Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Deer Island Treatment Plant | Massachusetts Wtr Rauth-Deer I | Winthrop, MA | ISO New England (ISNE) | 33.4 GWh | Jul 1995 | Sep 2025 | Other Biomass Gas : 83.9% Distillate Fuel Oil : 10.8% Wind : 2.6% Solar : 1.9% Water : 0.9% |
| 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 |
| Hana Substation | Maui Electric Co Ltd | Hana, HI | 210.0 MWh | Mar 2001 | Dec 2024 | Distillate Fuel Oil | |
| Kuihelani Substation | Maui Electric Co Ltd | Kahului, HI | 2.0 MWh | Jul 2023 | Dec 2024 | Distillate Fuel Oil | |
| Palaau Power Hybrid | Maui Electric Co Ltd | Kaunakakai, HI | 31.3 GWh | Mar 1982 | Dec 2024 | Distillate Fuel Oil | |
| Miki Basin | Maui Electric Co Ltd | Lanai City, HI | 35.1 GWh | Mar 1990 | Dec 2024 | Distillate Fuel Oil | |
| Maalaea | Maui Electric Co Ltd | Kihei, HI | 603.0 GWh | Nov 1971 | Sep 2025 | Distillate Fuel Oil | |
| Kahului | Maui Electric Co Ltd | Kahului, HI | 157.1 GWh | Apr 1948 | Dec 2024 | Residual 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) | 264.8 GWh | Nov 2020 | Sep 2025 | 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 |
| 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 |
| BPU Solar Farm | MC Power Companies Inc | Kansas City, KS | Southwest Power Pool (SWPP) | 1.8 GWh | Aug 2017 | Dec 2024 | Solar |
| Independence II Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 14.4 GWh | May 2018 | Sep 2025 | Solar |
| Independence Solar Farm | MC Power Companies Inc | Independence, MO | Southwest Power Pool (SWPP) | 4.6 GWh | Feb 2017 | Sep 2025 | 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) | 715.8 GWh | Oct 1966 | Sep 2025 | Black Liquor : 38.9% Wood/Wood Waste Solids : 34.1% Natural Gas : 27.0% |
| Indiana Crossroads Solar Park | Meadow Lake Solar Park | Reynolds, IN | Midcontinent Independent System Operator, Inc. (MISO) | 375.7 GWh | May 2023 | Sep 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) | 323.7 GWh | Jun 2017 | Sep 2025 | Wind |
| Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 639.7 GWh | Oct 2018 | Sep 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) | 383.7 GWh | Nov 2018 | Sep 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) | 55.5 GWh | Aug 2020 | Sep 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 2 | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Feb 2014 | Dec 2024 | Distillate Fuel Oil |
| Melrose | Melrose Public Utilities | Melrose, MN | Midcontinent Independent System Operator, Inc. (MISO) | 49.0 MWh | Jun 1945 | Dec 2024 | Distillate Fuel Oil |
| Humboldt Sawmill Company | Mendocino Forest Products | Scotia, CA | California Independent System Operator (CISO) | 110.1 GWh | Dec 1937 | Sep 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 |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.4 GWh | Jun 1930 | Oct 2024 | Water |
| Exchequer | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 267.9 GWh | Jun 1967 | Dec 2024 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 31.8 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 |
| 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 |
| Merck Rahway Power Plant | Merck & Co Inc | Rahway, NJ | PJM Interconnection, LLC (PJM) | 33.4 GWh | Dec 1976 | Sep 2025 | Natural Gas : 99.4% Solar : 0.5% |
| 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% |
| 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 |
| Merrimack Solar Farm, LLC | Merrimack Solar Farm | Merrimack, NH | ISO New England (ISNE) | 3.5 GWh | Dec 2018 | Dec 2024 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 123.2 GWh | May 2024 | Sep 2025 | Wind |
| Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.1 TWh | Nov 2003 | Sep 2025 | Natural Gas |
| Mesquite Star | Mesquite Star Special LLC | Roscoe, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 TWh | Feb 2020 | Sep 2025 | Wind |
| Post Oak Wind LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 405.9 GWh | Feb 2008 | Sep 2025 | Wind |
| Mesquite Wind Power LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 339.8 GWh | Oct 2007 | Sep 2025 | Wind |
| Messalonskee 2 (Oakland) | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 10.8 GWh | Dec 1923 | Dec 2024 | Water |
| Messalonskee 3 | Messalonskee Stream Hydro LLC | Oakland, ME | ISO New England (ISNE) | 6.5 GWh | Dec 1917 | Dec 2024 | Water |
| Messalonskee 5 | Messalonskee Stream Hydro LLC | Waterville, ME | ISO New England (ISNE) | 3.3 GWh | Dec 1934 | Dec 2024 | Water |
| Centennial | Metlakatla Power & Light | Metlakatla, AK | 484.0 MWh | Mar 1987 | Dec 2024 | Distillate Fuel Oil | |
| Chester Lake | Metlakatla Power & Light | Metlakatla, AK | 5.1 GWh | Dec 1987 | Dec 2024 | Water | |
| Purple Lake | Metlakatla Power & Light | Metlakatla, AK | 12.3 GWh | Dec 1955 | Dec 2024 | Water | |
| Lockport Powerhouse | Metro Wtr Recl Dist Grtr Chi | Lockport, IL | PJM Interconnection, LLC (PJM) | 10.1 GWh | Jan 1999 | Sep 2025 | Water |
| St. Paul Intl Airport Red & Blue Parking | Metropolitan Airports Commission | St. Paul, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Nov 2015 | Sep 2025 | Solar |
| Goodwin Hydroelectric | Metropolitan Dist of Hartford | W. Hartland, CT | ISO New England (ISNE) | 8.9 GWh | Mar 1986 | Dec 2024 | Water |
| Metropolitan Sewerage District | Metropolitan Sewerage District | Asheville, NC | Duke Energy Progress East (CPLE) | 2.4 GWh | Aug 1988 | Sep 2025 | Water |
| Diamond Valley Lake | Metropolitan Water District of S CA | Winchester, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 2001 | Apr 2024 | Water |
| Etiwanda | Metropolitan Water District of S CA | Rancho Cucamonga, CA | California Independent System Operator (CISO) | 21.1 GWh | Nov 1994 | Mar 2024 | Water |
| Temescal | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 16.8 GWh | Jun 1983 | Dec 2024 | Water |
| Corona | Metropolitan Water District of S CA | Corona, CA | California Independent System Operator (CISO) | 14.5 GWh | Jul 1983 | Dec 2024 | Water |
| Perris | Metropolitan Water District of S CA | Perris, CA | California Independent System Operator (CISO) | 5.4 GWh | Apr 1983 | Jan 2024 | Water |
| Red Mountain | Metropolitan Water District of S CA | Fallbrook, CA | California Independent System Operator (CISO) | 34.3 GWh | May 1985 | Oct 2024 | Water |
| Foothill Feeder | Metropolitan Water District of S CA | Castaic, CA | California Independent System Operator (CISO) | 19.6 GWh | Mar 1981 | Dec 2023 | Water |
| Lake Mathews | Metropolitan Water District of S CA | Riverside, CA | California Independent System Operator (CISO) | 8.0 GWh | Jul 1980 | Jul 2024 | Water |
| Weymouth Solar Plant | Metropolitan Water District of S CA | La Verne, CA | California Independent System Operator (CISO) | 4.8 GWh | May 2016 | Dec 2024 | Solar |
| MEVS DOT 109 | MEVS DOT, LLC | Augusta, ME | ISO New England (ISNE) | 3.8 GWh | Jun 2023 | Dec 2024 | Solar |
| MF Mesa Lane LLC | MF Mesa Lane LLC | Morrisville, PA | PJM Interconnection, LLC (PJM) | 3.4 GWh | Oct 2008 | Dec 2024 | Solar |
| South District Wastewater Treatment Plt | Miami Dade Water & Sewer Dept | Miami, FL | Florida Power & Light Co. (FPL) | 20.6 GWh | Feb 1991 | Sep 2025 | Natural Gas : 57.3% Other Biomass Gas : 42.7% |
| Michelangelo Wind 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Feb 2017 | Dec 2024 | Wind |
| Michelangelo Wind 3 LLC | Michelangelo Wind 3 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 GWh | Jan 2017 | Dec 2024 | Wind |
| Michelangelo Wind 4 LLC | Michelangelo Wind 4 LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.4 GWh | Nov 2016 | Dec 2024 | Wind |
| Michigan Power LP | Michigan Power Limited Partnership | Ludington, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Sep 1995 | Dec 2024 | Natural Gas |
| Kalkaska CT #1 | Michigan Public Power Agency | Kalkaska, MI | Midcontinent Independent System Operator, Inc. (MISO) | 47.8 GWh | Nov 2002 | Dec 2024 | Natural Gas |
| T B Simon Power Plant | Michigan State University | East Lansing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 249.5 GWh | Nov 1965 | Sep 2025 | Natural Gas |
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 |