Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Valero Refinery Cogeneration Unit 1 | Valero Refining Co California | Benicia, CA | California Independent System Operator (CISO) | 275.4 GWh | Sep 2002 | Sep 2025 | Natural Gas : 87.7% Other Gas : 12.3% |
| Chula Vista Energy Center | Wellhead Services, Inc | Chula Vista, CA | California Independent System Operator (CISO) | 1.8 GWh | Apr 2001 | Nov 2024 | Natural Gas |
| Indigo Energy Facility | Diamond Generating Corporation | North Palm Springs, CA | California Independent System Operator (CISO) | 24.6 GWh | Jun 2001 | Dec 2024 | Natural Gas |
| Larkspur Energy Facility | Diamond Generating Corporation | San Diego, CA | California Independent System Operator (CISO) | 24.4 GWh | Jun 2001 | Dec 2024 | Natural Gas |
| Gateway Generating Station | Pacific Gas & Electric Co. | Antioch, CA | California Independent System Operator (CISO) | 3.0 TWh | Dec 2008 | Sep 2025 | Natural Gas |
| Center Hybrid | Southern California Edison Co | Norwalk, CA | California Independent System Operator (CISO) | 7.2 GWh | Aug 2007 | Dec 2024 | Natural Gas |
| Feather River Energy Center | Calpine Corp-Yuba City | Yuba City, CA | California Independent System Operator (CISO) | 45.7 GWh | Dec 2002 | Dec 2024 | Natural Gas |
| Barre Peaker | Southern California Edison Co | Stanton, CA | California Independent System Operator (CISO) | 12.7 GWh | Aug 2007 | Nov 2024 | Natural Gas |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 11.3 GWh | Aug 2007 | Dec 2024 | Natural Gas |
| Bear Valley Power Plant | Bear Valley Electric Service | Big Bear Lake, CA | California Independent System Operator (CISO) | 307.0 MWh | Dec 2004 | Dec 2024 | Natural Gas |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 34.5 GWh | Nov 1984 | Sep 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 |
| Salka Cabazon Wind | Salka Cabazon Wind LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 7.9 GWh | Dec 1998 | Dec 2024 | Wind |
| Edom Hills Project 1 LLC | Edom Hills Project 1 LLC | Cathedral City, CA | California Independent System Operator (CISO) | 12.4 GWh | Aug 2008 | Nov 2024 | Wind |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | California Independent System Operator (CISO) | 38.9 GWh | Feb 1969 | Dec 2024 | Landfill Gas |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 138.2 GWh | Sep 1986 | Sep 2025 | Wood/Wood Waste Solids : 99.7% |
| Kern River Cogeneration | Kern River Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 154.9 GWh | Jun 1985 | Sep 2025 | Natural Gas |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 82.3 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 59.6 GWh | Nov 1984 | Dec 2024 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 103.1 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Puente Hills Energy Recovery | Los Angeles County Sanitation | Whittier, CA | California Independent System Operator (CISO) | 151.3 GWh | Sep 1986 | Sep 2025 | Landfill Gas |
| Muck Valley Hydroelectric | Brookfield Renewable Trading and Marketing LP | NA, CA | California Independent System Operator (CISO) | 81.8 GWh | Nov 1988 | Dec 2024 | Water |
| Lockhart Solar PV, LLC | Terra-Gen Operating Co-Solar | Hinkley, CA | California Independent System Operator (CISO) | 242.4 GWh | Nov 1989 | Sep 2025 | Solar |
| San Gorgonio Westwinds II LLC | Terra-Gen Operating Co-Wind | North Palm Springs, CA | California Independent System Operator (CISO) | 124.4 GWh | May 1999 | Dec 2024 | Wind |
| Harbor Cogen | Harbor Cogeneration Co. | Wilmington, CA | California Independent System Operator (CISO) | 17.4 GWh | Nov 1988 | Dec 2024 | Natural Gas |
| Ridgetop Energy LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 27.0 GWh | Dec 1983 | Dec 2024 | Wind |
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 23.4 GWh | Mar 1987 | Sep 2025 | Natural Gas |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 245.0 GWh | Jan 1991 | Dec 2024 | Wind |
| Painted Hills Wind Park | Terra-Gen Operating Co-Wind | Whitewater, CA | California Independent System Operator (CISO) | 173.5 GWh | Oct 1985 | Sep 2025 | Wind |
| Victory Garden (Tehachapi) | Wind Stream Operations LLC | Tehachapi, CA | California Independent System Operator (CISO) | 33.0 GWh | Nov 1981 | Dec 2024 | Wind |
| Plant No 1 Orange County | Orange County Sanitation Dist | Fountain Valley, CA | California Independent System Operator (CISO) | 40.3 GWh | May 1993 | Dec 2024 | Other Biomass Gas : 80.1% Natural Gas : 19.9% |
| Bear Mountain Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 32.6 GWh | Mar 1995 | Sep 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% |
| Collins Pine Project | Collins Pine Co | Chester, CA | California Independent System Operator (CISO) | 10.3 GWh | Nov 1985 | Dec 2024 | Wood/Wood Waste Solids |
| High Sierra Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 14.1 GWh | Feb 1989 | Dec 2024 | Natural Gas |
| Kern Front Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 12.2 GWh | Jan 1989 | Dec 2024 | Natural Gas |
| Gosselin Hydro Plant | Humboldt Bay Mun Water Dist | Ruth, CA | California Independent System Operator (CISO) | 5.9 GWh | May 1983 | Dec 2024 | Water |
| Sierra Pacific Lincoln Facility | Sierra Pacific Industries | Lincoln, CA | California Independent System Operator (CISO) | 94.1 GWh | Feb 2004 | Dec 2024 | Wood/Wood Waste Solids |
| Fresno Cogen Partners | Wellhead Services, Inc | San Joaquin, CA | California Independent System Operator (CISO) | 2.4 GWh | Dec 1989 | Dec 2024 | Natural Gas |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 5.0 GWh | Mar 1986 | Nov 2024 | Water |
| Carson Cogeneration | Carson Cogeneration Co | Carson, CA | California Independent System Operator (CISO) | 29.1 GWh | Nov 1989 | Aug 2024 | Natural Gas |
| Childrens Hospital | DTE San Diego COGEN Inc. | San Diego, CA | California Independent System Operator (CISO) | 25.3 GWh | Mar 2000 | Sep 2025 | Natural Gas |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 14.1 GWh | Nov 1984 | Dec 2024 | Wind |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | California Independent System Operator (CISO) | 63.0 GWh | Jan 1980 | Sep 2025 | Natural Gas |
| El Segundo Cogen | Chevron USA Inc-El Segundo | El Segundo, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 1987 | Aug 2025 | Natural Gas : 99.6% |
| Tulare Success Power Project | Lower Tule River Irrgtn Dist | Porterville, CA | California Independent System Operator (CISO) | 1.6 GWh | Nov 1989 | Sep 2024 | Water |
| Haypress | EIF Haypress LLC | Sierra City, CA | California Independent System Operator (CISO) | 17.6 GWh | Nov 1988 | Jun 2024 | Water |
| California Institute of Technology | California Institute-Technology | Pasadena, CA | California Independent System Operator (CISO) | 40.5 GWh | Jul 2003 | Sep 2025 | Natural Gas |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 43.0 GWh | Nov 1990 | Dec 2024 | Water |
| 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 |
| Covanta Stanislaus Energy | Covanta Stanislaus Inc | Crows Landing, CA | California Independent System Operator (CISO) | 61.9 GWh | Aug 1988 | Dec 2024 | Non-biogenic Municipal Solid Waste : 50.0% Biogenic Municipal Solid Waste : 40.9% Distillate Fuel Oil : 9.1% |
| SEGS IX | Terra-Gen Operating Co-Solar | Hinkley, CA | California Independent System Operator (CISO) | 112.0 GWh | Aug 1990 | Sep 2024 | Solar |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 613.4 GWh | Jan 1987 | Sep 2025 | Natural Gas |
| Greenleaf 2 Power Plant | Greenleaf Energy LLC | Yuba City, CA | California Independent System Operator (CISO) | 13.0 GWh | Sep 1989 | Sep 2025 | Natural Gas |
| Greenleaf 1 | Calpine Greenleaf Holding, Inc. | Yuba City, CA | California Independent System Operator (CISO) | 4.1 GWh | Jan 1989 | Dec 2024 | Natural Gas |
| Sycamore Energy LLC | Sycamore Energy LLC | Santee, CA | California Independent System Operator (CISO) | 23.1 GWh | Mar 2004 | Dec 2024 | Landfill Gas |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 83.1 GWh | Aug 1983 | Sep 2025 | Other Gas : 74.7% Waste Heat : 25.3% |
| Berry Cogen Tanne Hills 18 | Berry Petroleum Co | Maricopa, CA | California Independent System Operator (CISO) | 139.3 GWh | Nov 1986 | Sep 2025 | Natural Gas |
| Kingsburg Cogen | KES Kingsburg LP | Kingsburg, CA | California Independent System Operator (CISO) | 11.0 GWh | Nov 1990 | Nov 2024 | Natural Gas |
| Municipal Cogen Plant | Palm Springs City of | Palm Springs, CA | California Independent System Operator (CISO) | 6.5 GWh | Apr 1985 | Sep 2025 | Natural Gas |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 6.1 GWh | Sep 1991 | Sep 2025 | Natural Gas |
| Grossmont Hospital | Sharp Grossmont Hospital | La Mesa, CA | California Independent System Operator (CISO) | 25.5 GWh | Jul 1983 | Dec 2024 | Natural Gas |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 245.2 GWh | May 1985 | Sep 2025 | Natural Gas |
| Sunray 2 | Sunray Energy 2, LLC | Daggett, CA | California Independent System Operator (CISO) | 57.7 GWh | Nov 1984 | Dec 2024 | Solar |
| Sunray 3 | Sunray Energy 3 LLC | Daggett, CA | California Independent System Operator (CISO) | 37.1 GWh | Nov 1985 | Dec 2024 | Solar |
| Argus Cogen Plant | Searles Valley Minerals Operations Inc. | Trona, CA | California Independent System Operator (CISO) | 252.4 GWh | Nov 1947 | Sep 2025 | Bituminous Coal : 94.8% Natural Gas : 5.2% |
| East Portal Generator | Calleguas Mun Water District | Chatsworth, CA | California Independent System Operator (CISO) | 3.9 GWh | Dec 1986 | Dec 2024 | Water |
| 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 |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 279.4 GWh | Jun 1984 | Sep 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 |
| 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 |
| Sycamore Cogeneration | Sycamore Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 304.3 GWh | Nov 1987 | Sep 2025 | Natural Gas |
| 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 |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 13.5 GWh | Dec 1989 | Dec 2024 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 59.8 GWh | Mar 1985 | Dec 2024 | Water |
| Total Energy Facilities | Los Angeles County Sanitation | Carson, CA | California Independent System Operator (CISO) | 160.8 GWh | Dec 1985 | Dec 2024 | Other Biomass Gas : 99.6% |
| Kaweah Delta District Hospital | Kaweah Delta Hospital | Visalia, CA | California Independent System Operator (CISO) | 21.4 GWh | Sep 2008 | Sep 2025 | Natural Gas |
| Gilroy Power Plant | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 44.2 GWh | Sep 1987 | Dec 2024 | Natural Gas |
| Encina Water Pollution Control | Encina Joint Powers Authority | Carlsbad, CA | California Independent System Operator (CISO) | 14.2 GWh | Oct 2008 | Sep 2025 | Other Biomass Gas : 94.8% Natural Gas : 5.2% |
| Dinosaur Point | International Turbine Res Inc | Los Banos, CA | California Independent System Operator (CISO) | 4.9 GWh | Apr 1988 | Jun 2024 | Wind |
| 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 |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | California Independent System Operator (CISO) | 32.9 GWh | Oct 1982 | Dec 2024 | Natural Gas |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.3 TWh | Nov 1987 | Sep 2025 | Natural Gas : 82.0% Other Gas : 17.3% Waste/Other Oil : 0.7% |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 12.6 GWh | Feb 1983 | Oct 2024 | Water |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 3.1 GWh | Sep 1989 | Dec 2024 | Water |
| Oxnard Wastewater Treatment Plant | Oxnard City of | Oxnard, CA | California Independent System Operator (CISO) | 4.2 GWh | Jul 1981 | Sep 2025 | Other Biomass Gas : 95.1% Natural Gas : 4.9% |
| Ellwood | Ellwood Power, LLC | Goleta, CA | California Independent System Operator (CISO) | 2.5 GWh | Jul 1974 | Dec 2024 | 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 |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 10.2 GWh | Dec 1984 | Dec 2024 | Natural Gas |
| San Gorgonio Farms Wind Farm | San Gorgonio Farms Inc | Whitewater, CA | California Independent System Operator (CISO) | 61.3 GWh | Feb 1983 | Dec 2024 | Wind |
| Nacimiento Hydro Project | Monterey Cnty Water Res Agency | Bradley, CA | California Independent System Operator (CISO) | 18.2 GWh | Jun 1987 | Dec 2024 | Water |
| 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% |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 65.9 GWh | Feb 1992 | 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 |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 4.9 GWh | Jan 1985 | Jul 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 |