Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Walter Bouldin Dam | Alabama Power Co | Wetumpka, AL | Southern Company Services, Inc. - Trans (SOCO) | 398.5 GWh | Jun 1967 | Dec 2025 | Water |
| R C Kirkwood | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 472.2 GWh | Jan 1967 | Aug 2026 | Water |
| Moccasin | City & County of San Francisco - (CA) | Moccasin, CA | California Independent System Operator (CISO) | 300.1 GWh | Jul 1969 | Aug 2026 | Water |
| Dion R Holm | City & County of San Francisco - (CA) | Groveland, CA | California Independent System Operator (CISO) | 557.0 GWh | Jul 1960 | Aug 2026 | Water |
| Holt Dam | Alabama Power Co | Tuscaloosa, AL | Southern Company Services, Inc. - Trans (SOCO) | 156.6 GWh | Jul 1968 | Dec 2025 | Water |
| Beardsley | Oakdale&South San Joaquin Irrigation D. | None, CA | California Independent System Operator (CISO) | 56.4 GWh | Apr 1957 | Dec 2025 | Water |
| H Neely Henry Dam | Alabama Power Co | Ohatchee, AL | Southern Company Services, Inc. - Trans (SOCO) | 180.9 GWh | May 1966 | Dec 2025 | Water |
| Donnells | Oakdale&South San Joaquin Irrigation D. | None, CA | California Independent System Operator (CISO) | 233.4 GWh | May 1957 | Dec 2025 | Water |
| Loon Lake | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 78.0 GWh | Aug 1971 | Dec 2025 | Water |
| Robbs Peak | Sacramento Municipal Util Dist | Fresh Pond, CA | Balancing Authority of Northern California (BANC) | 41.4 GWh | Sep 1965 | Dec 2025 | Water |
| Dutch Flat 2 | Nevada Irrigation District | Dutch Flat, CA | California Independent System Operator (CISO) | 15.2 GWh | Oct 1965 | Dec 2025 | Water |
| White Rock/Slab Creek | Sacramento Municipal Util Dist | Placerville, CA | Balancing Authority of Northern California (BANC) | 445.7 GWh | Jan 1968 | Aug 2026 | Water |
| Devil Canyon | California Dept. of Water Resources | San Bernardino, CA | California Independent System Operator (CISO) | 707.0 GWh | Nov 1972 | Aug 2026 | Water |
| Chicago Park | Nevada Irrigation District | Colfax, CA | California Independent System Operator (CISO) | 65.2 GWh | Oct 1965 | Dec 2025 | Water |
| Edward C Hyatt | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 2.2 TWh | Feb 1968 | Aug 2026 | Water |
| Tulloch | Oakdale&South San Joaquin Irrigation D. | Jamestown, CA | California Independent System Operator (CISO) | 103.2 GWh | May 1958 | Dec 2025 | Water |
| Lewis Smith Dam | Alabama Power Co | Jasper, AL | Southern Company Services, Inc. - Trans (SOCO) | 274.6 GWh | Aug 1961 | Dec 2025 | Water |
| Jordan Dam | Alabama Power Co | Wetumpka, AL | Southern Company Services, Inc. - Trans (SOCO) | 313.8 GWh | Dec 1928 | Dec 2025 | Water |
| Forbestown | South Feather Water and Power Agency | Forbestown, CA | California Independent System Operator (CISO) | 114.9 GWh | Sep 1963 | Dec 2025 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 26.9 GWh | Jun 1967 | Oct 2025 | Water |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 245.8 GWh | Jun 1967 | Dec 2025 | Water |
| Logan Martin Dam | Alabama Power Co | Vincent, AL | Southern Company Services, Inc. - Trans (SOCO) | 299.6 GWh | Jul 1964 | Dec 2025 | Water |
| Upper Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 51.9 GWh | May 1953 | Dec 2025 | Water |
| Lay Dam | Alabama Power Co | Clanton, AL | Southern Company Services, Inc. - Trans (SOCO) | 482.4 GWh | Jan 1967 | Dec 2025 | Water |
| Pleasant Valley Hydro | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 6.3 GWh | Jan 1958 | Sep 2025 | Water |
| Middle Gorge | Los Angeles Department of Water & Power | Bishop, CA | Los Angeles Department of Water and Power (LDWP) | 48.0 GWh | Apr 1952 | Dec 2025 | Water |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 287.2 GWh | Dec 1926 | Dec 2025 | Water |
| Rollins | Nevada Irrigation District | Colfax, CA | California Independent System Operator (CISO) | 36.9 GWh | Jul 1980 | Dec 2025 | Water |
| Gantt | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 5.7 GWh | Dec 1925 | Dec 2025 | Water |
| Wheeler Dam | Tennessee Valley Authority | Town Creek, AL | Tennessee Valley Authority (TVA) | 1.2 TWh | Oct 1936 | Dec 2025 | Water |
| Guntersville | Tennessee Valley Authority | Guntersville, AL | Tennessee Valley Authority (TVA) | 509.1 GWh | Jul 1939 | Dec 2025 | Water |
| Don Pedro | Turlock Irrigation District | La Grange, CA | Turlock Irrigation District (TIDC) | 288.3 GWh | Apr 1971 | Aug 2026 | Water |
| Oxbow (CA) | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 23.2 GWh | Sep 1966 | Dec 2025 | Water |
| Millers Ferry | USCE-Mobile District | Camden, AL | Southern Company Services, Inc. - Trans (SOCO) | 250.2 GWh | Mar 1970 | Dec 2025 | Water |
| Rush Creek | Southern California Edison Co | June lake, CA | California Independent System Operator (CISO) | 30.0 GWh | Sep 1916 | Dec 2025 | Water |
| French Meadows | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 42.6 GWh | Sep 1966 | Dec 2025 | Water |
| Ralston | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 302.6 GWh | Sep 1966 | Dec 2025 | Water |
| Prairie River | ALLETE, Inc. | Grand Rapids, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 1920 | Dec 2025 | Water |
| Yates Dam | Alabama Power Co | Tallassee, AL | Southern Company Services, Inc. - Trans (SOCO) | 114.2 GWh | Jun 1928 | Dec 2025 | Water |
| Middle Fork | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 483.9 GWh | Sep 1966 | Aug 2026 | Water |
| Point A | PowerSouth Energy Cooperative | Andalusia, AL | Southern Company Services, Inc. - Trans (SOCO) | 13.4 GWh | Dec 1924 | Dec 2025 | Water |
| Pardee | East Bay Municipal Util Dist - (CA) | Valley Springs, CA | California Independent System Operator (CISO) | 79.6 GWh | Jun 1930 | Dec 2025 | Water |
| San Francisquito 1 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 125.4 GWh | Mar 1917 | Dec 2025 | Water |
| Fleish | Truckee Meadows Water Authority | Fleish, NV | Nevada Power Company (NEVP) | 21.3 GWh | Dec 1913 | Aug 2026 | Water |
| Moyie Springs | City of Bonners Ferry (ID) | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 21.4 GWh | Nov 1921 | Dec 2025 | Water |
| Oak Grove | Portland General Electric Co | Estacada, OR | Portland General Electric Company (PGE) | 142.1 GWh | Jul 1924 | Dec 2025 | Water |
| Mill C | New York State Elec & Gas Corp | Town of Plattsburgh, NY | New York Independent System Operator (NYIS) | 21.8 GWh | Jul 1943 | Dec 2025 | Water |
| Bend | PacifiCorp | Bend, OR | PacifiCorp West (PACW) | 797.0 MWh | Jun 1913 | Dec 2025 | Water |
| Mcindoes | Great River Hydro, LLC | Barnet, VT | ISO New England (ISNE) | 39.1 GWh | Dec 1930 | Dec 2025 | Water |
| Cabot Holyoke | City of Holyoke Gas and Elec Dept - (MA) | Holyoke, MA | ISO New England (ISNE) | 3.0 GWh | Dec 1892 | Dec 2025 | Water |
| San Francisquito 2 | Los Angeles Department of Water & Power | Saugus, CA | Los Angeles Department of Water and Power (LDWP) | 33.7 GWh | Jun 1920 | Dec 2025 | Water |
| Vergennes 9 | Green Mountain Power Corp | Vergennes, VT | ISO New England (ISNE) | 7.7 GWh | Dec 1911 | Dec 2025 | Water |
| Gorge 18 | Green Mountain Power Corp | South Burlington, VT | ISO New England (ISNE) | 15.4 GWh | Dec 1927 | Dec 2025 | Water |
| Hoover Dam (AZ) | U S Bureau of Reclamation | Boulder City, AZ | Western Area Power Administration - Desert Southwest Region (WALC) | 1.4 TWh | Aug 1936 | Aug 2026 | Water |
| Big Fork | PacifiCorp | Big Fork, MT | PacifiCorp East (PACE) | 24.6 GWh | Jun 1910 | Dec 2025 | Water |
| Carver Falls | Green Mountain Power Corp | Hampton, NY | ISO New England (ISNE) | 4.1 GWh | Jan 1922 | Dec 2025 | Water |
| Beldens | Green Mountain Power Corp | New Haven, VT | ISO New England (ISNE) | 6.0 GWh | Jul 1913 | Dec 2025 | Water |
| Proctor | Green Mountain Power Corp | Proctor, VT | ISO New England (ISNE) | 27.8 GWh | Jul 1905 | Dec 2025 | Water |
| Wilson Dam | Tennessee Valley Authority | Muscle Shoals, AL | Tennessee Valley Authority (TVA) | 1.6 TWh | Aug 1925 | Aug 2026 | Water |
| Little Cottonwood | City of Murray - (UT) | Sandy, UT | PacifiCorp East (PACE) | 8.6 GWh | Mar 1983 | Sep 2025 | Water |
| Silvis | Ketchikan Public Utilities | Ketchikan, AK | 14.3 GWh | Dec 1967 | Dec 2025 | Water | |
| Beaver Falls | Ketchikan Public Utilities | Ketchikan, AK | 48.0 GWh | Dec 1946 | Dec 2025 | Water | |
| Winfield | Appalachian Power Co | Winfield, WV | PJM Interconnection, LLC (PJM) | 93.0 GWh | Dec 1937 | Dec 2025 | Water |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 67.6 GWh | Nov 1935 | Dec 2025 | Water |
| London | Appalachian Power Co | Handley, WV | PJM Interconnection, LLC (PJM) | 64.1 GWh | Nov 1935 | Dec 2025 | Water |
| Foster | USACE Northwestern Division | Foster, OR | Bonneville Power Administration (BPAT) | 65.2 GWh | Aug 1968 | Dec 2025 | Water |
| Millville Hydro Station | Eagle Creek Renewable Energy, LLC | Millville, WV | PJM Interconnection, LLC (PJM) | 7.7 GWh | Dec 1912 | Dec 2025 | Water |
| Dam No. 5 Hydro Station | Eagle Creek Renewable Energy, LLC | Hedgesville, WV | PJM Interconnection, LLC (PJM) | 6.5 GWh | Dec 1918 | Dec 2025 | Water |
| Dam No. 4 Hydro Station | Eagle Creek Renewable Energy, LLC | Shepherdstown, WV | PJM Interconnection, LLC (PJM) | 8.1 GWh | Dec 1908 | Dec 2025 | Water |
| Keowee | Duke Energy Carolinas, LLC | Seneca, SC | Duke Energy Carolinas (DUK) | 44.3 GWh | Mar 1971 | Dec 2025 | Water |
| Washoe | Truckee Meadows Water Authority | Verdi, NV | Nevada Power Company (NEVP) | 14.9 GWh | Dec 1903 | Dec 2025 | Water |
| Verdi | Truckee Meadows Water Authority | Verdi, NV | Nevada Power Company (NEVP) | 18.3 GWh | Dec 1910 | Jul 2026 | Water |
| Searsburg | Great River Hydro, LLC | Searsburg, VT | ISO New England (ISNE) | 15.9 GWh | Feb 1922 | Dec 2025 | Water |
| E J West | Erie Boulevard Hydropower LP | Lake Luzerne, NY | New York Independent System Operator (NYIS) | 50.3 GWh | Dec 1929 | Dec 2025 | Water |
| Rainbow Falls Auscble | New York State Elec & Gas Corp | Town of Auscble, NY | New York Independent System Operator (NYIS) | 8.2 GWh | Jul 1926 | May 2025 | Water |
| Lahontan | Truckee-Carson Irrigation District | Fallon, NV | Nevada Power Company (NEVP) | 7.9 GWh | Dec 1910 | Sep 2025 | Water |
| Waterbury 22 | Green Mountain Power Corp | Waterbury, VT | ISO New England (ISNE) | 11.4 GWh | May 1953 | Dec 2025 | Water |
| Boundary | City of Seattle - (WA) | Metaline, WA | Seattle City Light (SCL) | 4.1 TWh | Jul 1967 | Aug 2026 | Water |
| Elephant Butte | U S Bureau of Reclamation | Truth or Consequences, NM | Western Area Power Administration - Rocky Mountain Region (WACM) | 16.6 GWh | Oct 1940 | Dec 2025 | Water |
| Alcova | U S Bureau of Reclamation | Alcova, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 107.2 GWh | Jun 1955 | Dec 2025 | Water |
| Heart Mountain | U S Bureau of Reclamation | Cody, WY | Western Area Power Administration - Upper Great Plains West (WAUW) | 16.1 GWh | Nov 1948 | Oct 2025 | Water |
| Indian Orchard | Central Rivers Power MA, LLC | Indian Orchard, MA | ISO New England (ISNE) | 3.5 GWh | Dec 1927 | Dec 2025 | Water |
| Roza | U S Bureau of Reclamation | Yakima, WA | Bonneville Power Administration (BPAT) | 38.2 GWh | Jul 1958 | Dec 2025 | Water |
| Chandler | U S Bureau of Reclamation | Benton City, WA | Bonneville Power Administration (BPAT) | 30.6 GWh | Jan 1956 | Nov 2025 | Water |
| Flaming Gorge | U S Bureau of Reclamation | Dutch John, UT | Western Area Power Administration - Upper Great Plains West (WAUW) | 323.2 GWh | Oct 1963 | Dec 2025 | Water |
| Deer Creek (UT) | U S Bureau of Reclamation | Heber, UT | Western Area Power Administration - Upper Great Plains West (WAUW) | 22.2 GWh | Jan 1958 | Dec 2025 | Water |
| Turners Falls | FirstLight Power Resources, Inc. - MA | Montague, MA | ISO New England (ISNE) | 11.8 GWh | Dec 1904 | Dec 2025 | Water |
| Green Springs | U S Bureau of Reclamation | Columbia Falls, OR | Bonneville Power Administration (BPAT) | 34.5 GWh | Apr 1960 | Dec 2025 | Water |
| Falcon Dam & Power | International Bound & Wtr Comm | Falcon Heights, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.7 GWh | Sep 1954 | Nov 2025 | Water |
| Canyon Ferry | U S Bureau of Reclamation | Helena, MT | Western Area Power Administration - Upper Great Plains West (WAUW) | 273.1 GWh | Nov 1953 | Dec 2025 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 98.8 GWh | May 1927 | Dec 2025 | Water |
| Boise R Diversion | U S Bureau of Reclamation | Boise, ID | Idaho Power Company (IPCO) | 73.0 MWh | May 2004 | Dec 2025 | Water |
| Black Canyon | U S Bureau of Reclamation | Emmet, ID | Bonneville Power Administration (BPAT) | 62.9 GWh | Nov 1925 | Dec 2025 | Water |
| Anderson Ranch | U S Bureau of Reclamation | Mountain Home, ID | Bonneville Power Administration (BPAT) | 85.8 GWh | Nov 1950 | Dec 2025 | Water |
| Swift Creek | Lower Valley Energy Inc | Afton, WY | Bonneville Power Administration (BPAT) | 6.1 GWh | Mar 2009 | Dec 2025 | Water |
| Strawberry Creek | Lower Valley Energy Inc | Bedford, WY | Bonneville Power Administration (BPAT) | 8.8 GWh | Jul 1940 | Dec 2025 | Water |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 87.5 GWh | Nov 1992 | Dec 2025 | Water |
| Eufaula Dam | USCE-Tulsa District | Porum, OK | Southwestern Power Administration (SPA) | 294.0 GWh | Jun 1964 | Dec 2025 | Water |
| Upper Falls | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 42.0 GWh | Mar 1922 | Dec 2025 | Water |
| Diablo | City of Seattle - (WA) | Rockport, WA | Seattle City Light (SCL) | 518.2 GWh | Sep 1936 | 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 |