Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | California Independent System Operator (CISO) | 11.5 GWh | Dec 1986 | May 2025 | Water |
| King City Power Plant | Calpine King City Cogen LLC | King City, CA | California Independent System Operator (CISO) | 31.4 GWh | Jan 1989 | Sep 2025 | Natural Gas |
| Sierra Pacific Quincy Facility | Sierra Pacific Industries | Quincy, CA | California Independent System Operator (CISO) | 192.5 GWh | Nov 1986 | Dec 2024 | Wood/Wood Waste Solids |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 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 |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 10.2 GWh | Dec 1984 | Dec 2024 | Natural Gas |
| Chalk Cliff Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 2.8 GWh | Feb 1990 | Nov 2025 | Natural Gas |
| San Dimas Wash Generating Station | San Gabriel Valley Mun Wtr Dt | San Dimas, CA | California Independent System Operator (CISO) | 4.8 GWh | Feb 1986 | Jun 2024 | Water |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 34.6 GWh | Apr 1989 | Oct 2024 | Water |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 108.3 GWh | Dec 1937 | Nov 2025 | Wood/Wood Waste Solids : 99.8% |
| San Diego State University | San Diego State University | San Diego, CA | California Independent System Operator (CISO) | 52.6 GWh | Aug 2002 | Nov 2025 | Natural Gas : 97.3% Solar : 2.7% |
| University of California Santa Cruz | University of California Santa Cruz | Santa Cruz, CA | California Independent System Operator (CISO) | 35.2 GWh | Aug 2013 | Dec 2024 | Natural Gas : 91.7% Solar : 8.3% |
| Calistoga Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 453.3 GWh | Feb 1984 | Nov 2025 | Geothermal |
| Univ of San Francisco Cogen | University of San Francisco | San Francisco, CA | California Independent System Operator (CISO) | 5.2 GWh | Aug 1987 | Dec 2024 | Natural Gas |
| Sierra Pacific Burney Facility | Sierra Pacific Industries | Burney, CA | California Independent System Operator (CISO) | 96.3 GWh | Sep 1986 | Dec 2024 | Wood/Wood Waste Solids |
| Coso Energy Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 244.2 GWh | Nov 1988 | Dec 2024 | Geothermal |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 279.2 GWh | Jun 1984 | Nov 2025 | Natural Gas |
| Phillips 66 Rodeo Refinery | Phillips 66 Company | Rodeo, CA | California Independent System Operator (CISO) | 291.0 GWh | Apr 1987 | Aug 2024 | Other Gas : 72.8% Natural Gas : 27.2% |
| 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 |
| Sycamore Cogeneration | Sycamore Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 218.9 GWh | Nov 1987 | Nov 2025 | Natural Gas |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 4.1 GWh | Jul 1981 | Nov 2025 | Other Biomass Gas : 95.2% Natural Gas : 4.8% |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 3.1 GWh | Sep 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 |
| Berry Cogen | Berry Petroleum Co | Taft, CA | California Independent System Operator (CISO) | 7.6 GWh | Nov 1986 | Sep 2025 | Natural Gas |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 12.6 GWh | Feb 1983 | Oct 2024 | Water |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.3 TWh | Nov 1987 | Nov 2025 | Natural Gas : 77.7% Other Gas : 21.4% Waste/Other Oil : 0.9% |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 2024 | Water |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | California Independent System Operator (CISO) | 32.9 GWh | Oct 1982 | Dec 2024 | Natural Gas |
| Cove Hydroelectric | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 18.4 GWh | Jan 1990 | Dec 2024 | Water |
| Kern River Cogeneration | Kern River Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 144.7 GWh | Jun 1985 | Nov 2025 | Natural Gas |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 34.8 GWh | Nov 1984 | Nov 2025 | Natural Gas |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 144.0 GWh | Nov 1984 | Dec 2024 | Wind |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 10.6 GWh | Aug 1986 | Dec 2024 | Water |
| AltaGas Ripon Energy Inc. | AltaGas Ripon Energy Inc. | Ripon, CA | California Independent System Operator (CISO) | 1.6 GWh | Mar 1988 | Sep 2025 | Natural Gas |
| Wadham Energy LP | Wadham Energy Ltd Partners | Williams, CA | California Independent System Operator (CISO) | 132.0 GWh | Feb 1989 | Dec 2024 | Agricultural By-Products : 99.7% |
| Bear Mountain Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 35.7 GWh | Mar 1995 | Nov 2025 | Natural Gas |
| Badger Creek Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 6.2 GWh | Mar 1991 | Sep 2025 | Natural Gas |
| Burney Forest Products | Burney Forest Products, A Joint Venture | Burney, CA | California Independent System Operator (CISO) | 193.3 GWh | Sep 1989 | Dec 2024 | Wood/Wood Waste Solids : 94.4% Natural Gas : 5.6% |
| San Gorgonio Farms Wind Farm | San Gorgonio Farms Inc | Whitewater, CA | California Independent System Operator (CISO) | 61.3 GWh | Feb 1983 | Dec 2024 | Wind |
| Collins Pine Project | Collins Pine Co | Chester, CA | California Independent System Operator (CISO) | 10.3 GWh | Nov 1985 | Dec 2024 | Wood/Wood Waste Solids |
| Argus Cogen Plant | Searles Valley Minerals Operations Inc. | Trona, CA | California Independent System Operator (CISO) | 250.1 GWh | Nov 1947 | Nov 2025 | Bituminous Coal : 94.9% Natural Gas : 5.1% |
| Burney Creek | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 8.9 GWh | Feb 1990 | Dec 2024 | Water |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 82.3 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.1 GWh | Nov 1989 | Dec 2024 | Water |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 2.9 GWh | Feb 1990 | Dec 2024 | Water |
| Karen Avenue Wind Farm | San Gorgonio Farms Inc | North Palm Springs, CA | California Independent System Operator (CISO) | 23.4 GWh | Dec 1984 | Dec 2024 | Wind |
| Kyocera International Inc.(San Diego) | Kyocera International, Inc | San Diego, CA | California Independent System Operator (CISO) | 9.1 GWh | Aug 2012 | Dec 2024 | Natural Gas |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 22.8 GWh | Mar 1998 | Dec 2024 | Landfill Gas |
| Rio Bravo Fresno | Rio Bravo Fresno | Fresno, CA | California Independent System Operator (CISO) | 108.4 GWh | Jun 1988 | Oct 2024 | Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3% |
| Rio Bravo Rocklin | Rio Bravo Rocklin | Lincoln, CA | California Independent System Operator (CISO) | 155.2 GWh | May 1989 | Dec 2024 | Wood/Wood Waste Solids : 99.1% Natural Gas : 0.9% |
| E F Oxnard Energy Facility | EF Oxnard, LLC | Oxnard, CA | California Independent System Operator (CISO) | 3.2 GWh | May 1990 | Oct 2025 | Natural Gas |
| HL Power | HL Power Company | Wendel, CA | California Independent System Operator (CISO) | 204.8 GWh | Jun 1989 | Dec 2024 | Wood/Wood Waste Solids : 99.8% |
| Woodland Biomass Power Ltd | DTE Energy Services-Woodland | Woodland, CA | California Independent System Operator (CISO) | 170.9 GWh | Aug 1989 | Dec 2024 | Wood/Wood Waste Solids : 99.5% Natural Gas : 0.5% |
| Coso Finance Partners | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 367.0 GWh | Jun 1987 | Nov 2025 | Geothermal |
| Coso Power Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 307.6 GWh | Oct 1989 | Nov 2025 | Geothermal |
| Dinosaur Point | International Turbine Res Inc | Los Banos, CA | California Independent System Operator (CISO) | 4.9 GWh | Apr 1988 | Jun 2024 | Wind |
| Kern Front Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 12.2 GWh | Jan 1989 | Dec 2024 | Natural Gas |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 2001 | Apr 2024 | Water |
| High Sierra Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 14.1 GWh | Feb 1989 | Dec 2024 | Natural Gas |
| Ellwood | Ellwood Power, LLC | Goleta, CA | California Independent System Operator (CISO) | 2.5 GWh | Jul 1974 | Dec 2024 | Natural Gas |
| Double C Generation Limited Partnership | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 14.9 GWh | Feb 1989 | Dec 2024 | Natural Gas |
| Gas Utilization Facility | City of San Diego | San Diego, CA | California Independent System Operator (CISO) | 30.7 GWh | May 1985 | Nov 2025 | Other Biomass Gas |
| Victory Garden (Tehachapi) | Wind Stream Operations LLC | Tehachapi, CA | California Independent System Operator (CISO) | 33.0 GWh | Nov 1981 | Dec 2024 | Wind |
| Painted Hills Wind Park | Terra-Gen Operating Co-Wind | Whitewater, CA | California Independent System Operator (CISO) | 170.3 GWh | Oct 1985 | Nov 2025 | Wind |
| Mesa Wind Power LLC | Brookfield Renewable Trading and Marketing LP | North Palm Springs, CA | California Independent System Operator (CISO) | 12.7 GWh | Oct 1984 | Nov 2025 | Wind |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 245.0 GWh | Jan 1991 | Dec 2024 | Wind |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 331.2 GWh | Dec 1983 | Sep 2025 | Water |
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 23.3 GWh | Mar 1987 | Nov 2025 | Natural Gas |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 482.5 GWh | Jun 1982 | Nov 2025 | Natural Gas |
| Harbor Cogen | Harbor Cogeneration Co. | Wilmington, CA | California Independent System Operator (CISO) | 17.4 GWh | Nov 1988 | Dec 2024 | Natural Gas |
| Deadwood Creek | Hydro Sierra Energy, LLC | Dobbins, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 1993 | May 2024 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 36.4 GWh | May 1983 | Dec 2024 | Water |
| Foothill Feeder | Metropolitan Water District of S CA | Castaic, CA | California Independent System Operator (CISO) | 19.6 GWh | Mar 1981 | Dec 2023 | Water |
| Combustion Turbine Project No 2 | Northern California Power Agny | Lodi, CA | California Independent System Operator (CISO) | 9.6 GWh | Mar 1996 | Oct 2024 | Natural Gas |
| Dynegy Oakland Power Plant | Dynegy Oakland, LLC | Oakland, CA | California Independent System Operator (CISO) | 2.3 GWh | Oct 1978 | Nov 2025 | Jet Fuel |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 46.2 GWh | Jul 1996 | Dec 2024 | Water |
| Alameda | Northern California Power Agny | Alameda, CA | California Independent System Operator (CISO) | 3.1 GWh | Apr 1986 | Dec 2024 | Natural Gas |
| Lodi | Northern California Power Agny | Lodi, CA | California Independent System Operator (CISO) | 2.8 GWh | Jan 1986 | Dec 2024 | Natural Gas |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 28.5 GWh | Jun 1958 | Nov 2025 | Distillate Fuel Oil : 94.6% Gaseous Propane : 5.4% |
| Solano Wind | Sacramento Municipal Util Dist | Rio Vista, CA | California Independent System Operator (CISO) | 773.1 GWh | May 1994 | Nov 2025 | Wind |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | Dec 2024 | Water |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 17.6 TWh | Apr 1985 | Nov 2025 | Nuclear |
| Geothermal 1 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 350.7 GWh | Dec 1982 | Nov 2025 | Geothermal |
| Geothermal 2 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 320.2 GWh | Nov 1985 | Nov 2025 | Geothermal |
| Gianera | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 6.2 GWh | May 1986 | Dec 2024 | Natural Gas |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 10.6 GWh | Feb 1903 | Dec 2024 | Water |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 19.2 GWh | Jun 1987 | Dec 2024 | Water |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 15.6 GWh | Mar 1986 | Dec 2024 | Water |
| W E Warne | California Dept. of Water Resources | Gorman, CA | California Independent System Operator (CISO) | 171.5 GWh | Oct 1982 | Dec 2024 | Water |
| Santa Clara Cogen | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 15.3 GWh | May 1982 | Dec 2023 | Natural Gas |
| Lake Mendocino | City of Ukiah - (CA) | Ukiah, CA | California Independent System Operator (CISO) | 12.3 GWh | Apr 1987 | Dec 2024 | Water |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 14.9 GWh | Aug 1988 | Dec 2024 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 8.0 GWh | Jul 1980 | Jul 2024 | Water |
| Aidlin Geothermal Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 81.3 GWh | Apr 1989 | Dec 2024 | Geothermal |
| CP Kelco San Diego Plant | CP Kelco US Inc. | San Diego, CA | California Independent System Operator (CISO) | 74.7 GWh | Sep 1983 | Nov 2025 | Natural Gas |
| Yuba City Cogen Partners | Wellhead Services, Inc | Yuba City, CA | California Independent System Operator (CISO) | 22.9 GWh | Nov 1990 | Dec 2024 | Natural Gas |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 71.2 GWh | Dec 1984 | Dec 2024 | Wind |
| 85 B | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 97.6 GWh | Dec 1984 | Dec 2024 | Wind |
| Midway Sunset Cogen | Midway-Sunset Cogeneration Co | Fellows, CA | California Independent System Operator (CISO) | 111.6 GWh | Apr 1989 | Aug 2025 | Natural Gas |
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 |