Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mauka FIT One | Valta Energy | Kahuku, HI | 6.2 GWh | Sep 2020 | Dec 2023 | Solar | |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 104.8 GWh | Feb 2007 | Dec 2023 | Wind |
| McGrath | McGrath Light & Power Co | McGrath, AK | 2.0 GWh | Nov 1988 | Dec 2023 | Distillate Fuel Oil | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 587.9 GWh | Nov 1971 | Mar 2025 | Distillate Fuel Oil | |
| Morris Ridge Solar | Morris Ridge Solar Energy Center, LLC | Livingston County, NY | 64.2 GWh | - | Mar 2025 | Solar | |
| Mililani South Solar Farm | Mililani I Solar LLC | Mililani, HI | 62.5 GWh | Jun 2022 | Mar 2025 | Solar | |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2023 | Distillate Fuel Oil | |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.6 GWh | May 1994 | Dec 2023 | Distillate Fuel Oil | |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 120.9 GWh | Jun 2023 | Mar 2025 | Solar |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 2.9 GWh | Nov 2022 | Dec 2023 | Solar |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 87.3 GWh | Apr 2003 | Dec 2023 | Natural Gas |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 59.0 MWh | Jan 2002 | Dec 2023 | Distillate Fuel Oil |
| Montague Wind Power Facility LLC | Avangrid Renewables LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 504.5 GWh | Oct 2019 | Mar 2025 | Wind |
| Montague Solar | Avangrid Renewables LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 335.6 GWh | Mar 2023 | Mar 2025 | Solar |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.1 GWh | Nov 1992 | Dec 2023 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.8 GWh | May 1915 | Dec 2023 | Water |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 1.3 GWh | Jun 1980 | Dec 2023 | Natural Gas : 61.0% Distillate Fuel Oil : 39.0% |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 2.5 GWh | Feb 1986 | Dec 2023 | Natural Gas |
| McKinley Paper Co. - Washington Mill | McKinley Paper Co. - Washington Mill | Port Angeles, WA | Bonneville Power Administration (BPAT) | 36.2 GWh | Sep 2013 | Dec 2023 | Wood/Wood Waste Solids : 99.8% |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.6 TWh | Nov 1953 | Dec 2023 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 16.0 GWh | Nov 1921 | Dec 2023 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 59.4 GWh | May 1927 | Dec 2023 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD | Plymouth, WA | Bonneville Power Administration (BPAT) | 73.8 GWh | Oct 1997 | Dec 2023 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.2 GWh | Feb 1986 | Dec 2023 | Water |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 787.9 GWh | Oct 1995 | Mar 2025 | Natural Gas : 96.0% Other Gas : 4.0% |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 15.6 GWh | Dec 1977 | Dec 2023 | Waste Heat |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 32.4 GWh | May 1983 | Dec 2023 | Water |
| Moonlight Packing - Phase 2 | CalCom Energy | Reedley, CA | California Independent System Operator (CISO) | 2.7 GWh | May 2019 | Dec 2023 | Solar |
| Morelos del Sol | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 29.5 GWh | Oct 2015 | Dec 2023 | Solar |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 8.4 GWh | Dec 1986 | Dec 2023 | Water |
| Montezuma Wind II | NextEra Energy Montezuma Wind II, LLC | Birds Landing, CA | California Independent System Operator (CISO) | 196.6 GWh | Dec 2011 | Dec 2023 | Wind |
| Monterey Regional Water Pollution Control Agency | Tesla Inc. | Marina, CA | California Independent System Operator (CISO) | 1.1 GWh | Nov 2010 | Dec 2023 | Solar |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 118.9 GWh | Apr 2013 | Mar 2025 | Natural Gas |
| Monterey One Water | Monterey One Water | Marina, CA | California Independent System Operator (CISO) | 7.8 GWh | Jul 1988 | Dec 2023 | Other Biomass Gas : 81.7% Natural Gas : 18.3% |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | California Independent System Operator (CISO) | 688.0 MWh | Aug 2015 | Dec 2023 | Solar |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 240.9 GWh | Nov 2020 | Mar 2025 | Solar |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | California Independent System Operator (CISO) | 19.9 GWh | Nov 2017 | Dec 2023 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 57.7 GWh | Nov 1984 | Dec 2023 | Geothermal |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 302.4 GWh | Nov 2021 | Mar 2025 | Solar |
| Mountain View IV | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 175.1 GWh | Jan 2012 | Dec 2023 | Wind |
| Malech Solar Farm | County of Santa Clara (CA) | San Jose, CA | California Independent System Operator (CISO) | 5.3 GWh | Sep 2017 | Dec 2023 | Solar |
| Malburg | City of Vernon | Vernon, CA | California Independent System Operator (CISO) | 361.9 GWh | Sep 2005 | Mar 2025 | Natural Gas |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 62.3 GWh | Nov 1990 | Dec 2023 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 104.0 GWh | Nov 1990 | Dec 2023 | Geothermal |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 8.5 GWh | Sep 2016 | Dec 2023 | Solar |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | California Independent System Operator (CISO) | 444.0 MWh | Nov 2017 | Dec 2023 | Solar |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 394.2 GWh | Feb 1960 | Mar 2025 | Water |
| Madera 1 PV | ZGlobal Inc | Madera, CA | California Independent System Operator (CISO) | 2.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Mariposa Energy Project | Diamond Generating Corporation | Byron, CA | California Independent System Operator (CISO) | 74.3 GWh | Sep 2012 | Mar 2025 | Natural Gas |
| Mountain View III | Avangrid Renewables LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 68.7 GWh | Nov 2003 | Dec 2023 | Wind |
| Mountain View I & II | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 285.1 GWh | May 2001 | Mar 2025 | Wind |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 699.4 GWh | Jan 1987 | Feb 2025 | Natural Gas |
| Mount Signal Solar Farm V | Imperial Valley Solar 3, LLC | Calexico, CA | California Independent System Operator (CISO) | 644.7 GWh | Oct 2018 | Mar 2025 | Solar |
| Mount Signal Solar Farm II | MN8 Energy LLC | Calexico, CA | California Independent System Operator (CISO) | 408.6 GWh | Dec 2019 | Mar 2025 | Solar |
| Mariani Packing Vacaville Solar | SunE U6 Holdings LLC | Vacaville, CA | California Independent System Operator (CISO) | 891.0 MWh | Oct 2008 | Dec 2023 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 40.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Malaga Power LLC | CalPeak Power, LLC | Fresno, CA | California Independent System Operator (CISO) | 14.1 GWh | Aug 2005 | Mar 2025 | Natural Gas |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 34.0 GWh | Mar 1998 | Dec 2023 | Landfill Gas |
| Marina South | Altus Power America Management, LLC | San Pedro, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2020 | Dec 2023 | Solar |
| Midway Sunset Cogen | Midway-Sunset Cogeneration Co | Fellows, CA | California Independent System Operator (CISO) | 254.9 GWh | Apr 1989 | Mar 2025 | Natural Gas |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 4.1 GWh | Nov 2014 | Dec 2023 | Solar |
| Mission College Blvd. Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | California Independent System Operator (CISO) | 38.2 GWh | Nov 2017 | Dec 2023 | Natural Gas |
| Miramar Energy Facility | San Diego Gas & Electric Co | San Diego, CA | California Independent System Operator (CISO) | 12.0 GWh | May 2005 | Feb 2025 | Natural Gas |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 11.2 GWh | Aug 2007 | Dec 2023 | Natural Gas |
| Mira Loma | Costco Wholesale | Mira Loma, CA | California Independent System Operator (CISO) | 2.7 GWh | Oct 2011 | Dec 2023 | Solar |
| Medline Ind. Phase 2 Tracy | EnterSolar | Tracy, CA | California Independent System Operator (CISO) | 2.0 GWh | Mar 2018 | Dec 2023 | Solar |
| Merced 1 PV | ZGlobal Inc | Los Banos, CA | California Independent System Operator (CISO) | 7.3 GWh | Mar 2018 | Dec 2023 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 4.1 GWh | Nov 2014 | Dec 2023 | Solar |
| Mill Creek 3 | Southern California Edison Co | Mill Creek, CA | California Independent System Operator (CISO) | 10.5 GWh | Feb 1903 | Dec 2023 | Water |
| Meridian Vineyards | CVI CleanCapital Solar 1 LLC | Paso Robles, CA | California Independent System Operator (CISO) | 1.4 GWh | Nov 2010 | Dec 2023 | Solar |
| Mitchell Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 2.6 GWh | Nov 2014 | Dec 2023 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 83.0 GWh | - | Mar 2025 | Wind |
| Midway Peaking LLC | CalPeak Power, LLC | Firebaugh, CA | California Independent System Operator (CISO) | 25.7 GWh | Apr 2009 | Nov 2023 | Natural Gas |
| Mesquite Solar 1 | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 403.9 GWh | Oct 2011 | Dec 2023 | Solar |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 293.4 GWh | Nov 2016 | Mar 2025 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 459.1 GWh | Nov 2016 | Mar 2025 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 151.1 GWh | - | Mar 2025 | Solar : 99.9% |
| Metcalf Energy Center | Calpine Corp - Metcalf Energy Center | San Jose, CA | California Independent System Operator (CISO) | 2.4 TWh | May 2005 | Mar 2025 | Natural Gas |
| Middle Fork | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 458.4 GWh | Sep 1966 | Mar 2025 | Water |
| Micro Santa Clara | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 14.7 GWh | Jun 2018 | Dec 2023 | Natural Gas |
| Mojave 3/4/5 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 83.2 GWh | Nov 1990 | Dec 2023 | Wind |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 375.5 GWh | Nov 2020 | Mar 2025 | Solar |
| Maxim | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 6.6 GWh | Jul 2014 | Dec 2023 | Natural Gas |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | California Independent System Operator (CISO) | 41.3 GWh | Jan 2003 | Dec 2023 | Natural Gas |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 524.7 GWh | Jul 2015 | Dec 2023 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 488.6 GWh | Nov 2023 | Mar 2025 | Solar |
| McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 62.6 GWh | - | Mar 2025 | Solar |
| Mojave Solar Project | Mojave Solar LLC | Hinkley, CA | California Independent System Operator (CISO) | 600.3 GWh | Nov 2014 | Mar 2025 | Solar |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 69.6 GWh | Jul 1996 | Dec 2023 | Water |
| McGrath Peaker | Southern California Edison Co | Oxnard, CA | California Independent System Operator (CISO) | 11.4 GWh | Oct 2012 | Dec 2023 | Natural Gas |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 238.7 GWh | Oct 2021 | Mar 2025 | Solar |
| Mojave 16/17/18 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 53.9 GWh | Nov 1989 | Dec 2023 | Wind |
| Moccasin | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 277.9 GWh | Jul 1969 | Mar 2025 | Water |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 58.5 GWh | May 2012 | Dec 2023 | Natural Gas |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 10.4 GWh | Sep 1991 | Mar 2025 | Natural Gas |
| MM Yolo Power | Yolo County Community Services Department | Woodland, CA | California Independent System Operator (CISO) | 17.9 GWh | Sep 1990 | Dec 2023 | Landfill Gas |
| MM West Covina | MM West Covina Energy LLC | West Covina, CA | California Independent System Operator (CISO) | 39.9 GWh | May 1993 | Dec 2023 | Landfill Gas : 99.4% Natural Gas : 0.6% |
| MM Tulare Energy | MM Tulare Energy LLC | Visalia, CA | California Independent System Operator (CISO) | 9.7 GWh | Apr 1998 | Dec 2023 | Landfill Gas |
| MM San Diego-Miramar | MM San Diego Energy-Miramar | San Diego, CA | California Independent System Operator (CISO) | 35.9 GWh | Jun 1997 | Dec 2023 | Landfill Gas : 90.2% Other Biomass Gas : 9.8% |
| MM Lopez Energy | MM Lopez Energy LLC | Lake View Terrace, CA | California Independent System Operator (CISO) | 26.4 GWh | Nov 1998 | Dec 2023 | Landfill Gas |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |