Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.7 GWh | Mar 1990 | Dec 2025 | Distillate Fuel Oil | |
| 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) | 128.3 GWh | Feb 2007 | Dec 2025 | Wind |
| Mauka FIT One | Valta Energy | Kahuku, HI | 4.5 GWh | Sep 2020 | Dec 2025 | Solar | |
| Mililani South Solar Farm | Mililani I Solar LLC | Mililani, HI | 59.2 GWh | Jun 2022 | May 2026 | Solar | |
| McGrath | McGrath Light & Power Co | McGrath, AK | 1.8 GWh | Nov 1988 | Dec 2025 | Distillate Fuel Oil | |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.7 GWh | May 1994 | Dec 2025 | Distillate Fuel Oil | |
| ME Novel Lighthouse - Huggard Ave Solar | Luminace Sunbeam Development Holdings, LLC | Limestone, ME | (NA) | 3.9 GWh | Jan 2024 | Dec 2025 | Solar |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 643.5 GWh | Nov 1971 | May 2026 | Distillate Fuel Oil | |
| Mesquite Solar 5, LLC | RWE Clean Energy | Tonopah, AZ | Arizona Public Service Company (AZPS) | 129.1 GWh | Jun 2023 | May 2026 | Solar |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2010 | Dec 2024 | Solar |
| Maple City | Altus Power America Management, LLC | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.0 GWh | Nov 2022 | Dec 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 |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 802.0 MWh | Jan 2002 | Dec 2025 | Distillate Fuel Oil |
| Montague Wind Power Facility LLC | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 495.2 GWh | Oct 2019 | May 2026 | Wind |
| Montague Solar | Avangrid Power LLC | Arlington, OR | Avangrid Renewables, LLC (AVRN) | 341.0 GWh | Mar 2023 | May 2026 | Solar |
| Monroe Street | Avista Corp | Spokane, WA | Avista Corporation (AVA) | 87.5 GWh | Nov 1992 | Dec 2025 | Water |
| Meyers Falls | Hydro Technology Systems Inc | Kettle Falls, WA | Avista Corporation (AVA) | 8.7 GWh | May 1915 | Dec 2025 | Water |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 105.2 GWh | Dec 1986 | Oct 2025 | Water |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 1.2 GWh | Feb 1986 | Dec 2025 | Natural Gas |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Jun 1980 | Dec 2025 | Natural Gas : 71.4% Distillate Fuel Oil : 28.6% |
| Marble Solar LLC (CSG) | SolRiver Capital LLC | Albany, OR | Bonneville Power Administration (BPAT) | 4.9 GWh | Nov 2024 | Dec 2025 | Solar |
| McNary | USACE Northwestern Division | Umatilla, OR | Bonneville Power Administration (BPAT) | 4.0 TWh | Nov 1953 | Dec 2025 | Water |
| Minidoka | U S Bureau of Reclamation | Rupert, ID | Bonneville Power Administration (BPAT) | 98.8 GWh | May 1927 | Dec 2025 | Water |
| Middle Fork Irrigation District | Middle Fork Irrigation Dist | Parkdale, OR | Bonneville Power Administration (BPAT) | 20.0 GWh | Feb 1986 | Dec 2025 | Water |
| McNary Dam Fish Attraction Project | Northern Wasco County PUD - (OR) | Plymouth, WA | Bonneville Power Administration (BPAT) | 72.5 GWh | Oct 1997 | Dec 2025 | Water |
| Moyie Springs | City of Bonners Ferry (ID) | Moyie Springs, ID | Bonneville Power Administration (BPAT) | 21.4 GWh | Nov 1921 | Dec 2025 | Water |
| Mountainview Generating Station | Southern California Edison Co | Redlands, CA | California Independent System Operator (CISO) | 1.2 TWh | Nov 2005 | May 2026 | Natural Gas |
| Mustang Two | RE Mustang Two LLC | Lemoore, CA | California Independent System Operator (CISO) | 372.7 GWh | Oct 2020 | Apr 2026 | Solar |
| Mustang Hills LLC | Mustang Hills, LLC (Longroad) | Mojave, CA | California Independent System Operator (CISO) | 267.1 GWh | Apr 2012 | Dec 2025 | Wind |
| Municipal Cogen Plant | Palm Springs, City of - (CA) | Palm Springs, CA | California Independent System Operator (CISO) | 7.3 GWh | Apr 1985 | May 2026 | Natural Gas |
| Monterey One Water | Monterey One Water | Marina, CA | California Independent System Operator (CISO) | 8.4 GWh | Jul 1988 | Dec 2025 | Other Biomass Gas : 78.5% Natural Gas : 21.5% |
| Monterey Regional Water Pollution Contro | Tesla Inc. | Marina, CA | California Independent System Operator (CISO) | 1.1 GWh | Nov 2010 | Dec 2025 | Solar |
| Montezuma Wind II | NextEra Energy Montezuma Wind II, LLC | Birds Landing, CA | California Independent System Operator (CISO) | 195.8 GWh | Dec 2011 | Dec 2025 | Wind |
| Montgomery Creek Hydro | Central Rivers Power US, LLC | Montgomery Creek, CA | California Independent System Operator (CISO) | 9.2 GWh | Dec 1986 | Dec 2025 | Water |
| Monticello Dam | Solano Irrigation District | Winters, CA | California Independent System Operator (CISO) | 40.7 GWh | May 1983 | Dec 2025 | Water |
| Murphys | Utica Water & Power Authority | Murphys, CA | California Independent System Operator (CISO) | 14.8 GWh | Feb 1954 | Dec 2025 | Water |
| Munro Valley Solar | Ecos Energy LLC | Olancha, CA | California Independent System Operator (CISO) | 8.7 GWh | Sep 2016 | Dec 2025 | Solar |
| Morelos del Sol | Southern Power Co | Lost Hills, CA | California Independent System Operator (CISO) | 31.2 GWh | Oct 2015 | Dec 2025 | Solar |
| Morgan Lancaster 1 | Terraform Arcadia | Lancaster, CA | California Independent System Operator (CISO) | 818.0 MWh | Aug 2015 | Dec 2025 | Solar |
| Muck Valley Hydroelectric | Malacha Hydro Limited Partnership | NA, CA | California Independent System Operator (CISO) | 89.8 GWh | Nov 1988 | Dec 2025 | Water |
| Mount Signal Solar Farm II | MN8 Energy LLC | Calexico, CA | California Independent System Operator (CISO) | 373.2 GWh | Dec 2019 | May 2026 | Solar |
| Mount Signal Solar Farm V | Imperial Valley Solar 3, LLC | Calexico, CA | California Independent System Operator (CISO) | 638.8 GWh | Oct 2018 | May 2026 | Solar |
| Mountain View I & II | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 250.4 GWh | May 2001 | May 2026 | Wind |
| Mountain View III | Avangrid Power LLC | North Palm Springs, CA | California Independent System Operator (CISO) | 80.7 GWh | Nov 2003 | Dec 2025 | Wind |
| Moonlight Packing - Phase 2 | CalCom Energy | Reedley, CA | California Independent System Operator (CISO) | 2.7 GWh | May 2019 | Dec 2025 | Solar |
| Mountain View Ind Park 1-sline001 | Prologis Logistics Services Incorporated | Fontana, CA | California Independent System Operator (CISO) | 371.0 MWh | Aug 2023 | Dec 2025 | Solar |
| Mountain View IV | AES Distributed Energy | North Palm Springs, CA | California Independent System Operator (CISO) | 172.7 GWh | Jan 2012 | Dec 2025 | Wind |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 295.5 GWh | Nov 2020 | May 2026 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 246.1 GWh | Oct 2021 | May 2026 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 330.2 GWh | Nov 2020 | May 2026 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | California Independent System Operator (CISO) | 1.8 GWh | Sep 2013 | Dec 2025 | Solar |
| Mojave Solar Project | Mojave Solar LLC | Hinkley, CA | California Independent System Operator (CISO) | 592.1 GWh | Nov 2014 | May 2026 | Solar |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 668.8 GWh | Oct 1995 | May 2026 | Natural Gas : 96.6% Other Gas : 3.4% |
| Mojave Siphon | California Dept. of Water Resources | Hesperia, CA | California Independent System Operator (CISO) | 46.1 GWh | Jul 1996 | Dec 2025 | Water |
| Mojave 3/4/5 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 125.0 GWh | Nov 1990 | Dec 2025 | Wind |
| Mojave 16/17/18 | Terra-Gen Operating Co-Wind | Mojave, CA | California Independent System Operator (CISO) | 66.3 GWh | Nov 1989 | Dec 2025 | Wind |
| Moccasin Low Head Hydro Project | City & County of San Francisco - (CA) | Moccasin, CA | California Independent System Operator (CISO) | 3.3 GWh | Jun 1987 | Dec 2025 | Water |
| Moccasin | City & County of San Francisco - (CA) | Moccasin, CA | California Independent System Operator (CISO) | 307.6 GWh | Jul 1969 | May 2026 | Water |
| 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 |
| MM West Covina | MM West Covina Energy LLC | West Covina, CA | California Independent System Operator (CISO) | 40.4 GWh | May 1993 | Dec 2025 | Landfill Gas : 99.7% |
| Madera Community Hospital | CleanCapital Holdings | Madera, CA | California Independent System Operator (CISO) | 1.7 GWh | Sep 2011 | Dec 2025 | Solar |
| Maxim | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 6.9 GWh | Jul 2014 | Dec 2025 | Natural Gas |
| Mira Loma Peaker | Southern California Edison Co | Ontario, CA | California Independent System Operator (CISO) | 1.1 GWh | Aug 2007 | Dec 2025 | Natural Gas |
| Mira Loma | Costco Wholesale | Mira Loma, CA | California Independent System Operator (CISO) | 2.2 GWh | Oct 2011 | Dec 2025 | Solar |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.1 GWh | Jun 1930 | Sep 2025 | Water |
| Mission College Blvd. Fuel Cell | 2016 ESA Project Company, LLC | Santa Clara, CA | California Independent System Operator (CISO) | 36.3 GWh | Nov 2017 | Dec 2025 | Natural Gas |
| Mission Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 3.6 GWh | Nov 2014 | Dec 2025 | Solar |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 18.3 GWh | Apr 2013 | May 2026 | Natural Gas |
| Mitchell Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 4.4 GWh | Nov 2014 | Dec 2025 | Solar |
| Merced 1 PV | ZGlobal Inc | Los Banos, CA | California Independent System Operator (CISO) | 6.0 GWh | Mar 2018 | Dec 2025 | Solar |
| MM Yolo Power | Yolo County Community Services Department | Woodland, CA | California Independent System Operator (CISO) | 16.2 GWh | Sep 1990 | Dec 2025 | Landfill Gas |
| Madera 1 PV | ZGlobal Inc | Madera, CA | California Independent System Operator (CISO) | 3.2 GWh | Nov 2017 | Dec 2025 | Solar |
| Madelyn Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 2.3 GWh | Nov 2014 | Dec 2025 | Solar |
| Malaga Power LLC | CalPeak Power, LLC | Fresno, CA | California Independent System Operator (CISO) | 4.2 GWh | Aug 2005 | May 2026 | Natural Gas |
| Meridian Vineyards | CVI CleanCapital Solar 1 LLC | Paso Robles, CA | California Independent System Operator (CISO) | 1.0 GWh | Nov 2010 | Dec 2024 | Solar |
| MM Lopez Energy | MM Lopez Energy LLC | Lake View Terrace, CA | California Independent System Operator (CISO) | 25.8 GWh | Nov 1998 | Dec 2025 | Landfill Gas |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 398.2 GWh | Nov 2021 | May 2026 | Solar |
| MM San Diego-Miramar | MM San Diego Energy-Miramar | San Diego, CA | California Independent System Operator (CISO) | 39.6 GWh | Jun 1997 | Dec 2025 | Landfill Gas : 91.4% Other Biomass Gas : 8.6% |
| Miramar Energy Facility | San Diego Gas & Electric Co | San Diego, CA | California Independent System Operator (CISO) | 11.3 GWh | May 2005 | May 2026 | Natural Gas |
| Merced Solar LLC | Ecos Energy LLC | Merced, CA | California Independent System Operator (CISO) | 3.9 GWh | Nov 2014 | Dec 2025 | Solar |
| Manzana Wind LLC | Avangrid Power LLC | Rosamond, CA | California Independent System Operator (CISO) | 519.3 GWh | Nov 2012 | Dec 2025 | Wind |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 26.9 GWh | Jun 1967 | Oct 2025 | Water |
| Marina South | Altus Power America Management, LLC | San Pedro, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2020 | Dec 2025 | Solar |
| Midway Sunset Cogen | Midway-Sunset Cogeneration Co | Fellows, CA | California Independent System Operator (CISO) | 6.0 GWh | Apr 1989 | Apr 2026 | Natural Gas |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 9.5 GWh | Mar 1998 | Dec 2025 | Landfill Gas |
| McGrath Peaker | Southern California Edison Co | Oxnard, CA | California Independent System Operator (CISO) | 2.6 GWh | Oct 2012 | Dec 2025 | Natural Gas |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | California Independent System Operator (CISO) | 21.2 GWh | Nov 2017 | Dec 2025 | Solar |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | California Independent System Operator (CISO) | 1.5 GWh | Nov 2017 | Dec 2025 | Solar |
| Midway Peaking LLC | CalPeak Power, LLC | Firebaugh, CA | California Independent System Operator (CISO) | 6.5 GWh | Apr 2009 | Dec 2025 | Natural Gas |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 638.7 GWh | Jul 2015 | Dec 2025 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 50.3 GWh | Nov 2015 | Dec 2025 | Solar |
| Metcalf Energy Center | Calpine Corp - Metcalf Energy Center | San Jose, CA | California Independent System Operator (CISO) | 1.9 TWh | May 2005 | May 2026 | Natural Gas |
| Mariani Packing Vacaville Solar | SunE U6 Holdings LLC | Vacaville, CA | California Independent System Operator (CISO) | 586.0 MWh | Oct 2008 | Dec 2025 | Solar |
| McKittrick Cogen | Chevron USA Inc | McKittrick, CA | California Independent System Operator (CISO) | 61.2 GWh | May 2012 | Dec 2025 | Natural Gas |
| McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 4.4 GWh | Sep 1991 | Mar 2026 | Natural Gas |
| Middle Fork | Placer County Water Agency - (CA) | Foresthill, CA | California Independent System Operator (CISO) | 444.4 GWh | Sep 1966 | May 2026 | Water |
| Micro Santa Clara | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 24.8 GWh | Jun 2018 | 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 |
| McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 550.8 GWh | Nov 2023 | May 2026 | Solar |
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 |