Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| McCook | Nebraska Public Power District | McCook, NE | Southwest Power Pool (SWPP) | 2.1 GWh | May 1973 | Nov 2023 | Distillate Fuel Oil |
| McManus | Georgia Power Co | Brunswick, GA | Southern Company Services, Inc. - Trans (SOCO) | 18.1 GWh | Oct 1952 | Nov 2023 | Distillate Fuel Oil |
| McPherson 3 | City of McPherson - (KS) | McPherson, KS | Southwest Power Pool (SWPP) | 15.5 GWh | Sep 1998 | Nov 2023 | Natural Gas : 97.6% Distillate Fuel Oil : 2.4% |
| Midway Peaking LLC | CalPeak Power, LLC | Firebaugh, CA | California Independent System Operator (CISO) | 25.7 GWh | Apr 2009 | Nov 2023 | Natural Gas |
| Minnesota River | Minnesota Municipal Power Agny | Chaska, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 GWh | Apr 2001 | Nov 2023 | Natural Gas |
| Mountain Creek | Mountain Creek Power, LLC | Dallas, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 654.1 GWh | Jan 1956 | Nov 2023 | Natural Gas |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 275.0 MWh | Apr 1979 | Dec 2023 | Kerosene |
| M72 West Solar | Heritage Sustainable Energy. LLC | Traverse City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Nov 2019 | Dec 2023 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | California Independent System Operator (CISO) | 4.2 GWh | Sep 2013 | Dec 2023 | Solar |
| MA Blackstone | Catalyze Blackstone 83 Federal Street Microgrid, LLC | Blackstone, MA | ISO New England (ISNE) | 4.5 GWh | Jun 2022 | Dec 2023 | Solar |
| MA CS Uxbridge Community Solar | MA CS Uxbridge, LLC | Uxbridge, MA | ISO New England (ISNE) | 4.3 GWh | Jan 2023 | Dec 2023 | Solar |
| MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 9.7 GWh | Nov 2009 | Dec 2023 | Wind |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.3 GWh | Feb 2018 | Dec 2023 | Solar |
| Macbeth Solar | Macbeth Solar, LLC | Montague, MI | Midcontinent Independent System Operator, Inc. (MISO) | 36.1 GWh | Apr 2022 | Dec 2023 | Solar |
| Macedon | Solar Planet Power | Macedon, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Jan 2019 | Dec 2023 | Solar |
| Macho Springs | Southern Power Co | Deming, NM | El Paso Electric Company (EPE) | 115.5 GWh | Apr 2014 | Dec 2023 | Solar |
| Macho Springs Power I | Capital Power Corporation | Deming, NM | El Paso Electric Company (EPE) | 131.8 GWh | Oct 2011 | Dec 2023 | Wind |
| MacKinnon Solar | Ecos Energy LLC | Rutland, VT | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2023 | Solar |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 322.3 GWh | Nov 2014 | Dec 2023 | Wind |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 7.3 GWh | Dec 1939 | Dec 2023 | Water |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 87.3 GWh | Apr 2003 | Dec 2023 | Natural Gas |
| Madelyn Solar, LLC | CD US Solar PO 3, LLC | Silver Lake, CA | California Independent System Operator (CISO) | 2.5 GWh | Nov 2014 | Dec 2023 | Solar |
| Madera 1 PV | ZGlobal Inc | Madera, CA | California Independent System Operator (CISO) | 2.7 GWh | Nov 2017 | Dec 2023 | Solar |
| Madison | Duke Energy Indiana, LLC | Trenton, OH | PJM Interconnection, LLC (PJM) | 928.1 GWh | May 2000 | Dec 2023 | Natural Gas |
| Madison County | AEP Onsite Partners, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 2.6 GWh | Jul 2017 | Dec 2023 | Solar |
| Madison Solar | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 1.6 GWh | Dec 2020 | Dec 2023 | Solar |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 26.0 MWh | Mar 1953 | Dec 2023 | Distillate Fuel Oil |
| Magdaline Solar, LLC | Magdaline Solar, LLC | Lynchburg, SC | Duke Energy Progress East (CPLE) | 1.1 GWh | Aug 2023 | Dec 2023 | Solar |
| Mahoning | WM Renewable Energy LLC | New Springfield, OH | PJM Interconnection, LLC (PJM) | 28.9 GWh | Dec 2012 | Dec 2023 | Landfill Gas |
| Mahoning Creek Hydroelectric Project | Eagle Creek Renewable Energy, LLC | New Bethlehem, PA | PJM Interconnection, LLC (PJM) | 8.5 GWh | Nov 2013 | Dec 2023 | Water |
| Maiden Community Center | North Carolina Mun Power Agny #1 | Maiden, NC | Duke Energy Carolinas (DUK) | 30.0 MWh | Aug 2006 | Dec 2023 | Distillate Fuel Oil |
| Main Rd Community Solar | AES Distributed Energy | Newstead, NY | ISO New England (ISNE) | 8.2 GWh | Jun 2022 | Dec 2023 | Solar |
| Main Street (MI) | Village of Sebewaing - (MI) | Sebewaing, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | May 1947 | Dec 2023 | Distillate Fuel Oil |
| Main Street Solar Project | Greenbacker Renewable Energy Corporation | Rutland, VT | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2023 | Solar |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 936.9 GWh | Apr 2000 | Dec 2023 | Natural Gas |
| Mainely Solar (Wyman Hill Solar LLC) | Wyman Hill Solar, LLC | Rumford, ME | ISO New England (ISNE) | 3.9 GWh | Nov 2022 | Dec 2023 | Solar |
| Mainline Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 54.9 GWh | Nov 2012 | Dec 2023 | Wind |
| Majestic 1 Wind Farm | NextEra Energy Majestic Wind | Panhandle, TX | Southwest Power Pool (SWPP) | 345.1 GWh | Dec 2008 | Dec 2023 | Wind |
| Majestic II Wind | NextEra Energy Majestic Wind | Panhandle, TX | Southwest Power Pool (SWPP) | 180.7 GWh | Jul 2012 | Dec 2023 | Wind |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 75.0 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Malech Solar Farm | County of Santa Clara (CA) | San Jose, CA | California Independent System Operator (CISO) | 5.3 GWh | Sep 2017 | Dec 2023 | Solar |
| Malmedal Solar Garden | Malmedal Garden LLC | Starbuck, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Jun 2019 | Dec 2023 | Solar |
| Malone Solar Site | Helios NY I, LLC | Malone, NY | New York Independent System Operator (NYIS) | 1.4 GWh | Nov 2018 | Dec 2023 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 57.7 GWh | Nov 1984 | Dec 2023 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 62.3 GWh | Nov 1990 | Dec 2023 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 104.0 GWh | Nov 1990 | Dec 2023 | Geothermal |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 739.8 GWh | Nov 2014 | Dec 2023 | Wind |
| Manalapan Village Solar | NJR Clean Energy Ventures Corporation | Manalapan, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | Nov 2011 | Dec 2023 | Solar |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.4 GWh | Sep 2018 | Dec 2023 | Solar |
| Manchester Community College North | Onyx Asset Services Group | Great Path, CT | ISO New England (ISNE) | 1.5 GWh | Sep 2018 | Dec 2023 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 3.0 GWh | Nov 2012 | Dec 2023 | Solar |
| Manheim New Jersey | Cox Enterprises | Bordentown, NJ | PJM Interconnection, LLC (PJM) | 2.9 GWh | May 2009 | Dec 2023 | Solar |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 977.0 MWh | Jun 1960 | Dec 2023 | Distillate Fuel Oil |
| Manitou Springs | City of Colorado Springs - (CO) | Manitou Spring, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 14.6 GWh | Apr 1927 | Dec 2023 | Water |
| Mankato Energy Center | MEC Holdings, LLC | Mankato, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 TWh | Jun 2006 | Dec 2023 | Natural Gas |
| Manning PV 1 | Ecoplexus, Inc | Elon, NC | Duke Energy Carolinas (DUK) | 9.2 GWh | Nov 2018 | Dec 2023 | Solar |
| Manteca Land PV | AES Distributed Energy | Manteca, CA | California Independent System Operator (CISO) | 444.0 MWh | Nov 2017 | Dec 2023 | Solar |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 1.8 GWh | Dec 1988 | Dec 2023 | Water |
| Manti Upper | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 58.0 MWh | Dec 1938 | Dec 2023 | Water |
| Manway Solar Farm | Strata Manager, LLC | Garland, NC | Duke Energy Progress East (CPLE) | 9.3 GWh | Nov 2015 | Dec 2023 | Solar |
| Manzana Wind LLC | Avangrid Renewables LLC | Rosamond, CA | California Independent System Operator (CISO) | 468.5 GWh | Nov 2012 | Dec 2023 | Wind |
| Manzano Solar | PNM Resources | Los Lunas, NM | Public Service Company of New Mexico (PNM) | 17.5 GWh | Sep 2013 | Dec 2023 | Solar |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 2.9 GWh | Nov 2022 | Dec 2023 | Solar |
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 5.8 GWh | Oct 2021 | Dec 2023 | Solar |
| Maple Solar | NFI Solar LLC | Vineland, NJ | PJM Interconnection, LLC (PJM) | 3.3 GWh | Apr 2011 | Dec 2023 | Solar |
| Mapleton Community Solar | Mapleton Community Solar | Mapleton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | May 2017 | Dec 2023 | Solar |
| Maquoketa 1 | City of Maquoketa - (IA) | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 MWh | May 1956 | Dec 2023 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Marathon Solar Farm II LLC North | Distributed Solar Development, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 4.2 GWh | Nov 2020 | Dec 2023 | Solar |
| Marathon Solar Farm LLC South | Distributed Solar Development, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 6.6 GWh | Nov 2020 | Dec 2023 | Solar |
| Marble Falls | Lower Colorado River Authority | Marble Falls, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.2 GWh | Aug 1951 | Dec 2023 | Water |
| Marceline | City of Marceline - (MO) | Marceline, MO | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Jul 1989 | Dec 2023 | Distillate Fuel Oil |
| Marengo Solar | DG Illinois Solar, LLC | Marengo, IL | PJM Interconnection, LLC (PJM) | 3.7 GWh | Nov 2020 | Dec 2023 | Solar |
| Marengo Wind Plant | PacifiCorp | Dayton, WA | PacifiCorp West (PACW) | 560.6 GWh | Jul 2007 | Dec 2023 | Wind |
| Mariah del Norte | BHE Renewables, LLC | Friona, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 867.8 GWh | Oct 2016 | Dec 2023 | Wind |
| Mariani Packing Vacaville Solar | SunE U6 Holdings LLC | Vacaville, CA | California Independent System Operator (CISO) | 891.0 MWh | Oct 2008 | Dec 2023 | Solar |
| Maricopa West Solar PV, LLC | Onward Energy | Taft, CA | California Independent System Operator (CISO) | 40.6 GWh | Nov 2015 | Dec 2023 | Solar |
| Marigold Community Solar Garden, LLC | National Grid Renewables | Waterville, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Dec 2020 | Dec 2023 | Solar |
| Marin Clean Energy Solar One | AES Distributed Energy | Richmond, CA | California Independent System Operator (CISO) | 19.9 GWh | Nov 2017 | Dec 2023 | Solar |
| Marina Landfill Gas | Monterey Regional Waste Mgmt | Marina, CA | California Independent System Operator (CISO) | 34.0 GWh | Mar 1998 | Dec 2023 | Landfill Gas |
| Marina South | Altus Power America Management, LLC | San Pedro, CA | California Independent System Operator (CISO) | 1.8 GWh | Nov 2020 | Dec 2023 | Solar |
| Marion Garden | Excelsior Energy Capital | Faribault, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2020 | Dec 2023 | Solar |
| Marion Solar LNG | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Sep 2015 | Dec 2023 | Solar |
| Mariposa Solar Center LLC | Heelstone Energy Holdings, LLC | Stanley, NC | Duke Energy Carolinas (DUK) | 9.1 GWh | Aug 2016 | Dec 2023 | Solar |
| Market Farm | Palmetto Power Management LLC | Reidsville, NC | Duke Energy Carolinas (DUK) | 8.5 GWh | Sep 2014 | Dec 2023 | Solar |
| Markham | Grand River Dam Authority | Locust Grove, OK | Southwest Power Pool (SWPP) | 123.5 GWh | Apr 1964 | Dec 2023 | Water |
| Markland | Duke Energy Indiana, LLC | Florence, IN | Midcontinent Independent System Operator, Inc. (MISO) | 394.7 GWh | Dec 1966 | Dec 2023 | Water |
| Marlboro Mushrooms Solar Field | Marlboro Mushroom | West Grove, PA | PJM Interconnection, LLC (PJM) | 1.5 GWh | Oct 2011 | Dec 2023 | Solar |
| Marlborough Solar | Marlborough Solar, LLC | Milton, NY | ISO New England (ISNE) | 3.2 GWh | Feb 2021 | Dec 2023 | Solar |
| Marlin Solar | Cypress Creek Renewables | Marlin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 10.3 GWh | Nov 2017 | Dec 2023 | Solar |
| Marlow Solar, LLC CSG | Marlow Solar, LLC | Bluford, IL | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 2020 | Dec 2023 | Solar |
| Marmas Solar CSG | National Grid Renewables | St. Cloud, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.5 GWh | Mar 2018 | Dec 2023 | Solar |
| Marmet | Appalachian Power Co | Marmet, WV | PJM Interconnection, LLC (PJM) | 58.7 GWh | Nov 1935 | Dec 2023 | Water |
| Marquette Energy Center | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 152.6 GWh | Jul 2017 | Dec 2023 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 104.8 GWh | Feb 2007 | Dec 2023 | Wind |
| Mars Solar | Sol Systems | Bruni, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 23.0 GWh | Jul 2019 | Dec 2023 | Solar |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 48.5 GWh | Sep 1984 | Dec 2023 | Natural Gas |
| Marsh Hill Wind Farm | Invenergy Services LLC | Jasper, NY | New York Independent System Operator (NYIS) | 38.1 GWh | Oct 2014 | Dec 2023 | Wind |
| Marsh Run Generation Facility | Old Dominion Electric Coop | Remington, VA | PJM Interconnection, LLC (PJM) | 215.4 GWh | Aug 2004 | Dec 2023 | Natural Gas : 99.6% |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Dec 2023 | Water |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.6 GWh | May 1994 | Dec 2023 | Distillate Fuel Oil |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Alabama | # 7 | 75 | 10,399.45 GWh |
| Alaska | # 48 | 137 | 460.30 GWh |
| Arizona | # 16 | 167 | 7,756.35 GWh |
| Arkansas | # 29 | 79 | 4,503.48 GWh |
| California | # 5 | 1,565 | 15,306.94 GWh |
| Colorado | # 30 | 257 | 4,337.74 GWh |
| Connecticut | # 31 | 152 | 3,831.37 GWh |
| Delaware | # 50 | 30 | 183.34 GWh |
| District of Columbia | # 51 | 12 | 15.27 GWh |
| Florida | # 3 | 305 | 18,686.61 GWh |
| Georgia | # 9 | 239 | 9,979.52 GWh |
| Hawaii | # 46 | 67 | 749.10 GWh |
| Idaho | # 43 | 126 | 1,488.21 GWh |
| Illinois | # 4 | 332 | 15,592.21 GWh |
| Indiana | # 12 | 201 | 8,849.97 GWh |
| Iowa | # 20 | 279 | 6,323.45 GWh |
| Kansas | # 25 | 157 | 5,176.23 GWh |
| Kentucky | # 24 | 56 | 5,180.56 GWh |
| Louisiana | # 18 | 81 | 6,708.43 GWh |
| Maine | # 45 | 157 | 1,313.29 GWh |
| Maryland | # 39 | 179 | 2,427.73 GWh |
| Massachusetts | # 42 | 597 | 1,608.56 GWh |
| Michigan | # 10 | 263 | 9,898.87 GWh |
| Minnesota | # 26 | 736 | 5,082.27 GWh |
| Mississippi | # 19 | 53 | 6,374.07 GWh |
| Missouri | # 21 | 116 | 5,776.95 GWh |
| State | Rank | Active Plants | Mar 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 67 | 2,309.70 GWh |
| Nebraska | # 37 | 117 | 3,008.88 GWh |
| Nevada | # 34 | 109 | 3,381.98 GWh |
| New Hampshire | # 44 | 56 | 1,374.49 GWh |
| New Jersey | # 28 | 371 | 4,514.07 GWh |
| New Mexico | # 35 | 138 | 3,378.20 GWh |
| New York | # 8 | 818 | 10,278.94 GWh |
| North Carolina | # 11 | 877 | 9,080.20 GWh |
| North Dakota | # 33 | 57 | 3,690.67 GWh |
| Ohio | # 6 | 190 | 11,252.37 GWh |
| Oklahoma | # 17 | 129 | 6,972.70 GWh |
| Oregon | # 22 | 254 | 5,543.74 GWh |
| Pennsylvania | # 2 | 237 | 19,658.43 GWh |
| Rhode Island | # 47 | 94 | 622.24 GWh |
| South Carolina | # 14 | 194 | 8,606.12 GWh |
| South Dakota | # 41 | 52 | 1,945.10 GWh |
| Tennessee | # 23 | 85 | 5,241.09 GWh |
| Texas | # 1 | 818 | 43,194.33 GWh |
| Utah | # 36 | 114 | 3,056.84 GWh |
| Vermont | # 49 | 112 | 230.44 GWh |
| Virginia | # 15 | 214 | 8,465.83 GWh |
| Washington | # 13 | 127 | 8,662.62 GWh |
| West Virginia | # 38 | 36 | 2,977.95 GWh |
| Wisconsin | # 27 | 222 | 4,571.79 GWh |
| Wyoming | # 32 | 69 | 3,817.24 GWh |