Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 31.9 GWh | Oct 1987 | Dec 2023 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 145.1 GWh | Dec 1949 | Dec 2023 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 20.2 GWh | Nov 1985 | Dec 2023 | Water |
| Kaw Hydro | Oklahoma Municipal Power Authority | Ponca City, OK | Southwest Power Pool (SWPP) | 8.6 GWh | Jul 1989 | Dec 2023 | Water |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 3.0 GWh | Mar 1986 | Dec 2023 | Water |
| Brasfield | Appomattox River Associates LP | Petersburg, VA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Aug 1993 | Dec 2023 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 9.2 GWh | Mar 1986 | Dec 2023 | Water |
| South Dry Creek Hydro | Hydrodynamics Inc | Red Lodge, MT | NorthWestern Corporation (NWMT) | 2.9 GWh | Aug 1985 | Nov 2023 | Water |
| Deweys Mill | Green Mountain Power Corp | White River Jct., VT | ISO New England (ISNE) | 2.0 GWh | May 1989 | Dec 2023 | Water |
| Hollow Dam Power Partnership | Ampersand Hollow Dam Hydro LLC | Gouveneur, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Nov 1987 | Dec 2023 | Water |
| Stevens Mills Dam | Eagle Creek Renewable Energy, LLC | Franklin, NH | ISO New England (ISNE) | 9.8 GWh | May 1982 | Dec 2023 | Water |
| Strontia Springs Hydro Plant | Denver City & County of | Littleton, CO | Public Service Company of Colorado (PSCO) | 7.2 GWh | Jun 1986 | Dec 2023 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 12.0 GWh | Apr 1951 | Dec 2023 | Water |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.5 GWh | Nov 1989 | Dec 2023 | Water |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.0 GWh | Feb 1990 | Dec 2023 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 8.1 GWh | Mar 1986 | Dec 2023 | Water |
| Barber Dam | Central Rivers Power US, LLC | Boise, ID | Idaho Power Company (IPCO) | 9.2 GWh | Jul 1990 | Dec 2023 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 1.8 GWh | Sep 1989 | Dec 2023 | Water |
| Basalt | City of Aspen- (CO) | Aspen, CO | Public Service Company of Colorado (PSCO) | 16.3 GWh | Aug 1985 | Dec 2023 | Water |
| Lachute Hydro Lower | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 18.5 GWh | Nov 1987 | Dec 2023 | Water |
| Lachute Hydro Upper | Central Rivers Power US, LLC | Ticonderoga, NY | New York Independent System Operator (NYIS) | 18.5 GWh | Nov 1987 | Dec 2023 | Water |
| Piedmont Hydro Power Project | Central Rivers Power US, LLC | Piedmont, SC | Duke Energy Carolinas (DUK) | 4.4 GWh | Apr 1989 | Dec 2023 | Water |
| Fries Hydroelectric Project | Central Rivers Power US, LLC | Fries, VA | PJM Interconnection, LLC (PJM) | 20.6 GWh | Dec 1932 | Sep 2024 | Water |
| Pelzer Upper | Central Rivers Power US, LLC | Petzer, SC | Duke Energy Carolinas (DUK) | 4.6 GWh | Nov 1989 | Dec 2023 | Water |
| Pelzer Lower | Central Rivers Power US, LLC | Williamston, SC | Duke Energy Carolinas (DUK) | 4.6 GWh | Nov 1989 | Dec 2023 | Water |
| Crystal Springs | Crystal Springs Hydro Elec LP | Filer, ID | Idaho Power Company (IPCO) | 8.9 GWh | Dec 1987 | Dec 2023 | Water |
| Rock Creek II | Hydroland Omega LLC | Twin Falls, ID | Idaho Power Company (IPCO) | 5.8 GWh | Jul 1990 | Dec 2023 | Water |
| Port Leyden Hydroelectric Project | Empire Hydro Partners | Port Leyden, NY | New York Independent System Operator (NYIS) | 5.2 GWh | Nov 1985 | Dec 2023 | Water |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Dec 1913 | Dec 2023 | Water |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 5.3 GWh | Dec 1968 | Dec 2023 | Water |
| Walden | Hydroland Omega LLC | Walden, NY | New York Independent System Operator (NYIS) | 840.0 MWh | Mar 1986 | Dec 2023 | Water |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 4.6 GWh | Dec 1983 | Dec 2023 | Water |
| Kings Falls Hydroelectric | Silverstreet Hydro | Copenhagen, NY | New York Independent System Operator (NYIS) | 2.1 GWh | Sep 1988 | Dec 2023 | Water |
| Dalles Dam North Fishway Project | Northern Wasco County PUD | The Dalles, OR | Bonneville Power Administration (BPAT) | 41.6 GWh | Apr 1991 | Dec 2023 | Water |
| Cowlitz Falls | PUD No 1 of Lewis County | Randle, WA | Bonneville Power Administration (BPAT) | 190.4 GWh | May 1994 | Dec 2023 | Water |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 11.2 GWh | Feb 1987 | Dec 2023 | Water |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 6.3 GWh | Jan 1999 | Mar 2025 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 11.3 GWh | Dec 1911 | Dec 2023 | Water |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 435.2 GWh | May 1936 | Dec 2023 | Water |
| Valley Falls Hydroelectric Facility | Valley Falls Associates | Valley Falls, NY | New York Independent System Operator (NYIS) | 11.3 GWh | Jul 1985 | Dec 2023 | Water |
| New Martinsville Hannibal Hydro | New Martinsville Hannibal Hydro | New Martinsville, WV | PJM Interconnection, LLC (PJM) | 173.4 GWh | Jun 1988 | Dec 2023 | Water |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 30.7 GWh | Apr 1989 | Dec 2023 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 31.8 GWh | Dec 1984 | Mar 2025 | Water |
| Theresa Plant | Central Rivers Power US, LLC | Theresa, NY | New York Independent System Operator (NYIS) | 1.3 GWh | Dec 1926 | Dec 2023 | Water |
| French Paper Hydro | French Paper Co | Niles, MI | PJM Interconnection, LLC (PJM) | 2.7 GWh | Dec 1920 | Mar 2025 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.9 GWh | Jun 1934 | Mar 2025 | Water |
| Pyrites Plant | Central Rivers Power US, LLC | Pyrites, NY | New York Independent System Operator (NYIS) | 27.8 GWh | Dec 1948 | Dec 2023 | Water |
| Beaver Valley Patterson Dam | Central Rivers Power US, LLC | Beaver Falls, PA | PJM Interconnection, LLC (PJM) | 4.8 GWh | Aug 1982 | Dec 2023 | Water |
| Stone Creek | Eugene Water & Electric Board | Estacada, OR | Portland General Electric Company (PGE) | 46.0 GWh | Dec 1993 | Dec 2023 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD | Plymouth, WA | Bonneville Power Administration (BPAT) | 73.8 GWh | Oct 1997 | Dec 2023 | Water |
| Gilman Mill | Ampersand Gilman Hydro LP | Gilman, VT | ISO New England (ISNE) | 28.1 GWh | Dec 1940 | Dec 2023 | Water |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 19.9 GWh | Aug 1989 | Dec 2023 | Water |
| Lake Mendocino | City of Ukiah - (CA) | Ukiah, CA | California Independent System Operator (CISO) | 11.1 GWh | Apr 1987 | Dec 2023 | Water |
| Black River Hydro Associates | Central Rivers Power US, LLC | Port Layden, NY | New York Independent System Operator (NYIS) | 16.9 GWh | Dec 1983 | Dec 2023 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 4.3 GWh | Dec 1919 | Mar 2025 | Water |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 16.2 GWh | Oct 1986 | Dec 2023 | Water |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | May 1988 | Dec 2023 | Water |
| Burney Creek | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 6.2 GWh | Feb 1990 | Dec 2023 | Water |
| Copenhagen Plant | Central Rivers Power US, LLC | Copenhagen, NY | New York Independent System Operator (NYIS) | 9.0 GWh | May 1984 | Dec 2023 | Water |
| Hailesboro 4 Plant | Central Rivers Power US, LLC | Hailesboro, NY | New York Independent System Operator (NYIS) | 8.1 GWh | Dec 1921 | Dec 2023 | Water |
| Cove Hydroelectric | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 14.4 GWh | Jan 1990 | Dec 2023 | Water |
| Schoolfield Dam | Eagle Creek Renewable Energy, LLC | Danville, VA | PJM Interconnection, LLC (PJM) | 13.6 GWh | Sep 1990 | Mar 2025 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 35.5 GWh | Mar 1995 | Dec 2023 | Water |
| Longfalls Facility | Ampersand Long Falls Hydro, LLC | West Carthage, NY | New York Independent System Operator (NYIS) | 881.0 MWh | Sep 1991 | Dec 2023 | Water |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 29.8 GWh | Oct 1989 | Dec 2023 | Water |
| Collierville Powerhouse | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 495.9 GWh | Oct 1989 | Mar 2025 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 4.3 GWh | Nov 1984 | Dec 2023 | Water |
| Wappinger Falls Hydroelectric | Windsor Machinery Co Inc | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 11.8 GWh | Nov 1988 | Dec 2023 | Water |
| Curtis Palmer Hydroelectric | Palmer Hydroelectric | Corinth, NY | New York Independent System Operator (NYIS) | 393.2 GWh | Sep 1985 | Dec 2023 | Water |
| Little Falls Hydro | Eagle Creek Renewable Energy, LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 49.6 GWh | Dec 1986 | Dec 2023 | Water |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 16.5 GWh | Nov 1988 | Dec 2023 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 168.0 GWh | Dec 1913 | Dec 2023 | Water |
| Great Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Paterson, NJ | PJM Interconnection, LLC (PJM) | 2.5 GWh | Nov 1985 | Mar 2025 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Dec 2023 | Water |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 44.2 GWh | Jul 1993 | Dec 2023 | Water |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | Dec 2023 | Water |
| Hastings City Hydroelectric | Hastings Lock & Dam | Hastings, MN | Midcontinent Independent System Operator, Inc. (MISO) | 22.4 GWh | Dec 1991 | Dec 2023 | Water |
| Sidney A Murray Jr Hydroelectric | First National Bank-Commerce | Vidalia, LA | Midcontinent Independent System Operator, Inc. (MISO) | 707.5 GWh | Apr 1990 | Dec 2023 | Water |
| Boulder City Lakewood Hydro | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.7 GWh | Jan 2004 | Dec 2023 | Water |
| Boulder City Betasso Hydro Plant | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.7 GWh | Nov 1987 | Dec 2023 | Water |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 26.3 GWh | Sep 1990 | Dec 2023 | Water |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 24.2 GWh | Dec 1984 | Dec 2023 | Water |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 50.9 GWh | Nov 1989 | Dec 2023 | Water |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 5.2 GWh | Nov 1979 | Dec 2023 | Water |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 50.0 GWh | Nov 1989 | Dec 2023 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.2 GWh | Feb 1986 | Dec 2023 | Water |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 36.3 GWh | Mar 1993 | Dec 2023 | Water |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1987 | Dec 2023 | Water |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 12.9 GWh | Mar 1986 | Dec 2023 | Water |
| Allegheny Hydro No 9 | Allegheny Hydro LP | Cowansville, PA | PJM Interconnection, LLC (PJM) | 86.7 GWh | Nov 1990 | Dec 2023 | Water |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.7 GWh | Nov 1984 | Dec 2023 | Water |
| Allegheny Hydro No 8 | Allegheny Hydro LP | Adrian, PA | PJM Interconnection, LLC (PJM) | 73.2 GWh | Nov 1990 | Dec 2023 | Water |
| Sibley Mill | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.5 GWh | Dec 1945 | Mar 2025 | Water |
| Allegheny No 6 Hydro Station | Eagle Creek Renewable Energy, LLC | Ford City, PA | PJM Interconnection, LLC (PJM) | 34.7 GWh | Oct 1988 | Dec 2023 | Water |
| Allegheny No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Schenley, PA | PJM Interconnection, LLC (PJM) | 34.7 GWh | Sep 1988 | Dec 2023 | Water |
| Norway Point Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 GWh | Aug 1990 | Dec 2023 | Water |
| Four Mile Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.6 GWh | Aug 1990 | Dec 2023 | Water |
| Ninth Street Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 6.8 GWh | Aug 1990 | Dec 2023 | Water |
| Terminus Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Lemon Cove, CA | California Independent System Operator (CISO) | 61.3 GWh | Feb 1990 | Dec 2023 | Water |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 57.1 GWh | May 1982 | Dec 2023 | Water |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |