Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| W E Warne | California Dept. of Water Resources | Gorman, CA | California Independent System Operator (CISO) | 211.0 GWh | Oct 1982 | Dec 2025 | Water |
| Clarence Cannon | USCE-St Louis District | Monroe City, MO | Associated Electric Cooperative, Inc. (AECI) | 126.8 GWh | Oct 1984 | Aug 2026 | Water |
| Crystal | U S Bureau of Reclamation | Montrose, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 141.3 GWh | May 1978 | Dec 2025 | Water |
| Grand Coulee | U S Bureau of Reclamation | Grand Coulee, WA | Bonneville Power Administration (BPAT) | 19.0 TWh | Feb 1941 | Aug 2026 | Water |
| Deweys Mill | Green Mountain Power Corp | White River Jct., VT | ISO New England (ISNE) | 1.7 GWh | May 1989 | Dec 2025 | Water |
| Hollow Dam Power Partnership | Ampersand Hollow Dam Hydro LLC | Gouveneur, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Nov 1987 | Dec 2025 | Water |
| Sherman | Great River Hydro, LLC | Rowe, MA | ISO New England (ISNE) | 27.8 GWh | Nov 1926 | Dec 2025 | Water |
| Laurel Dam | USCE-Nashville District | London, KY | PJM Interconnection, LLC (PJM) | 88.8 GWh | Oct 1977 | Dec 2025 | Water |
| Harris Dam | Alabama Power Co | Lineville, AL | Southern Company Services, Inc. - Trans (SOCO) | 134.0 GWh | Mar 1983 | Dec 2025 | Water |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 4.6 GWh | May 1983 | Dec 2025 | Water |
| Libby | USACE Northwestern Division | Libby, MT | Bonneville Power Administration (BPAT) | 1.6 TWh | Jul 1975 | Dec 2025 | Water |
| Deerfield 3 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 26.5 GWh | Jul 1912 | Dec 2025 | Water |
| Lost Creek | USACE Northwestern Division | Trail, OR | PacifiCorp West (PACW) | 221.3 GWh | Aug 1977 | Dec 2025 | Water |
| Lower Granite | USACE Northwestern Division | Pomeroy, WA | Bonneville Power Administration (BPAT) | 1.5 TWh | Mar 1975 | Aug 2026 | Water |
| Brasfield | Appomattox River Associates LP | Petersburg, VA | PJM Interconnection, LLC (PJM) | 6.1 GWh | Aug 1993 | Dec 2025 | Water |
| Deerfield 2 | Great River Hydro, LLC | Conway, MA | ISO New England (ISNE) | 29.4 GWh | Jul 1913 | Dec 2025 | Water |
| Racine | Eagle Creek Renewable Energy, LLC | Racine, OH | PJM Interconnection, LLC (PJM) | 190.0 GWh | Aug 1982 | Dec 2025 | Water |
| Deerfield 4 | Great River Hydro, LLC | Buckland, MA | ISO New England (ISNE) | 21.5 GWh | Jul 1912 | Dec 2025 | Water |
| Birch Creek Power | Birch Power Co | Terreton, ID | PacifiCorp East (PACE) | 10.4 GWh | Mar 1986 | Dec 2025 | Water |
| Mine Falls Generating Station | City of Nashua - (NH) | Nashua, NH | ISO New England (ISNE) | 9.1 GWh | Nov 1985 | Dec 2025 | Water |
| Lucky Peak Power Plant Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 311.2 GWh | Sep 1988 | Dec 2025 | Water |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 32.1 GWh | Nov 1990 | Dec 2025 | Water |
| Fairfield Pumped Storage | Dominion Energy South Carolina, Inc | Jenkinsville, SC | Dominion Energy South Carolina, Inc. (SCEG) | 419.3 GWh | May 1978 | Aug 2026 | Water |
| Amistad Dam & Power | International Bound & Wtr Comm | Del Rio, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 39.2 GWh | May 1983 | Dec 2025 | Water |
| Jones Bluff | USCE-Mobile District | Selma, AL | Southern Company Services, Inc. - Trans (SOCO) | 250.8 GWh | May 1975 | Dec 2025 | Water |
| Hillsborough Hosiery | Silverstreet Hydro | Hillsboro, NH | ISO New England (ISNE) | 2.3 GWh | Nov 1989 | Dec 2025 | Water |
| Purple Lake | Metlakatla Power & Light | Metlakatla, AK | 13.9 GWh | Dec 1955 | Dec 2025 | Water | |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 4.8 GWh | Aug 1988 | Aug 2026 | Water |
| Little Mac Project | Little Mac Power Company | Buhl, ID | Idaho Power Company (IPCO) | 4.3 GWh | Apr 1984 | Dec 2025 | Water |
| West Point (GA) | USCE-Mobile District | West Point, GA | Southern Company Services, Inc. - Trans (SOCO) | 159.0 GWh | Mar 1975 | Dec 2025 | Water |
| Ozark Beach | Empire District Electric Co | Forsyth, MO | Southwest Power Pool (SWPP) | 40.3 GWh | May 1931 | Dec 2025 | Water |
| Richard B Russell | USCE-Savannah District | Elberton, GA | Southeastern Power Administration (SEPA) | 137.2 GWh | Dec 1984 | Aug 2026 | Water |
| Strontia Springs Hydro Plant | Denver City & County of - (CO) | Littleton, CO | Public Service Company of Colorado (PSCO) | 6.7 GWh | Jun 1986 | Dec 2025 | Water |
| Cooper Lake | Chugach Electric Assn Inc | Cooper Landing, AK | 52.5 GWh | Apr 1961 | Dec 2025 | Water | |
| Foothills Hydro Plant | Denver City & County-Foothills - (CO) | Littleton, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 6.7 GWh | Apr 1985 | Sep 2025 | Water |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.0 GWh | Sep 1985 | Dec 2025 | Water |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 22.7 GWh | Dec 1988 | Dec 2025 | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 6.7 GWh | Nov 1985 | Dec 2025 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 1.1 GWh | Sep 1989 | Dec 2025 | Water |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 3.5 GWh | Apr 1995 | Dec 2025 | Water |
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | Idaho Power Company (IPCO) | 6.7 GWh | Jul 1990 | Dec 2025 | Water |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.8 GWh | Mar 1986 | Dec 2025 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 14.3 GWh | Apr 1989 | Jul 2025 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 9.1 GWh | Dec 1923 | Aug 2026 | Water |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.1 GWh | Jul 1983 | Dec 2025 | Water |
| New Martinsville Hannibal Hydro | New Martinsville Hannibal Hydro | New Martinsville, WV | PJM Interconnection, LLC (PJM) | 194.6 GWh | Jun 1988 | Dec 2025 | Water |
| Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Dec 1919 | Dec 2025 | Water |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 82.5 GWh | Apr 1986 | Dec 2025 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 73.5 GWh | Mar 1985 | Dec 2025 | Water |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 7.7 GWh | Nov 1985 | Dec 2025 | Water |
| Twin Reservoirs | City of Walla Walla - (WA) | Walla Walla, WA | Bonneville Power Administration (BPAT) | 6.9 GWh | Mar 1988 | Dec 2025 | Water |
| Upriver Dam Hydro Plant | City of Spokane - (WA) | Spokane, WA | Avista Corporation (AVA) | 39.9 GWh | Dec 1935 | Dec 2025 | Water |
| East Portal Generator | Calleguas Mun Water District | Chatsworth, CA | California Independent System Operator (CISO) | 4.7 GWh | Dec 1986 | Dec 2025 | Water |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 21.1 GWh | May 1993 | Oct 2025 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 28.2 GWh | Jul 1985 | Oct 2025 | Water |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 6.6 GWh | Apr 1989 | Oct 2025 | Water |
| Newport Hydro | Eagle Creek Renewable Energy, LLC | Newport, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Nov 1987 | Dec 2025 | Water |
| French Paper Hydro | French Paper Co | Niles, MI | PJM Interconnection, LLC (PJM) | 1.2 GWh | Dec 1920 | Aug 2026 | Water |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.9 GWh | Feb 1990 | Dec 2025 | Water |
| Nacimiento Hydro Project | Monterey Cnty Water Res Agency | Bradley, CA | California Independent System Operator (CISO) | 11.8 GWh | Jun 1987 | Dec 2025 | Water |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 16.3 GWh | Nov 1987 | Dec 2025 | Water |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 58.2 GWh | Feb 1992 | Dec 2025 | Water |
| Black River Hydro Associates | Central Rivers Power US, LLC | Port Layden, NY | New York Independent System Operator (NYIS) | 16.5 GWh | Dec 1983 | Dec 2025 | Water |
| Gay Robinson | Gay & Robinson Inc | Kaumakani, HI | (NA) | 35.6 GWh | Feb 1982 | Dec 2025 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 3.8 GWh | Nov 1983 | Dec 2025 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2025 | Water |
| Pepperell Hydro Power Plant | Eagle Creek Renewable Energy, LLC | Pepperell, MA | ISO New England (ISNE) | 2.2 GWh | Dec 1919 | Aug 2026 | Water |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 1.8 GWh | Jan 1985 | Jun 2025 | Water |
| Chasm Hydro Partnership | Ampersand Chasm Hydro LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Feb 1982 | Nov 2025 | Water |
| Burney Creek | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 8.6 GWh | Feb 1990 | Dec 2025 | Water |
| Cove Hydroelectric | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 17.4 GWh | Jan 1990 | Dec 2025 | Water |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.9 GWh | Nov 1989 | Dec 2025 | Water |
| Roaring Creek Water Power | Shasta Hydroelectric Inc | Montgomery Creek, CA | California Independent System Operator (CISO) | 6.0 GWh | Nov 1986 | Dec 2025 | Water |
| Box Canyon Dam | Siskiyou Power Authority | Mount Shasta, CA | PacifiCorp West (PACW) | 22.5 GWh | May 1986 | Dec 2025 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 811.0 MWh | Dec 1914 | Dec 2025 | Water |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 1.8 GWh | Dec 1980 | Aug 2026 | Water |
| Union Falls | Union Falls Hydro Power LP | Au Sable Forks, NY | New York Independent System Operator (NYIS) | 9.6 GWh | Dec 1986 | Dec 2025 | Water |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 5.5 GWh | Dec 1985 | Dec 2025 | Water |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 6.6 GWh | Dec 1912 | Dec 2025 | Water |
| Bear Creek (CA) | Central Rivers Power US, LLC | Shingletown, CA | California Independent System Operator (CISO) | 6.5 GWh | Dec 1989 | Dec 2025 | Water |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 11.2 GWh | Sep 1983 | Aug 2025 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 2.8 GWh | Mar 1983 | Dec 2025 | Water |
| Kings Falls Hydroelectric | Silverstreet Hydro | Copenhagen, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Sep 1988 | Dec 2025 | Water |
| Normanskill Hydro Project | Watervliet, City of - (NY) | Guilderland, NY | New York Independent System Operator (NYIS) | 1.0 GWh | Mar 1983 | Oct 2025 | Water |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 2.6 GWh | Jun 1981 | Dec 2025 | Water |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 11.8 GWh | Feb 1987 | Dec 2025 | Water |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Dec 1983 | Dec 2025 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 21.8 GWh | Nov 1986 | Dec 2025 | Water |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 6.8 GWh | May 1986 | Dec 2025 | Water |
| Victory Mills | Central Rivers Power US, LLC | Victory Mills, NY | New York Independent System Operator (NYIS) | 2.7 GWh | Nov 1986 | Dec 2025 | Water |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 20.4 GWh | Jan 1999 | Jul 2026 | Water |
| International Paper Livermore Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 24.2 GWh | Dec 1909 | Dec 2025 | Water |
| International Paper Riley Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 19.7 GWh | Nov 1981 | Dec 2025 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 40.3 GWh | Dec 1984 | Aug 2026 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 10.6 GWh | Dec 1911 | Dec 2025 | Water |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 366.3 GWh | May 1936 | Dec 2025 | Water |
| International Paper Jay Hydro | Eagle Creek Renewable Energy, LLC | Jay, ME | ISO New England (ISNE) | 11.7 GWh | Dec 1911 | Dec 2025 | Water |
| Valley Falls Hydroelectric Facility | Albany Engineering Corporation | Valley Falls, NY | New York Independent System Operator (NYIS) | 5.6 GWh | Jul 1985 | Dec 2025 | Water |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 27.0 GWh | Apr 1989 | Nov 2025 | Water |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 2.5 GWh | Sep 1989 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |