Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| M. G. Emmett J. Bean Federal Center | U.S. General Services Administration | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 519.0 MWh | Mar 2011 | Dec 2024 | Solar |
| Macys Goodyear | Macys Corporate Services, Inc | Goodyear, AZ | Arizona Public Service Company (AZPS) | 3.1 GWh | Nov 2010 | Dec 2024 | Solar |
| Martin Marietta Wind Project | Sandusky Wind 33, LLC | Woodville, OH | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2023 | Dec 2024 | Wind |
| Maywood Photovoltaic Project | ENI New Energy US Inc | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 11.5 GWh | Feb 2014 | Dec 2024 | Solar |
| McKee City Solar Phase 2 | MN8 Energy LLC | Egg Harbor Township, NJ | PJM Interconnection, LLC (PJM) | 922.0 MWh | Nov 2011 | Dec 2024 | Solar |
| Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 80.1 GWh | May 2024 | Dec 2024 | Wind |
| Minot Wind Project | Basin Electric Power Coop | Minot, ND | Southwest Power Pool (SWPP) | 18.2 GWh | Dec 2002 | Dec 2024 | Wind |
| Minwind | Community Renewables, LLC | Luverne, MN | Midcontinent Independent System Operator, Inc. (MISO) | 276.0 MWh | Sep 2002 | Dec 2024 | Wind |
| MSC-GreyCloud01 Community Solar | MSC-GreyCloud01 LLC | St. Paul Park, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Feb 2019 | Dec 2024 | Solar |
| MSC-Scandia01 CSG | MSC-Scandia01 LLC | Scandia, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2019 | Dec 2024 | Solar |
| Munster Landfill Gas-to-Energy | Town of Munster | Munster, IN | Midcontinent Independent System Operator, Inc. (MISO) | 3.7 GWh | Oct 2012 | Dec 2024 | Landfill Gas |
| Marshall Solar (IL) | Altorfer Inc. | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Mar 2025 | Jan 2025 | Solar |
| Minnesota River | Minnesota Municipal Power Agny | Chaska, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | Apr 2001 | Jan 2025 | Natural Gas |
| MSC Croswell | Michigan Sugar Company | Croswell, MI | Midcontinent Independent System Operator, Inc. (MISO) | 8.0 MWh | Sep 1948 | Jan 2025 | Natural Gas |
| Marathon Generating Plant | Florida Keys El Coop Assn, Inc | Marathon, FL | Florida Power & Light Co. (FPL) | 27.7 MWh | Dec 1957 | May 2025 | Distillate Fuel Oil |
| Magic Dam Hydroelectric Project | Wood Hydro, LLC | Shoshone, ID | Idaho Power Company (IPCO) | 14.3 GWh | Apr 1989 | Jul 2025 | Water |
| Mesa Carport PV | Apple, Inc | Mesa, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 6.2 GWh | Feb 2020 | Jul 2025 | Solar |
| Manti Lower | City of Manti - (UT) | Manti, UT | PacifiCorp East (PACE) | 1.1 GWh | Dec 1988 | Aug 2025 | Water |
| Medline Ind. Phase 2 Tracy | Powerflex | Tracy, CA | California Independent System Operator (CISO) | 1.5 GWh | Mar 2018 | Aug 2025 | Solar |
| Madison Windpower LLC | Madison Windpower LLC | Madison, NY | New York Independent System Operator (NYIS) | 543.0 MWh | Sep 2000 | Sep 2025 | Wind |
| Malone Solar Site | Madison Energy Investments LLC | Malone, NY | New York Independent System Operator (NYIS) | 1.5 GWh | Nov 2018 | Sep 2025 | Solar |
| Merced Falls | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 9.1 GWh | Jun 1930 | Sep 2025 | Water |
| Monticello Project CSG | Madison Energy Investments LLC | Monticello, MN | Midcontinent Independent System Operator, Inc. (MISO) | 7.2 GWh | Oct 2018 | Sep 2025 | Solar |
| Mt. Morris Solar CSG | DG Illinois Solar, LLC | Polo, IL | PJM Interconnection, LLC (PJM) | 2.2 GWh | Nov 2020 | Sep 2025 | Solar |
| Main Canal Headworks | Columbia Basin Hydropower | Coulee City, WA | Avista Corporation (AVA) | 105.2 GWh | Dec 1986 | Oct 2025 | Water |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2025 | Water |
| Massena Energy Facility | Power City Partners LP | Massena, NY | New York Independent System Operator (NYIS) | 43.6 GWh | Jun 1992 | Oct 2025 | Natural Gas |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.4 GWh | Mar 2021 | Oct 2025 | Water |
| McClellan (AR) | Arkansas Electric Coop Corp | Camden, AR | Midcontinent Independent System Operator, Inc. (MISO) | 26.7 GWh | Apr 1972 | Oct 2025 | Natural Gas : 85.3% Distillate Fuel Oil : 14.7% |
| McPhee | U S Bureau of Reclamation | Cortez, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 1.2 GWh | Nov 1992 | Oct 2025 | Water |
| McSwain | Merced Irrigation District | Snelling, CA | California Independent System Operator (CISO) | 26.9 GWh | Jun 1967 | Oct 2025 | Water |
| Metro Support Services Center Solar | Los Angeles County Metropolitan Transportation Authority | Los Angeles, CA | Los Angeles Department of Water and Power (LDWP) | 25.0 MWh | Mar 2005 | Oct 2025 | Solar |
| Michell Butte Power Project | Owyhee Irrigation District | Nyssa, OR | Idaho Power Company (IPCO) | 6.6 GWh | Apr 1989 | Oct 2025 | Water |
| Middletown Coke Company, LLC | SunCoke Energy, Inc. | Middletown, OH | PJM Interconnection, LLC (PJM) | 360.0 GWh | Nov 2011 | Oct 2025 | Other Gas : 99.1% Natural Gas : 0.9% |
| Mile 28 Water Power Project | Wood Hydro, LLC | Eden, ID | Idaho Power Company (IPCO) | 5.3 GWh | May 1994 | Oct 2025 | Water |
| Mora Drop Hydroelectric Project | Boise Project Board of Control | Kuna, ID | Idaho Power Company (IPCO) | 4.6 GWh | May 2006 | Oct 2025 | Water |
| Mount Hope East | Mount Hope Solar 1 LLC | Mount Hope, NY | New York Independent System Operator (NYIS) | 3.3 GWh | Sep 2019 | Oct 2025 | Solar |
| Marshall Wind 2 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Nov 2007 | Nov 2025 | Wind |
| McGrigor Farm Solar | Carolina Solar Energy LLC | Clinton, NC | Duke Energy Progress East (CPLE) | 9.4 GWh | Sep 2019 | Nov 2025 | Solar |
| Millcreek Power Generation | City of St George - (UT) | St. George, UT | PacifiCorp East (PACE) | 145.0 GWh | Mar 2006 | Nov 2025 | Natural Gas |
| M Street Jet | Massachusetts Bay Trans Auth | Boston, MA | ISO New England (ISNE) | 294.0 MWh | Apr 1979 | Dec 2025 | Kerosene |
| M72 West Solar | Heritage Sustainable Energy. LLC | Traverse City, MI | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Nov 2019 | Dec 2025 | Solar |
| Ma | CD US Solar MT 2 LLC | Lancaster, CA | California Independent System Operator (CISO) | 1.8 GWh | Sep 2013 | Dec 2025 | Solar |
| MA Blackstone | Catalyze Blackstone 83 Federal Street Microgrid, LLC | Blackstone, MA | ISO New England (ISNE) | 6.6 GWh | Jun 2022 | Dec 2025 | Solar |
| MA CS Uxbridge Community Solar | MA CS Uxbridge, LLC | Uxbridge, MA | ISO New England (ISNE) | 6.6 GWh | Jan 2023 | Dec 2025 | Solar |
| MA-Dighton-A | MA CS Dighton, LLC | Dighton, MA | ISO New England (ISNE) | 5.9 GWh | May 2024 | Dec 2025 | Solar |
| MA Military Reservation Wind Project | Air Force Civil Engineer Center | Otis ANG Base Bourne, MA | ISO New England (ISNE) | 5.1 GWh | Nov 2009 | Dec 2025 | Wind |
| MA Solar Storage 1 Hybrid | Origis Energy USA, Inc | Sterling, MA | ISO New England (ISNE) | 1.2 GWh | Feb 2018 | Dec 2025 | Solar |
| Macbeth Solar | Macbeth Solar, LLC | Montague, MI | Midcontinent Independent System Operator, Inc. (MISO) | 37.6 GWh | Apr 2022 | Dec 2025 | Solar |
| Macedon | Solar Planet Power | Macedon, NY | New York Independent System Operator (NYIS) | 2.4 GWh | Jan 2019 | Dec 2025 | Solar |
| Machesney Park | Solar DG IL 1 LLC | Machesney Park, IL | PJM Interconnection, LLC (PJM) | 3.5 GWh | Nov 2024 | Dec 2025 | Solar |
| Macho Springs | Southern Power Co | Deming, NM | El Paso Electric Company (EPE) | 124.2 GWh | Apr 2014 | Dec 2025 | Solar |
| Macho Springs Power I | Capital Power Corporation | Deming, NM | El Paso Electric Company (EPE) | 115.3 GWh | Oct 2011 | Dec 2025 | Wind |
| MacKinnon Solar | Ecos Energy LLC | Rutland, VT | ISO New England (ISNE) | 3.4 GWh | Jul 2021 | Dec 2025 | Solar |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 248.7 GWh | Nov 2014 | Dec 2025 | Wind |
| Maclay Solar Project | Los Angeles Department of Water & Power | Sylmar, CA | Los Angeles Department of Water and Power (LDWP) | 824.0 MWh | Mar 2017 | Dec 2025 | Solar |
| Macomb | Erie Boulevard Hydropower LP | Malone, NY | New York Independent System Operator (NYIS) | 5.7 GWh | Dec 1939 | Dec 2025 | Water |
| Macomb 2A | SoCore Energy LLC | Macomb, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Nov 2024 | Dec 2025 | Solar |
| Macon County IL S1 | SolAmerica Energy, LLC | Decatur, IL | Midcontinent Independent System Operator, Inc. (MISO) | 316.0 MWh | Sep 2025 | Dec 2025 | Solar |
| Macon Energy Center | City of Macon - (MO) | Macon, MO | Associated Electric Cooperative, Inc. (AECI) | 88.2 GWh | Apr 2003 | Dec 2025 | Natural Gas |
| Madawaska Solar | SoCore Energy LLC | Saint David, ME | ISO New England (ISNE) | 3.9 GWh | Nov 2024 | 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 |
| Madera 1 PV | ZGlobal Inc | Madera, CA | California Independent System Operator (CISO) | 3.2 GWh | Nov 2017 | Dec 2025 | Solar |
| Madera Community Hospital | CleanCapital Holdings | Madera, CA | California Independent System Operator (CISO) | 1.7 GWh | Sep 2011 | Dec 2025 | Solar |
| Madison | Duke Energy Indiana, LLC | Trenton, OH | PJM Interconnection, LLC (PJM) | 681.5 GWh | May 2000 | Dec 2025 | Natural Gas |
| Madison County | Onsite Partners, LLC | Canastota, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Jul 2017 | Dec 2025 | Solar |
| Madison Dam | NorthWestern Energy (MT Hydro) | Ennis, MT | NorthWestern Corporation (NWMT) | 75.6 GWh | Aug 1906 | Dec 2025 | Water |
| Madison Solar (CT) | Ecos Energy LLC | Somers, CT | ISO New England (ISNE) | 1.6 GWh | Dec 2020 | Dec 2025 | Solar |
| Madison Solar (NE) | MMPS1, LLC | Madison, NE | Southwest Power Pool (SWPP) | 2.9 GWh | Apr 2025 | Dec 2025 | Solar |
| Madison Utilities | City of Madison - (NE) | Madison, NE | Southwest Power Pool (SWPP) | 15.0 MWh | Mar 1953 | Dec 2025 | Distillate Fuel Oil |
| Magdaline Solar, LLC | Magdaline Solar, LLC | Lynchburg, SC | Duke Energy Progress East (CPLE) | 3.8 GWh | Aug 2023 | Dec 2025 | Solar |
| Magruder Solar Community Solar | Magruder Solar, LLC | Shawangunk, NY | New York Independent System Operator (NYIS) | 335.0 MWh | Nov 2025 | Dec 2025 | Solar |
| Mahany | Greenbacker Renewable Energy Corporation | Arkport, NY | New York Independent System Operator (NYIS) | 5.5 GWh | Jan 2025 | Dec 2025 | Solar |
| Mahoning | WM Renewable Energy LLC | New Springfield, OH | PJM Interconnection, LLC (PJM) | 27.4 GWh | Dec 2012 | Dec 2025 | Landfill Gas |
| Mahoning Creek Hydroelectric Project | Eagle Creek Renewable Energy, LLC | New Bethlehem, PA | PJM Interconnection, LLC (PJM) | 13.1 GWh | Nov 2013 | Dec 2025 | Water |
| Maiden Community Center | North Carolina Mun Power Agny #1 | Maiden, NC | Duke Energy Carolinas (DUK) | 154.0 MWh | Aug 2006 | Dec 2025 | Distillate Fuel Oil |
| Maimonides Medical Center | Maimonides Medical Center | Brooklyn, NY | New York Independent System Operator (NYIS) | 15.0 MWh | Dec 1989 | Dec 2025 | Distillate Fuel Oil |
| Main Rd Community Solar | AES Distributed Energy | Newstead, NY | ISO New England (ISNE) | 8.0 GWh | Jun 2022 | Dec 2025 | Solar |
| Main Street Solar Project | Greenbacker Renewable Energy Corporation | Rutland, VT | ISO New England (ISNE) | 2.1 GWh | Nov 2014 | Dec 2025 | Solar |
| Maine Independence Station | Casco Bay Energy Co LLC | Veazie, ME | ISO New England (ISNE) | 1.4 TWh | Apr 2000 | Dec 2025 | Natural Gas |
| Mainely Solar (Wyman Hill Solar LLC) | Wyman Hill Solar, LLC | Rumford, ME | ISO New England (ISNE) | 5.8 GWh | Nov 2022 | Dec 2025 | Solar |
| Mainline Windfarm | Mountain Air Projects, LLC | Glenns Ferry, ID | Idaho Power Company (IPCO) | 52.2 GWh | Nov 2012 | Dec 2025 | Wind |
| Maize | Today's Power, Inc. | Colwich, KS | Southwest Power Pool (SWPP) | 2.3 GWh | Apr 2021 | Dec 2025 | Solar |
| Majestic 1 Wind Farm | NextEra Energy Majestic Wind | Panhandle, TX | Southwest Power Pool (SWPP) | 349.7 GWh | Dec 2008 | Dec 2025 | Wind |
| Majestic II Wind | NextEra Energy Majestic Wind | Panhandle, TX | Southwest Power Pool (SWPP) | 179.6 GWh | Jul 2012 | Dec 2025 | Wind |
| Malakoff Solar Project | Ellomay USA Inc | Malaloff, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 15.9 GWh | Sep 2025 | Dec 2025 | Solar |
| Malden | City of Malden - (MO) | Malden, MO | Southwest Power Pool (SWPP) | 68.0 MWh | Jul 1957 | Dec 2025 | Distillate Fuel Oil |
| Malech Solar Farm | County of Santa Clara - (CA) | San Jose, CA | California Independent System Operator (CISO) | 4.6 GWh | Sep 2017 | Dec 2025 | Solar |
| Malmedal Solar Garden | Altus Power America Management, LLC | Starbuck, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Jun 2019 | Dec 2025 | Solar |
| Mammoth G1 | Ormat Nevada Inc | Mammoth lakes, CA | California Independent System Operator (CISO) | 43.6 GWh | Nov 1984 | Dec 2025 | Geothermal |
| Mammoth G2 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 83.8 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Mammoth G3 | Ormat Nevada Inc | Mammoth Lakes, CA | California Independent System Operator (CISO) | 75.3 GWh | Nov 1990 | Dec 2025 | Geothermal |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 623.0 GWh | Nov 2014 | Dec 2025 | Wind |
| Manalapan Village Solar | NJR Clean Energy Ventures Corporation | Manalapan, NJ | PJM Interconnection, LLC (PJM) | 3.4 GWh | Nov 2011 | Dec 2025 | Solar |
| Manchester Community College East | Onyx Asset Services Group | Manchester, CT | ISO New England (ISNE) | 1.6 GWh | Sep 2018 | Dec 2025 | Solar |
| Manchester Community College North | Onyx Asset Services Group | Great Path, CT | ISO New England (ISNE) | 885.0 MWh | Sep 2018 | Dec 2025 | Solar |
| Manheim New England | Cox Enterprises | North Dighton, MA | ISO New England (ISNE) | 2.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Manheim New Jersey | Cox Enterprises | Bordentown, NJ | PJM Interconnection, LLC (PJM) | 3.3 GWh | May 2009 | Dec 2025 | Solar |
| Manilus | Solar Planet Power | Manilus, NY | New York Independent System Operator (NYIS) | 6.4 GWh | Nov 2023 | Dec 2025 | Solar |
| Manistique | Cloverland Electric Co-op | Manistique, MI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Jun 1960 | Dec 2025 | Distillate Fuel Oil |
Summary of Power Plants By State
Figures are based on August 2026 generation numbers.| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 80 | 13,897.78 GWh |
| Alaska | # 48 | 146 | 672.99 GWh |
| Arizona | # 10 | 203 | 13,589.64 GWh |
| Arkansas | # 23 | 122 | 7,027.75 GWh |
| California | # 3 | 1,840 | 24,164.86 GWh |
| Colorado | # 30 | 321 | 5,322.30 GWh |
| Connecticut | # 34 | 180 | 4,400.98 GWh |
| Delaware | # 49 | 35 | 555.40 GWh |
| District of Columbia | # 51 | 19 | 21.71 GWh |
| Florida | # 2 | 345 | 28,185.93 GWh |
| Georgia | # 6 | 261 | 15,282.60 GWh |
| Hawaii | # 47 | 73 | 863.62 GWh |
| Idaho | # 43 | 152 | 1,754.56 GWh |
| Illinois | # 5 | 556 | 18,683.36 GWh |
| Indiana | # 17 | 226 | 9,970.06 GWh |
| Iowa | # 27 | 301 | 5,759.64 GWh |
| Kansas | # 26 | 191 | 6,368.18 GWh |
| Kentucky | # 21 | 63 | 7,221.26 GWh |
| Louisiana | # 14 | 93 | 10,670.45 GWh |
| Maine | # 45 | 250 | 1,285.31 GWh |
| Maryland | # 37 | 236 | 3,745.22 GWh |
| Massachusetts | # 41 | 679 | 1,958.59 GWh |
| Michigan | # 12 | 288 | 12,064.19 GWh |
| Minnesota | # 32 | 794 | 5,047.38 GWh |
| Mississippi | # 19 | 62 | 8,358.70 GWh |
| Missouri | # 22 | 134 | 7,125.71 GWh |
| State | Rank | Active Plants | Aug 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 72 | 2,266.60 GWh |
| Nebraska | # 39 | 132 | 3,448.00 GWh |
| Nevada | # 29 | 117 | 5,523.31 GWh |
| New Hampshire | # 42 | 60 | 1,901.10 GWh |
| New Jersey | # 25 | 409 | 6,440.88 GWh |
| New Mexico | # 33 | 166 | 4,571.47 GWh |
| New York | # 11 | 1,087 | 13,130.21 GWh |
| North Carolina | # 8 | 921 | 14,263.55 GWh |
| North Dakota | # 38 | 62 | 3,579.89 GWh |
| Ohio | # 7 | 216 | 14,448.49 GWh |
| Oklahoma | # 13 | 153 | 10,965.38 GWh |
| Oregon | # 31 | 292 | 5,257.14 GWh |
| Pennsylvania | # 4 | 270 | 23,772.83 GWh |
| Rhode Island | # 46 | 108 | 924.31 GWh |
| South Carolina | # 16 | 214 | 9,989.71 GWh |
| South Dakota | # 44 | 53 | 1,486.65 GWh |
| Tennessee | # 18 | 101 | 8,430.26 GWh |
| Texas | # 1 | 1,069 | 65,726.98 GWh |
| Utah | # 36 | 131 | 4,074.82 GWh |
| Vermont | # 50 | 118 | 175.56 GWh |
| Virginia | # 15 | 255 | 10,241.54 GWh |
| Washington | # 20 | 137 | 8,189.60 GWh |
| West Virginia | # 28 | 41 | 5,593.74 GWh |
| Wisconsin | # 24 | 272 | 6,683.19 GWh |
| Wyoming | # 35 | 71 | 4,322.19 GWh |