Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Nelson Creek | Nelson Creek Power Inc | Big Bend, CA | California Independent System Operator (CISO) | 2.5 GWh | Sep 1989 | Dec 2025 | Water |
| AltaGas Ripon Energy Inc. | AltaGas Ripon Energy Inc. | Ripon, CA | California Independent System Operator (CISO) | 1.1 GWh | Mar 1988 | Apr 2026 | Natural Gas |
| Site 980 65 | Madera-Chowchilla Power Auth | Madera, CA | California Independent System Operator (CISO) | 1.8 GWh | Jan 1985 | Jun 2025 | Water |
| San Dimas Wash Generating Station | San Gabriel Valley Mun Wtr Dt | San Dimas, CA | California Independent System Operator (CISO) | 1.2 GWh | Feb 1986 | Sep 2025 | Water |
| San Antonio Regional Hospital | San Antonio Regional Hospital | Upland, CA | California Independent System Operator (CISO) | 12.7 GWh | Dec 1984 | Dec 2025 | Natural Gas |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 595.6 GWh | Jan 1987 | May 2026 | Natural Gas |
| Greenleaf 2 Power Plant | Greenleaf Energy LLC | Yuba City, CA | California Independent System Operator (CISO) | 63.8 GWh | Sep 1989 | May 2026 | Natural Gas |
| Greenleaf 1 | Calpine Greenleaf Holding, Inc. | Yuba City, CA | California Independent System Operator (CISO) | 2.6 GWh | Jan 1989 | Dec 2025 | Natural Gas |
| Kingsburg Cogen | KES Kingsburg LP | Kingsburg, CA | California Independent System Operator (CISO) | 8.4 GWh | Nov 1990 | Sep 2025 | Natural Gas |
| San Gorgonio Farms Wind Farm | San Gorgonio Farms Inc | Whitewater, CA | California Independent System Operator (CISO) | 51.7 GWh | Feb 1983 | 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 |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| B Braun Medical | B Braun Medical Inc | Irvine, CA | California Independent System Operator (CISO) | 28.8 GWh | Oct 1982 | Mar 2025 | 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 |
| Loma Linda University Cogen | Loma Linda University | Loma Linda, CA | California Independent System Operator (CISO) | 59.9 GWh | Jan 1980 | May 2026 | Natural Gas |
| New-Indy Ontario Mill | New-Indy Ontario LLC | Ontario, CA | California Independent System Operator (CISO) | 247.7 GWh | May 1985 | May 2026 | Natural Gas |
| El Segundo Cogen | Chevron USA Inc-El Segundo | El Segundo, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 1987 | May 2026 | Natural Gas : 99.8% |
| Friant Hydro Facility | Friant Power Authority | Friant, CA | California Independent System Operator (CISO) | 73.5 GWh | Mar 1985 | Dec 2025 | Water |
| Tehachapi Wind Resource I | CalWind Resources Inc | Tehachapi, CA | California Independent System Operator (CISO) | 12.3 GWh | Nov 1984 | Dec 2025 | Wind |
| Watson Cogeneration | ARCO Products Co-Watson | Carson, CA | California Independent System Operator (CISO) | 2.4 TWh | Nov 1987 | May 2026 | Natural Gas : 76.2% Other Gas : 23.1% Waste/Other Oil : 0.7% |
| 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% |
| Wadham Energy | Wadham Energy LP | Williams, CA | California Independent System Operator (CISO) | 144.5 GWh | Feb 1989 | Dec 2025 | Agricultural By-Products : 99.7% |
| Tulare Success Power Project | Lower Tule River Irrgtn Dist | Porterville, CA | California Independent System Operator (CISO) | 1.3 GWh | Nov 1989 | Aug 2025 | Water |
| East Portal Generator | Calleguas Mun Water District | Chatsworth, CA | California Independent System Operator (CISO) | 4.7 GWh | Dec 1986 | Dec 2025 | Water |
| Frankenheimer Power Plant | Turlock Irrigation District | Oakdale, CA | California Independent System Operator (CISO) | 11.3 GWh | Feb 1983 | 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 |
| Cameron Ridge LLC | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 148.0 GWh | Nov 1984 | Dec 2025 | Wind |
| Mesa Wind Power LLC | Mesa Wind Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 113.7 GWh | Oct 1984 | May 2026 | Wind |
| 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% |
| E F Oxnard Energy Facility | EF Oxnard, LLC | Oxnard, CA | California Independent System Operator (CISO) | 7.8 GWh | May 1990 | May 2026 | Natural Gas |
| Pacific-Ultrapower Chinese Station | IHI Power Services Corp | Jamestown, CA | California Independent System Operator (CISO) | 101.9 GWh | Sep 1986 | May 2026 | Wood/Wood Waste Solids : 98.5% Gaseous Propane : 1.5% |
| 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% |
| 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 |
| Ellwood | Ellwood Power, LLC | Goleta, CA | California Independent System Operator (CISO) | 305.0 MWh | Jul 1974 | Dec 2025 | Natural Gas |
| 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 |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 1.3 GWh | Apr 2001 | Oct 2025 | Water |
| 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) | 158.0 GWh | Oct 1985 | May 2026 | Wind |
| Chalk Cliff Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 3.0 GWh | Feb 1990 | May 2026 | Natural Gas |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 118.0 GWh | Dec 1937 | May 2026 | Wood/Wood Waste Solids : 99.9% |
| Salka Cabazon Wind | Salka Cabazon Wind LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 12.8 GWh | Dec 1998 | Dec 2025 | Wind |
| Bowman | Nevada Irrigation District | Nevada City, CA | California Independent System Operator (CISO) | 14.2 GWh | Aug 1986 | Dec 2025 | Water |
| 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% |
| Sky River Wind Energy Center | Sky River Wind LLC | Tehachapi, CA | California Independent System Operator (CISO) | 211.5 GWh | Jan 1991 | Dec 2025 | Wind |
| Harbor Cogen | Harbor Cogeneration Co. | Wilmington, CA | California Independent System Operator (CISO) | 9.3 GWh | Nov 1988 | Nov 2025 | Natural Gas |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Rio Bravo Hydro Project | Olcese Water District | Bakersfield, CA | California Independent System Operator (CISO) | 27.0 GWh | Apr 1989 | Nov 2025 | Water |
| SRI International Cogen Project | IPT SRI Cogeneration Inc | Menlo Park, CA | California Independent System Operator (CISO) | 24.1 GWh | Mar 1987 | May 2026 | Natural Gas |
| Coso Finance Partners | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 363.8 GWh | Jun 1987 | May 2026 | Geothermal |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 4.4 GWh | Sep 1991 | Mar 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 |
| Calistoga Power Plant | Geysers Power Co LLC | Middletown, CA | California Independent System Operator (CISO) | 453.8 GWh | Feb 1984 | May 2026 | Geothermal |
| High Sierra Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 5.6 GWh | Feb 1989 | Dec 2025 | Natural Gas |
| Berry Cogen Tanne Hills 18 | Berry Petroleum Co | Maricopa, CA | California Independent System Operator (CISO) | 138.7 GWh | Nov 1986 | May 2026 | Natural Gas |
| Coso Energy Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 235.0 GWh | Nov 1988 | Dec 2025 | Geothermal |
| 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 |
| Coso Power Developers | Coso Operating Co LLC | Inyokern, CA | California Independent System Operator (CISO) | 315.8 GWh | Oct 1989 | May 2026 | Geothermal |
| San Diego State University | San Diego State University | San Diego, CA | California Independent System Operator (CISO) | 56.5 GWh | Aug 2002 | May 2026 | Natural Gas : 97.4% Solar : 2.6% |
| Torrance Refining Company, LLC | Torrance Refining Company, LLC | Torrance, CA | California Independent System Operator (CISO) | 72.9 GWh | Aug 1983 | May 2026 | Other Gas : 61.0% Waste Heat : 39.0% |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 21.8 GWh | Nov 1986 | Dec 2025 | Water |
| 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% |
| 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% |
| 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 |
| Roaring Creek Water Power | Shasta Hydroelectric Inc | Montgomery Creek, CA | California Independent System Operator (CISO) | 6.0 GWh | Nov 1986 | Dec 2025 | Water |
| 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 |
| Altamont Gas Recovery | WM Renewable Energy LLC | Livermore, CA | California Independent System Operator (CISO) | 38.8 GWh | Feb 1969 | Dec 2025 | Landfill Gas |
| US Borax | U S Borax Inc | Boron, CA | California Independent System Operator (CISO) | 255.4 GWh | Jun 1984 | May 2026 | Natural Gas |
| Yorba Linda | Metropolitan Water District of S CA | Yorba Linda, CA | California Independent System Operator (CISO) | 9.4 GWh | Oct 1981 | Nov 2025 | Water |
| Deadwood Creek | Hydro Sierra Energy, LLC | Dobbins, CA | California Independent System Operator (CISO) | 2.1 GWh | Nov 1993 | Dec 2025 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 40.7 GWh | May 1983 | Dec 2025 | Water |
| Geothermal 2 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 363.4 GWh | Nov 1985 | Apr 2026 | Geothermal |
| Geothermal 1 | Northern California Power Agny | Middletown, CA | California Independent System Operator (CISO) | 307.7 GWh | Dec 1982 | May 2026 | Geothermal |
| Pebbly Beach Generating Station Hybrid | Southern California Edison Co | Avalon, CA | California Independent System Operator (CISO) | 27.6 GWh | Jun 1958 | May 2026 | Distillate Fuel Oil : 95.0% Gaseous Propane : 5.0% |
| Dynegy Oakland Power Plant | Dynegy Oakland, LLC | Oakland, CA | California Independent System Operator (CISO) | 1.6 GWh | Oct 1978 | May 2026 | Jet Fuel |
| San Dimas | Metropolitan Water District of S CA | San Dimas, CA | California Independent System Operator (CISO) | 10.3 GWh | May 1981 | Sep 2025 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 5.8 GWh | Jul 1980 | Oct 2025 | Water |
| Lake Mendocino | City of Ukiah - (CA) | Ukiah, CA | California Independent System Operator (CISO) | 12.3 GWh | Apr 1987 | Dec 2025 | Water |
| Diablo Canyon | Pacific Gas & Electric Co. | Avila Beach, CA | California Independent System Operator (CISO) | 18.4 TWh | Apr 1985 | May 2026 | Nuclear |
| W E Warne | California Dept. of Water Resources | Gorman, CA | California Independent System Operator (CISO) | 211.0 GWh | Oct 1982 | Dec 2025 | Water |
| Grizzly | City of Santa Clara - (CA) | N/A, CA | California Independent System Operator (CISO) | 43.3 GWh | Oct 1993 | Dec 2025 | Water |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 771.0 MWh | Feb 1903 | Dec 2025 | Water |
| Lodi | Northern California Power Agny | Lodi, CA | California Independent System Operator (CISO) | 1.9 GWh | Jan 1986 | Dec 2025 | Natural Gas |
| Solano Wind | Sacramento Municipal Util Dist | Rio Vista, CA | California Independent System Operator (CISO) | 723.8 GWh | May 1994 | May 2026 | Wind |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 46.1 GWh | Jul 1996 | Dec 2025 | Water |
| Thermalito Diverson Dam | California Dept. of Water Resources | Oroville, CA | California Independent System Operator (CISO) | 10.3 GWh | Jun 1987 | Dec 2025 | Water |
| Gianera | City of Santa Clara - (CA) | Santa Clara, CA | California Independent System Operator (CISO) | 15.1 GWh | May 1986 | Dec 2025 | Natural Gas |
| Alameda | Northern California Power Agny | Alameda, CA | California Independent System Operator (CISO) | 3.0 GWh | Apr 1986 | Dec 2025 | Natural Gas |
| Black Butte | City of Santa Clara - (CA) | Orland, CA | California Independent System Operator (CISO) | 9.0 GWh | Aug 1988 | Dec 2025 | Water |
| Stony Gorge | City of Santa Clara - (CA) | Elk Creek, CA | California Independent System Operator (CISO) | 8.9 GWh | Mar 1986 | Dec 2025 | Water |
| Pine Flat | Kings River Conservation Dist | Piedra, CA | California Independent System Operator (CISO) | 353.0 GWh | Dec 1983 | May 2026 | Water |
| Goal Line LP | Goal Line LP | Escondido, CA | California Independent System Operator (CISO) | 11.7 GWh | Jul 1994 | May 2026 | Natural Gas |
| Cymric 36W Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 53.4 GWh | Sep 1982 | Dec 2025 | Natural Gas |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 61.2 GWh | May 2012 | Dec 2025 | Natural Gas |
| Plant No 2 Orange County | Orange County Sanitation Dist - (CA) | Huntington Beach, CA | California Independent System Operator (CISO) | 46.9 GWh | May 1993 | Dec 2025 | Other Biomass Gas : 77.2% Natural Gas : 22.8% |
| Lost Hills Cogeneration Plant | AERA Energy LLC | Lost Hills, CA | California Independent System Operator (CISO) | 7.5 GWh | Sep 1985 | Dec 2025 | Natural Gas |
| Berry Placerita Cogen | Shadow Wolf Energy | Santa Clarita, CA | California Independent System Operator (CISO) | 4.5 GWh | Feb 1990 | May 2026 | Natural Gas |
| Coalinga 25D Cogen | Chevron USA Inc | Coalinga, CA | California Independent System Operator (CISO) | 38.9 GWh | Sep 1986 | Dec 2025 | Natural Gas |
| Taft 26C Cogen | Chevron USA Inc | Taft, CA | California Independent System Operator (CISO) | 43.2 GWh | Jun 1982 | May 2026 | Natural Gas |
| Cymric 6Z Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 26.6 GWh | Jun 1986 | Dec 2025 | Natural Gas |
| Cymric 31X Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 17.5 GWh | Sep 1988 | Dec 2025 | Natural Gas |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |