Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Roaring Creek Water Power | Shasta Hydroelectric Inc | Montgomery Creek, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 1986 | Dec 2024 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 2.4 GWh | Dec 1980 | Apr 2025 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 1986 | Dec 2024 | Water |
| Union Falls | Union Falls Hydro Power LP | Au Sable Forks, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Dec 1986 | Dec 2024 | Water |
| Gay Robinson | Gay & Robinson Inc | Kaumakani, HI | (NA) | 42.4 GWh | Feb 1982 | Dec 2024 | Water |
| Victory Mills | Central Rivers Power US, LLC | Victory Mills, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Nov 1986 | Jul 2024 | Water |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 7.0 GWh | Jan 1999 | Apr 2025 | Water |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.6 GWh | Jul 1983 | Dec 2024 | Water |
| Dahowa Hydro | GR Catalyst Two LLC | Greenwich, NY | New York Independent System Operator (NYIS) | 44.6 GWh | Nov 1987 | Dec 2023 | Water |
| Chasm Hydro Partnership | Ampersand Chasm Hydro LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Feb 1982 | Dec 2024 | Water |
| Newport Hydro | Eagle Creek Renewable Energy, LLC | Newport, NY | New York Independent System Operator (NYIS) | 6.3 GWh | Nov 1987 | Dec 2024 | Water |
| Sartell Dam | Eagle Creek Renewable Energy, LLC | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Feb 1985 | Dec 2024 | Water |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Dec 1985 | Dec 2024 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 88.7 GWh | Jan 1989 | Dec 2024 | Water |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 7.1 GWh | Dec 1911 | Dec 2024 | Water |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 34.6 GWh | Apr 1989 | Oct 2024 | Water |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 5.3 GWh | Apr 1989 | Oct 2024 | Water |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 6.0 GWh | Sep 1983 | Aug 2024 | Water |
| Domtar Paper Company Rothschild | Domtar Paper Company Rothschild | Rothschild, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1909 | May 2024 | Water |
| Nacimiento Hydro Project | Monterey Cnty Water Res Agency | Bradley, CA | California Independent System Operator (CISO) | 18.2 GWh | Jun 1987 | Dec 2024 | Water |
| Unionville Hydro Project 2499 NY | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.3 GWh | Jun 1984 | Dec 2024 | Water |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 2024 | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 2024 | Water |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 65.9 GWh | Feb 1992 | Dec 2024 | Water |
| New Martinsville Hannibal Hydro | New Martinsville Hannibal Hydro | New Martinsville, WV | PJM Interconnection, LLC (PJM) | 117.6 GWh | Jun 1988 | Dec 2024 | Water |
| Valley Falls Hydroelectric Facility | Valley Falls Associates | Valley Falls, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Jul 1985 | Dec 2024 | Water |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 290.6 GWh | Sep 1988 | Dec 2024 | Water |
| Hollow Dam Power Partnership | Ampersand Hollow Dam Hydro LLC | Gouveneur, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Nov 1987 | Sep 2024 | Water |
| Hampshire Paper | Hampshire Paper Co Inc | Gouverneur, NY | New York Independent System Operator (NYIS) | 12.1 GWh | Apr 1987 | Dec 2024 | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 5.9 GWh | May 1982 | Dec 2024 | Water |
| Strontia Springs Hydro Plant | Denver City & County of | Littleton, CO | Public Service Company of Colorado (PSCO) | 5.0 GWh | Jun 1986 | Nov 2024 | Water |
| Foothills Hydro Plant | Denver City & County-Foothills | Littleton, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.4 GWh | Apr 1985 | Oct 2024 | Water |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.6 GWh | Sep 1985 | Dec 2024 | Water |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 5.0 GWh | Apr 1984 | Dec 2024 | Water |
| Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.1 GWh | Nov 1989 | Dec 2024 | Water |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 5.9 GWh | May 1983 | Dec 2024 | Water |
| Cabot Holyoke | City of Holyoke Gas and Electric Dept. | Holyoke, MA | ISO New England (ISNE) | 4.4 GWh | Dec 1892 | Dec 2024 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 59.9 GWh | Mar 1922 | Dec 2024 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.9 GWh | Nov 1992 | Dec 2024 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.2 TWh | Aug 1936 | Apr 2025 | Water |
| Fife Brook | Bear Swamp Power Company LLC | Florida, MA | ISO New England (ISNE) | 29.5 GWh | Sep 1974 | Oct 2024 | Water |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 2001 | Apr 2024 | Water |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 448.8 GWh | Dec 1983 | Apr 2025 | Water |
| Snoqualmie 2 | Puget Sound Energy Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 108.9 GWh | Dec 1956 | Dec 2024 | Water |
| Power Creek | Cordova Electric Coop, Inc | Cordova, AK | 16.7 GWh | Oct 2001 | Dec 2024 | Water | |
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 44.6 GWh | Oct 1987 | Dec 2024 | Water |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
| Haypress | EIF Haypress LLC | Sierra City, CA | California Independent System Operator (CISO) | 17.6 GWh | Nov 1988 | Jun 2024 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Jun 1985 | Dec 2024 | Water |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Jun 1985 | Dec 2024 | Water |
| New York State Dam Hydro | Boralex Hydro Operations Inc | Waterford, NY | New York Independent System Operator (NYIS) | 42.0 GWh | Oct 1990 | Dec 2024 | Water |
| Sissonville Hydro | Boralex Hydro Operations Inc | Potsdam, NY | New York Independent System Operator (NYIS) | 15.7 GWh | Jun 1990 | Dec 2024 | Water |
| Middle Falls Hydro | Boralex Hydro Operations Inc | Middle Falls, NY | New York Independent System Operator (NYIS) | 10.1 GWh | Aug 1989 | Dec 2024 | Water |
| Lower Saranac Hydroelectric Facility | Central Rivers Power US, LLC | Plattsburgh, NY | New York Independent System Operator (NYIS) | 10.9 GWh | Sep 1990 | Dec 2024 | Water |
| Philadlephia | EONY Generation Limited | Village of Philadelph, NY | New York Independent System Operator (NYIS) | 10.7 GWh | Sep 1986 | Dec 2024 | Water |
| Kaukauna City Hydro | City of Kaukauna | Kaukauna, WI | Midcontinent Independent System Operator, Inc. (MISO) | 23.0 GWh | Nov 1940 | Dec 2024 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 116.3 GWh | Dec 1949 | Dec 2024 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | Dec 2024 | Water |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 6.7 GWh | Aug 1988 | Jul 2024 | Water |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 5.0 GWh | Mar 1986 | Nov 2024 | Water |
| Brasfield | Appomattox River Associates LP | Petersburg, VA | PJM Interconnection, LLC (PJM) | 9.6 GWh | Aug 1993 | Dec 2024 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 12.6 GWh | Mar 1986 | Dec 2024 | Water |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 43.0 GWh | Nov 1990 | Dec 2024 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 3.8 GWh | Aug 1985 | Nov 2024 | Water |
| Dam 2 | Arkansas Electric Coop Corp | Dumas, AR | Midcontinent Independent System Operator, Inc. (MISO) | 400.7 GWh | May 1999 | Dec 2024 | Water |
| Basalt | City of Aspen- (CO) | Aspen, CO | Public Service Company of Colorado (PSCO) | 18.8 GWh | Aug 1985 | Dec 2024 | Water |
| Dalles Dam North Fishway Project | Northern Wasco County PUD | The Dalles, OR | Bonneville Power Administration (BPAT) | 44.3 GWh | Apr 1991 | Dec 2024 | Water |
| Cowlitz Falls | PUD No 1 of Lewis County | Randle, WA | Bonneville Power Administration (BPAT) | 196.3 GWh | May 1994 | Dec 2024 | Water |
| Towaoc | U S Bureau of Reclamation | Cortez, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 9.8 GWh | Apr 1993 | Dec 2024 | Water |
| McPhee | U S Bureau of Reclamation | Cortez, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.1 GWh | Nov 1992 | May 2024 | Water |
| Bradley Lake | Homer Electric Assn Inc | Homer, AK | 397.1 GWh | May 1991 | Dec 2024 | Water | |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | Dec 2024 | Water |
| Buffalo Bill | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 66.2 GWh | Aug 1992 | Dec 2024 | Water |
| Skookumchuck | TransAlta Centralia Gen LLC | Tenino, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Aug 1990 | Dec 2023 | Water |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 8.9 GWh | May 1988 | Dec 2024 | Water |
| Tesla | City of Colorado Springs - (CO) | Colorado Springs, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 62.4 GWh | Mar 1997 | Dec 2024 | Water |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 14.9 GWh | Aug 1988 | Dec 2024 | Water |
| Tallassee Hydro Project | Tallassee Shoals LLC | Clarke, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.9 GWh | Jul 1986 | Apr 2025 | Water |
| Milner Hydro | Idaho Power Co | Murtaugh, ID | Idaho Power Company (IPCO) | 98.7 GWh | Aug 1992 | Dec 2024 | Water |
| Whiskeytown | City of Redding - (CA) | Whiskeytown, CA | Balancing Authority of Northern California (BANC) | 23.1 GWh | Aug 1986 | Oct 2024 | Water |
| Headgate Rock | Colorado River Indian Irr Proj | Parker, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 32.3 GWh | Feb 1993 | Dec 2023 | Water |
| Chester Lake | Metlakatla Power & Light | Metlakatla, AK | 5.1 GWh | Dec 1987 | Dec 2024 | Water | |
| Murray | City of North Little Rock - (AR) | North Little Rock, AR | Midcontinent Independent System Operator, Inc. (MISO) | 113.5 GWh | Sep 1988 | Dec 2024 | Water |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 15.6 GWh | Mar 1986 | Dec 2024 | Water |
| H M Jackson | PUD No 1 of Snohomish County | Sultan, WA | Bonneville Power Administration (BPAT) | 365.7 GWh | May 1984 | Dec 2024 | Water |
| Big Quinnesec 61 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Apr 1914 | Dec 2024 | Water |
| Big Quinnesec 92 | Wisconsin Electric Power Co | Iron Mountain, MI | Midcontinent Independent System Operator, Inc. (MISO) | 89.1 GWh | Oct 1949 | Dec 2024 | Water |
| Hamilton Hydro | City of Hamilton - (OH) | HAMILTON, OH | PJM Interconnection, LLC (PJM) | 7.8 GWh | Apr 1994 | Dec 2024 | Water |
| Abiquiu Dam | Los Alamos County | Abiquiu, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 24.3 GWh | Mar 1989 | Dec 2024 | Water |
| Black Bear Lake | Alaska Power and Telephone Co | Craig, AK | 21.4 GWh | Feb 1995 | Dec 2024 | Water | |
| Goat Lake Hydro | Alaska Power and Telephone Co | Skagway, AK | 15.1 GWh | Nov 1997 | Dec 2024 | Water | |
| Auglaize Hydro | City of Bryan - (OH) | Bryan, OH | PJM Interconnection, LLC (PJM) | 6.5 GWh | Nov 1986 | Dec 2024 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 36.4 GWh | May 1983 | Dec 2024 | Water |
| Belleville Dam | American Mun Power-Ohio, Inc | Belleville, WV | PJM Interconnection, LLC (PJM) | 223.4 GWh | May 1999 | Dec 2024 | Water |
| Warrensburg Hydroelectric | Boralex Hydro Operations Inc | Warrensburg, NY | New York Independent System Operator (NYIS) | 10.7 GWh | Nov 1988 | Dec 2024 | Water |
| Talcville | Erie Boulevard Hydropower LP | Edwards, NY | New York Independent System Operator (NYIS) | 601.0 MWh | Dec 1985 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on April 2025 generation numbers.| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,243.20 GWh |
| Alaska | # 48 | 142 | 476.79 GWh |
| Arizona | # 15 | 173 | 7,447.02 GWh |
| Arkansas | # 31 | 99 | 3,937.58 GWh |
| California | # 4 | 1,664 | 15,684.45 GWh |
| Colorado | # 28 | 290 | 4,479.29 GWh |
| Connecticut | # 37 | 162 | 2,832.47 GWh |
| Delaware | # 49 | 32 | 450.59 GWh |
| District of Columbia | # 51 | 16 | 13.07 GWh |
| Florida | # 2 | 317 | 20,430.69 GWh |
| Georgia | # 6 | 248 | 11,378.75 GWh |
| Hawaii | # 46 | 68 | 750.53 GWh |
| Idaho | # 44 | 145 | 1,489.98 GWh |
| Illinois | # 5 | 358 | 14,828.23 GWh |
| Indiana | # 14 | 208 | 7,809.31 GWh |
| Iowa | # 19 | 294 | 6,020.16 GWh |
| Kansas | # 21 | 180 | 5,162.37 GWh |
| Kentucky | # 25 | 57 | 4,785.23 GWh |
| Louisiana | # 16 | 83 | 7,414.75 GWh |
| Maine | # 45 | 208 | 1,052.11 GWh |
| Maryland | # 36 | 196 | 3,016.71 GWh |
| Massachusetts | # 43 | 623 | 1,491.61 GWh |
| Michigan | # 9 | 269 | 9,486.98 GWh |
| Minnesota | # 27 | 765 | 4,502.46 GWh |
| Mississippi | # 20 | 56 | 5,727.48 GWh |
| Missouri | # 23 | 120 | 5,119.33 GWh |
| State | Rank | Active Plants | Apr 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,029.46 GWh |
| Nebraska | # 38 | 127 | 2,575.70 GWh |
| Nevada | # 33 | 110 | 3,434.99 GWh |
| New Hampshire | # 42 | 56 | 1,516.23 GWh |
| New Jersey | # 22 | 385 | 5,160.42 GWh |
| New Mexico | # 32 | 139 | 3,447.34 GWh |
| New York | # 8 | 930 | 9,830.59 GWh |
| North Carolina | # 10 | 909 | 9,044.94 GWh |
| North Dakota | # 35 | 57 | 3,134.93 GWh |
| Ohio | # 12 | 197 | 8,321.20 GWh |
| Oklahoma | # 18 | 136 | 6,341.82 GWh |
| Oregon | # 24 | 272 | 4,888.92 GWh |
| Pennsylvania | # 3 | 255 | 17,282.62 GWh |
| Rhode Island | # 47 | 97 | 690.36 GWh |
| South Carolina | # 11 | 200 | 8,436.34 GWh |
| South Dakota | # 41 | 52 | 1,909.63 GWh |
| Tennessee | # 26 | 86 | 4,565.37 GWh |
| Texas | # 1 | 885 | 43,683.73 GWh |
| Utah | # 39 | 122 | 2,192.68 GWh |
| Vermont | # 50 | 117 | 200.11 GWh |
| Virginia | # 17 | 233 | 6,991.48 GWh |
| Washington | # 13 | 134 | 8,268.23 GWh |
| West Virginia | # 30 | 39 | 3,969.31 GWh |
| Wisconsin | # 29 | 244 | 4,163.43 GWh |
| Wyoming | # 34 | 73 | 3,236.34 GWh |