Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Marshall Ford | Lower Colorado River Authority | Austin, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 45.2 GWh | Dec 1940 | Dec 2025 | Water |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 167.0 MWh | Mar 2002 | Dec 2025 | Distillate Fuel Oil |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 638.0 MWh | May 1928 | Dec 2025 | Water |
| Marshall (MN) | City of Marshall - (MN) | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 93.1 MWh | Jun 1969 | Dec 2025 | Distillate Fuel Oil |
| Marshall (MO) | City of Marshall - (MO) | Marshall, MO | Southwest Power Pool (SWPP) | 1.3 GWh | May 1948 | Dec 2025 | Natural Gas : 94.1% Distillate Fuel Oil : 6.0% |
| Marshall (NC) | Duke Energy Carolinas, LLC | Terrell, NC | Duke Energy Carolinas (DUK) | 7.5 TWh | Feb 1965 | May 2026 | Bituminous Coal : 56.9% Natural Gas : 43.1% |
| Marshall Solar | Marshall Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 2.2 GWh | Jun 2022 | Dec 2025 | Solar |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 92.5 GWh | Dec 2016 | May 2026 | Solar |
| Marshall Solar Farm (MO) | Missouri Jnt Muni.Pwr Elec. Ut. Comm. | Marshall, MO | Southwest Power Pool (SWPP) | 4.0 GWh | Nov 2016 | Dec 2025 | Solar |
| Marshall Solar Plus LLC | Western Minnesota Mun Pwr Agny | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | Nov 2024 | Dec 2025 | Solar |
| Marshall Wind 1 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Nov 2007 | Dec 2025 | Wind |
| Marshall Wind 2 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Nov 2007 | Nov 2025 | Wind |
| Marshall Wind 3 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Nov 2007 | Dec 2025 | Wind |
| Marshall Wind 4 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 2007 | Dec 2025 | Wind |
| Marshall Wind 5 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Nov 2007 | Dec 2025 | Wind |
| Marshall Wind 6 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Nov 2007 | Dec 2025 | Wind |
| Marshall Wind Farm | BHE Renewables, LLC | Frankfort, KS | Southwest Power Pool (SWPP) | 277.1 GWh | Apr 2016 | Dec 2025 | Wind |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | May 1978 | Dec 2025 | Natural Gas |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 TWh | Mar 2017 | May 2026 | Natural Gas : 99.9% |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 3.9 GWh | Dec 1926 | Dec 2025 | Water |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2025 | Solar |
| Marshfield Utilities Gas Plant | City of Marshfield - (WI) | Marshfield, WI | Midcontinent Independent System Operator, Inc. (MISO) | 18.8 GWh | May 2011 | Dec 2025 | Natural Gas |
| Marshville Farm | Strata Manager, LLC | Marshville, NC | Duke Energy Carolinas (DUK) | 7.9 GWh | Sep 2013 | Dec 2025 | Solar |
| Marston Mills Solar | SoCore Energy LLC | Marstons Mills, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2021 | Dec 2025 | Solar |
| Martin | Florida Power & Light Co | Indiantown, FL | Florida Power & Light Co. (FPL) | 8.0 TWh | Nov 1980 | May 2026 | Natural Gas |
| Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 223.1 GWh | Nov 2024 | May 2026 | Solar |
| Martin Creek Farm LLC | Strata Manager, LLC | Henderson, NC | Duke Energy Progress East (CPLE) | 5.5 GWh | Feb 2014 | Dec 2025 | Solar |
| Martin Dam | Alabama Power Co | Dadeville, AL | Southern Company Services, Inc. - Trans (SOCO) | 287.2 GWh | Dec 1926 | Dec 2025 | Water |
| Martin Lake | Luminant Generation Company LLC | Tatum, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 9.0 TWh | Apr 1977 | May 2026 | Subbituminous Coal : 99.7% |
| Martin Limestone Solar Array | Sunstream Energy LLC | New Holland, PA | PJM Interconnection, LLC (PJM) | 1.5 GWh | Nov 2012 | Dec 2025 | Solar |
| Martin Marietta Wind Project | Sandusky Wind 33, LLC | Woodville, OH | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2023 | Dec 2024 | Wind |
| Martin Solar Center | Arevon Energy, Inc. | Kents Store, VA | PJM Interconnection, LLC (PJM) | 7.2 GWh | Nov 2017 | May 2026 | Solar |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 668.8 GWh | Oct 1995 | May 2026 | Natural Gas : 96.6% Other Gas : 3.4% |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 13.4 GWh | Dec 1977 | Dec 2025 | Waste Heat |
| Martins Creek Solar NC, LLC | Duke Energy Renewables Services | Murphy, NC | Duke Energy Carolinas (DUK) | 1.2 GWh | Feb 2011 | Dec 2025 | Solar |
| Martinsburg CSG LLC | Dimension Energy LLC | Lowville, NY | New York Independent System Operator (NYIS) | 3.9 GWh | Nov 2024 | Dec 2025 | Solar |
| Martinsville LFG Generator | City of Martinsville - (VA) | Martinsville, VA | PJM Interconnection, LLC (PJM) | 275.0 MWh | Feb 2012 | May 2026 | Natural Gas |
| Maryland Bioenergy Center (Jessup) | Bioenergy DevCo | Jessup, MD | PJM Interconnection, LLC (PJM) | 3.0 GWh | Aug 2022 | Dec 2025 | Natural Gas |
| Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 28.8 GWh | Aug 2013 | May 2026 | Solar |
| Maryneal Windpower | Duke Energy Renewables Services | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 499.2 GWh | Jun 2021 | May 2026 | Wind |
| Marys Lake | U S Bureau of Reclamation | Estes Park, CO | Western Area Power Administration - Rocky Mountain Region (WACM) | 36.5 GWh | Apr 1951 | Dec 2025 | Water |
| MAS ASB Cogen Plant | Cube District Energy, LLC | Atlanta, GA | Southern Company Services, Inc. - Trans (SOCO) | 39.9 GWh | Feb 2012 | May 2026 | Natural Gas : 88.1% Landfill Gas : 11.9% |
| Mas Durham Power, LLC | Mas Durham Power, LLC | Durham, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Jan 2010 | Dec 2024 | Landfill Gas |
| Mascoma Hydro | Green Mountain Power Corp | W. Lebanon, NH | ISO New England (ISNE) | 202.0 MWh | Nov 1988 | Dec 2025 | Water |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2014 | Dec 2025 | Solar |
| Mason Solar One LLC | Nautilus Solar Solutions | Elkton, MD | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2020 | Dec 2025 | Solar |
| Mass Inst Tech Cntrl Utilities/Cogen Plt | Massachusetts Inst of Tech | Cambridge, MA | ISO New England (ISNE) | 209.4 GWh | May 1995 | Dec 2025 | Natural Gas |
| Mass Midstate Solar 1 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.1 GWh | Apr 2014 | Dec 2025 | Solar |
| Mass Midstate Solar 2 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 7.0 GWh | Apr 2014 | Dec 2025 | Solar |
| Mass Midstate Solar 3 | Evergreen Wind, LLC | Warren, MA | ISO New England (ISNE) | 5.8 GWh | Apr 2014 | Dec 2025 | Solar |
| Massena Energy Facility | Power City Partners LP | Massena, NY | New York Independent System Operator (NYIS) | 43.6 GWh | Jun 1992 | Oct 2025 | Natural Gas |
| 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) | 441.7 GWh | Jun 1993 | Dec 2025 | Natural Gas |
| Maston Garden Solar | Maston Garden LLC | Kasson, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 2020 | Dec 2025 | Solar |
| Matilda Hamilton Fee Hydroelectric Stati | Lock 12 Hydro Partners, LLC | Ravenna, KY | PJM Interconnection, LLC (PJM) | 8.0 GWh | Aug 2021 | Dec 2025 | Water |
| Matrix Buildings A&B (Perth Amboy) Solar | Public Service Elec & Gas Co | Perth Amboy, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Dec 2010 | Dec 2025 | Solar |
| Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 503.6 GWh | Feb 2025 | May 2026 | Solar |
| Matrix Stults Road Solar Facility | Public Service Elec & Gas Co | South Brunswick, NJ | PJM Interconnection, LLC (PJM) | 3.6 GWh | May 2011 | Dec 2025 | Solar |
| Mattas Farms | AES Distributed Energy | Amsterdam, NY | New York Independent System Operator (NYIS) | 3.1 GWh | Oct 2018 | Dec 2025 | Solar |
| Mauka FIT One | Valta Energy | Kahuku, HI | 4.5 GWh | Sep 2020 | Dec 2025 | Solar | |
| Maumee Solar | Madison Energy Investments LLC | Maumee, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2024 | Dec 2025 | Solar |
| Mauna Loa Macadamia Nut | Macadamia Nut Road Solar Project 2019 | Keaau, HI | (HECO) | 1.4 GWh | Nov 2021 | Dec 2024 | Solar |
| Maverick Creek Wind | Algonquin Power Co | Eden, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.7 TWh | Feb 2022 | May 2026 | Wind |
| Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 295.5 GWh | Nov 2020 | May 2026 | Solar |
| Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 246.1 GWh | Oct 2021 | May 2026 | Solar |
| Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 398.2 GWh | Nov 2021 | May 2026 | Solar |
| Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 330.2 GWh | Nov 2020 | May 2026 | Solar |
| Maverick Wind Project, LLC | Public Service Co of Oklahoma | Meno, OK | Southwest Power Pool (SWPP) | 937.9 GWh | Aug 2021 | May 2026 | Wind |
| Maxim | Bloom Energy | San Jose, CA | California Independent System Operator (CISO) | 6.9 GWh | Jul 2014 | Dec 2025 | Natural Gas |
| Maxton Solar, LLC | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 2.2 GWh | Aug 2016 | Dec 2025 | Solar |
| May Shannon Solar, LLC | May Shannon Solar, LLC | Clio, MI | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2020 | Dec 2025 | Solar |
| Mayberry Solar LLC | Oppidum Renewables USA, LLC | Mt. Airy, NC | Duke Energy Carolinas (DUK) | 1.5 GWh | Sep 2011 | Dec 2025 | Solar |
| Maybrook Solar, LLC (CSG) | NJR Clean Energy Ventures Corporation | Campbell Hall, NY | New York Independent System Operator (NYIS) | 8.9 GWh | Jan 2023 | Dec 2025 | Solar |
| Mayfield | City of Tacoma - (WA) | Silver Creek, WA | City of Tacoma, Department of Public Utilities, Light Division (TPWR) | 602.5 GWh | Feb 1963 | Dec 2025 | Water |
| Mayhill Solar LLC Community Solar | Dimension Energy LLC | Saddle Brook, NJ | PJM Interconnection, LLC (PJM) | 1.8 GWh | Sep 2023 | Dec 2025 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2025 | Solar |
| Mayo | Duke Energy Progress - (NC) | Roxboro, NC | Duke Energy Progress East (CPLE) | 1.4 TWh | Feb 1983 | May 2026 | Bituminous Coal : 98.5% Distillate Fuel Oil : 1.5% |
| Maywood Photovoltaic Project | ENI New Energy US Inc | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 11.5 GWh | Feb 2014 | Dec 2024 | Solar |
| MC1 Solar | MC1 Solar Farm, LLC | Williamston, NC | PJM Interconnection, LLC (PJM) | 7.7 GWh | Jul 2016 | Dec 2025 | Solar |
| MC6 Hydro Facility | MC6 Hydro Facility | Kuna, ID | Idaho Power Company (IPCO) | 8.4 GWh | Mar 2021 | Oct 2025 | Water |
| McAdoo Wind Energy LLC | Invenergy Services LLC | McAdoo, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 387.0 GWh | Aug 2008 | Dec 2025 | Wind |
| 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 |
| McAllister Landfill | Solar Breakers LLC | Portsmouth, RI | ISO New England (ISNE) | 1.5 GWh | Sep 2022 | Dec 2025 | Solar |
| McCallum Farm | Strata Manager, LLC | Rowland, NC | Duke Energy Progress East (CPLE) | 8.4 GWh | Aug 2013 | Dec 2025 | Solar |
| McCarthy Solar | Generate Capital | Blooming Grove, NY | New York Independent System Operator (NYIS) | 2.5 GWh | Nov 2021 | Dec 2025 | Solar |
| McCartney | City Utilities of Springfield - (MO) | Strafford, MO | Southwest Power Pool (SWPP) | 80.6 GWh | Jun 2002 | Dec 2025 | Natural Gas |
| McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | Southwest Power Pool (SWPP) | 1.7 TWh | May 2001 | May 2026 | Natural Gas |
| 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% |
| McClellan (CA) | Sacramento Municipal Util Dist | Sacramento, CA | Balancing Authority of Northern California (BANC) | 1.2 GWh | Feb 1986 | Dec 2025 | Natural Gas |
| McCleskey Cotton | Westbound Solar LLC | Dawson, GA | Southern Company Services, Inc. - Trans (SOCO) | 3.6 GWh | May 2019 | Dec 2025 | Solar |
| McClure | Modesto Irrigation District | Modesto, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Jun 1980 | Dec 2025 | Natural Gas : 71.4% Distillate Fuel Oil : 28.6% |
| McClure Dam | Upper Peninsula Power Company | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 GWh | Jan 1988 | Dec 2025 | Water |
| MCCo Solar Generating Facility | The Medical Center Company | Cleveland, OH | PJM Interconnection, LLC (PJM) | 1.1 GWh | Oct 2014 | Dec 2025 | Solar |
| McCook | Nebraska Public Power District | McCook, NE | Southwest Power Pool (SWPP) | 3.5 GWh | May 1973 | Dec 2025 | Distillate Fuel Oil |
| McCormick & Co. Inc. at Belcamp | Luminace Solar Maryland, LLC | Belcamp, MD | PJM Interconnection, LLC (PJM) | 716.0 MWh | Nov 2010 | Dec 2025 | Solar |
| McCormick NY CSG LLC | McCormick NY CSG LLC | Andover, NY | New York Independent System Operator (NYIS) | 4.0 GWh | Apr 2025 | Dec 2025 | Solar |
| McCoy Solar Energy Project Hybrid | McCoy Solar, LLC | Blythe, CA | California Independent System Operator (CISO) | 638.7 GWh | Jul 2015 | Dec 2025 | Solar |
| McCrae Wind Energy II | McCrae Wind Energy II, LLC | Garden City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 376.1 GWh | - | May 2026 | Wind |
| McCullough Road Solar Farm | NJR Clean Energy Ventures Corporation | Washington Township, NJ | PJM Interconnection, LLC (PJM) | 12.9 GWh | May 2019 | Dec 2025 | Solar |
| McDonald Solar Farm, LLC | Cypress Creek Renewables | West Terre Haute, IN | Midcontinent Independent System Operator, Inc. (MISO) | 8.3 GWh | Nov 2015 | Dec 2025 | Solar |
Summary of Power Plants By State
Figures are based on May 2026 generation numbers.| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Alabama | # 8 | 77 | 11,823.92 GWh |
| Alaska | # 48 | 140 | 513.29 GWh |
| Arizona | # 14 | 196 | 9,091.99 GWh |
| Arkansas | # 25 | 117 | 4,873.33 GWh |
| California | # 4 | 1,740 | 15,360.54 GWh |
| Colorado | # 31 | 308 | 4,156.36 GWh |
| Connecticut | # 35 | 173 | 3,391.33 GWh |
| Delaware | # 49 | 35 | 236.45 GWh |
| District of Columbia | # 51 | 17 | 14.46 GWh |
| Florida | # 2 | 342 | 25,093.89 GWh |
| Georgia | # 6 | 250 | 12,138.02 GWh |
| Hawaii | # 46 | 70 | 762.50 GWh |
| Idaho | # 41 | 151 | 1,963.84 GWh |
| Illinois | # 5 | 494 | 14,816.74 GWh |
| Indiana | # 15 | 222 | 7,662.28 GWh |
| Iowa | # 21 | 297 | 5,720.38 GWh |
| Kansas | # 24 | 188 | 5,118.39 GWh |
| Kentucky | # 23 | 61 | 5,471.28 GWh |
| Louisiana | # 13 | 90 | 9,131.60 GWh |
| Maine | # 44 | 242 | 1,130.78 GWh |
| Maryland | # 37 | 228 | 3,103.37 GWh |
| Massachusetts | # 45 | 666 | 1,073.93 GWh |
| Michigan | # 11 | 276 | 9,774.25 GWh |
| Minnesota | # 28 | 790 | 4,567.82 GWh |
| Mississippi | # 20 | 60 | 6,404.61 GWh |
| Missouri | # 22 | 129 | 5,701.36 GWh |
| State | Rank | Active Plants | May 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,053.07 GWh |
| Nebraska | # 36 | 126 | 3,193.89 GWh |
| Nevada | # 33 | 117 | 3,848.29 GWh |
| New Hampshire | # 43 | 57 | 1,198.65 GWh |
| New Jersey | # 30 | 398 | 4,274.91 GWh |
| New Mexico | # 29 | 158 | 4,513.39 GWh |
| New York | # 10 | 1,064 | 10,643.78 GWh |
| North Carolina | # 9 | 913 | 11,481.42 GWh |
| North Dakota | # 34 | 59 | 3,601.34 GWh |
| Ohio | # 7 | 211 | 11,886.21 GWh |
| Oklahoma | # 17 | 144 | 7,547.66 GWh |
| Oregon | # 27 | 281 | 4,575.23 GWh |
| Pennsylvania | # 3 | 258 | 18,234.28 GWh |
| Rhode Island | # 47 | 107 | 580.94 GWh |
| South Carolina | # 16 | 209 | 7,632.32 GWh |
| South Dakota | # 42 | 53 | 1,802.78 GWh |
| Tennessee | # 19 | 99 | 6,454.94 GWh |
| Texas | # 1 | 1,019 | 50,690.02 GWh |
| Utah | # 39 | 128 | 2,809.26 GWh |
| Vermont | # 50 | 118 | 186.37 GWh |
| Virginia | # 18 | 250 | 7,445.56 GWh |
| Washington | # 12 | 134 | 9,231.20 GWh |
| West Virginia | # 32 | 41 | 4,142.41 GWh |
| Wisconsin | # 26 | 266 | 4,582.07 GWh |
| Wyoming | # 38 | 69 | 2,983.81 GWh |