Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mililani South Solar Farm | Mililani I Solar LLC | Mililani, HI | 64.6 GWh | Jun 2022 | Sep 2025 | Solar | |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.7 GWh | May 1994 | Dec 2024 | Distillate Fuel Oil | |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2024 | Distillate Fuel Oil | |
| Mauka FIT One | Valta Energy | Kahuku, HI | 3.1 GWh | Sep 2020 | Dec 2024 | Solar | |
| Mauna Loa Macadamia Nut | Macadamia Nut Road Solar Project 2019 | Keaau, HI | (HECO) | 1.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 118.9 GWh | Feb 2007 | Dec 2024 | Wind |
| McGrath | McGrath Light & Power Co | McGrath, AK | 1.9 GWh | Nov 1988 | Dec 2024 | Distillate Fuel Oil | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 603.0 GWh | Nov 1971 | Sep 2025 | Distillate Fuel Oil | |
| ME Novel Lighthouse - Huggard Ave Solar | Luminace Sunbeam Development Holdings, LLC | Limestone, ME | (NA) | 2.5 GWh | Jan 2024 | Dec 2024 | Solar |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2010 | Dec 2024 | Solar |
| Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 134.8 GWh | Jun 2023 | Sep 2025 | Solar |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 80.7 GWh | Apr 2003 | Dec 2024 | Natural Gas |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.1 GWh | Nov 2022 | Dec 2024 | Solar |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 33.0 MWh | Jan 2002 | Dec 2024 | Distillate Fuel Oil |
| Montague Wind Power Facility LLC | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 472.2 GWh | Oct 2019 | Sep 2025 | Wind |
| Montague Solar | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 381.9 GWh | Mar 2023 | Sep 2025 | Solar |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 89.9 GWh | Nov 1992 | Dec 2024 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 103.3 GWh | Dec 1986 | Oct 2024 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 9.2 GWh | May 1915 | Dec 2024 | Water |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 2.7 GWh | Jun 1980 | Dec 2024 | Natural Gas : 72.6% Distillate Fuel Oil : 27.4% |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 3.4 GWh | Feb 1986 | Dec 2024 | Natural Gas |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.1 GWh | Feb 1986 | Dec 2024 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 111.7 GWh | May 1927 | Dec 2024 | Water |
| McKinley Paper Co. - Washington Mill | McKinley Paper Co. - Washington Mill | Port Angeles, WA | Bonneville Power Administration (BPAT) | 37.5 GWh | Sep 2013 | Aug 2024 | Wood/Wood Waste Solids |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 3.7 TWh | Nov 1953 | Dec 2024 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD | Plymouth, WA | Bonneville Power Administration (BPAT) | 64.2 GWh | Oct 1997 | Dec 2024 | Water |
| Moyie Springs | City of Bonners Ferry | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 20.9 GWh | Nov 1921 | Dec 2024 | Water |
| Mountain View IV | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 186.8 GWh | Jan 2012 | Dec 2024 | Wind |
| 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% |
| Muck Valley Hydroelectric | Brookfield Renewable Trading and Marketing LP | NA, CA | California Independent System Operator (CISO) | 81.8 GWh | Nov 1988 | Dec 2024 | Water |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | California Independent System Operator (CISO) | 796.0 MWh | Aug 2015 | Dec 2024 | Solar |
| Morelos del Sol | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 29.9 GWh | Oct 2015 | Dec 2024 | Solar |
| Municipal Cogen Plant | Palm Springs City of | Palm Springs, CA | California Independent System Operator (CISO) | 6.5 GWh | Apr 1985 | Sep 2025 | Natural Gas |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 10.7 GWh | Sep 2016 | Dec 2024 | Solar |
| Mountainview Generating Station | Southern California Edison Co | Redlands, CA | California Independent System Operator (CISO) | 1.8 TWh | Nov 2005 | Sep 2025 | Natural Gas |
| Mountain View Ind Park 1-sline001 | Prologis Logistics Services Incorporated | Fontana, CA | California Independent System Operator (CISO) | 1.3 GWh | Aug 2023 | Dec 2024 | Solar |
| Mountain View III | Avangrid Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 75.7 GWh | Nov 2003 | Dec 2024 | Wind |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 15.5 GWh | Feb 1954 | Dec 2024 | Water |
| Mustang Hills LLC | Mustang Hills, LLC (Longroad) | Mojave, CA | California Independent System Operator (CISO) | 301.5 GWh | Apr 2012 | Dec 2024 | Wind |
| Mountain View I & II | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 285.1 GWh | May 2001 | Sep 2025 | Wind |
| Mount Signal Solar Farm V | Imperial Valley Solar 3, LLC | Calexico, CA | California Independent System Operator (CISO) | 673.8 GWh | Oct 2018 | Sep 2025 | Solar |
| Mustang Two | RE Mustang Two LLC | Lemoore, CA | California Independent System Operator (CISO) | 406.5 GWh | Oct 2020 | Sep 2025 | Solar |
| Mount Signal Solar Farm II | MN8 Energy LLC | Calexico, CA | California Independent System Operator (CISO) | 410.2 GWh | Dec 2019 | Sep 2025 | Solar |
| Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 147.7 GWh | Dec 2023 | Sep 2025 | Solar : 99.9% |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 123.2 GWh | May 2024 | Sep 2025 | Wind |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 36.4 GWh | May 1983 | Dec 2024 | Water |
| Medline Ind. Phase 2 Tracy | Powerflex | Tracy, CA | California Independent System Operator (CISO) | 2.0 GWh | Mar 2018 | Dec 2024 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 59.6 GWh | Nov 1984 | Dec 2024 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 82.3 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| Midway Peaking LLC | CalPeak Power, LLC | Firebaugh, CA | California Independent System Operator (CISO) | 15.7 GWh | Apr 2009 | Dec 2024 | Natural Gas |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 103.1 GWh | Nov 1990 | Dec 2024 | Geothermal |
| Merced 1 PV | ZGlobal Inc | Los Banos, CA | California Independent System Operator (CISO) | 6.5 GWh | Mar 2018 | Dec 2024 | Solar |
| Malaga Power LLC | CalPeak Power, LLC | Fresno, CA | California Independent System Operator (CISO) | 12.3 GWh | Aug 2005 | Sep 2025 | Natural Gas |
| Malech Solar Farm | County of Santa Clara (CA) | San Jose, CA | California Independent System Operator (CISO) | 4.8 GWh | Sep 2017 | Dec 2024 | Solar |
| Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 383.3 GWh | Feb 1960 | Sep 2025 | Water |
| Malburg | City of Vernon | Vernon, CA | California Independent System Operator (CISO) | 326.4 GWh | Sep 2005 | Sep 2025 | Natural Gas |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 646.7 GWh | Jul 2015 | Dec 2024 | Solar |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 527.6 GWh | Nov 2023 | Sep 2025 | Solar |
| Moonlight Packing - Phase 2 | CalCom Energy | Reedley, CA | California Independent System Operator (CISO) | 2.6 GWh | May 2019 | Dec 2024 | Solar |
| Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 448.5 GWh | Nov 2016 | Sep 2025 | Solar |
| Montezuma Wind II | NextEra Energy Montezuma Wind II, LLC | Birds Landing, CA | California Independent System Operator (CISO) | 195.7 GWh | Dec 2011 | Dec 2024 | Wind |
| Monterey Regional Water Pollution Contro | Tesla Inc. | Marina, CA | California Independent System Operator (CISO) | 1.2 GWh | Nov 2010 | Dec 2024 | Solar |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 264.8 GWh | Nov 2020 | Sep 2025 | Solar |
| Meridian Vineyards | CVI CleanCapital Solar 1 LLC | Paso Robles, CA | California Independent System Operator (CISO) | 1.0 GWh | Nov 2010 | Dec 2024 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 245.0 GWh | Oct 2021 | Sep 2025 | Solar |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 336.8 GWh | Nov 2021 | Sep 2025 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 371.6 GWh | Nov 2020 | Sep 2025 | Solar |
| Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 288.9 GWh | Nov 2016 | Sep 2025 | Solar |
| 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% |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | California Independent System Operator (CISO) | 69.2 GWh | Jan 2003 | Dec 2024 | Natural Gas |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | California Independent System Operator (CISO) | 2.5 GWh | Sep 2013 | Dec 2024 | Solar |
| Mesquite Solar 1 | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 401.4 GWh | Oct 2011 | Dec 2024 | Solar |
| Maxim | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 6.0 GWh | Jul 2014 | Dec 2024 | Natural Gas |
| Midway Sunset Cogen | Midway-Sunset Cogeneration Co | Fellows, CA | California Independent System Operator (CISO) | 111.6 GWh | Apr 1989 | Aug 2025 | Natural Gas |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 10.1 GWh | Dec 1986 | Dec 2024 | Water |
| Madera Community Hospital | CleanCapital Holdings | Madera, CA | California Independent System Operator (CISO) | 72.0 MWh | Sep 2011 | Dec 2024 | Solar |
| Madera 1 PV | ZGlobal Inc | Madera, CA | California Independent System Operator (CISO) | 3.6 GWh | Nov 2017 | Dec 2024 | Solar |
| Madelyn Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 2.7 GWh | Nov 2014 | Dec 2024 | Solar |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 3.8 GWh | Nov 2014 | Dec 2024 | Solar |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 3.8 GWh | Nov 2014 | Dec 2024 | Solar |
| 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% |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | California Independent System Operator (CISO) | 21.3 GWh | Nov 2017 | Dec 2024 | Solar |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 22.8 GWh | Mar 1998 | Dec 2024 | Landfill Gas |
| Marina South | Altus Power America Management, LLC | San Pedro, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2020 | Dec 2024 | Solar |
| 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 |
| Mitchell Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 3.7 GWh | Nov 2014 | Dec 2024 | Solar |
| Middle Fork | Placer County Water Agency | Foresthill, CA | California Independent System Operator (CISO) | 364.9 GWh | Sep 1966 | Sep 2025 | Water |
| Mariposa Energy Project | Diamond Generating Corporation | Byron, CA | California Independent System Operator (CISO) | 45.4 GWh | Sep 2012 | Sep 2025 | Natural Gas |
| Micro Santa Clara | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 8.6 GWh | Jun 2018 | Dec 2024 | Natural Gas |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 47.6 GWh | Nov 2015 | Dec 2024 | Solar |
| Mission College Blvd. Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | California Independent System Operator (CISO) | 39.9 GWh | Nov 2017 | Dec 2024 | Natural Gas |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 67.5 GWh | May 2012 | Dec 2024 | Natural Gas |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 6.1 GWh | Sep 1991 | Sep 2025 | Natural Gas |
| Miramar Energy Facility | San Diego Gas & Electric Co | San Diego, CA | California Independent System Operator (CISO) | 8.2 GWh | May 2005 | Sep 2025 | Natural Gas |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 31.8 GWh | Jun 1967 | Dec 2024 | Water |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 11.3 GWh | Aug 2007 | Dec 2024 | Natural Gas |
| Mira Loma | Costco Wholesale | Mira Loma, CA | California Independent System Operator (CISO) | 1.9 GWh | Oct 2011 | Dec 2024 | Solar |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 41.8 GWh | Apr 2013 | Sep 2025 | Natural Gas |
| Moccasin | City & County of San Francisco | Moccasin, CA | California Independent System Operator (CISO) | 279.7 GWh | Jul 1969 | Sep 2025 | 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 |