Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| South Fork | Alaska Power and Telephone Co | Klawock, AK | 5.6 GWh | Jun 2005 | Dec 2025 | Water | |
| Russell D Smith | Columbia Basin Hydropower | Othello, WA | Bonneville Power Administration (BPAT) | 14.4 GWh | Aug 1982 | Oct 2025 | Water |
| Twin Cities Hydro LLC | Twin Cities Hydro LLC | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 97.1 GWh | Sep 1924 | Dec 2025 | Water |
| Summer Falls Power Plant | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 391.2 GWh | Dec 1984 | Oct 2025 | Water |
| Potholes East Canal 66.0 | Columbia Basin Hydropower | Pasco, WA | Bonneville Power Administration (BPAT) | 3.2 GWh | Feb 1985 | Oct 2025 | Water |
| Meldahl Hydroelectric Project | City of Hamilton - (OH) | Foster, KY | PJM Interconnection, LLC (PJM) | 470.5 GWh | Dec 2015 | Dec 2025 | Water |
| Kasidaya Creek Hydro | Alaska Power and Telephone Co | Skagway, AK | 11.7 GWh | Sep 2008 | Dec 2025 | Water | |
| Chester Diversion Hydroelectric Project | Fall River Rural Elec Coop Inc | Chester, ID | Bonneville Power Administration (BPAT) | 6.8 GWh | Apr 2014 | Jun 2026 | Water |
| Lake Dorothy Hydroelectric Project | Alaska Electric Light & Power Co. | Juneau, AK | 81.7 GWh | Aug 2009 | Dec 2025 | Water | |
| Calderwood | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 568.7 GWh | Mar 1930 | Dec 2025 | Water |
| Dixon Hydroelectric Dam | Eagle Creek Renewable Energy, LLC | Dixon, IL | PJM Interconnection, LLC (PJM) | 12.5 GWh | May 1925 | Dec 2025 | Water |
| Ford Hydro LP | Ford Hydro Ltd Partnership | Weippe, ID | Avista Corporation (AVA) | 3.1 GWh | Feb 1988 | Dec 2025 | Water |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 43.2 GWh | Jul 1993 | Dec 2025 | Water |
| Falls Hydro | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 93.6 GWh | Aug 1919 | Dec 2025 | Water |
| High Rock Hydro | Eagle Creek Renewable Energy, LLC | Denton, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 99.7 GWh | Oct 1927 | Dec 2025 | Water |
| Tuckertown Hydro | Eagle Creek Renewable Energy, LLC | New London, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 95.7 GWh | Mar 1962 | Dec 2025 | Water |
| Schoolfield Dam | Eagle Creek Renewable Energy, LLC | Danville, VA | PJM Interconnection, LLC (PJM) | 8.3 GWh | Sep 1990 | Jun 2026 | Water |
| Santeetlah | Brookfield Smoky Mountain Hydropower LP | Robbinsville, NC | Tennessee Valley Authority (TVA) | 130.0 GWh | May 1928 | Dec 2025 | Water |
| Berlin Gorham | Great Lakes Hydro America LLC | Berlin, NH | ISO New England (ISNE) | 101.1 GWh | Dec 1913 | Dec 2025 | Water |
| Cheoah | Brookfield Smoky Mountain Hydropower LP | Tapoco, NC | Tennessee Valley Authority (TVA) | 472.4 GWh | Aug 1949 | Dec 2025 | Water |
| Spicer Meadow Project | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 14.4 GWh | Oct 1989 | Dec 2025 | Water |
| Curtis Palmer Hydroelectric | Palmer Hydroelectric | Corinth, NY | New York Independent System Operator (NYIS) | 276.6 GWh | Sep 1985 | Dec 2025 | Water |
| Wappinger Falls Hydroelectric | Windsor Machinery Co Inc | Wappinger Falls, NY | New York Independent System Operator (NYIS) | 7.7 GWh | Nov 1988 | Dec 2025 | Water |
| Avalon Hydropower | Avalon Hydropower LLC | Mayodan, NC | Duke Energy Carolinas (DUK) | 2.3 GWh | Mar 1997 | Jun 2026 | Water |
| Chilhowee | Brookfield Smoky Mountain Hydropower LP | Tallassee, TN | Tennessee Valley Authority (TVA) | 157.7 GWh | Jul 1957 | Dec 2025 | Water |
| Lochmere Hydroelectric Plant | Eagle Creek Renewable Energy, LLC | Tilton, NH | ISO New England (ISNE) | 2.1 GWh | Nov 1984 | Oct 2025 | Water |
| Hazelton B Hydro | Hazelton/Wilson Joint Venture | Hazelton, ID | Idaho Power Company (IPCO) | 23.3 GWh | Mar 1993 | Oct 2025 | Water |
| Horseshoe Bend Hydroelectric Co | Horseshoe Bend Hydroelectric Co | Horseshoe Bend, ID | Idaho Power Company (IPCO) | 46.8 GWh | Mar 1995 | Dec 2025 | Water |
| Longfalls Facility | Ampersand Long Falls Hydro, LLC | West Carthage, NY | New York Independent System Operator (NYIS) | 5.4 GWh | Sep 1991 | Dec 2025 | Water |
| Collierville Powerhouse | Northern California Power Agny | Murphys, CA | California Independent System Operator (CISO) | 397.3 GWh | Oct 1989 | Jun 2026 | Water |
| Flambeau Crowley Rapids Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Dec 1929 | Dec 2025 | Water |
| Medway Hydro | Brookfield Black Bear Hydro, LLC | Medway, ME | ISO New England (ISNE) | 22.9 GWh | Dec 1922 | Dec 2025 | Water |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Oct 2025 | Water |
| South Glens Falls Hydroelectric | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 64.5 GWh | Jul 1994 | Dec 2025 | Water |
| Wailuku River Hydroelectric | Wailuku Holding Company LLC | Hilo, HI | 29.9 GWh | Apr 1993 | Jun 2026 | Water | |
| Lateral 10 Ventures | Lateral 10 Ventures | Buhl, ID | Idaho Power Company (IPCO) | 565.0 MWh | Oct 1984 | Dec 2025 | Water |
| Broadwater Power Project | Montana Dept-Natural Res&Consv | Toston, MT | NorthWestern Corporation (NWMT) | 27.9 GWh | May 1989 | Dec 2025 | 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 |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 9.2 GWh | Dec 1986 | Dec 2025 | Water |
| Hudson Falls Hydroelectric Project | Boralex Hydro Operations Inc | South Glens Falls, NY | New York Independent System Operator (NYIS) | 170.4 GWh | Oct 1995 | Dec 2025 | Water |
| Warm Springs Power Enterprises | Warm Springs Power Enterprises | Warm Springs, OR | PacifiCorp West (PACW) | 60.5 GWh | May 1982 | Dec 2024 | Water |
| Sidney A Murray Jr Hydroelectric | First National Bank-Commerce | Vidalia, LA | Midcontinent Independent System Operator, Inc. (MISO) | 989.5 GWh | Apr 1990 | Dec 2025 | Water |
| Flambeau Lower Project | Zero6 Energy Hydro | Park Falls, WI | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Dec 1922 | Dec 2025 | Water |
| Black Creek | Black Creek Hydro Inc | Snoqualmie, WA | Puget Sound Energy, Inc. (PSEI) | 8.7 GWh | Jan 1994 | Dec 2025 | Water |
| Phoenix Hydro Project | Eagle Creek Renewable Energy, LLC | Phoenix, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Dec 1990 | Dec 2025 | Water |
| Dunn Paper | BiOrigin Specialty Products | Gouverneur, NY | New York Independent System Operator (NYIS) | 4.8 GWh | Dec 1958 | Dec 2025 | Water |
| Lower Beaver Falls Project | Eagle Creek Renewable Energy, LLC | Beaver Falls, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Nov 1979 | Dec 2025 | Water |
| Kimberly Mill | City of Kaukauna (WI) | Appleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.3 GWh | Dec 1925 | Dec 2025 | Water |
| Thundermist Hydro | City of Woonsocket - (RI) | Providence, RI | ISO New England (ISNE) | 3.3 GWh | May 1981 | Jul 2025 | Water |
| Narrows (NC) | Eagle Creek Renewable Energy, LLC | Badin, NC | Alcoa Power Generating, Inc. - Yadkin Division (YAD) | 362.8 GWh | Jun 1917 | Dec 2025 | Water |
| Boulder City Betasso Hydro Plant | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 7.5 GWh | Nov 1987 | Dec 2025 | Water |
| Boulder City Lakewood Hydro | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 7.5 GWh | Jan 2004 | Dec 2025 | Water |
| Sibley Mill | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 6.8 GWh | Dec 1945 | Jun 2026 | Water |
| Quinebaug Lower Project | Quinebaug Associates LLC | Brooklyn, CT | ISO New England (ISNE) | 5.4 GWh | Mar 1990 | Dec 2025 | Water |
| Rollinsford | Green Mountain Power Corp | Rollinsford, NH | ISO New England (ISNE) | 3.0 GWh | Sep 1986 | Dec 2025 | Water |
| Stillwater Hydro Electric Project | GR Catalyst One, LLC | Stillwater, NY | New York Independent System Operator (NYIS) | 10.0 GWh | Mar 1993 | Dec 2025 | Water |
| Dry Creek Project | Dry Creek LLC | Howe, ID | PacifiCorp East (PACE) | 7.8 GWh | Nov 1987 | Dec 2025 | Water |
| Alice Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Keeseville, NY | New York Independent System Operator (NYIS) | 3.0 GWh | Oct 1991 | Dec 2025 | Water |
| Weeks Falls | Eagle Creek Renewable Energy, LLC | North Bend, WA | Puget Sound Energy, Inc. (PSEI) | 10.7 GWh | May 1990 | Dec 2025 | Water |
| Little Wood Hydro Project | Littlewood Irrigation District | Carey, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jan 1985 | Aug 2025 | Water |
| EHC West Hopkinton | Green Mountain Power Corp | West Hopkinton, NH | ISO New England (ISNE) | 1.2 GWh | Jun 1985 | Dec 2025 | Water |
| Chace Mill Winooski One | City of Burlington Electric - (VT) | Winooski, VT | ISO New England (ISNE) | 17.1 GWh | Mar 1993 | Dec 2025 | Water |
| Terminus Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Lemon Cove, CA | California Independent System Operator (CISO) | 33.1 GWh | Feb 1990 | Dec 2025 | Water |
| Ninth Street Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Aug 1990 | Dec 2025 | Water |
| Four Mile Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.1 GWh | Aug 1990 | Dec 2025 | Water |
| Norway Point Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | Midcontinent Independent System Operator, Inc. (MISO) | 13.0 GWh | Aug 1990 | Dec 2025 | Water |
| Blind Canyon Hydro | Blind Canyon Aquaranch, Inc. | Wendell, ID | Idaho Power Company (IPCO) | 3.7 GWh | Mar 1992 | Oct 2025 | Water |
| Hydro Kennebec Project | Hydro Kennebec LLC | Winslow, ME | ISO New England (ISNE) | 36.8 GWh | Dec 1988 | Nov 2025 | Water |
| Boulder City Silver Lake Hydro | Boulder, City of - (CO) | Boulder, CO | Public Service Company of Colorado (PSCO) | 6.2 GWh | Apr 2000 | Dec 2025 | Water |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| Wilson Lake Hydroelectric Project | Hazelton/Wilson Joint Venture | Eden, ID | Idaho Power Company (IPCO) | 27.3 GWh | Apr 1993 | Oct 2025 | Water |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 7.8 GWh | Mar 1986 | Oct 2025 | Water |
| Hastings City Hydroelectric | Hastings Lock & Dam | Hastings, MN | Midcontinent Independent System Operator, Inc. (MISO) | 13.9 GWh | Dec 1991 | Dec 2025 | Water |
| Hillcrest Pump Station | Denver City & County of - (CO) | Denver, CO | Public Service Company of Colorado (PSCO) | 7.7 GWh | May 1993 | Dec 2025 | Water |
| Koma Kulshan | Eagle Creek Renewable Energy, LLC | Concrete, WA | Puget Sound Energy, Inc. (PSEI) | 32.3 GWh | Sep 1990 | Dec 2025 | Water |
| Opal Springs Hydro | Deschutes Valley Water District | Culver, OR | PacifiCorp West (PACW) | 28.0 GWh | Dec 1984 | Dec 2025 | Water |
| Smith Falls Hydro Project | Smith Creek Hydro, LLC | Bonners Ferry, ID | Bonneville Power Administration (BPAT) | 87.2 GWh | Nov 1989 | Dec 2025 | Water |
| Great Lakes Hydro America - ME | Great Lakes Hydro America LLC | Millinocket, ME | ISO New England (ISNE) | 500.1 GWh | Jun 1917 | Dec 2025 | Water |
| Mechanic Falls | KEI (Maine) Power Management (IV) LLC | Mechanic Falls, ME | ISO New England (ISNE) | 1.9 GWh | Mar 1986 | Dec 2025 | Water |
| Pittsfield Hydro | KEI (Maine) Power Management (II) LLC | Burnham, ME | ISO New England (ISNE) | 2.7 GWh | Jun 1986 | Dec 2025 | Water |
| Graniteville Enterprise Division | Augusta Canal Authority | Augusta, GA | Southern Company Services, Inc. - Trans (SOCO) | 1.7 GWh | Dec 1920 | Jun 2026 | Water |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 202.0 MWh | Nov 1988 | Dec 2025 | Water |
| San Gabriel Hydro Project | Los Angeles County-San Gabriel | Azusa, CA | California Independent System Operator (CISO) | 2.3 GWh | Nov 1987 | Apr 2025 | Water |
| Port Edwards Mill | Domtar Industries Inc | Port Edwards, WI | Midcontinent Independent System Operator, Inc. (MISO) | 36.7 GWh | Dec 1912 | Jun 2026 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 21.8 GWh | Nov 1986 | Dec 2025 | Water |
| Lilliwaup Falls Generating | William G. Reed Jr | Lilliwaup, WA | Bonneville Power Administration (BPAT) | 5.3 GWh | Apr 1986 | Dec 2025 | Water |
| Pumpkin Hill | KEI (Maine) Power Management (II) LLC | Lowell, ME | ISO New England (ISNE) | 2.9 GWh | Feb 1987 | Dec 2025 | Water |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 14.3 GWh | Apr 1989 | Jul 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 |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Sprague Hydro | Sprague Hydro LLC | Bly, OR | PacifiCorp West (PACW) | 1.1 GWh | Sep 1989 | Dec 2025 | Water |
| Barber Dam | Barber Pool Hydro LLC | Boise, ID | Idaho Power Company (IPCO) | 6.7 GWh | Jul 1990 | 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 |
| Barker Lower | KEI (Maine) Power Management (III) LLC | Auburn, ME | ISO New England (ISNE) | 3.8 GWh | Mar 1986 | Dec 2025 | Water |
| Glen Ferris Hydro | Hawks Nest Hydro LLC | Gauley Bridge, WV | PJM Interconnection, LLC (PJM) | 10.6 GWh | Dec 1911 | Dec 2025 | Water |
| New Hogan Power Plant | Modesto Irrigation District | Valley Springs, CA | California Independent System Operator (CISO) | 5.7 GWh | Mar 1989 | 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) | 18.9 GWh | Jan 1999 | Jun 2026 | 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 |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.9 GWh | Feb 1990 | Dec 2025 | Water |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |