Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 2.2 GWh | Nov 2010 | Dec 2024 | Solar |
| McCook | Nebraska Public Power District | McCook, NE | Southwest Power Pool (SWPP) | 3.8 GWh | May 1973 | Dec 2024 | Distillate Fuel Oil |
| MCCo Solar Generating Facility | The Medical Center Company | Cleveland, OH | PJM Interconnection, LLC (PJM) | 1.1 GWh | Oct 2014 | Dec 2024 | Solar |
| McClure Dam | Upper Peninsula Power Company | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 32.4 GWh | Jan 1988 | Dec 2024 | Water |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 2.7 GWh | Jun 1980 | Dec 2024 | Natural Gas : 72.6% Distillate Fuel Oil : 27.4% |
| McCleskey Cotton | Westbound Solar LLC | Dawson, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.2 GWh | May 2019 | Dec 2024 | Solar |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 3.4 GWh | Feb 1986 | Dec 2024 | Natural Gas |
| McClellan (AR) | Arkansas Electric Coop Corp | Camden, AR | Midcontinent Independent System Operator, Inc. (MISO) | 43.3 GWh | Apr 1972 | Dec 2024 | Natural Gas : 92.3% Distillate Fuel Oil : 7.7% |
| McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | Southwest Power Pool (SWPP) | 1.2 TWh | May 2001 | Sep 2025 | Natural Gas |
| McCartney | City Utilities of Springfield - (MO) | Strafford, MO | Southwest Power Pool (SWPP) | 111.7 GWh | Jun 2002 | Dec 2024 | Natural Gas |
| McCarthy Solar | Generate Capital | Blooming Grove, NY | New York Independent System Operator (NYIS) | 3.7 GWh | Nov 2021 | Dec 2024 | Solar |
| McCallum Farm | Strata Manager, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 8.6 GWh | Aug 2013 | Dec 2024 | Solar |
| McAllister Landfill | Solar Breakers LLC | Portsmouth, RI | ISO New England (ISNE) | 1.4 GWh | Sep 2022 | Dec 2024 | Solar |
| MCAGCC Cogen Plant | DOD USMC Marine Air Ground Combat | Twentynine Palms, CA | California Independent System Operator (CISO) | 69.2 GWh | Jan 2003 | Dec 2024 | Natural Gas |
| McAdoo Wind Energy LLC | Invenergy Services LLC | McAdoo, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 363.6 GWh | Aug 2008 | Dec 2024 | Wind |
| 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 |
| Maywood Photovoltaic Project | ENI New Energy US Inc | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 11.5 GWh | Feb 2014 | Dec 2024 | Solar |
| Mayo | Duke Energy Progress - (NC) | Roxboro, NC | Duke Energy Progress East (CPLE) | 1.2 TWh | Feb 1983 | Sep 2025 | Bituminous Coal : 98.6% Distillate Fuel Oil : 1.4% |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Mayhill Solar LLC Community Solar | Dimension Energy LLC | Saddle Brook, NJ | PJM Interconnection, LLC (PJM) | 1.9 GWh | Sep 2023 | Dec 2024 | Solar |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 576.4 GWh | Feb 1963 | Dec 2024 | Water |
| Maybrook Solar, LLC (CSG) | NJR Clean Energy Ventures Corporation | Campbell Hall, NY | New York Independent System Operator (NYIS) | 9.0 GWh | Jan 2023 | Dec 2024 | Solar |
| Mayberry Solar LLC | Oppidum Renewables USA, LLC | Mt. Airy, NC | Duke Energy Carolinas (DUK) | 1.4 GWh | Sep 2011 | 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 |
| Maxton Solar, LLC | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 9.8 GWh | Aug 2016 | Dec 2024 | Solar |
| Maxim | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 6.0 GWh | Jul 2014 | Dec 2024 | Natural Gas |
| Maverick Wind Project, LLC | Public Service Co of Oklahoma | Meno, OK | Southwest Power Pool (SWPP) | 879.0 GWh | Aug 2021 | Sep 2025 | Wind |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 371.6 GWh | Nov 2020 | 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 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 245.0 GWh | Oct 2021 | Sep 2025 | Solar |
| 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 Creek Wind | Algonquin Power Co | Eden, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.5 TWh | Feb 2022 | Sep 2025 | Wind |
| Mauna Loa Macadamia Nut | Macadamia Nut Road Solar Project 2019 | Keaau, HI | (HECO) | 1.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Mauka FIT One | Valta Energy | Kahuku, HI | 3.1 GWh | Sep 2020 | Dec 2024 | Solar | |
| Mattas Farms | AES Distributed Energy | Amsterdam, NY | New York Independent System Operator (NYIS) | 2.9 GWh | Oct 2018 | Dec 2024 | Solar |
| Matrix Stults Road Solar Facility | Public Service Elec & Gas Co | South Brunswick, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2011 | Dec 2024 | Solar |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 389.6 GWh | - | Sep 2025 | Solar |
| Matrix Buildings A&B (Perth Amboy) Solar | Public Service Elec & Gas Co | Perth Amboy, NJ | PJM Interconnection, LLC (PJM) | 1.8 GWh | Dec 2010 | Dec 2024 | Solar |
| Matilda Hamilton Fee Hydroelectric Stati | Lock 12 Hydro Partners, LLC | Ravenna, KY | PJM Interconnection, LLC (PJM) | 8.0 GWh | Aug 2021 | Dec 2024 | Water |
| 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 |
| Massena Energy Facility | Power City Partners LP | Massena, NY | New York Independent System Operator (NYIS) | 12.2 GWh | Jun 1992 | Nov 2024 | Natural Gas |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 6.3 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.3 GWh | Apr 2014 | Dec 2024 | Solar |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.2 GWh | Apr 2014 | 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 |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.8 GWh | Oct 2020 | Dec 2024 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 1.5 GWh | Nov 1988 | 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 |
| MAS ASB Cogen Plant | Cube District Energy, LLC | Atlanta, GA | Southern Company Services, Inc. - Trans (SOCO) | 39.5 GWh | Feb 2012 | Sep 2025 | Natural Gas : 91.2% Landfill Gas : 8.8% |
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 4.5 GWh | Apr 1951 | Dec 2024 | Water |
| Maryneal Windpower | Duke Energy Renewables Services | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 592.1 GWh | Jun 2021 | Sep 2025 | Wind |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 27.6 GWh | Aug 2013 | Sep 2025 | Solar |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Aug 2022 | Dec 2024 | Natural Gas |
| Martinsville LFG Generator | City of Martinsville - (VA) | Martinsville, VA | PJM Interconnection, LLC (PJM) | 229.0 MWh | Feb 2012 | Aug 2025 | Natural Gas |
| Martinsburg CSG LLC | Dimension Energy LLC | Lowville, NY | New York Independent System Operator (NYIS) | 39.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Martins Creek Solar NC, LLC | Duke Energy Renewables Services | Murphy, NC | Duke Energy Carolinas (DUK) | 1.1 GWh | Feb 2011 | Dec 2024 | Solar |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 17.3 GWh | Dec 1977 | Dec 2024 | Waste Heat |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 790.0 GWh | Oct 1995 | Sep 2025 | Natural Gas : 96.4% Other Gas : 3.6% |
| Martin Solar Center | Arevon Energy, Inc. | Kents Store, VA | PJM Interconnection, LLC (PJM) | 9.2 GWh | Nov 2017 | Sep 2025 | Solar |
| Martin Marietta Wind Project | OEE XXXIII LLC | Woodville, OH | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2023 | Dec 2024 | Wind |
| Martin Limestone Solar Array | Sunstream Energy LLC | New Holland, PA | PJM Interconnection, LLC (PJM) | 1.6 GWh | Nov 2012 | Dec 2024 | Solar |
| Martin Lake | Luminant Generation Company LLC | Tatum, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 8.2 TWh | Apr 1977 | Sep 2025 | Subbituminous Coal : 99.7% |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 305.9 GWh | Dec 1926 | Dec 2024 | Water |
| Martin Creek Farm LLC | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 5.6 GWh | Feb 2014 | Dec 2024 | Solar |
| Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 182.2 GWh | Nov 2024 | Sep 2025 | Solar |
| Martin | Florida Power & Light Co | Indiantown, FL | Florida Power & Light Co. (FPL) | 8.2 TWh | Nov 1980 | Sep 2025 | Natural Gas |
| Marston Mills Solar | SoCore Energy LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Marshville Farm | Strata Manager, LLC | Marshville, NC | Duke Energy Carolinas (DUK) | 7.2 GWh | Sep 2013 | Dec 2024 | Solar |
| Marshfield Utilities Gas Plant | City of Marshfield - (WI) | Marshfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | May 2011 | Dec 2024 | Natural Gas |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 5.2 GWh | Nov 2013 | Dec 2024 | Solar |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 8.1 GWh | Dec 1926 | Dec 2024 | Water |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 TWh | Mar 2017 | Sep 2025 | Natural Gas : 99.9% |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.0 GWh | May 1978 | Dec 2024 | Natural Gas |
| Marshall Wind Farm | BHE Renewables, LLC | Frankfort, KS | Southwest Power Pool (SWPP) | 304.8 GWh | Apr 2016 | 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 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 Solar Plus LLC | Western Minnesota Mun Pwr Agny | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 539.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Marshall Solar Farm (MO) | Missouri Jnt Muni.Pwr Elec. Ut. Comm. | Marshall, MO | Southwest Power Pool (SWPP) | 4.1 GWh | Nov 2016 | Dec 2024 | Solar |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.4 GWh | Dec 2016 | Sep 2025 | Solar |
| Marshall Solar | Marshall Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 3.2 GWh | Jun 2022 | Dec 2024 | Solar |
| Marshall (NC) | Duke Energy Carolinas, LLC | Terrell, NC | Duke Energy Carolinas (DUK) | 7.8 TWh | Feb 1965 | Sep 2025 | Bituminous Coal : 53.7% Natural Gas : 46.3% |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 437.0 MWh | May 1948 | Dec 2024 | Natural Gas : 85.4% Distillate Fuel Oil : 14.6% |
| Marshall (MN) | City of Marshall - (MN) | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 59.8 MWh | Jun 1969 | Dec 2024 | Distillate Fuel Oil |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 704.0 MWh | May 1928 | Dec 2024 | Water |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 116.0 MWh | Mar 2002 | Dec 2024 | Distillate Fuel Oil |
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 24.0 GWh | Dec 1940 | Dec 2024 | Water |
| Marshall Energy Facility | Tennessee Valley Authority | Calvert City, KY | Tennessee Valley Authority (TVA) | 145.0 GWh | May 2002 | Sep 2025 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.7 GWh | May 1994 | Dec 2024 | Distillate Fuel Oil | |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Marsh Run Generation Facility | Old Dominion Electric Coop | Remington, VA | PJM Interconnection, LLC (PJM) | 390.8 GWh | Aug 2004 | Dec 2024 | Natural Gas : 97.8% Distillate Fuel Oil : 2.2% |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 41.8 GWh | Apr 2013 | Sep 2025 | Natural Gas |
| Marsh Hill Wind Farm | Invenergy Services LLC | Jasper, NY | New York Independent System Operator (NYIS) | 44.7 GWh | Oct 2014 | Dec 2024 | Wind |
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 |