Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | California Independent System Operator (CISO) | 38.8 GWh | Feb 1969 | Dec 2025 | Landfill Gas |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 12.3 GWh | Nov 1984 | Dec 2025 | Wind |
| Sycamore Energy LLC | Sycamore Energy LLC | Santee, CA | California Independent System Operator (CISO) | 23.3 GWh | Mar 2004 | Dec 2025 | Landfill Gas |
| Muck Valley Hydroelectric | Malacha Hydro Limited Partnership | NA, CA | California Independent System Operator (CISO) | 89.8 GWh | Nov 1988 | Dec 2025 | Water |
| California Institute of Technology | California Institute-Technology | Pasadena, CA | California Independent System Operator (CISO) | 80.3 GWh | Jul 2003 | Aug 2026 | Natural Gas |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 3.5 GWh | Sep 1991 | Aug 2026 | Natural Gas |
| Sunray 2 | Sunray Energy 2, LLC | Daggett, CA | California Independent System Operator (CISO) | 54.6 GWh | Nov 1984 | Dec 2025 | Solar |
| Burney Forest Products | Burney Forest Products, A Joint Venture | Burney, CA | California Independent System Operator (CISO) | 102.9 GWh | Sep 1989 | Dec 2025 | Wood/Wood Waste Solids : 69.9% Natural Gas : 30.1% |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Collins Pine Project | Collins Pine Co | Chester, CA | California Independent System Operator (CISO) | 15.3 GWh | Nov 1985 | Dec 2025 | Wood/Wood Waste Solids |
| Berry Cogen Tanne Hills 18 | Berry Petroleum Co | Maricopa, CA | California Independent System Operator (CISO) | 137.6 GWh | Nov 1986 | Aug 2026 | Natural Gas |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 62.2 GWh | Aug 1983 | Aug 2026 | Other Gas : 52.0% Waste Heat : 48.0% |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Greenleaf 1 | Calpine Greenleaf Holding, Inc. | Yuba City, CA | California Independent System Operator (CISO) | 2.6 GWh | Jan 1989 | Dec 2025 | Natural Gas |
| Greenleaf 2 Power Plant | Greenleaf Energy LLC | Yuba City, CA | California Independent System Operator (CISO) | 63.8 GWh | Sep 1989 | Jun 2026 | Natural Gas |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 598.3 GWh | Jan 1987 | Aug 2026 | 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% |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 9.5 GWh | Mar 1998 | Dec 2025 | Landfill Gas |
| Ponderosa Bailey Creek | Snow Mountain Hydro LLC | Manton, CA | California Independent System Operator (CISO) | 3.9 GWh | Feb 1990 | Dec 2025 | Water |
| Big Creek Water Works | Big Creek Water Works Ltd | Hyampom, CA | California Independent System Operator (CISO) | 5.5 GWh | Dec 1986 | May 2026 | Water |
| Kyocera International Inc.(San Diego) | Kyocera International, Inc | San Diego, CA | California Independent System Operator (CISO) | 13.7 GWh | Aug 2012 | Dec 2025 | Natural Gas |
| King City Power Plant | Calpine King City Cogen LLC | King City, CA | California Independent System Operator (CISO) | 33.9 GWh | Jan 1989 | Aug 2026 | Natural Gas |
| Gas Utilization Facility | City of San Diego - (CA) | San Diego, CA | California Independent System Operator (CISO) | 26.6 GWh | May 1985 | Aug 2026 | Other Biomass Gas |
| Double C Generation Limited Partnership | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 5.6 GWh | Feb 1989 | Dec 2025 | Natural Gas |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 243.6 GWh | May 1985 | Aug 2026 | Natural Gas |
| Childrens Hospital | DTE San Diego COGEN Inc. | San Diego, CA | California Independent System Operator (CISO) | 26.1 GWh | Mar 2000 | Aug 2026 | Natural Gas |
| Kern Front Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 5.4 GWh | Jan 1989 | Dec 2025 | Natural Gas |
| High Sierra Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 5.6 GWh | Feb 1989 | Dec 2025 | Natural Gas |
| Argus Cogen Plant | Searles Valley Minerals Operations Inc. | Trona, CA | California Independent System Operator (CISO) | 134.6 GWh | Nov 1947 | Aug 2026 | Bituminous Coal : 63.8% Natural Gas : 36.2% |
| Karen Avenue Wind Farm | San Gorgonio Farms Inc | North Palm Springs, CA | California Independent System Operator (CISO) | 26.0 GWh | Dec 1984 | Dec 2025 | Wind |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 1.3 GWh | Apr 2001 | Oct 2025 | Water |
| Edom Hills Project 1 LLC | Edom Hills Project 1 LLC | Cathedral City, CA | California Independent System Operator (CISO) | 4.8 GWh | Aug 2008 | Jun 2025 | Wind |
| 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) | 160.7 GWh | Oct 1985 | Aug 2026 | Wind |
| Oxnard | Procter&Gamble Paper Products Co-Oxnard | Oxnard, CA | California Independent System Operator (CISO) | 426.4 GWh | Jun 1982 | Aug 2026 | Natural Gas |
| Mesa Wind Power LLC | Mesa Wind Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 116.7 GWh | Oct 1984 | Aug 2026 | Wind |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 211.5 GWh | Jan 1991 | Dec 2025 | Wind |
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 24.2 GWh | Mar 1987 | Aug 2026 | Natural Gas |
| Lost Creek I | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 5.9 GWh | Nov 1989 | Dec 2025 | Water |
| Harbor Cogen | Harbor Cogeneration Co. | Wilmington, CA | California Independent System Operator (CISO) | 9.3 GWh | Nov 1988 | Nov 2025 | Natural Gas |
| Cove Hydroelectric | Snow Mountain Hydro LLC | Burney, CA | California Independent System Operator (CISO) | 17.4 GWh | Jan 1990 | Dec 2025 | Water |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 14.2 GWh | Aug 1986 | Dec 2025 | Water |
| Salka Cabazon Wind | Salka Cabazon Wind LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 12.8 GWh | Dec 1998 | Dec 2025 | Wind |
| Bear Creek (CA) | Central Rivers Power US, LLC | Shingletown, CA | California Independent System Operator (CISO) | 6.5 GWh | Dec 1989 | Dec 2025 | Water |
| Ridgetop Energy LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 24.5 GWh | Dec 1983 | Dec 2025 | Wind |
| Sierra Pacific Burney Facility | Sierra Pacific Industries | Burney, CA | California Independent System Operator (CISO) | 95.1 GWh | Sep 1986 | Dec 2025 | Wood/Wood Waste Solids |
| Sierra Pacific Quincy Facility | Sierra Pacific Industries | Quincy, CA | California Independent System Operator (CISO) | 201.5 GWh | Nov 1986 | Dec 2025 | Wood/Wood Waste Solids |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 257.3 GWh | Jun 1984 | Aug 2026 | Natural Gas |
| Indian Valley Dam Hydro Project | Yolo County Flood Control WCD | Clearlake Oaks, CA | California Independent System Operator (CISO) | 11.2 GWh | Sep 1983 | Aug 2025 | Water |
| Sycamore Cogeneration | Sycamore Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 140.8 GWh | Nov 1987 | Aug 2026 | Natural Gas |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 148.0 GWh | Nov 1984 | Dec 2025 | Wind |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | California Independent System Operator (CISO) | 59.1 GWh | Jan 1980 | Aug 2026 | Natural Gas |
| Encina Water Pollution Control | Encina Joint Powers Authority | Carlsbad, CA | California Independent System Operator (CISO) | 14.3 GWh | Oct 2008 | Aug 2026 | Other Biomass Gas : 94.2% Natural Gas : 5.8% |
| Berry Cogen | Berry Petroleum Co | Taft, CA | California Independent System Operator (CISO) | 9.5 GWh | Nov 1986 | May 2026 | Natural Gas |
| Grossmont Hospital | Sharp Grossmont Hospital | La Mesa, CA | California Independent System Operator (CISO) | 29.2 GWh | Jul 1983 | Dec 2025 | Natural Gas |
| Woodland Biomass Power Ltd | DTE Energy Services-Woodland | Woodland, CA | California Independent System Operator (CISO) | 161.9 GWh | Aug 1989 | Dec 2025 | Wood/Wood Waste Solids : 99.5% |
| Olsen | Olsen Power Partners | Whitmore, CA | California Independent System Operator (CISO) | 15.3 GWh | Dec 1989 | Dec 2025 | Water |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | California Independent System Operator (CISO) | 28.8 GWh | Oct 1982 | Mar 2025 | Natural Gas |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.4 TWh | Nov 1987 | Aug 2026 | Natural Gas : 77.1% Other Gas : 22.7% |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 11.3 GWh | Feb 1983 | Dec 2025 | Water |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 2.5 GWh | Sep 1989 | Dec 2025 | Water |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 124.1 GWh | Dec 1937 | Aug 2026 | Wood/Wood Waste Solids : 99.9% |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 21.8 GWh | Nov 1986 | Dec 2025 | Water |
| Chalk Cliff Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 2.3 GWh | Feb 1990 | Aug 2026 | Natural Gas |
| Kaweah Delta District Hospital | Kaweah Delta Hospital | Visalia, CA | California Independent System Operator (CISO) | 21.6 GWh | Sep 2008 | Aug 2026 | Natural Gas |
| Roaring Creek Water Power | Shasta Hydroelectric Inc | Montgomery Creek, CA | California Independent System Operator (CISO) | 6.0 GWh | Nov 1986 | Dec 2025 | Water |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 11.8 GWh | Feb 1987 | Dec 2025 | Water |
| Gilroy Power Plant | Calpine Gilroy Cogen LP | Gilroy, CA | California Independent System Operator (CISO) | 21.1 GWh | Sep 1987 | Dec 2025 | Natural Gas |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 27.0 GWh | Apr 1989 | Nov 2025 | Water |
| Coso Energy Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 235.0 GWh | Nov 1988 | Dec 2025 | Geothermal |
| Fresno Cogen Partners | Wellhead Services, Inc | San Joaquin, CA | California Independent System Operator (CISO) | 840.0 MWh | Dec 1989 | Dec 2025 | Natural Gas |
| San Diego State University | San Diego State University | San Diego, CA | California Independent System Operator (CISO) | 59.1 GWh | Aug 2002 | Jul 2026 | Natural Gas : 97.5% Solar : 2.5% |
| University of California Santa Cruz | University of California Santa Cruz | Santa Cruz, CA | California Independent System Operator (CISO) | 33.5 GWh | Aug 2013 | Dec 2025 | Natural Gas : 91.4% Solar : 8.6% |
| Calistoga Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 450.7 GWh | Feb 1984 | Aug 2026 | Geothermal |
| Coso Power Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 313.5 GWh | Oct 1989 | Aug 2026 | Geothermal |
| Coso Finance Partners | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 353.4 GWh | Jun 1987 | Aug 2026 | Geothermal |
| Total Energy Facilities | Los Angeles County Sanitation | Carson, CA | California Independent System Operator (CISO) | 156.5 GWh | Dec 1985 | Dec 2025 | Other Biomass Gas : 94.7% Natural Gas : 5.3% |
| El Segundo Cogen | Chevron USA Inc-El Segundo | El Segundo, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 1987 | Aug 2026 | Natural Gas : 99.9% |
| 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 |
| Rio Bravo Rocklin | Rio Bravo Rocklin | Lincoln, CA | California Independent System Operator (CISO) | 147.0 GWh | May 1989 | Dec 2025 | Wood/Wood Waste Solids : 99.0% Natural Gas : 1.0% |
| Wadham Energy | Wadham Energy LP | Williams, CA | California Independent System Operator (CISO) | 144.5 GWh | Feb 1989 | Dec 2025 | Agricultural By-Products : 99.7% |
| AltaGas Ripon Energy Inc. | AltaGas Ripon Energy Inc. | Ripon, CA | California Independent System Operator (CISO) | 1.8 GWh | Mar 1988 | Aug 2026 | Natural Gas |
| Oxnard Wastewater Treatment Plant | City of Oxnard - (CA) | Oxnard, CA | California Independent System Operator (CISO) | 2.4 GWh | Jul 1981 | Aug 2026 | Other Biomass Gas : 99.9% |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 1.8 GWh | Jan 1985 | Jun 2025 | Water |
| E F Oxnard Energy Facility | EF Oxnard, LLC | Oxnard, CA | California Independent System Operator (CISO) | 7.7 GWh | May 1990 | Jul 2026 | Natural Gas |
| Forks of Butte Hydro Project | Hypower Energy, LLC | Magalia, CA | California Independent System Operator (CISO) | 58.2 GWh | Feb 1992 | Dec 2025 | Water |
| Isabella Hydro Project | Isabella Partners | Lake Isabella, CA | California Independent System Operator (CISO) | 32.1 GWh | Nov 1990 | Dec 2025 | Water |
| Nacimiento Hydro Project | Monterey Cnty Water Res Agency | Bradley, CA | California Independent System Operator (CISO) | 11.8 GWh | Jun 1987 | Dec 2025 | Water |
| HL Power | HL Power Company | Wendel, CA | California Independent System Operator (CISO) | 196.4 GWh | Jun 1989 | Dec 2025 | Wood/Wood Waste Solids : 99.4% Natural Gas : 0.6% |
| Sierra Pacific Lincoln Facility | Sierra Pacific Industries | Lincoln, CA | California Independent System Operator (CISO) | 80.1 GWh | Feb 2004 | Dec 2025 | Wood/Wood Waste Solids |
| Kern River Cogeneration | Kern River Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 79.9 GWh | Jun 1985 | Aug 2026 | Natural Gas |
| East Portal Generator | Calleguas Mun Water District | Chatsworth, CA | California Independent System Operator (CISO) | 4.7 GWh | Dec 1986 | Dec 2025 | Water |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 73.5 GWh | Mar 1985 | Dec 2025 | Water |
| Badger Creek Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 3.1 GWh | Mar 1991 | Aug 2026 | Natural Gas |
| Sand Bar Power Plant | Tri-Dam Power Authority | Stanislaus Ntl. Fores, CA | California Independent System Operator (CISO) | 82.5 GWh | Apr 1986 | Dec 2025 | Water |
| Whitewater Hydro Plant | Desert Water Agency | California, CA | California Independent System Operator (CISO) | 4.9 GWh | Mar 1986 | Dec 2025 | Water |
| San Jose Cogeneration | San Jose State University Fclts Dev &Ops | San Jose, CA | California Independent System Operator (CISO) | 35.2 GWh | Nov 1984 | Aug 2026 | Natural Gas |
| Bear Mountain Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 38.2 GWh | Mar 1995 | Aug 2026 | Natural Gas |
| Tulare Success Power Project | Lower Tule River Irrgtn Dist | Porterville, CA | California Independent System Operator (CISO) | 1.3 GWh | Nov 1989 | Aug 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 |