Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Boulder City Lakewood Hydro | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.6 GWh | Jan 2004 | Dec 2024 | Water |
| Wailuku River Hydroelectric | Wailuku Holding Company LLC | Hilo, HI | 19.3 GWh | Apr 1993 | Feb 2026 | Water | |
| Cheoah | Brookfield Smoky Mountain Hydropower LP | Tapoco, NC | Tennessee Valley Authority (TVA) | 484.9 GWh | Aug 1949 | Dec 2024 | Water |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 80.4 GWh | Jul 1994 | Dec 2024 | Water |
| Calderwood | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 549.2 GWh | Mar 1930 | Dec 2024 | Water |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 1.4 GWh | Oct 1984 | Dec 2024 | Water |
| Taylor Draw Hydroelectric Facility | Rio Blanco Water Conserv Dist | Rangely, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 7.8 GWh | Mar 1993 | Dec 2024 | Water |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 60.5 GWh | May 1982 | Dec 2024 | Water |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1979 | Dec 2024 | Water |
| Chilhowee | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 159.1 GWh | Jul 1957 | Dec 2024 | Water |
| Thundermist Hydro | City of Woonsocket | Providence, RI | ISO New England (ISNE) | 90.0 MWh | May 1981 | Dec 2024 | Water |
| Boulder City Betasso Hydro Plant | Boulder City of | Boulder, CO | Public Service Company of Colorado (PSCO) | 8.6 GWh | Nov 1987 | Dec 2024 | Water |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | Idaho Power Company (IPCO) | 24.2 GWh | Mar 1993 | Oct 2024 | Water |
| Graniteville Enterprise Division | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.0 GWh | Dec 1920 | Feb 2026 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | Dec 2024 | Water |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 4.4 GWh | Mar 1992 | Oct 2024 | Water |
| Dunn Paper | BiOrigin Specialty Products | Gouverneur, NY | New York Independent System Operator (NYIS) | 6.7 GWh | Dec 1958 | Dec 2024 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 42.0 GWh | Mar 1995 | Dec 2024 | 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 |
| Narrows (NC) | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 487.5 GWh | Jun 1917 | Dec 2024 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 2.3 GWh | Sep 1986 | Dec 2024 | Water |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 21.6 GWh | Oct 1989 | Dec 2024 | Water |
| Collierville Powerhouse | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 375.4 GWh | Oct 1989 | Feb 2026 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 3.5 GWh | Nov 1984 | Dec 2024 | Water |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 10.1 GWh | Nov 1987 | Dec 2024 | Water |
| Wappinger Falls Hydroelectric | Windsor Machinery Co Inc | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 7.6 GWh | Nov 1988 | Dec 2024 | Water |
| Phoenix Hydro Project | Eagle Creek Renewable Energy, LLC | Phoenix, NY | New York Independent System Operator (NYIS) | 9.1 GWh | Dec 1990 | Dec 2024 | Water |
| Curtis Palmer Hydroelectric | Palmer Hydroelectric | Corinth, NY | New York Independent System Operator (NYIS) | 326.5 GWh | Sep 1985 | Dec 2024 | Water |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 9.7 GWh | Jan 1994 | Nov 2024 | Water |
| Falls Hydro | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 126.5 GWh | Aug 1919 | Dec 2024 | Water |
| Stillwater Hydro Electric Project | GR Catalyst One, LLC | Stillwater, NY | New York Independent System Operator (NYIS) | 10.9 GWh | Mar 1993 | Dec 2024 | Water |
| Anson Abenaki Hydros | Eagle Creek Renewable Energy, LLC | Madison, ME | ISO New England (ISNE) | 116.3 GWh | Dec 1949 | Dec 2024 | Water |
| Siphon Power Project | Central Oregon Irrigation Dist | Bend, OR | PacifiCorp West (PACW) | 15.6 GWh | Jul 1989 | Dec 2024 | Water |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Rock Creek I | Shorock Hydro Inc | Twin Falls, ID | Idaho Power Company (IPCO) | 10.6 GWh | Aug 1983 | Dec 2024 | Water |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 10.6 GWh | Aug 1986 | 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 |
| Slate Creek | Central Rivers Power US, LLC | Lakehead, CA | PacifiCorp West (PACW) | 7.3 GWh | Apr 1990 | Dec 2024 | Water |
| Galesville Project | Douglas County | Azalea, OR | PacifiCorp West (PACW) | 2.6 GWh | Jan 1987 | 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 |
| Mink Creek Hydro | Mink Creek Hydro Entity | Preston, ID | PacifiCorp East (PACE) | 11.0 GWh | Nov 1986 | 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 |
| West Delaware Tunnel Plant | Erie Boulevard Hydropower LP | Grahamsville, NY | New York Independent System Operator (NYIS) | 18.6 GWh | Nov 1988 | 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 |
| Huntington Falls | Green Mountain Power Corp | Weybridge, VT | ISO New England (ISNE) | 22.9 GWh | Sep 1988 | Dec 2024 | Water |
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | California Independent System Operator (CISO) | 8.3 GWh | Dec 1986 | Feb 2026 | Water |
| Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 11.3 GWh | Dec 1923 | Feb 2026 | Water |
| Great Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Paterson, NJ | PJM Interconnection, LLC (PJM) | 6.3 GWh | Nov 1985 | Oct 2025 | Water |
| Somersworth Lower Great Dam | Green Mountain Power Corp | Somersworth, NH | ISO New England (ISNE) | 3.3 GWh | Jun 1985 | Jun 2024 | Water |
| GeoBon II | Koosh, Inc. | Shoshone, ID | Idaho Power Company (IPCO) | 3.5 GWh | Aug 1986 | Oct 2024 | Water |
| Salmon Falls | Green Mountain Power Corp | South Berwick, ME | ISO New England (ISNE) | 2.6 GWh | Jun 1986 | Dec 2024 | Water |
| Ogdensburg | Ampersand Ogdensburg Hydro, LLC | Ogdensburg, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Nov 1987 | Dec 2023 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.4 GWh | Apr 1986 | Dec 2024 | Water |
| Boltonville Hydro Associates | Boltonville Hydro Associates | Boltonville, VT | ISO New England (ISNE) | 3.3 GWh | Jun 1984 | 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 |
| Quail Creek Hydro Plant #1 | Washington Cnty Wtr Consv Dist | Hurricane, UT | PacifiCorp East (PACE) | 8.6 GWh | May 1985 | Jan 2026 | Water |
| Fort Miller Hydroelectric Facility | Fort Miller Associates | Northumberland, NY | New York Independent System Operator (NYIS) | 14.8 GWh | Nov 1984 | Dec 2024 | Water |
| Yough Hydro Power | D/R Hydro Co | Confluence, PA | PJM Interconnection, LLC (PJM) | 36.9 GWh | Nov 1989 | Dec 2024 | Water |
| Moretown Generating Station | Moretown Hydroelectric LLC | Moretown, VT | ISO New England (ISNE) | 2.6 GWh | Dec 1988 | Dec 2023 | Water |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 3.8 GWh | Aug 1988 | Feb 2026 | Water |
| Mine Falls Generating Station | City of Nashua, NH | Nashua, NH | ISO New England (ISNE) | 12.7 GWh | Nov 1985 | 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 |
| Peters Drive Plant | Farmer's Irrigation District | Hood River, OR | PacifiCorp West (PACW) | 7.3 GWh | Oct 1987 | Dec 2024 | Water |
| South Forks Hydro | South Forks Joint Venture | Hansen, ID | Idaho Power Company (IPCO) | 26.0 GWh | Nov 1984 | Oct 2024 | Water |
| Allegheny No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Schenley, PA | PJM Interconnection, LLC (PJM) | 33.5 GWh | Sep 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 |
| Warrensburg Hydroelectric | Boralex Hydro Operations Inc | Warrensburg, NY | New York Independent System Operator (NYIS) | 10.7 GWh | Nov 1988 | Dec 2024 | Water |
| Middle Falls Hydro | Boralex Hydro Operations Inc | Middle Falls, NY | New York Independent System Operator (NYIS) | 10.1 GWh | Aug 1989 | 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 |
| Pejepscot Hydroelectric Project | Topsham Hydro Partners | Topsham, ME | ISO New England (ISNE) | 48.6 GWh | Oct 1987 | 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 |
| Sissonville Hydro | Boralex Hydro Operations Inc | Potsdam, NY | New York Independent System Operator (NYIS) | 15.7 GWh | Jun 1990 | Dec 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 |
| Twin Falls Hydro | Central Rivers Power US, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 62.9 GWh | Nov 1989 | Dec 2024 | Water |
| New York State Dam Hydro | Boralex Hydro Operations Inc | Waterford, NY | New York Independent System Operator (NYIS) | 42.0 GWh | Oct 1990 | Dec 2024 | Water |
| Tulare Success Power Project | Lower Tule River Irrgtn Dist | Porterville, CA | California Independent System Operator (CISO) | 1.6 GWh | Nov 1989 | Sep 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 |
| Cornell Hydro | Cornell Hydro | Ithaca, NY | New York Independent System Operator (NYIS) | 2.2 GWh | Nov 1981 | Feb 2026 | Water |
| Diana Hydroelectric | EONY Generation Limited | Harrisville, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Jun 1985 | Dec 2024 | Water |
| Dolgeville Hydro | EONY Generation Limited | Dolgeville, NY | New York Independent System Operator (NYIS) | 11.6 GWh | Jun 1985 | 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 |
| Haw River Hydro | Haw River Hydro Co | Saxapahaw, NC | Duke Energy Carolinas (DUK) | 4.1 GWh | Aug 1981 | Dec 2024 | Water |
| Clement Dam Hydro LLC | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 8.9 GWh | Nov 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 |
| Moose River | EONY Generation Limited | Lyons Falls, NY | New York Independent System Operator (NYIS) | 44.6 GWh | Oct 1987 | Dec 2024 | Water |
| Rhinelander Mill | Ahlstrom-Munksjo | Rhinelander, WI | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Nov 1917 | Feb 2026 | Water |
| Gardiner | KEI (Maine) Power Management (III) LLC | Gardiner, ME | ISO New England (ISNE) | 4.3 GWh | Jun 1985 | Dec 2024 | Water |
| Pontook Hydro Facility | Pontook Operating LP | Dummer, NH | ISO New England (ISNE) | 61.9 GWh | Nov 1986 | 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 |
| Townsend Hydro | Beaver Falls Municipal Auth | New Brighton, PA | PJM Interconnection, LLC (PJM) | 16.0 GWh | Sep 1987 | Dec 2024 | Water |
| Kansas River Project | Bowersock Mills & Power Co | Lawrence, KS | Southwest Power Pool (SWPP) | 24.2 GWh | Dec 1919 | Feb 2026 | Water |
| West Enfield Hydro | Brookfield Black Bear Hydro, LLC | West Enfield, ME | ISO New England (ISNE) | 77.5 GWh | Mar 1988 | Dec 2024 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.1 GWh | Feb 1986 | Dec 2024 | Water |
| Haypress | EIF Haypress LLC | Sierra City, CA | California Independent System Operator (CISO) | 17.6 GWh | Nov 1988 | Jun 2024 | Water |
| Allegheny Hydro No 9 | Allegheny Hydro LP | Cowansville, PA | PJM Interconnection, LLC (PJM) | 88.2 GWh | Nov 1990 | Dec 2024 | Water |
| Allegheny Hydro No 8 | Allegheny Hydro LP | Adrian, PA | PJM Interconnection, LLC (PJM) | 70.6 GWh | Nov 1990 | Dec 2024 | Water |
| S E Hazelton A | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 24.7 GWh | May 1990 | Oct 2024 | Water |
| Bypass | North Side Energy Company | Hazelton, ID | Idaho Power Company (IPCO) | 27.2 GWh | Feb 1987 | Oct 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 |
| International Paper Woronoco Mill | Eagle Creek Renewable Energy, LLC | Woronoco, MA | ISO New England (ISNE) | 5.4 GWh | Dec 1912 | Dec 2024 | Water |
Summary of Power Plants By State
Figures are based on February 2026 generation numbers.| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 77 | 10,522.92 GWh |
| Alaska | # 48 | 139 | 547.09 GWh |
| Arizona | # 16 | 185 | 7,875.02 GWh |
| Arkansas | # 25 | 114 | 5,134.19 GWh |
| California | # 5 | 1,679 | 13,090.02 GWh |
| Colorado | # 31 | 296 | 4,129.24 GWh |
| Connecticut | # 32 | 162 | 3,713.11 GWh |
| Delaware | # 49 | 33 | 489.00 GWh |
| District of Columbia | # 51 | 16 | 15.28 GWh |
| Florida | # 3 | 334 | 18,619.02 GWh |
| Georgia | # 8 | 248 | 10,834.93 GWh |
| Hawaii | # 47 | 70 | 669.33 GWh |
| Idaho | # 41 | 145 | 1,901.37 GWh |
| Illinois | # 4 | 380 | 14,875.53 GWh |
| Indiana | # 12 | 216 | 9,790.54 GWh |
| Iowa | # 19 | 291 | 6,378.25 GWh |
| Kansas | # 29 | 183 | 4,702.54 GWh |
| Kentucky | # 22 | 60 | 6,056.73 GWh |
| Louisiana | # 17 | 86 | 7,844.56 GWh |
| Maine | # 45 | 215 | 1,304.77 GWh |
| Maryland | # 38 | 203 | 3,022.33 GWh |
| Massachusetts | # 43 | 638 | 1,703.92 GWh |
| Michigan | # 11 | 269 | 9,944.77 GWh |
| Minnesota | # 28 | 764 | 4,707.75 GWh |
| Mississippi | # 23 | 57 | 5,592.62 GWh |
| Missouri | # 24 | 127 | 5,447.62 GWh |
| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,424.51 GWh |
| Nebraska | # 35 | 125 | 3,248.85 GWh |
| Nevada | # 39 | 114 | 3,017.15 GWh |
| New Hampshire | # 44 | 56 | 1,533.32 GWh |
| New Jersey | # 27 | 386 | 5,076.17 GWh |
| New Mexico | # 37 | 143 | 3,060.89 GWh |
| New York | # 9 | 950 | 10,653.43 GWh |
| North Carolina | # 7 | 904 | 11,173.71 GWh |
| North Dakota | # 33 | 59 | 3,698.46 GWh |
| Ohio | # 6 | 200 | 13,061.62 GWh |
| Oklahoma | # 18 | 142 | 6,415.64 GWh |
| Oregon | # 21 | 271 | 6,135.97 GWh |
| Pennsylvania | # 2 | 252 | 20,963.61 GWh |
| Rhode Island | # 46 | 100 | 708.28 GWh |
| South Carolina | # 15 | 207 | 8,044.42 GWh |
| South Dakota | # 42 | 52 | 1,872.08 GWh |
| Tennessee | # 20 | 88 | 6,323.51 GWh |
| Texas | # 1 | 959 | 41,824.62 GWh |
| Utah | # 36 | 125 | 3,187.35 GWh |
| Vermont | # 50 | 116 | 163.02 GWh |
| Virginia | # 14 | 237 | 9,222.47 GWh |
| Washington | # 13 | 135 | 9,340.69 GWh |
| West Virginia | # 30 | 40 | 4,249.38 GWh |
| Wisconsin | # 26 | 243 | 5,119.83 GWh |
| Wyoming | # 34 | 70 | 3,369.17 GWh |