Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Millers Ferry | USCE-Mobile District | Camden, AL | Southern Company Services, Inc. - Trans (SOCO) | 272.7 GWh | Mar 1970 | Dec 2024 | Water |
| Ralston | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 328.1 GWh | Sep 1966 | Dec 2024 | Water |
| Edward C Hyatt | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 1.9 TWh | Feb 1968 | Sep 2025 | Water |
| Rollins | Nevada Irrigation District | Colfax, CA | California Independent System Operator (CISO) | 38.6 GWh | Jul 1980 | Dec 2024 | Water |
| Swan Lake | Southeast Alaska Power Agency | Ketchikan, AK | (NA) | 75.5 GWh | May 1984 | Dec 2024 | Water |
| Thermalito | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 308.5 GWh | Jan 1968 | Sep 2025 | Water |
| Point A | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 14.9 GWh | Dec 1924 | Dec 2024 | Water |
| Robbs Peak | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 37.0 GWh | Sep 1965 | Sep 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 |
| 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 |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.6 GWh | May 1985 | Sep 2025 | Water |
| Center Falls | Hollingworth & Vose Co Center Falls | Greenwich, NY | New York Independent System Operator (NYIS) | 3.6 GWh | Dec 1983 | Nov 2024 | Water |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Emporia | Emporia Hydro Power LP | Emporia, VA | PJM Interconnection, LLC (PJM) | 6.8 GWh | Dec 1985 | Dec 2024 | Water |
| Walden | Hydroland Omega LLC | Walden, NY | New York Independent System Operator (NYIS) | 840.0 MWh | Mar 1986 | Dec 2023 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.7 GWh | May 1990 | Oct 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 |
| Blackstone/Tupperware | Blackstone Hydro Inc. | North Smithfield, RI | ISO New England (ISNE) | 1.8 GWh | Dec 1980 | Sep 2025 | Water |
| Halifax (VA) | Banister Hydro LP | Halifax, VA | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 1914 | 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 |
| Box Canyon Dam | Siskiyou Power Authority | Mount Shasta, CA | PacifiCorp West (PACW) | 22.6 GWh | May 1986 | Dec 2024 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 2024 | Water |
| Clifton Dam 3 Power Station | Converse Energy Inc | Converse, SC | Duke Energy Carolinas (DUK) | 3.7 GWh | Jul 1985 | Dec 2024 | Water |
| Galesville Project | Douglas County | Azalea, OR | PacifiCorp West (PACW) | 2.6 GWh | Jan 1987 | 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 |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Nov 1917 | Sep 2025 | 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 |
| Vallecito Hydroelectric | Ptarmigan Res & Engy Inc | Bayfield, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 19.1 GWh | Apr 1989 | Dec 2024 | Water |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | 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 |
| Roaring Creek Water Power | Shasta Hydroelectric Inc | Montgomery Creek, CA | California Independent System Operator (CISO) | 7.0 GWh | Nov 1986 | Dec 2024 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 1986 | 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) | 10.1 GWh | Jan 1999 | Sep 2025 | Water |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 18.6 GWh | Nov 1988 | Dec 2024 | Water |
| Little Falls Hydro | Eagle Creek Renewable Energy, LLC | Little Falls, NY | New York Independent System Operator (NYIS) | 51.0 GWh | Dec 1986 | 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 |
| Hawks Nest Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 433.8 GWh | May 1936 | Dec 2024 | Water |
| Kings Falls Hydroelectric | Silverstreet Hydro | Copenhagen, NY | New York Independent System Operator (NYIS) | 2.0 GWh | Sep 1988 | Dec 2024 | Water |
| Aziscohos Hydroelectric Project | Brookfield White Pine Hydro LLC | Wilson Mills, ME | ISO New England (ISNE) | 36.3 GWh | May 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 |
| New Martinsville Hannibal Hydro | New Martinsville Hannibal Hydro | New Martinsville, WV | PJM Interconnection, LLC (PJM) | 117.6 GWh | Jun 1988 | Dec 2024 | Water |
| Ottauquechee Hydro | Green Mountain Power Corp | N. Hartland, VT | ISO New England (ISNE) | 978.0 MWh | Mar 1983 | 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 |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 10.6 GWh | Aug 1983 | Dec 2024 | Water |
| Siphon Power Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 15.6 GWh | Jul 1989 | Dec 2024 | Water |
| Otis Hydro | Eagle Creek Renewable Energy, LLC | Livermore Falls, ME | ISO New England (ISNE) | 27.7 GWh | Dec 1984 | Sep 2025 | 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 |
| Sheep Creek Hydro | Sheep Creek Hydro Inc | Northport, WA | Avista Corporation (AVA) | 7.8 GWh | May 1986 | 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 |
| Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
| China Mill Hydro | New Hampshire Hydro Associates | Allenstown, NH | ISO New England (ISNE) | 2.8 GWh | Jun 1981 | Dec 2024 | Water |
| Yough Hydro Power | D/R Hydro Co | Confluence, PA | PJM Interconnection, LLC (PJM) | 36.9 GWh | Nov 1989 | Dec 2024 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Normanskill Hydro Project | Watervliet City of | Guilderland, NY | New York Independent System Operator (NYIS) | 2.3 GWh | Mar 1983 | Dec 2024 | Water |
| Ada Dam | Eagle Creek Renewable Energy, LLC | Ada, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Feb 1984 | 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 |
| 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 |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 62.9 GWh | Nov 1989 | Dec 2024 | Water |
| S D Warren Westbrook | Relevate Power Management LLC | Westbrook, ME | ISO New England (ISNE) | 32.7 GWh | Dec 1902 | Dec 2023 | Water |
| Oconto Falls Lower | Eagle Creek Renewable Energy, LLC | Oconto Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | Dec 1970 | Dec 2024 | Water |
| French Landing Dam | Eagle Creek Renewable Energy, LLC | Belleville, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.5 GWh | Nov 1988 | Dec 2024 | Water |
| Cascade Dam (MI) | Eagle Creek Renewable Energy, LLC | Grand Rapids, MI | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Nov 1986 | Dec 2024 | Water |
| Sugarloaf Hydro Plant | Eagle Creek Renewable Energy, LLC | Leadville, CO | Public Service Company of Colorado (PSCO) | 1.2 GWh | Oct 1985 | Dec 2024 | Water |
| Fort Miller Hydroelectric Facility | Fort Miller Associates | Northumberland, NY | New York Independent System Operator (NYIS) | 14.8 GWh | Nov 1984 | Dec 2024 | Water |
| Cowiche | Yakima-Tieton Irrigation Dist | Tieton, WA | PacifiCorp West (PACW) | 2.7 GWh | Feb 1987 | Oct 2024 | Water |
| Orchard Avenue 1 | Yakima-Tieton Irrigation Dist | Yakima, WA | PacifiCorp West (PACW) | 2.5 GWh | Feb 1987 | Sep 2024 | Water |
| Penacook Upper Falls Hydro | Briar-Hydro Associates | Penacook, NH | ISO New England (ISNE) | 11.6 GWh | Nov 1986 | Dec 2024 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.8 GWh | Dec 1923 | Sep 2025 | Water |
| Park Mill | Eagle Creek Renewable Energy, LLC | Marinette, WI | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Dec 1919 | Dec 2024 | Water |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 85.5 GWh | Apr 1986 | Dec 2024 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 59.8 GWh | Mar 1985 | Dec 2024 | Water |
| Gregg Falls | Eagle Creek Renewable Energy, LLC | Goffstown, NH | ISO New England (ISNE) | 8.9 GWh | Nov 1985 | Dec 2024 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 3.5 GWh | Aug 1986 | Oct 2024 | Water |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
| Lyonsdale Associates | Eagle Creek Renewable Energy, LLC | Lyons Falls, NY | New York Independent System Operator (NYIS) | 11.0 GWh | Jun 1984 | Dec 2024 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 3.2 GWh | Feb 1987 | Dec 2024 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.4 GWh | Apr 1986 | Dec 2024 | Water |
| Brainerd Public Utilities | Brainerd Public Utilities | Brainerd, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.9 GWh | Dec 1916 | Dec 2023 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 22.9 GWh | Sep 1988 | Dec 2024 | Water |
| Twin Reservoirs | Walla Walla City of | Walla Walla, WA | Bonneville Power Administration (BPAT) | 7.3 GWh | Mar 1988 | Dec 2024 | Water |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 61.9 GWh | Nov 1986 | Dec 2024 | Water |
| New Hogan Power Plant | Modesto Irrigation District | Valley Springs, CA | California Independent System Operator (CISO) | 8.8 GWh | Mar 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 |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 48.6 GWh | Oct 1987 | Dec 2024 | Water |
| West End Dam Hydroelectric Project | Relevate Power Management LLC | Carthage, NY | New York Independent System Operator (NYIS) | 22.8 GWh | Sep 1985 | Dec 2023 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.3 GWh | Jun 1984 | Dec 2024 | Water |
| New Lahontan | Truckee-Carson Irrigation District | Fallon, NV | Nevada Power Company (NEVP) | 10.5 GWh | Mar 1989 | Oct 2024 | Water |
| Allegheny No 6 Hydro Station | Eagle Creek Renewable Energy, LLC | Ford City, PA | PJM Interconnection, LLC (PJM) | 31.7 GWh | Oct 1988 | 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 |
| Dahowa Hydro | GR Catalyst Two LLC | Greenwich, NY | New York Independent System Operator (NYIS) | 27.4 GWh | Nov 1987 | 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 |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 27.2 GWh | Feb 1987 | Oct 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 |
Summary of Power Plants By State
Figures are based on September 2025 generation numbers.| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,052.47 GWh |
| Alaska | # 48 | 147 | 527.57 GWh |
| Arizona | # 9 | 183 | 11,602.92 GWh |
| Arkansas | # 21 | 117 | 5,844.09 GWh |
| California | # 4 | 1,769 | 19,371.91 GWh |
| Colorado | # 30 | 304 | 4,433.17 GWh |
| Connecticut | # 32 | 168 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 323 | 24,446.09 GWh |
| Georgia | # 8 | 266 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 148 | 1,495.33 GWh |
| Illinois | # 5 | 385 | 14,642.93 GWh |
| Indiana | # 14 | 213 | 8,730.35 GWh |
| Iowa | # 26 | 295 | 5,224.35 GWh |
| Kansas | # 25 | 189 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 87 | 9,343.34 GWh |
| Maine | # 45 | 217 | 1,135.36 GWh |
| Maryland | # 39 | 204 | 2,935.42 GWh |
| Massachusetts | # 41 | 652 | 1,746.92 GWh |
| Michigan | # 11 | 279 | 10,468.02 GWh |
| Minnesota | # 29 | 769 | 4,717.95 GWh |
| Mississippi | # 20 | 58 | 6,625.37 GWh |
| Missouri | # 22 | 128 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 1,949.24 GWh |
| Nebraska | # 34 | 132 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 399 | 4,969.45 GWh |
| New Mexico | # 36 | 145 | 3,317.84 GWh |
| New York | # 12 | 966 | 10,145.62 GWh |
| North Carolina | # 10 | 917 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 201 | 12,818.31 GWh |
| Oklahoma | # 17 | 143 | 7,364.05 GWh |
| Oregon | # 28 | 282 | 4,812.51 GWh |
| Pennsylvania | # 3 | 260 | 19,731.43 GWh |
| Rhode Island | # 46 | 100 | 863.62 GWh |
| South Carolina | # 16 | 207 | 7,861.23 GWh |
| South Dakota | # 43 | 52 | 1,535.17 GWh |
| Tennessee | # 19 | 88 | 6,829.06 GWh |
| Texas | # 1 | 946 | 51,969.48 GWh |
| Utah | # 35 | 126 | 3,419.48 GWh |
| Vermont | # 50 | 120 | 165.14 GWh |
| Virginia | # 15 | 241 | 8,580.52 GWh |
| Washington | # 18 | 138 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 251 | 5,674.74 GWh |
| Wyoming | # 33 | 73 | 3,641.70 GWh |