Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Dodge Falls Associates | Dodge Falls Associates LP | Bath, NH | ISO New England (ISNE) | 29.4 GWh | Nov 1990 | Dec 2024 | Water |
| Feeder Dam Hydro Plant | Erie Boulevard Hydropower LP | S. Glen Falls, NY | New York Independent System Operator (NYIS) | 24.5 GWh | Dec 1923 | Dec 2024 | Water |
| Beebee Island Hydro Plant | Erie Boulevard Hydropower LP | Watertown, NY | New York Independent System Operator (NYIS) | 50.9 GWh | Dec 1930 | Dec 2024 | Water |
| Vallecito Hydroelectric | Ptarmigan Res & Engy Inc | Bayfield, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.1 GWh | Apr 1989 | Dec 2024 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Dec 1923 | Dec 2025 | Water |
| Theresa Plant | Central Rivers Power US, LLC | Theresa, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Dec 1926 | Dec 2024 | Water |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Dec 1913 | Dec 2024 | Water |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 9.5 GWh | Dec 1921 | Dec 2024 | Water |
| Copenhagen Plant | Central Rivers Power US, LLC | Copenhagen, NY | New York Independent System Operator (NYIS) | 8.6 GWh | May 1984 | Dec 2024 | Water |
| Beaver Valley Patterson Dam | Central Rivers Power US, LLC | Beaver Falls, PA | PJM Interconnection, LLC (PJM) | 4.2 GWh | Aug 1982 | Dec 2024 | Water |
| Pyrites Plant | Central Rivers Power US, LLC | Pyrites, NY | New York Independent System Operator (NYIS) | 25.3 GWh | Dec 1948 | Dec 2024 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.3 GWh | Jun 1934 | Dec 2025 | Water |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 10.4 GWh | Aug 1989 | Dec 2024 | Water |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 27.5 GWh | Sep 1985 | Dec 2024 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 59.8 GWh | Mar 1985 | Dec 2024 | Water |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1985 | Dec 2024 | Water |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 15.3 GWh | Oct 1986 | Dec 2024 | Water |
| Allegheny Hydro No 9 | Allegheny Hydro LP | Cowansville, PA | PJM Interconnection, LLC (PJM) | 88.2 GWh | Nov 1990 | Dec 2024 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.7 GWh | May 1990 | Oct 2024 | Water |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 48.1 GWh | Dec 1923 | Dec 2025 | Water |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 85.5 GWh | Apr 1986 | Dec 2024 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.3 GWh | Jun 1984 | Dec 2024 | Water |
| Galesville Project | Douglas County | Azalea, OR | PacifiCorp West (PACW) | 2.6 GWh | Jan 1987 | Dec 2024 | Water |
| Lawrence Hydroelectric Associates | Central Rivers Power US, LLC | Lawrence, MA | ISO New England (ISNE) | 65.1 GWh | Jun 1981 | Dec 2024 | Water |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 12.6 GWh | Feb 1983 | Oct 2024 | Water |
| Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1919 | Dec 2024 | Water |
| LAC Courte Oreilles Hydroelect | Renewable World Energies LLC | Winter, WI | Midcontinent Independent System Operator, Inc. (MISO) | 7.7 GWh | Nov 1986 | Dec 2024 | Water |
| Muck Valley Hydroelectric | Brookfield Renewable Trading and Marketing LP | NA, CA | California Independent System Operator (CISO) | 81.8 GWh | Nov 1988 | Dec 2024 | Water |
| Fourth Branch Hydroelectric Facility | Albany Engineering Corporation | Waterford, NY | New York Independent System Operator (NYIS) | 10.6 GWh | Nov 1987 | Dec 2024 | Water |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Garland Canal Power Plant | Shoshone Irrigation District | Powell, WY | PacifiCorp East (PACE) | 8.8 GWh | Aug 1983 | Oct 2025 | Water |
| Turnbull Hydro | Turnbull Hydro LLC | Fairfield, MT | NorthWestern Corporation (NWMT) | 19.2 GWh | May 2011 | Aug 2024 | Water |
| SAF Hydroelectric LLC | SAF Hydroelectric LLC | Minneapolis, MN | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | Nov 2011 | Dec 2024 | Water |
| White River Lock and Dam 3 | Ozark Hydro Management, LLC | Marcella, AR | Southwestern Power Administration (SPA) | 18.3 GWh | Jul 2006 | Dec 2025 | Water |
| Juniper Ridge Hydroelectric Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 11.9 GWh | Sep 2010 | Oct 2024 | Water |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 89.5 GWh | Sep 1924 | Dec 2024 | Water |
| White River Lock and Dam 2 | Ozark Hydro Management, LLC | Locust Grove, AR | Southwestern Power Administration (SPA) | 12.3 GWh | Feb 2007 | Dec 2025 | Water |
| White River Lock and Dam 1 | Ozark Hydro Management, LLC | Batesville, AR | Southwestern Power Administration (SPA) | 14.6 GWh | May 2007 | Dec 2025 | Water |
| Youngs Creek Hydroelectric Project | PUD No 1 of Snohomish County | Monroe, WA | Bonneville Power Administration (BPAT) | 18.7 GWh | Oct 2011 | Dec 2024 | Water |
| Tieton Dam Hydro Electric Project | City of Burbank Water and Power | Rimrock, WA | PacifiCorp West (PACW) | 19.5 GWh | Aug 2006 | Sep 2024 | Water |
| Cannelton Hydroelectric Plant | American Mun Power-Ohio, Inc | Hawesville, KY | Midcontinent Independent System Operator, Inc. (MISO) | 415.9 GWh | Dec 2015 | Dec 2024 | Water |
| Smithland Hydroelectric Plant | American Mun Power-Ohio, Inc | Smithland, KY | Midcontinent Independent System Operator, Inc. (MISO) | 336.3 GWh | Jun 2017 | Dec 2025 | Water |
| Willow Island Hydroelectric Plant | American Mun Power-Ohio, Inc | Willow Island, WV | PJM Interconnection, LLC (PJM) | 182.5 GWh | Dec 2015 | Dec 2024 | Water |
| Orono Hydro Station | Brookfield Black Bear Hydro, LLC | Orono, ME | ISO New England (ISNE) | 5.8 GWh | Dec 2008 | Dec 2024 | Water |
| Lake Dorothy Hydroelectric Project | Alaska Electric Light & Power Co. | Juneau, AK | 83.6 GWh | Aug 2009 | Dec 2024 | Water | |
| Siphon Drop Power Plant | Yuma County Water User's Association | Winterhaven, CA | Western Area Power Administration - Desert Southwest Region (WALC) | 11.6 GWh | Aug 1987 | Dec 2024 | Water |
| Little Quinnesec Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Niagara, WI | Midcontinent Independent System Operator, Inc. (MISO) | 56.6 GWh | Nov 1900 | Dec 2024 | Water |
| Terrora | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 35.9 GWh | Feb 1925 | Dec 2024 | Water |
| Oliver Dam | Georgia Power Co | Columbus, GA | Southern Company Services, Inc. - Trans (SOCO) | 128.4 GWh | Jun 1959 | Dec 2024 | Water |
| Tugalo | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 97.0 GWh | Sep 1923 | Dec 2024 | Water |
| Yonah | Georgia Power Co | Toccoa, GA | Southern Company Services, Inc. - Trans (SOCO) | 42.2 GWh | Sep 1925 | Dec 2024 | Water |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 74.5 GWh | May 1914 | Dec 2024 | Water |
| Etiwanda | Metropolitan Water District of S CA | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 21.1 GWh | Nov 1994 | Mar 2024 | Water |
| Moccasin Low Head Hydro Project | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 4.0 MWh | Jun 1987 | Nov 2024 | Water |
| Soda | PacifiCorp | Soda Springs, ID | PacifiCorp East (PACE) | 19.1 GWh | Jun 1924 | Dec 2024 | Water |
| Lake Blackshear Project | Crisp County Power Comm | Warwick, GA | Southern Company Services, Inc. - Trans (SOCO) | 36.3 GWh | Apr 1930 | Dec 2024 | Water |
| Hartwell Lake | USCE-Savannah District | Hartwell, GA | Southeastern Power Administration (SEPA) | 422.6 GWh | Mar 1962 | Dec 2024 | Water |
| Blue Ridge | Tennessee Valley Authority | Blue Ridge, GA | Tennessee Valley Authority (TVA) | 25.6 GWh | Jun 1931 | Dec 2024 | Water |
| Tallulah Falls | Georgia Power Co | Tallulah Falls, GA | Southern Company Services, Inc. - Trans (SOCO) | 72.0 GWh | Aug 1913 | Dec 2024 | Water |
| Sinclair Dam | Georgia Power Co | Milledgeville, GA | Southern Company Services, Inc. - Trans (SOCO) | 102.9 GWh | Jan 1953 | Dec 2024 | Water |
| Walter F George | USCE-Mobile District | Ft. Gaines, GA | Southern Company Services, Inc. - Trans (SOCO) | 421.7 GWh | Feb 1963 | Dec 2024 | Water |
| North Highlands | Georgia Power Co | Columbus, GA | Southern Company Services, Inc. - Trans (SOCO) | 94.0 GWh | Dec 1962 | Dec 2024 | Water |
| Nacoochee | Georgia Power Co | Lakemont, GA | Southern Company Services, Inc. - Trans (SOCO) | 12.6 GWh | Sep 1926 | Dec 2024 | Water |
| Morgan Falls | Georgia Power Co | Dunwoody, GA | Southern Company Services, Inc. - Trans (SOCO) | 31.6 GWh | Nov 1903 | Dec 2024 | Water |
| Cabinet Gorge | Avista Corp | Clark Fork, ID | Avista Corporation (AVA) | 857.6 GWh | Aug 1952 | Dec 2024 | Water |
| Toadtown | Pacific Gas & Electric Co. | Magalia, CA | California Independent System Operator (CISO) | 2.4 GWh | Mar 1986 | Oct 2024 | Water |
| Lloyd Shoals | Georgia Power Co | Jackson, GA | Southern Company Services, Inc. - Trans (SOCO) | 66.6 GWh | Jan 1911 | Dec 2024 | Water |
| Goat Rock | Georgia Power Co | Smiths, AL | Southern Company Services, Inc. - Trans (SOCO) | 104.7 GWh | Nov 1915 | Dec 2024 | Water |
| Flint River | Georgia Power Co | Albany, GA | Southern Company Services, Inc. - Trans (SOCO) | 34.7 GWh | Nov 1921 | Dec 2024 | Water |
| Burton Dam | Georgia Power Co | Clayton, GA | Southern Company Services, Inc. - Trans (SOCO) | 19.6 GWh | Aug 1927 | Dec 2024 | Water |
| Bartletts Ferry | Georgia Power Co | Salem, AL | Southern Company Services, Inc. - Trans (SOCO) | 348.0 GWh | Nov 1926 | Dec 2024 | Water |
| Upper Mechanicville | New York State Elec & Gas Corp | Town of Stillwater, NY | New York Independent System Operator (NYIS) | 78.7 GWh | Aug 1983 | Dec 2024 | Water |
| American Falls | Idaho Power Co | American Falls, ID | Idaho Power Company (IPCO) | 242.4 GWh | Feb 1978 | Oct 2024 | Water |
| Twin Falls (ID) | Idaho Power Co | Kimberly, ID | Idaho Power Company (IPCO) | 101.0 GWh | Feb 1935 | Dec 2024 | Water |
| Thousand Springs | Idaho Power Co | Wendell, ID | Idaho Power Company (IPCO) | 54.8 GWh | Jul 1912 | Dec 2024 | Water |
| Swan Falls | Idaho Power Co | Kuna, ID | Idaho Power Company (IPCO) | 121.9 GWh | Feb 1994 | Dec 2024 | Water |
| Shoshone Falls | Idaho Power Co | Twin Falls, ID | Idaho Power Company (IPCO) | 71.3 GWh | Jul 1907 | Dec 2024 | Water |
| Lower Salmon | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 232.0 GWh | Jan 1949 | Dec 2024 | Water |
| Upper Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 58.3 GWh | May 1948 | Dec 2024 | Water |
| Lower Malad | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 102.0 GWh | Sep 1948 | Dec 2024 | Water |
| Clear Lake | Idaho Power Co | Buhl, ID | Idaho Power Company (IPCO) | 16.7 GWh | Nov 1937 | Dec 2024 | Water |
| Cascade Dam (ID) | Idaho Power Co | Cascade, ID | Idaho Power Company (IPCO) | 37.4 GWh | Nov 1983 | Dec 2024 | Water |
| C J Strike | Idaho Power Co | Bruneau, ID | Idaho Power Company (IPCO) | 422.3 GWh | Feb 1952 | Dec 2024 | Water |
| Brownlee | Idaho Power Co | Cambridge, ID | Idaho Power Company (IPCO) | 2.2 TWh | Jul 1958 | Dec 2024 | Water |
| Bliss (ID) | Idaho Power Co | Bliss, ID | Idaho Power Company (IPCO) | 332.6 GWh | Oct 1949 | Dec 2024 | Water |
| Nottely | Tennessee Valley Authority | Blairsville, GA | Tennessee Valley Authority (TVA) | 25.7 GWh | Dec 1955 | Dec 2024 | Water |
| Ashton | PacifiCorp | Ashton, ID | PacifiCorp East (PACE) | 32.6 GWh | Jun 1917 | Dec 2024 | Water |
| Jarvis (Hinckley) | New York Power Authority | Hinckley, NY | New York Independent System Operator (NYIS) | 22.8 GWh | Jun 1991 | Dec 2024 | Water |
| Charles E Monty | Brookfield White Pine Hydro LLC | Lewiston, ME | ISO New England (ISNE) | 140.7 GWh | Dec 1989 | Dec 2024 | Water |
| Grace | PacifiCorp | Grace, ID | PacifiCorp East (PACE) | 88.1 GWh | Jun 1923 | Dec 2024 | Water |
| Gem State | City of Idaho Falls - (ID) | Idaho Falls, ID | PacifiCorp East (PACE) | 108.5 GWh | Oct 1988 | Dec 2024 | Water |
| Kingsley | Central Nebraska Pub P&I Dist | Ogallala, NE | Southwest Power Pool (SWPP) | 48.0 GWh | Oct 1984 | Dec 2024 | Water |
| Oneida | PacifiCorp | Riverdale, ID | PacifiCorp East (PACE) | 42.0 GWh | Jun 1915 | Dec 2024 | Water |
| Sly Creek | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 30.9 GWh | Jun 1983 | Dec 2024 | Water |
| Puueo | Hawaii Electric Light Co Inc | Hilo, HI | 1.0 GWh | Nov 1918 | Nov 2025 | Water | |
| Upper Salmon A | Idaho Power Co | Hagerman, ID | Idaho Power Company (IPCO) | 108.0 GWh | Aug 1937 | Dec 2024 | Water |
| Allatoona | USCE-Mobile District | Cartersville, GA | Southern Company Services, Inc. - Trans (SOCO) | 122.5 GWh | Dec 1949 | Dec 2024 | Water |
| Buford | USCE-Mobile District | Buford, GA | Southern Company Services, Inc. - Trans (SOCO) | 147.1 GWh | Nov 2003 | Dec 2024 | Water |
| Salida | Public Service Co of Colorado | Salida, CO | Public Service Company of Colorado (PSCO) | 1.0 GWh | May 1908 | Dec 2024 | Water |
| Big Thompson | U S Bureau of Reclamation | Loveland, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.0 GWh | Mar 1959 | 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 |