Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Williams Fork Hydro Plant | Denver City & County of | Parshall, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 11.7 GWh | Jun 1959 | Dec 2024 | Water |
| Dillon Hydro Plant | Denver City & County of | Summit, CO | Public Service Company of Colorado (PSCO) | 12.1 GWh | Sep 1987 | 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 |
| Dayton Hydro | Eagle Creek Renewable Energy, LLC | Ottawa, IL | Midcontinent Independent System Operator, Inc. (MISO) | 15.6 GWh | Dec 1924 | 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 |
| Lower Village Water Power Project | Sugar River Power LLC | Claremont, NH | ISO New England (ISNE) | 3.9 GWh | Apr 1995 | Dec 2024 | Water |
| Milton Hydro | SFR Hydro Cor | Milton, NH | ISO New England (ISNE) | 5.6 GWh | Dec 1913 | 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 |
| Hewittville Hydroelectric | Erie Boulevard Hydropower LP | Norwood, NY | New York Independent System Operator (NYIS) | 13.8 GWh | Aug 1984 | Dec 2024 | Water |
| Redlands Water & Power | Redlands Water & Power Company | Grand Junction, CO | Public Service Company of Colorado (PSCO) | 7.3 GWh | Jul 1931 | Dec 2024 | Water |
| New Lahontan | Truckee-Carson Irrigation District | Fallon, NV | Nevada Power Company (NEVP) | 10.5 GWh | Mar 1989 | Oct 2024 | Water |
| Sheldon Springs Hydroelectric | Central Rivers Power US, LLC | Sheldon Springs, VT | ISO New England (ISNE) | 67.8 GWh | Jun 1988 | Dec 2024 | Water |
| Pembroke Hydro | Eagle Creek Renewable Energy, LLC | Suncook, NH | ISO New England (ISNE) | 7.4 GWh | Nov 1985 | 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 |
| Rumford Falls Hydro Facility | Brookfield Power New England | Rumford, ME | ISO New England (ISNE) | 260.5 GWh | Dec 1917 | 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 |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2024 | Water |
| Newfound Hydroelectric | Eagle Creek Renewable Energy, LLC | Bristol, NH | ISO New England (ISNE) | 4.1 GWh | Nov 1983 | Dec 2024 | Water |
| Upper Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 6.0 GWh | Dec 1984 | Dec 2024 | Water |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 7.8 GWh | May 1986 | Dec 2024 | Water |
| Gay Robinson | Gay & Robinson Inc | Kaumakani, HI | (NA) | 42.4 GWh | Feb 1982 | 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 |
| Rolfe Canal Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 17.3 GWh | Nov 1987 | Dec 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 |
| Penacook Lower Falls | Briar-Hydro Associates | Boscawen, NH | ISO New England (ISNE) | 16.6 GWh | Jul 1983 | 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 |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 5.3 GWh | Apr 1989 | Oct 2024 | Water |
| Owyhee Dam Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 27.6 GWh | Jul 1985 | Oct 2024 | Water |
| Tunnel 1 Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 22.4 GWh | May 1993 | Oct 2024 | Water |
| International Falls Power | Boise White Paper LLC | International Falls, MN | Midcontinent Independent System Operator, Inc. (MISO) | 48.3 GWh | Dec 1923 | Nov 2025 | Water |
| Sartell Dam | Eagle Creek Renewable Energy, LLC | Sartell, MN | Midcontinent Independent System Operator, Inc. (MISO) | 29.1 GWh | Feb 1985 | Dec 2024 | Water |
| Benton Falls Associates | Essex Hydro Associates LLC | Benton, ME | ISO New England (ISNE) | 4.3 GWh | Nov 1987 | Dec 2024 | Water |
| East Portal Generator | Calleguas Mun Water District | Chatsworth, CA | California Independent System Operator (CISO) | 3.9 GWh | Dec 1986 | Dec 2024 | Water |
| Upriver Dam Hydro Plant | City of Spokane | Spokane, WA | Avista Corporation (AVA) | 48.4 GWh | Dec 1935 | 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 |
| Box Canyon Dam | Siskiyou Power Authority | Mount Shasta, CA | PacifiCorp West (PACW) | 22.6 GWh | May 1986 | Dec 2024 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 1914 | Dec 2024 | Water |
| Kalaheo Hydro | BBCP Kauai Operating LLC | Kalaheo, HI | 2.3 GWh | Dec 1927 | Dec 2024 | Water | |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 2.0 GWh | Dec 1980 | Nov 2025 | 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 |
| Glen Park Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 142.5 GWh | Sep 1999 | Dec 2024 | Water |
| Stillwater Reservoir Hydro | Northern Power & Light | Webb, NY | New York Independent System Operator (NYIS) | 5.8 GWh | Dec 1986 | Dec 2023 | Water |
| Fort Miller Hydroelectric Facility | Fort Miller Associates | Northumberland, NY | New York Independent System Operator (NYIS) | 14.8 GWh | Nov 1984 | Dec 2024 | Water |
| Boott Hydropower | Boott Hydro, LLC - Hybrid | Lowell, MA | ISO New England (ISNE) | 27.5 GWh | Sep 1985 | Dec 2024 | Water |
| Wainiha Hydro | BBCP Kauai Operating LLC | Hanalei, HI | 19.4 GWh | Dec 1905 | Nov 2025 | Water | |
| Brassua Hydroelectric Project | Brassua Hydroelectric LP | Rockwood, ME | ISO New England (ISNE) | 10.4 GWh | Aug 1989 | Dec 2024 | Water |
| Bear Creek (CA) | Central Rivers Power US, LLC | Shingletown, CA | California Independent System Operator (CISO) | 7.4 GWh | Dec 1989 | Dec 2024 | Water |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 10.6 GWh | Aug 1986 | 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 |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Dec 1985 | Dec 2024 | Water |
| High Shoals Hydro (NC) | Central Rivers Power US, LLC | High Shoals, NC | Duke Energy Carolinas (DUK) | 3.3 GWh | Jun 1934 | Nov 2025 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.3 GWh | Jun 1984 | 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 |
| Diamond Island Plant | Central Rivers Power US, LLC | Watertown, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Dec 1913 | Dec 2024 | Water |
| Chateaugay High Falls Hydro | Hydroland Omega LLC | Chateaugay, NY | New York Independent System Operator (NYIS) | 2.8 GWh | Nov 1988 | Dec 2023 | 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 |
| Errol Hydroelectric Project | Errol Hydroelectric Co LLC | Errol, NH | ISO New England (ISNE) | 15.3 GWh | Oct 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 |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | 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 |
| Copper Dam Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 16.4 GWh | Dec 1985 | Dec 2024 | Water |
| Peters Drive Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 7.3 GWh | Oct 1987 | 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 |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 11.0 GWh | Nov 1986 | Dec 2024 | Water |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | 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 |
| Tiber Dam Hydroelectric Plant | Tiber Montana LLC | Chester, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 36.1 GWh | May 2004 | Dec 2024 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 398.2 GWh | Dec 1984 | Oct 2024 | Water |
| Eltopia Branch Canal 4.6 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 8.0 GWh | Apr 1983 | Oct 2024 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 4.8 GWh | Feb 1985 | Oct 2024 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 103.3 GWh | Dec 1986 | Oct 2024 | Water |
| Lyons Falls Hydroelectric | Northbrook Lyons Falls LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 28.1 GWh | Nov 1923 | Dec 2024 | Water |
| Gouldtown | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 1.9 GWh | Jul 1953 | Dec 2024 | Water |
| Kosterville | Northbrook Lyons Falls LLC | Lyonsdale, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Apr 1955 | Dec 2024 | Water |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 13.4 GWh | Aug 1982 | Sep 2024 | Water |
| Kasidaya Creek Hydro | Alaska Power and Telephone Co | Skagway, AK | 10.7 GWh | Sep 2008 | Dec 2024 | Water | |
| Boulder City Silver Lake Hydro | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 9.3 GWh | Apr 2000 | Dec 2024 | Water |
| Springville Hydroelectric | Calleguas Mun Water District | Camarillo, CA | California Independent System Operator (CISO) | 98.0 MWh | Feb 1994 | Dec 2024 | Water |
| Gauley River Power Partners | Central Rivers Power WV, LLC | Summersville, WV | PJM Interconnection, LLC (PJM) | 143.7 GWh | Jun 2001 | Dec 2024 | Water |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 7.9 GWh | Apr 2014 | Nov 2025 | Water |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 6.4 GWh | Mar 1990 | Dec 2024 | Water |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 445.6 GWh | Dec 2015 | Dec 2024 | Water |
| Arrowrock Hydroelectric Project | Boise-Kuna Irrigation District | Boise, ID | Idaho Power Company (IPCO) | 73.0 GWh | Mar 2010 | Dec 2024 | Water |
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 4.8 GWh | Nov 2005 | Dec 2024 | Water | |
| Brookfield Power Glen Falls Hydro | Erie Boulevard Hydropower LP | Glen Falls, NY | New York Independent System Operator (NYIS) | 48.5 GWh | Dec 1943 | Dec 2024 | Water |
| Mora Drop Hydroelectric Project | Boise-Kuna Irrigation District | Kuna, ID | Idaho Power Company (IPCO) | 4.3 GWh | May 2006 | Oct 2024 | Water |
| Monroe (NE) | Loup River Public Power Dist | Monroe, NE | Southwest Power Pool (SWPP) | 25.4 GWh | Dec 1935 | Dec 2024 | Water |
| Weybridge | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 14.1 GWh | Jan 1951 | Dec 2024 | Water |
| Kearney | Nebraska Public Power District | Kearney, NE | Southwest Power Pool (SWPP) | 416.0 MWh | Dec 1920 | Sep 2024 | Water |
| Reusens | Eagle Creek Renewable Energy, LLC | Lynchburg, VA | PJM Interconnection, LLC (PJM) | 18.5 GWh | Dec 1902 | Dec 2024 | Water |
| Niagara | Appalachian Power Co | Vinton, VA | PJM Interconnection, LLC (PJM) | 7.6 GWh | May 1954 | Dec 2024 | Water |
| North Platte | Nebraska Public Power District | North Platte, NE | Southwest Power Pool (SWPP) | 65.4 GWh | Dec 1934 | Dec 2024 | Water |
| Harriman | Great River Hydro, LLC | Whitingham, VT | ISO New England (ISNE) | 91.5 GWh | Apr 1924 | Dec 2024 | Water |
| Leesville | Appalachian Power Co | Hurt, VA | PJM Interconnection, LLC (PJM) | 48.4 GWh | Jan 1964 | Dec 2024 | Water |
| Canaan | Central Rivers Power NH, LLC | Canaan, VT | ISO New England (ISNE) | 6.5 GWh | Jul 1927 | Dec 2024 | Water |
| Claytor | Appalachian Power Co | Radford, VA | PJM Interconnection, LLC (PJM) | 220.4 GWh | Jul 1939 | Dec 2024 | Water |
| Byllesby 2 | Appalachian Power Co | Ivanhoe, VA | PJM Interconnection, LLC (PJM) | 22.8 GWh | Dec 1911 | Sep 2024 | Water |
| Buck Hydro | Appalachian Power Co | Ivanhoe, VA | PJM Interconnection, LLC (PJM) | 31.6 GWh | Dec 1911 | Sep 2024 | Water |
Summary of Power Plants By State
Figures are based on November 2025 generation numbers.| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,511.20 GWh |
| Alaska | # 48 | 144 | 528.08 GWh |
| Arizona | # 13 | 184 | 8,245.57 GWh |
| Arkansas | # 24 | 116 | 5,216.59 GWh |
| California | # 4 | 1,736 | 15,288.71 GWh |
| Colorado | # 29 | 302 | 4,252.83 GWh |
| Connecticut | # 34 | 166 | 3,697.17 GWh |
| Delaware | # 49 | 33 | 425.33 GWh |
| District of Columbia | # 51 | 16 | 14.43 GWh |
| Florida | # 2 | 323 | 18,667.27 GWh |
| Georgia | # 8 | 262 | 11,183.00 GWh |
| Hawaii | # 47 | 73 | 801.36 GWh |
| Idaho | # 43 | 146 | 1,663.41 GWh |
| Illinois | # 5 | 384 | 14,942.91 GWh |
| Indiana | # 15 | 211 | 7,722.21 GWh |
| Iowa | # 19 | 293 | 6,283.14 GWh |
| Kansas | # 32 | 187 | 4,136.03 GWh |
| Kentucky | # 21 | 60 | 5,370.35 GWh |
| Louisiana | # 12 | 86 | 8,259.66 GWh |
| Maine | # 45 | 216 | 1,300.62 GWh |
| Maryland | # 40 | 203 | 2,568.19 GWh |
| Massachusetts | # 41 | 648 | 1,975.71 GWh |
| Michigan | # 9 | 273 | 10,785.64 GWh |
| Minnesota | # 28 | 765 | 4,723.22 GWh |
| Mississippi | # 23 | 57 | 5,274.88 GWh |
| Missouri | # 22 | 128 | 5,368.91 GWh |
| State | Rank | Active Plants | Nov 2025 Generation |
|---|---|---|---|
| Montana | # 39 | 71 | 2,609.34 GWh |
| Nebraska | # 35 | 129 | 3,447.15 GWh |
| Nevada | # 38 | 114 | 3,066.88 GWh |
| New Hampshire | # 44 | 60 | 1,466.90 GWh |
| New Jersey | # 27 | 393 | 4,952.95 GWh |
| New Mexico | # 36 | 144 | 3,313.38 GWh |
| New York | # 10 | 956 | 10,414.21 GWh |
| North Carolina | # 11 | 909 | 9,927.17 GWh |
| North Dakota | # 33 | 61 | 3,714.56 GWh |
| Ohio | # 6 | 198 | 11,688.48 GWh |
| Oklahoma | # 18 | 143 | 6,525.64 GWh |
| Oregon | # 20 | 275 | 5,407.05 GWh |
| Pennsylvania | # 3 | 256 | 17,277.29 GWh |
| Rhode Island | # 46 | 100 | 833.56 GWh |
| South Carolina | # 16 | 208 | 7,560.03 GWh |
| South Dakota | # 42 | 52 | 1,785.37 GWh |
| Tennessee | # 26 | 88 | 5,030.87 GWh |
| Texas | # 1 | 955 | 43,514.30 GWh |
| Utah | # 37 | 125 | 3,174.08 GWh |
| Vermont | # 50 | 117 | 164.43 GWh |
| Virginia | # 17 | 239 | 7,087.47 GWh |
| Washington | # 14 | 137 | 7,966.23 GWh |
| West Virginia | # 31 | 39 | 4,211.99 GWh |
| Wisconsin | # 25 | 250 | 5,195.24 GWh |
| Wyoming | # 30 | 71 | 4,237.64 GWh |