South Carolina Public Service Authority (SC) | 5.6 GWh | Jul 1950 | Aug 2024 | Water |
| Hydraulic Race | Erie Boulevard Hydropower LP | Lockport, NY | New York Independent System Operator (NYIS) | 10.0 GWh | Dec 1941 | Nov 2024 | Water |
| Higley | Erie Boulevard Hydropower LP | Colton, NY | New York Independent System Operator (NYIS) | 37.2 GWh | Aug 2003 | Dec 2024 | Water |
| Inghams | Erie Boulevard Hydropower LP | Little Falls, NY | New York Independent System Operator (NYIS) | 27.0 GWh | Dec 1911 | Dec 2024 | Water |
| Rocky River (SC) | City of Abbeville - (SC) | Iva, SC | Duke Energy Carolinas (DUK) | 6.1 GWh | Dec 1940 | Dec 2024 | Water |
| High Falls - Croghan NY | Erie Boulevard Hydropower LP | Croghan, NY | New York Independent System Operator (NYIS) | 29.2 GWh | Dec 1924 | Dec 2024 | Water |
| Jefferies | South Carolina Public Service Authority | Moncks Corner, SC | South Carolina Public Service Authority (SC) | 248.0 GWh | Nov 1942 | Dec 2024 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 103.3 GWh | Dec 1986 | Oct 2024 | Water |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 98.0 MWh | Feb 1994 | Dec 2024 | Water |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 445.6 GWh | Dec 2015 | Dec 2024 | Water |
| Kosterville | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Apr 1955 | Dec 2024 | Water |
| Gouldtown | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Jul 1953 | Dec 2024 | Water |
| Lyons Falls Hydroelectric | Northbrook Lyons Falls LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Nov 1923 | Dec 2024 | Water |
| Kasidaya Creek Hydro | Alaska Power and Telephone Co | Skagway, AK | 10.7 GWh | Sep 2008 | Dec 2024 | Water | |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 4.8 GWh | Feb 1985 | Oct 2024 | Water |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 8.0 GWh | Apr 1983 | Oct 2024 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 13.4 GWh | Aug 1982 | Sep 2024 | Water |
| Brookfield Power Glen Falls Hydro | Erie Boulevard Hydropower LP | Glen Falls, NY | New York Independent System Operator (NYIS) | 48.5 GWh | Dec 1943 | Dec 2024 | Water |
| Boulder City Silver Lake Hydro | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 9.3 GWh | Apr 2000 | Dec 2024 | Water |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 36.1 GWh | May 2004 | Dec 2024 | Water |
| Mora Drop Hydroelectric Project | Boise-Kuna Irrigation District | Kuna, ID | Idaho Power Company (IPCO) | 4.3 GWh | May 2006 | Oct 2024 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 7.8 GWh | Apr 2014 | Dec 2025 | Water |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 4.8 GWh | Nov 2005 | Dec 2024 | Water | |
| Gauley River Power Partners | Central Rivers Power WV, LLC | Summersville, WV | PJM Interconnection, LLC (PJM) | 143.7 GWh | Jun 2001 | Dec 2024 | Water |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 73.0 GWh | Mar 2010 | Dec 2024 | Water |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 6.4 GWh | Mar 1990 | Dec 2024 | Water |
| AJMS, LLC | AJMS, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 3.8 GWh | Sep 2015 | Dec 2024 | Water |
| Vinelands Power Plant | Grand Valley Power LLC | Palisade, CO | Public Service Company of Colorado (PSCO) | 15.6 GWh | Oct 2022 | Dec 2024 | Water |
| Indian River Hydro | Eagle Creek Renewable Energy, LLC | Russell, MA | ISO New England (ISNE) | 1.3 GWh | Nov 1909 | Dec 2024 | Water |
| Kings River Syphon | Orange Cove Irrigation District | Sanger, CA | California Independent System Operator (CISO) | 325.0 MWh | Aug 1990 | May 2024 | Water |
| Calligan Creek Hydroelectric Project | PUD No 1 of Snohomish County | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 17.2 GWh | Jan 2018 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |