Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Mankato Energy Center | MEC Holdings, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Jun 2006 | Dec 2024 | Natural Gas |
| New Frontier Wind | Meadowlark Wind I LLC | Ruso, ND | Midcontinent Independent System Operator, Inc. (MISO) | 390.0 GWh | Nov 2018 | Oct 2025 | Wind |
| Meadowlark Solar | Meadowlark Solar, LLC | Dunn, NC | Duke Energy Progress East (CPLE) | 9.4 GWh | Aug 2018 | Dec 2024 | Solar |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jun 2012 | Dec 2024 | Wind |
| Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 641.1 GWh | Oct 2018 | Oct 2025 | Wind |
| Meadow Lake Wind Farm V LLC | Meadow Lake Wind Farm V LLC | Chalmers, IN | PJM Interconnection, LLC (PJM) | 325.8 GWh | Jun 2017 | Oct 2025 | Wind |
| Meadow Lake Wind Farm LLC | Meadow Lake Wind Farm LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 442.8 GWh | Sep 2009 | Dec 2024 | Wind |
| Meadow Lake Wind Farm IV | Meadow Lake Wind Farm IV LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 200.1 GWh | Sep 2010 | Dec 2024 | Wind |
| Meadow Lake Wind Farm III LLC | Meadow Lake Wind Farm III LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 269.3 GWh | Aug 2010 | Dec 2024 | Wind |
| Meadow Lake Wind Farm II LLC | Meadow Lake Wind Farm II LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 237.4 GWh | Jul 2010 | Dec 2024 | Wind |
| Indiana Crossroads Solar Park | Meadow Lake Solar Park | Reynolds, IN | Midcontinent Independent System Operator, Inc. (MISO) | 372.3 GWh | May 2023 | Oct 2025 | Solar |
| Mead Coated Board | Mead Coated Board Inc | Mahrt, AL | Southern Company Services, Inc. - Trans (SOCO) | 732.3 GWh | Oct 1966 | Oct 2025 | Black Liquor : 40.4% Wood/Wood Waste Solids : 33.2% Natural Gas : 26.3% |
| 15 Glen Harris RD | ME Sandy River LLC | New Sharon, ME | ISO New England (ISNE) | 1.8 GWh | May 2024 | Dec 2024 | Solar |
| McMinnville | McMinnville Electric System | McMinnville, TN | Tennessee Valley Authority (TVA) | 95.0 MWh | May 2001 | Dec 2024 | Distillate Fuel Oil |
| 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 |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 310.4 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| McGrath | McGrath Light & Power Co | McGrath, AK | 1.9 GWh | Nov 1988 | Dec 2024 | Distillate Fuel Oil | |
| McDonough Solar 1, LLC CSG | McDonough Solar 1, LLC | Blandinsville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Nov 2020 | Dec 2024 | Solar |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 646.7 GWh | Jul 2015 | Dec 2024 | Solar |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 7.3 GWh | Mar 2021 | Oct 2024 | Water |
| MC1 Solar | MC1 Solar Farm, LLC | Williamston, NC | PJM Interconnection, LLC (PJM) | 8.8 GWh | Jul 2016 | Dec 2024 | Solar |
| Independence Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 4.4 GWh | Feb 2017 | Oct 2025 | Solar |
| Independence II Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 14.0 GWh | May 2018 | Oct 2025 | Solar |
| BPU Solar Farm | MC Power Companies Inc | Kansas City, KS | Southwest Power Pool (SWPP) | 1.8 GWh | Aug 2017 | Dec 2024 | Solar |
| Back River Waste Water Treatment | Mayor and City Council of Baltimore City | Baltimore, MD | PJM Interconnection, LLC (PJM) | 594.0 MWh | Dec 2008 | Dec 2024 | Solar |
| May Shannon Solar, LLC | May Shannon Solar, LLC | Clio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2020 | Dec 2024 | Solar |
| Selective Insurance | MaxSolar | Branchville, NJ | PJM Interconnection, LLC (PJM) | 4.5 GWh | Oct 2019 | Dec 2024 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 374.6 GWh | Nov 2020 | Oct 2025 | Solar |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 347.0 GWh | Nov 2021 | Oct 2025 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 254.3 GWh | Oct 2021 | Oct 2025 | Solar |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 267.5 GWh | Nov 2020 | Oct 2025 | Solar |
| Eagle Pass | Maverick Cty Water Control & Improvement | Eagle Pass, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 25.0 GWh | Jul 1932 | Sep 2025 | Water |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 606.6 GWh | Nov 1971 | Oct 2025 | Distillate Fuel Oil | |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 157.1 GWh | Apr 1948 | Dec 2024 | Residual Fuel Oil | |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.3 GWh | Mar 1982 | Dec 2024 | Distillate Fuel Oil | |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 210.0 MWh | Mar 2001 | Dec 2024 | Distillate Fuel Oil | |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2024 | Distillate Fuel Oil | |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 2.0 MWh | Jul 2023 | Dec 2024 | Distillate Fuel Oil | |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.2 GWh | May 2014 | Dec 2024 | Solar |
| Medical Area Total Energy Plant | MATEP LLC | Boston, MA | ISO New England (ISNE) | 318.1 GWh | Dec 1979 | Dec 2024 | Natural Gas : 98.3% Distillate Fuel Oil : 1.7% |
| Eklutna Generation Station | Matanuska Electric Assn Inc | Chugiak, AK | 573.0 GWh | Jan 2015 | Dec 2024 | Natural Gas | |
| Maston Garden Solar | Maston Garden LLC | Kasson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Apr 2020 | Dec 2024 | Solar |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 475.7 GWh | Jun 1993 | Dec 2024 | Natural Gas |
| Masser Farms Realty Solar | Masser Farms Realty Ltd | Sacramento, PA | PJM Interconnection, LLC (PJM) | 1.2 GWh | Apr 2011 | Dec 2024 | Solar |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 33.1 GWh | Jul 1995 | Oct 2025 | Other Biomass Gas : 84.6% Distillate Fuel Oil : 10.8% Wind : 2.7% Solar : 1.9% |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 738.0 MWh | Dec 1968 | Dec 2024 | Water |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 109.3 GWh | Oct 1981 | Oct 2025 | Natural Gas : 70.7% Distillate Fuel Oil : 29.3% |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 41.4 GWh | Apr 2011 | Oct 2025 | Wind |
| SELCO Community Solar | Massachusetts Mun Wholes Electric Co | Shrewsbury, MA | ISO New England (ISNE) | 4.9 GWh | May 2018 | Dec 2024 | Solar |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 204.8 GWh | May 1995 | Dec 2024 | Natural Gas |
| Haverhill Solar Power Project | Massachusetts Electric Co | Haverhill, MA | ISO New England (ISNE) | 1.2 GWh | Nov 2010 | Dec 2024 | Solar |
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 979.0 MWh | May 2010 | Dec 2024 | Solar |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.5 GWh | Dec 2011 | Dec 2024 | Solar |
| Bridgewater Complex Co-Generation Plant | Massachusetts Department of Correction | Bridgewater, MA | ISO New England (ISNE) | 1.1 GWh | Oct 2015 | Dec 2024 | Natural Gas |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 457.0 MWh | Apr 1979 | Dec 2024 | Kerosene |
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2024 | Solar |
| Braley Road 2 | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2015 | Dec 2024 | Solar |
| Dartmouth | Mass Solar, LLC | Dartmouth, MA | ISO New England (ISNE) | 7.9 GWh | Mar 2014 | Dec 2024 | Solar |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 5.9 GWh | Feb 2015 | Dec 2024 | Solar |
| Mas Durham Power, LLC | Mas Durham Power, LLC | Durham, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Jan 2010 | Dec 2024 | Landfill Gas |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 47.4 GWh | Jul 1993 | Dec 2024 | Water |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 10.8 GWh | Jul 1987 | Oct 2025 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 759.5 GWh | Oct 1995 | Oct 2025 | Natural Gas : 96.5% Other Gas : 3.5% |
| Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 199.9 GWh | Nov 2024 | Oct 2025 | Solar |
| Marshall Wind 2 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Wind 3 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Wind 4 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.2 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Wind 6 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Wind 5 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Wind 1 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 95.3 GWh | Dec 2016 | Oct 2025 | Solar |
| Marshall Solar | Marshall Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 3.2 GWh | Jun 2022 | Dec 2024 | Solar |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 17.7 GWh | Apr 2013 | Oct 2025 | Natural Gas |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 41.7 GWh | Sep 1984 | Dec 2024 | Natural Gas |
| ME - Novel (Lighthouse Ph I) Mars Hill | Mars Hill Road Solar Farm, LLC | Westfield, ME | ISO New England (ISNE) | 22.0 MWh | Jul 2024 | Dec 2024 | Solar |
| OR - Green Key - Marquam | Marquam Creek Solar, LLC | Molalla, OR | Portland General Electric Company (PGE) | 37.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Marlow Solar, LLC CSG | Marlow Solar, LLC | Bluford, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Marlborough Solar | Marlborough Solar, LLC | Milton, NY | ISO New England (ISNE) | 3.4 GWh | Feb 2021 | Dec 2024 | Solar |
| Marlboro Mushrooms Solar Field | Marlboro Mushroom | West Grove, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Oct 2011 | Dec 2024 | Solar |
| Markum Solar Farm | Markum Solar Farm, LLC | Valley Mills, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 365.3 GWh | Oct 2024 | Oct 2025 | Solar |
| Marion Solar LNG | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2015 | Dec 2024 | Solar |
| Belmont | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Oct 2015 | Dec 2024 | Solar |
| Heller 400M | Marina Energy LLC | Edison Township, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Apr 2013 | Dec 2024 | Solar |
| Heller Industrial Parks | Marina Energy LLC | Dayton, NJ | PJM Interconnection, LLC (PJM) | 7.7 GWh | Nov 2011 | Dec 2024 | Solar |
| Freeze Solar | Marina Energy LLC | Dayton, NJ | PJM Interconnection, LLC (PJM) | 2.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Syncarpha Freetown | Marie's Way Solar I, LLC | Freetown, MA | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Dec 2024 | Solar |
| Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | PJM Interconnection, LLC (PJM) | 5.8 TWh | Nov 2004 | Oct 2025 | Natural Gas |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2024 | Water |
| DC Water Solar | Marbury Point Solar LLC | Washington, DC | PJM Interconnection, LLC (PJM) | 5.6 GWh | Apr 2021 | Dec 2024 | Solar |
| Marble River Wind Farm | Marble River, LLC | Churubusco, NY | New York Independent System Operator (NYIS) | 465.1 GWh | Oct 2012 | Oct 2025 | Wind |
| Mapleton Community Solar | Mapleton Community Solar | Mapleton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | May 2017 | Dec 2024 | Solar |
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2021 | Dec 2024 | Solar |
| Mantisi | Mantisi Solar LLC | Brockport, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Feb 2024 | Dec 2024 | Solar |
| Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | May 1999 | Dec 2024 | Natural Gas |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 190.6 GWh | May 1955 | Oct 2025 | Wood/Wood Waste Solids : 91.6% Petroleum Coke : 4.6% Bituminous Coal : 3.4% |
| Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 1.8 TWh | Aug 1995 | Oct 2025 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 719.9 GWh | Nov 2014 | Dec 2024 | Wind |
Summary of Power Plants By State
Figures are based on October 2025 generation numbers.| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 11,041.22 GWh |
| Alaska | # 49 | 144 | 484.88 GWh |
| Arizona | # 11 | 184 | 9,400.73 GWh |
| Arkansas | # 24 | 116 | 5,068.08 GWh |
| California | # 4 | 1,734 | 16,078.58 GWh |
| Colorado | # 30 | 302 | 4,272.03 GWh |
| Connecticut | # 38 | 166 | 3,176.41 GWh |
| Delaware | # 48 | 33 | 521.87 GWh |
| District of Columbia | # 51 | 16 | 15.93 GWh |
| Florida | # 2 | 321 | 22,593.36 GWh |
| Georgia | # 6 | 262 | 11,885.65 GWh |
| Hawaii | # 47 | 73 | 845.96 GWh |
| Idaho | # 44 | 147 | 1,448.54 GWh |
| Illinois | # 5 | 382 | 15,897.55 GWh |
| Indiana | # 12 | 211 | 9,138.69 GWh |
| Iowa | # 18 | 292 | 6,552.01 GWh |
| Kansas | # 31 | 187 | 4,138.18 GWh |
| Kentucky | # 23 | 60 | 5,089.89 GWh |
| Louisiana | # 14 | 86 | 8,618.27 GWh |
| Maine | # 45 | 215 | 1,114.12 GWh |
| Maryland | # 35 | 203 | 3,540.16 GWh |
| Massachusetts | # 41 | 648 | 1,963.73 GWh |
| Michigan | # 9 | 272 | 10,045.59 GWh |
| Minnesota | # 27 | 765 | 4,687.69 GWh |
| Mississippi | # 20 | 57 | 6,085.50 GWh |
| Missouri | # 21 | 127 | 5,515.65 GWh |
| State | Rank | Active Plants | Oct 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,455.83 GWh |
| Nebraska | # 36 | 129 | 3,412.31 GWh |
| Nevada | # 33 | 114 | 3,578.95 GWh |
| New Hampshire | # 43 | 60 | 1,661.03 GWh |
| New Jersey | # 25 | 393 | 4,903.52 GWh |
| New Mexico | # 37 | 143 | 3,370.59 GWh |
| New York | # 8 | 956 | 10,108.60 GWh |
| North Carolina | # 13 | 906 | 9,082.37 GWh |
| North Dakota | # 34 | 60 | 3,554.85 GWh |
| Ohio | # 10 | 197 | 9,920.42 GWh |
| Oklahoma | # 17 | 142 | 7,167.46 GWh |
| Oregon | # 26 | 275 | 4,755.34 GWh |
| Pennsylvania | # 3 | 256 | 16,669.60 GWh |
| Rhode Island | # 46 | 100 | 886.30 GWh |
| South Carolina | # 15 | 208 | 8,061.53 GWh |
| South Dakota | # 42 | 52 | 1,892.35 GWh |
| Tennessee | # 22 | 88 | 5,198.50 GWh |
| Texas | # 1 | 947 | 48,837.92 GWh |
| Utah | # 39 | 125 | 3,044.05 GWh |
| Vermont | # 50 | 117 | 151.45 GWh |
| Virginia | # 19 | 239 | 6,515.03 GWh |
| Washington | # 16 | 137 | 7,971.98 GWh |
| West Virginia | # 29 | 39 | 4,608.16 GWh |
| Wisconsin | # 28 | 250 | 4,687.23 GWh |
| Wyoming | # 32 | 70 | 3,770.47 GWh |