Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 5.3 GWh | Apr 1989 | Oct 2024 | Water |
| Warrensburg Hydroelectric | Boralex Hydro Operations Inc | Warrensburg, NY | New York Independent System Operator (NYIS) | 10.7 GWh | Nov 1988 | 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 |
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 44.6 GWh | Oct 1987 | Dec 2024 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 27.6 GWh | Jul 1985 | Oct 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 |
| Sissonville Hydro | Boralex Hydro Operations Inc | Potsdam, NY | New York Independent System Operator (NYIS) | 15.7 GWh | Jun 1990 | Dec 2024 | Water |
| Brasfield | Appomattox River Associates LP | Petersburg, VA | PJM Interconnection, LLC (PJM) | 9.6 GWh | Aug 1993 | Dec 2024 | Water |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 22.4 GWh | May 1993 | Oct 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 |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 5.9 GWh | May 1983 | 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 |
| Vallecito Hydroelectric | Ptarmigan Res & Engy Inc | Bayfield, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.1 GWh | Apr 1989 | 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 |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 1986 | 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 |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Kings Falls Hydroelectric | Silverstreet Hydro | Copenhagen, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Sep 1988 | Dec 2024 | Water |
| Box Canyon Dam | Siskiyou Power Authority | Mount Shasta, CA | PacifiCorp West (PACW) | 22.6 GWh | May 1986 | Dec 2024 | Water |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Dec 1983 | Nov 2024 | Water |
| Walden | Hydroland Omega LLC | Walden, NY | New York Independent System Operator (NYIS) | 840.0 MWh | Mar 1986 | Dec 2023 | Water |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 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 |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 7.0 GWh | Jan 1999 | Apr 2025 | Water |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 3.1 GWh | Sep 1989 | Dec 2024 | Water |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 738.0 MWh | Dec 1968 | Dec 2024 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 2.4 GWh | Apr 1951 | Dec 2024 | Water |
| Rocky Brook Hydroelectric | Rocky Brook Electric Inc | Brinnon, WA | Bonneville Power Administration (BPAT) | 540.0 MWh | Nov 1985 | Dec 2024 | Water |
| Port Leyden Hydroelectric Project | Lyonsdale Hydroelectric Co., Inc. | Port Leyden, NY | New York Independent System Operator (NYIS) | 4.7 GWh | Nov 1985 | Dec 2024 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Dietrich Drop | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 8.3 GWh | Jul 1990 | Oct 2024 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 9.4 GWh | Dec 1987 | Dec 2024 | Water |
| Pelzer Lower | Central Rivers Power US, LLC | Williamston, SC | Duke Energy Carolinas (DUK) | 4.7 GWh | Nov 1989 | Dec 2024 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 17.3 GWh | Dec 1909 | Dec 2024 | Water |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 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 |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | Dec 2024 | Water |
| Normanskill Hydro Project | Watervliet City of | Guilderland, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Mar 1983 | Dec 2024 | Water |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Dec 1985 | 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 |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 2.8 GWh | Jun 1981 | Dec 2024 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 2.4 GWh | Dec 1980 | Apr 2025 | Water |
| Chateaugay High Falls Hydro | Hydroland Omega LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Nov 1988 | Dec 2023 | Water |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 7.8 GWh | May 1986 | Dec 2024 | Water |
| Pelzer Upper | Central Rivers Power US, LLC | Petzer, SC | Duke Energy Carolinas (DUK) | 4.7 GWh | Nov 1989 | Dec 2024 | Water |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 17.7 GWh | Nov 1981 | Dec 2024 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 29.9 GWh | Dec 1984 | Apr 2025 | Water |
| Halifax | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 1914 | 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 |
| 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 |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 433.8 GWh | May 1936 | Dec 2024 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 14.1 GWh | Dec 1911 | Dec 2024 | Water |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 10.4 GWh | Aug 1989 | Dec 2024 | Water |
| Black River Hydro Associates | Central Rivers Power US, LLC | Port Layden, NY | New York Independent System Operator (NYIS) | 23.4 GWh | Dec 1983 | Dec 2024 | Water |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 3.9 GWh | Apr 1995 | Dec 2024 | Water |
| French Paper Hydro | French Paper Co | Niles, MI | PJM Interconnection, LLC (PJM) | 2.6 GWh | Dec 1920 | Apr 2025 | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 7.4 GWh | Nov 1985 | Dec 2024 | Water |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1940 | Dec 2024 | Water |
| Chasm Hydro Partnership | Ampersand Chasm Hydro LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Feb 1982 | 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 |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 15.3 GWh | Oct 1986 | Dec 2024 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2024 | Water |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 27.5 GWh | Sep 1985 | Dec 2024 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 4.1 GWh | Dec 1919 | Apr 2025 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.1 GWh | Nov 1983 | Dec 2024 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.8 GWh | Jun 1934 | Apr 2025 | Water |
| Pyrites Plant | Central Rivers Power US, LLC | Pyrites, NY | New York Independent System Operator (NYIS) | 25.3 GWh | Dec 1948 | 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 |
| Copenhagen Plant | Central Rivers Power US, LLC | Copenhagen, NY | New York Independent System Operator (NYIS) | 8.6 GWh | May 1984 | 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 |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Dec 1913 | Dec 2024 | Water |
| Theresa Plant | Central Rivers Power US, LLC | Theresa, NY | New York Independent System Operator (NYIS) | 4.4 GWh | Dec 1926 | Dec 2024 | Water |
| Bear Creek | Central Rivers Power US, LLC | Shingletown, CA | California Independent System Operator (CISO) | 7.4 GWh | Dec 1989 | Dec 2024 | Water |
| Lachute Hydro Upper | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 12.6 GWh | Nov 1987 | Dec 2024 | Water |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | PJM Interconnection, LLC (PJM) | 20.6 GWh | Dec 1932 | Sep 2024 | Water |
| Piedmont Hydro Power Project | Central Rivers Power US, LLC | Piedmont, SC | Duke Energy Carolinas (DUK) | 4.5 GWh | Apr 1989 | Dec 2024 | Water |
| Koyle Ranch Hydroelectric Project | Koyle Hydro Inc | Gooding, ID | Idaho Power Company (IPCO) | 3.8 GWh | Nov 1983 | Oct 2024 | Water |
| San Dimas Wash Generating Station | San Gabriel Valley Mun Wtr Dt | San Dimas, CA | California Independent System Operator (CISO) | 4.8 GWh | Feb 1986 | Jun 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 |
| Hewittville Hydroelectric | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Aug 1984 | 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 |
| Worumbo Hydro Station | Eagle Creek Renewable Energy, LLC | Lisbon Falls, ME | ISO New England (ISNE) | 88.7 GWh | Jan 1989 | 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 |
| Gay Robinson | Gay & Robinson Inc | Kaumakani, HI | (NA) | 42.4 GWh | Feb 1982 | Dec 2024 | Water |
| Lachute Hydro Lower | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 12.6 GWh | Nov 1987 | Dec 2024 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 19.9 GWh | Apr 1989 | Sep 2024 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 2.3 GWh | Sep 1989 | Apr 2024 | Water |
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | Idaho Power Company (IPCO) | 6.7 GWh | Jul 1990 | Dec 2024 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.7 GWh | Mar 1986 | Dec 2024 | Water |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 2.9 GWh | Feb 1990 | Dec 2024 | Water |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.1 GWh | Nov 1989 | 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 |