Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| 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% |
| 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) | 110.1 GWh | Dec 1937 | Sep 2025 | Wood/Wood Waste Solids : 99.8% |
| San Diego State University | San Diego State University | San Diego, CA | California Independent System Operator (CISO) | 52.4 GWh | Aug 2002 | Sep 2025 | Natural Gas : 97.6% Solar : 2.4% |
| 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) | 456.5 GWh | Feb 1984 | Sep 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 |
| 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 |
| 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 |
| 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) | 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 |
| 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 |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 279.4 GWh | Jun 1984 | Sep 2025 | Natural Gas |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 10.2 GWh | Dec 1984 | Dec 2024 | Natural Gas |
| 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% |
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 3.1 GWh | Sep 1989 | Dec 2024 | Water |
| Ellwood | Ellwood Power, LLC | Goleta, CA | California Independent System Operator (CISO) | 2.5 GWh | Jul 1974 | Dec 2024 | Natural Gas |
| Dynegy Oakland Power Plant | Dynegy Oakland, LLC | Oakland, CA | California Independent System Operator (CISO) | 2.7 GWh | Oct 1978 | Sep 2025 | Jet Fuel |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 2001 | Apr 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 |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 29.6 GWh | Oct 1993 | 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 |
| Deadwood Creek | Hydro Sierra Energy, LLC | Dobbins, CA | California Independent System Operator (CISO) | 3.4 GWh | Nov 1993 | May 2024 | Water |
| Lake Mendocino | City of Ukiah - (CA) | Ukiah, CA | California Independent System Operator (CISO) | 12.3 GWh | Apr 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 |
| Geothermal 1 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 368.8 GWh | Dec 1982 | Sep 2025 | Geothermal |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 28.6 GWh | Jun 1958 | Sep 2025 | Distillate Fuel Oil : 94.5% Gaseous Propane : 5.5% |
| Geothermal 2 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 316.7 GWh | Nov 1985 | Sep 2025 | Geothermal |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 331.2 GWh | Dec 1983 | Sep 2025 | 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 |
| Gianera | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 6.2 GWh | May 1986 | Dec 2024 | Natural Gas |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 18.5 TWh | Apr 1985 | Sep 2025 | Nuclear |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 14.9 GWh | Aug 1988 | Dec 2024 | Water |
| Solano Wind | Sacramento Municipal Util Dist | Rio Vista, CA | California Independent System Operator (CISO) | 802.2 GWh | May 1994 | Sep 2025 | Wind |
| Lodi | Northern California Power Agny | Lodi, CA | California Independent System Operator (CISO) | 2.8 GWh | Jan 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 |
| Alameda | Northern California Power Agny | Alameda, CA | California Independent System Operator (CISO) | 3.1 GWh | Apr 1986 | Dec 2024 | Natural Gas |
| 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 |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 19.2 GWh | Jun 1987 | Dec 2024 | Water |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 46.2 GWh | Jul 1996 | Dec 2024 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 36.4 GWh | May 1983 | Dec 2024 | Water |
| Dominguez Plant | Eco Services Corp. | Long Beach, CA | California Independent System Operator (CISO) | 13.7 GWh | Jul 1976 | Dec 2023 | Waste Heat |
| Stockton Biomass | DTE Stockton LLC | Stockton, CA | California Independent System Operator (CISO) | 343.1 GWh | Nov 1987 | Dec 2024 | Wood/Wood Waste Solids : 99.5% |
| Biola University Hybrid | Biola University | La Mirada, CA | California Independent System Operator (CISO) | 12.8 GWh | Mar 1990 | Sep 2025 | Natural Gas |
| Coram Energy LLC (ECT) | Nextera Energy Resources | Tehachapi, CA | California Independent System Operator (CISO) | 17.6 GWh | Apr 2005 | Dec 2024 | Wind |
| Coram Energy LLC | Nextera Energy Resources | Tehachapi, CA | California Independent System Operator (CISO) | 9.5 GWh | Dec 2004 | Dec 2024 | Wind |
| Coram Energy LLC (4.5MW) | Nextera Energy Resources | Tehachapi, CA | California Independent System Operator (CISO) | 9.5 GWh | Nov 1985 | Dec 2024 | Wind |
| Coalinga Cogeneration Facility | Aera Energy LLC-Coalinga | Coalinga, CA | California Independent System Operator (CISO) | 35.9 GWh | May 1988 | Dec 2024 | Natural Gas |
| Three Forks Water Power Project | Grizzly Mountain Ranch | Zenia, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 1984 | Dec 2024 | Water |
| San Gabriel Hydro Project | Los Angeles County-San Gabriel | Azusa, CA | California Independent System Operator (CISO) | 4.9 GWh | Nov 1987 | Apr 2024 | Water |
| Terminus Hydroelectric Project | Eagle Creek Renewable Energy, LLC | Lemon Cove, CA | California Independent System Operator (CISO) | 42.2 GWh | Feb 1990 | Jun 2024 | Water |
| Western Power & Steam Inc | Western Power and Steam II LLC | Bakersfield, CA | California Independent System Operator (CISO) | 25.2 GWh | Feb 1990 | Sep 2025 | Natural Gas |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 17.3 GWh | Dec 1977 | Dec 2024 | Waste Heat |
| Richmond Cogen | Chevron Products Company-Richmond | Richmond, CA | California Independent System Operator (CISO) | 969.6 GWh | Jul 1992 | Sep 2025 | Natural Gas : 97.2% Other Gas : 2.8% |
| Lost Hills Cogeneration Plant | AERA Energy LLC | Lost Hills, CA | California Independent System Operator (CISO) | 9.2 GWh | Sep 1985 | Dec 2024 | Natural Gas |
| Cymric 31X Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 20.2 GWh | Sep 1988 | Dec 2024 | Natural Gas |
| Cymric 6Z Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 33.3 GWh | Jun 1986 | Dec 2024 | Natural Gas |
| Taft 26C Cogen | Chevron USA Inc | Taft, CA | California Independent System Operator (CISO) | 43.4 GWh | Jun 1982 | Sep 2025 | Natural Gas |
| Coalinga 25D Cogen | Chevron USA Inc | Coalinga, CA | California Independent System Operator (CISO) | 42.3 GWh | Sep 1986 | Dec 2024 | Natural Gas |
| Berry Placerita Cogen | Shadow Wolf Energy | Santa Clarita, CA | California Independent System Operator (CISO) | 2.1 GWh | Feb 1990 | Sep 2025 | Natural Gas |
| Plant No 2 Orange County | Orange County Sanitation Dist | Huntington Beach, CA | California Independent System Operator (CISO) | 59.3 GWh | May 1993 | Dec 2024 | Other Biomass Gas : 73.7% Natural Gas : 26.0% |
| Cymric 36W Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 59.2 GWh | Sep 1982 | Dec 2024 | Natural Gas |
| Kern River Eastridge Cogen | Chevron USA Inc | Bakersfield, CA | California Independent System Operator (CISO) | 221.6 GWh | May 1988 | Sep 2025 | Natural Gas |
| MM West Covina | MM West Covina Energy LLC | West Covina, CA | California Independent System Operator (CISO) | 31.0 GWh | May 1993 | Dec 2024 | Landfill Gas : 99.8% |
| Mojave 3/4/5 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 132.8 GWh | Nov 1990 | Dec 2024 | Wind |
| CP Kelco San Diego Plant | CP Kelco US Inc. | San Diego, CA | California Independent System Operator (CISO) | 71.3 GWh | Sep 1983 | Sep 2025 | Natural Gas |
| Aidlin Geothermal Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 81.3 GWh | Apr 1989 | Dec 2024 | Geothermal |
| 85 A | Wind Wall 1 LLC | Tehachapi, CA | California Independent System Operator (CISO) | 71.2 GWh | Dec 1984 | Dec 2024 | Wind |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 67.5 GWh | May 2012 | Dec 2024 | Natural Gas |
| 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 |
| Yuba City Cogen Partners | Wellhead Services, Inc | Yuba City, CA | California Independent System Operator (CISO) | 22.9 GWh | Nov 1990 | Dec 2024 | Natural Gas |
| MM Lopez Energy | MM Lopez Energy LLC | Lake View Terrace, CA | California Independent System Operator (CISO) | 25.5 GWh | Nov 1998 | Dec 2024 | Landfill Gas |
| Ridgetop | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 145.9 GWh | Mar 1994 | Dec 2024 | Wind |
| Monterey One Water | Monterey One Water | Marina, CA | California Independent System Operator (CISO) | 7.3 GWh | Jul 1988 | Dec 2024 | Other Biomass Gas : 74.6% Natural Gas : 25.4% |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 10.1 GWh | Dec 1986 | Dec 2024 | Water |
| Desert Star Energy Center | Desert Star Energy Center SDG&E | Boulder City, NV | California Independent System Operator (CISO) | 546.1 GWh | Apr 2000 | Sep 2025 | Natural Gas |
| Crockett Cogen Project | Crockett Cogeneration | Crockett, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 1995 | Sep 2025 | Natural Gas |
| MM San Diego-Miramar | MM San Diego Energy-Miramar | San Diego, CA | California Independent System Operator (CISO) | 46.1 GWh | Jun 1997 | Dec 2024 | Landfill Gas : 91.9% Other Biomass Gas : 8.1% |
| La Paloma Generating Plant | CXA La Paloma LLC | McKittrick, CA | California Independent System Operator (CISO) | 1.8 TWh | Dec 2002 | Sep 2025 | Natural Gas |
| MM Tulare Energy | MM Tulare Energy LLC | Visalia, CA | California Independent System Operator (CISO) | 9.7 GWh | Apr 1998 | Dec 2023 | Landfill Gas |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 790.0 GWh | Oct 1995 | Sep 2025 | Natural Gas : 96.4% Other Gas : 3.6% |
| Sunrise Power LLC | Sunrise Power Co LLC | Fellows, CA | California Independent System Operator (CISO) | 1.8 TWh | May 2001 | Sep 2025 | Natural Gas |
| Aera San Ardo Cogen Facility | Aera Energy LLC-San Ardo | San Ardo, CA | California Independent System Operator (CISO) | 17.2 GWh | Jun 1989 | Dec 2024 | Natural Gas |
| Los Medanos Energy Center | Los Medanos Energy Center LLC | Pittsburg, CA | California Independent System Operator (CISO) | 2.5 TWh | Jul 2001 | Sep 2025 | Natural Gas |
| Blythe Energy Inc | AltaGas Blythe Operations Inc | Blythe, CA | California Independent System Operator (CISO) | 371.8 GWh | Nov 2003 | Sep 2025 | Natural Gas |
| Delta Energy Center | Delta Energy Center LLC | Pittsburg, CA | California Independent System Operator (CISO) | 3.3 TWh | Apr 2002 | Sep 2025 | Natural Gas |
| Phoenix Wind Power LLC | Avangrid Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 2.8 GWh | May 1999 | Dec 2024 | Wind |
| Otay Mesa Generating Project | Otay Mesa Energy Center LLC | San Diego, CA | California Independent System Operator (CISO) | 1.8 TWh | Sep 2009 | Sep 2025 | Natural Gas |
| Mt Poso Cogeneration | Mt Poso Cogeneration Co | Bakersfield, CA | California Independent System Operator (CISO) | 179.7 GWh | Apr 1989 | Nov 2024 | Wood/Wood Waste Solids : 99.3% Natural Gas : 0.7% |
| Dome Project | Sentinel Peak Resources California, LLC | Fellows, CA | California Independent System Operator (CISO) | 47.5 GWh | Jul 1988 | Dec 2024 | Natural Gas |
| EDF Renewable Windfarm V Inc | EDF Renewable Asset Holdings, Inc. | Birds Landing, CA | California Independent System Operator (CISO) | 20.2 GWh | Dec 1989 | Dec 2024 | Wind |
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 |