Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Marlow Solar, LLC CSG | Marlow Solar, LLC | Bluford, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Nov 2020 | 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 |
| 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 |
| 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 |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 15.7 GWh | Apr 2013 | Dec 2025 | Natural Gas |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Marshall Solar | Marshall Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 3.2 GWh | Jun 2022 | Dec 2024 | Solar |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.6 GWh | Dec 2016 | Dec 2025 | Solar |
| 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 4 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.2 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 2 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 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 Wind 5 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2007 | Dec 2024 | Wind |
| Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 210.9 GWh | Nov 2024 | Dec 2025 | Solar |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 734.0 GWh | Oct 1995 | Dec 2025 | Natural Gas : 96.7% Other Gas : 3.3% |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 12.0 GWh | Jul 1987 | Dec 2025 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 47.4 GWh | Jul 1993 | Dec 2024 | Water |
| Mas Durham Power, LLC | Mas Durham Power, LLC | Durham, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Jan 2010 | Dec 2024 | Landfill Gas |
| Freetown Solar | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 5.9 GWh | Feb 2015 | Dec 2024 | Solar |
| 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 |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 457.0 MWh | Apr 1979 | Dec 2024 | Kerosene |
| Bridgewater Complex Co-Generation Plant | Massachusetts Department of Correction | Bridgewater, MA | ISO New England (ISNE) | 1.1 GWh | Oct 2015 | 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 |
| Dorchester Solar Site | Massachusetts Electric Co | Dorchester, MA | ISO New England (ISNE) | 1.5 GWh | Dec 2011 | Dec 2024 | Solar |
| NEDC Solar Site | Massachusetts Electric Co | Whitinsville, MA | ISO New England (ISNE) | 979.0 MWh | May 2010 | 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 |
| Berkshire Wind Power Project | Massachusetts Mun Wholes Electric Co | Lanesboro, MA | ISO New England (ISNE) | 41.9 GWh | Apr 2011 | Dec 2025 | Wind |
| SELCO Community Solar | Massachusetts Mun Wholes Electric Co | Shrewsbury, MA | ISO New England (ISNE) | 4.9 GWh | May 2018 | Dec 2024 | Solar |
| Stony Brook | Massachusetts Mun Wholes Electric Co | Ludlow, MA | ISO New England (ISNE) | 104.0 GWh | Oct 1981 | Dec 2025 | Natural Gas : 74.3% Distillate Fuel Oil : 25.7% |
| Oakdale Power Station | Massachusetts Water Res Auth | West Boylston, MA | ISO New England (ISNE) | 13.9 GWh | Apr 1951 | Dec 2024 | Water |
| Cosgrove Intake and Power Station | Massachusetts Water Res Auth | Clinton, MA | ISO New England (ISNE) | 738.0 MWh | Dec 1968 | Dec 2024 | Water |
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 33.4 GWh | Jul 1995 | Dec 2025 | Other Biomass Gas : 83.7% Distillate Fuel Oil : 11.5% Wind : 3.0% Solar : 1.9% |
| Masser Farms Realty Solar | Masser Farms Realty Ltd | Sacramento, PA | PJM Interconnection, LLC (PJM) | 1.2 GWh | Apr 2011 | Dec 2024 | Solar |
| Masspower | Masspower | Indian Orchard, MA | ISO New England (ISNE) | 475.7 GWh | Jun 1993 | 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 |
| Eklutna Generation Station | Matanuska Electric Assn Inc | Chugiak, AK | 573.0 GWh | Jan 2015 | Dec 2024 | Natural Gas | |
| 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% |
| Hartford Landfill Solar EGF | Materials Innovation Recycling Authority | Hartford, CT | ISO New England (ISNE) | 1.2 GWh | May 2014 | Dec 2024 | Solar |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2024 | Distillate Fuel Oil | |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.3 GWh | Mar 1982 | Dec 2024 | Distillate Fuel Oil | |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 2.0 MWh | Jul 2023 | Dec 2024 | Distillate Fuel Oil | |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 157.1 GWh | Apr 1948 | Dec 2024 | Residual Fuel Oil | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 623.0 GWh | Nov 1971 | Dec 2025 | Distillate Fuel Oil | |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 210.0 MWh | Mar 2001 | Dec 2024 | Distillate Fuel Oil | |
| 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 |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 265.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 257.7 GWh | Oct 2021 | Dec 2025 | Solar |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 352.1 GWh | Nov 2021 | Dec 2025 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 369.7 GWh | Nov 2020 | Dec 2025 | Solar |
| Selective Insurance | MaxSolar | Branchville, NJ | PJM Interconnection, LLC (PJM) | 4.5 GWh | Oct 2019 | 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 |
| 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 |
| Independence II Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 14.0 GWh | May 2018 | Dec 2025 | Solar |
| Independence Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 4.4 GWh | Feb 2017 | Dec 2025 | Solar |
| BPU Solar Farm | MC Power Companies Inc | Kansas City, KS | Southwest Power Pool (SWPP) | 1.8 GWh | Aug 2017 | Dec 2024 | Solar |
| MC1 Solar | MC1 Solar Farm, LLC | Williamston, NC | PJM Interconnection, LLC (PJM) | 8.8 GWh | Jul 2016 | Dec 2024 | Solar |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 7.3 GWh | Mar 2021 | Oct 2024 | Water |
| Derby Hydro | McCallum Enterprises I LP | Shelton, CT | ISO New England (ISNE) | 23.9 GWh | Dec 1988 | Dec 2024 | Water |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 646.7 GWh | Jul 2015 | Dec 2024 | Solar |
| 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 |
| McGrath | McGrath Light & Power Co | McGrath, AK | 1.9 GWh | Nov 1988 | Dec 2024 | Distillate Fuel Oil | |
| Combined Locks Energy Center | McKinley Paper | Combined Locks, WI | Midcontinent Independent System Operator, Inc. (MISO) | 310.4 GWh | Apr 2002 | Dec 2024 | Natural Gas |
| 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 |
| McMinnville | McMinnville Electric System | McMinnville, TN | Tennessee Valley Authority (TVA) | 95.0 MWh | May 2001 | Dec 2024 | Distillate Fuel Oil |
| 15 Glen Harris RD | ME Sandy River LLC | New Sharon, ME | ISO New England (ISNE) | 1.8 GWh | May 2024 | Dec 2024 | Solar |
| Mead Coated Board | Mead Coated Board Inc | Mahrt, AL | Southern Company Services, Inc. - Trans (SOCO) | 724.1 GWh | Oct 1966 | Dec 2025 | Black Liquor : 39.5% Wood/Wood Waste Solids : 34.5% Natural Gas : 26.0% |
| Indiana Crossroads Solar Park | Meadow Lake Solar Park | Reynolds, IN | Midcontinent Independent System Operator, Inc. (MISO) | 378.9 GWh | May 2023 | Dec 2025 | Solar |
| 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 |
| 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 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 LLC | Meadow Lake Wind Farm LLC | Lafayette, IN | PJM Interconnection, LLC (PJM) | 442.8 GWh | Sep 2009 | Dec 2024 | Wind |
| Meadow Lake Wind Farm V LLC | Meadow Lake Wind Farm V LLC | Chalmers, IN | PJM Interconnection, LLC (PJM) | 331.2 GWh | Jun 2017 | Dec 2025 | Wind |
| Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 641.8 GWh | Oct 2018 | Dec 2025 | Wind |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jun 2012 | Dec 2024 | Wind |
| Meadowlark Solar | Meadowlark Solar, LLC | Dunn, NC | Duke Energy Progress East (CPLE) | 9.4 GWh | Aug 2018 | Dec 2024 | Solar |
| New Frontier Wind | Meadowlark Wind I LLC | Ruso, ND | Midcontinent Independent System Operator, Inc. (MISO) | 386.8 GWh | Nov 2018 | Dec 2025 | Wind |
| Mankato Energy Center | MEC Holdings, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Jun 2006 | Dec 2024 | Natural Gas |
| Mechanicsville Solar | Mechanicsville Solar, LLC | Mechanicsville, VA | PJM Interconnection, LLC (PJM) | 55.4 GWh | Aug 2020 | Dec 2025 | Solar |
| Mechanicville Hydroelectric Station | Mechanicville Hydroelectric Station | Mechanicville, NY | New York Independent System Operator (NYIS) | 21.8 GWh | Apr 2011 | Dec 2024 | Water |
| Medin 2 Community Solar LLC CSG | Medin 2 Community Solar LLC | Center City, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Jul 2021 | Dec 2024 | Solar |
| Medusa NY 1 | Medusa NY 1, LLC | Medusa, NY | New York Independent System Operator (NYIS) | 3.3 GWh | May 2020 | Dec 2024 | Solar |
| Bidwell Ditch Project | Mega Renewables | Hat Creek, CA | California Independent System Operator (CISO) | 10.7 GWh | Feb 1987 | Dec 2024 | Water |
| Hatchet Creek Project | Mega Renewables | Montgomery Creek, CA | California Independent System Operator (CISO) | 22.6 GWh | Nov 1986 | Dec 2024 | Water |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | Jun 1945 | Dec 2024 | Distillate Fuel Oil |
| Melrose 2 | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Feb 2014 | Dec 2024 | Distillate Fuel Oil |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 106.6 GWh | Dec 1937 | Dec 2025 | Wood/Wood Waste Solids : 99.8% |
| Mendota | Mendota US Solar 1 LLC | Mendota, IL | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2020 | Dec 2024 | Solar |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 267.9 GWh | Jun 1967 | Dec 2024 | Water |
| Parker | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 5.5 GWh | Mar 1982 | Oct 2024 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 31.8 GWh | Jun 1967 | Dec 2024 | Water |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| Merck - Upper Gwynedd Solar Array | Merck - Upper Gwynedd Solar Array | North Wales, PA | PJM Interconnection, LLC (PJM) | 1.6 GWh | Dec 2010 | Dec 2024 | Solar |
| Elkton | Merck & Co Inc | Elkton, VA | PJM Interconnection, LLC (PJM) | 12.4 GWh | May 1982 | Dec 2024 | Natural Gas : 99.3% Distillate Fuel Oil : 0.7% |
| Merck Rahway Power Plant | Merck & Co Inc | Rahway, NJ | PJM Interconnection, LLC (PJM) | 39.3 GWh | Dec 1976 | Dec 2025 | Natural Gas : 99.5% |
| West Point (PA) | Merck & Co Inc-West Point | West Point, PA | PJM Interconnection, LLC (PJM) | 272.0 GWh | Dec 1971 | Dec 2024 | Natural Gas |
| Lockwood Hydroelectric Facility | Merimil Ltd Partnership | Waterville, ME | ISO New England (ISNE) | 13.6 GWh | Sep 1985 | Dec 2024 | Water |
| Rotor Clip | MERIT SI | Somerset, NJ | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2018 | Dec 2023 | Solar |
Summary of Power Plants By State
Figures are based on December 2025 generation numbers.| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 76 | 12,766.12 GWh |
| Alaska | # 48 | 139 | 625.46 GWh |
| Arizona | # 16 | 183 | 8,962.31 GWh |
| Arkansas | # 29 | 114 | 5,525.50 GWh |
| California | # 5 | 1,683 | 14,393.99 GWh |
| Colorado | # 31 | 297 | 4,649.38 GWh |
| Connecticut | # 34 | 162 | 4,087.83 GWh |
| Delaware | # 49 | 33 | 469.96 GWh |
| District of Columbia | # 51 | 16 | 14.80 GWh |
| Florida | # 3 | 333 | 19,379.32 GWh |
| Georgia | # 8 | 248 | 12,492.24 GWh |
| Hawaii | # 46 | 70 | 814.97 GWh |
| Idaho | # 41 | 146 | 2,123.12 GWh |
| Illinois | # 4 | 379 | 17,546.79 GWh |
| Indiana | # 13 | 214 | 9,789.95 GWh |
| Iowa | # 20 | 293 | 7,310.28 GWh |
| Kansas | # 28 | 183 | 5,586.75 GWh |
| Kentucky | # 22 | 60 | 6,716.43 GWh |
| Louisiana | # 17 | 84 | 8,587.03 GWh |
| Maine | # 45 | 215 | 1,484.81 GWh |
| Maryland | # 37 | 203 | 3,225.85 GWh |
| Massachusetts | # 43 | 640 | 2,073.13 GWh |
| Michigan | # 11 | 269 | 11,734.82 GWh |
| Minnesota | # 27 | 764 | 5,712.30 GWh |
| Mississippi | # 24 | 56 | 6,090.79 GWh |
| Missouri | # 23 | 125 | 6,623.76 GWh |
| State | Rank | Active Plants | Dec 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,639.28 GWh |
| Nebraska | # 36 | 125 | 3,667.32 GWh |
| Nevada | # 38 | 114 | 3,217.22 GWh |
| New Hampshire | # 44 | 56 | 1,878.83 GWh |
| New Jersey | # 30 | 387 | 5,182.27 GWh |
| New Mexico | # 35 | 142 | 3,818.41 GWh |
| New York | # 10 | 950 | 11,800.05 GWh |
| North Carolina | # 9 | 904 | 12,153.04 GWh |
| North Dakota | # 33 | 58 | 4,218.72 GWh |
| Ohio | # 6 | 198 | 13,425.53 GWh |
| Oklahoma | # 18 | 141 | 7,637.23 GWh |
| Oregon | # 21 | 272 | 6,788.64 GWh |
| Pennsylvania | # 2 | 252 | 22,539.49 GWh |
| Rhode Island | # 47 | 100 | 775.70 GWh |
| South Carolina | # 15 | 207 | 8,967.44 GWh |
| South Dakota | # 42 | 52 | 2,122.20 GWh |
| Tennessee | # 19 | 88 | 7,328.17 GWh |
| Texas | # 1 | 947 | 46,150.81 GWh |
| Utah | # 39 | 125 | 2,845.12 GWh |
| Vermont | # 50 | 116 | 189.85 GWh |
| Virginia | # 14 | 237 | 9,421.16 GWh |
| Washington | # 12 | 135 | 10,635.09 GWh |
| West Virginia | # 26 | 39 | 5,763.55 GWh |
| Wisconsin | # 25 | 243 | 5,804.32 GWh |
| Wyoming | # 32 | 70 | 4,436.68 GWh |