Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| LaSalle Generating Station | Constellation Nuclear | Marseilles, IL | PJM Interconnection, LLC (PJM) | 19.5 TWh | Dec 1983 | Sep 2025 | Nuclear |
| Grand Ridge Solar Farm | Invenergy Services LLC | Marseilles, IL | PJM Interconnection, LLC (PJM) | 30.5 GWh | Jun 2012 | Sep 2025 | Solar |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.7 GWh | May 1994 | Dec 2024 | Distillate Fuel Oil | |
| 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 (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 704.0 MWh | May 1928 | Dec 2024 | Water |
| GRS C&C | Gas Recovery Systems Inc | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.0 GWh | Jan 1995 | Dec 2024 | Landfill Gas |
| 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 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 5 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 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 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 6 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 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 Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.4 GWh | Dec 2016 | Sep 2025 | 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 (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% |
| Harrison County Power Project | Northeast Texas Elec Coop, Inc | Marshall, TX | Southwest Power Pool (SWPP) | 2.7 TWh | May 2003 | Sep 2025 | Natural Gas |
| Snider Industries | Snider Industries Inc | Marshall, TX | Southwest Power Pool (SWPP) | 12.5 GWh | Jul 1983 | Dec 2024 | Wood/Wood Waste Solids |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.0 GWh | May 1978 | Dec 2024 | Natural Gas |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 61.7 MWh | Jul 1992 | Sep 2025 | Distillate Fuel Oil |
| 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% |
| Vienna Wind Farm | MidAmerican Energy Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 397.6 GWh | Oct 2012 | Dec 2024 | Wind |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 5.2 GWh | Nov 2013 | Dec 2024 | Solar |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Marshfield 6 | Green Mountain Power Corp | Marshfield, VT | ISO New England (ISNE) | 8.1 GWh | Dec 1926 | Dec 2024 | Water |
| 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 |
| Marshville Farm | Strata Manager, LLC | Marshville, NC | Duke Energy Carolinas (DUK) | 7.2 GWh | Sep 2013 | Dec 2024 | Solar |
| BG Stewart Solar Farm, LLC | Cypress Creek Renewables | Marshville, NC | Duke Energy Carolinas (DUK) | 8.3 GWh | Oct 2015 | Dec 2024 | Solar |
| Rockingham Solar, LLC | SRE Utility Solar 1, LLC | Marston, NC | Duke Energy Carolinas (DUK) | 9.8 GWh | Oct 2015 | Dec 2024 | Solar |
| Barnstable Landfill | Clean Focus Yield, LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Marston Mills Solar | SoCore Energy LLC | Marstons Mills, MA | ISO New England (ISNE) | 5.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Prairie Hill Wind Project | Engie North America | Mart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 126.4 GWh | Nov 2020 | Sep 2025 | Wind |
| Lily Solar | X-Elio North America Inc | Martin, SC | Dominion Energy South Carolina, Inc. (SCEG) | 163.2 GWh | Jan 2020 | Sep 2025 | Solar |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 613.4 GWh | Jan 1987 | Sep 2025 | Natural Gas |
| 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% |
| CCCSD Wastewater Treatment Plnt | Central Contra Costa Sanitary District | Martinez, CA | California Independent System Operator (CISO) | 17.2 GWh | Nov 1995 | Sep 2025 | Natural Gas |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 74.5 GWh | May 1914 | Dec 2024 | Water |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 72.8 GWh | Dec 2011 | Dec 2024 | Wind |
| Eagle Valley (IN) | AES Indiana | Martinsville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 TWh | Nov 1951 | Sep 2025 | Natural Gas |
| Martinsville LFG Generator | City of Martinsville - (VA) | Martinsville, VA | PJM Interconnection, LLC (PJM) | 229.0 MWh | Feb 2012 | Aug 2025 | Natural Gas |
| Dakota Range Wind | Northern States Power Co - Minnesota | Marvin, SD | Midcontinent Independent System Operator, Inc. (MISO) | 896.5 GWh | Dec 2021 | Sep 2025 | Wind |
| Maryneal Windpower | Duke Energy Renewables Services | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 592.1 GWh | Jun 2021 | Sep 2025 | Wind |
| Clear Creek Wind | Clear Creek Wind, LLC | Maryville, MO | Associated Electric Cooperative, Inc. (AECI) | 437.6 GWh | Apr 2020 | Sep 2025 | Wind |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 426.0 MWh | Nov 1941 | Jul 2024 | Water |
| Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2024 | Natural Gas |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.3 GWh | Aug 2014 | Dec 2024 | Solar |
| Moraine Sands Wind Power | Moraine Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 576.6 GWh | Nov 2023 | Sep 2025 | Wind |
| Glacier Sands Wind Power, LLC | Glacier Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 635.4 GWh | Oct 2021 | Sep 2025 | Wind |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 86.2 GWh | - | Sep 2025 | Solar |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Apr 1991 | Aug 2024 | Distillate Fuel Oil |
| CED Mason City Wind | Consolidated Edison Development Inc. | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 23.9 GWh | Apr 2020 | Dec 2024 | Wind |
| Blue Elk II Solar, LLC | Blue Elk II Solar, LLC | Mason, MI | Midcontinent Independent System Operator, Inc. (MISO) | 25.6 GWh | Apr 2024 | Dec 2024 | Solar |
| Fayette Energy Facility | Fayette Power Company, LLC | Masontown, PA | PJM Interconnection, LLC (PJM) | 4.5 TWh | May 2003 | Sep 2025 | Natural Gas |
| Rolling Hills Wind Farm | MidAmerican Energy Co | Massena, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | Nov 2011 | Sep 2025 | Wind |
| Robert Moses Power Dam | New York Power Authority | Massena, NY | New York Independent System Operator (NYIS) | 6.8 TWh | Jun 1958 | Sep 2025 | Water |
| Massena Energy Facility | Power City Partners LP | Massena, NY | New York Independent System Operator (NYIS) | 12.2 GWh | Jun 1992 | Nov 2024 | Natural Gas |
| Blue Star | Greenbacker Renewable Energy Corporation | Massey, MD | PJM Interconnection, LLC (PJM) | 11.5 GWh | Feb 2020 | Dec 2024 | Solar |
| William Floyd School District | William Floyd School District | Mastic Beach, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Jan 2004 | Dec 2023 | Natural Gas : 96.6% Distillate Fuel Oil : 3.4% |
| FAA NorCal TRACON | Enfinity NorCal 1 FAA LLC | Mather AFB, CA | Balancing Authority of Northern California (BANC) | 1.6 GWh | Nov 2012 | Dec 2024 | Solar |
| Rush Creek Wind | Public Service Co of Colorado | Matheson, CO | Public Service Company of Colorado (PSCO) | 2.2 TWh | Nov 2018 | Sep 2025 | Wind |
| Karankawa Wind LLC | Avangrid Power LLC | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 830.7 GWh | Oct 2019 | Sep 2025 | Wind |
| El Algodon Alto Wind Farm, LLC | El Algodon Alto Wind Farm, LLC | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 668.2 GWh | Apr 2022 | Sep 2025 | Wind |
| DG Crystal Spring CSG | DG Crystal Spring LLC | Mattapoisett, MA | ISO New England (ISNE) | 6.8 GWh | Jun 2017 | Dec 2024 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.6 GWh | Nov 2018 | Dec 2024 | Solar |
| Priest Rapids | PUD No 2 of Grant County | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.0 TWh | Sep 1959 | Sep 2025 | Water |
| St. Matthews Solar | St. Matthews Solar, LLC | Matthews, SC | Dominion Energy South Carolina, Inc. (SCEG) | 18.5 GWh | Jul 2017 | Dec 2024 | Solar |
| Taylor | Energy Developments, Inc d/b/a EDL | Mauk, GA | Southern Company Services, Inc. - Trans (SOCO) | 33.4 GWh | Aug 2003 | Dec 2024 | Landfill Gas |
| Bakeoven Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 53.7 GWh | - | Sep 2025 | Solar |
| Daybreak Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 234.5 GWh | - | Sep 2025 | Solar |
| Lemonweir (Oak 1) | Greenbacker Renewable Energy Corporation | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Nov 2023 | Dec 2024 | Solar |
| Elroy Solar | Butter Solar, LLC | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Aug 2019 | Dec 2024 | Solar |
| Holstein Plant | Strata Manager, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 35.4 GWh | Nov 2015 | Dec 2024 | Solar |
| Innovative Solar 47 | MN8 Energy LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 51.3 GWh | Mar 2017 | Sep 2025 | Solar |
| Laurinburg Solar, LLC (Heelstone) | SRE Utility Solar 1, LLC | Maxton, NC | Duke Energy Carolinas (DUK) | 4.1 GWh | Nov 2015 | Dec 2024 | Solar |
| Innovative Solar 48 | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 8.5 GWh | Oct 2015 | Dec 2024 | Solar |
| Maxton Solar, LLC | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 9.8 GWh | Aug 2016 | Dec 2024 | Solar |
| Thigpen Farms Solar, LLC | Thigpen Solar, LLC | Maxton, NC | Duke Energy Carolinas (DUK) | 7.7 GWh | Nov 2023 | Dec 2024 | Solar |
| Watts Farm | Palmetto Power Management LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 7.1 GWh | Jun 2012 | Dec 2024 | Solar |
| Progress Solar III, LLC | Oppidum Renewables USA, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 5.8 GWh | Oct 2012 | Dec 2024 | Solar |
| Colusa Generating Station | Pacific Gas & Electric Co. | Maxwell, CA | California Independent System Operator (CISO) | 2.8 TWh | Nov 2010 | Sep 2025 | Natural Gas |
| USS Dressen Family Solar LLC | United States Solar Corporation | Mayer, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Jun 2023 | Dec 2024 | Solar |
| Maynard PV | Terraform Arcadia | Maynard, MA | ISO New England (ISNE) | 1.2 GWh | Dec 2013 | Dec 2024 | Solar |
| Centaurus Community Solar | Centaurus Community Solar | Maynard, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | Aug 2017 | Dec 2024 | Solar |
| Wolverine Solar | Wolverine Solar, LLC | Maynard, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Oct 2023 | Dec 2024 | Solar |
| Avalon Hydropower | Avalon Hydropower LLC | Mayodan, NC | Duke Energy Carolinas (DUK) | 3.4 GWh | Mar 1997 | Sep 2025 | Water |
| AC Criminal Courts Complex SPE2, LLC | AES Distributed Energy | Mays Landing, NJ | PJM Interconnection, LLC (PJM) | 496.0 MWh | Nov 2012 | Dec 2024 | Solar |
| H L Spurlock | East Kentucky Power Coop, Inc | Maysville, KY | PJM Interconnection, LLC (PJM) | 8.3 TWh | Aug 1977 | Sep 2025 | Bituminous Coal : 99.5% |
| Hanover Solar, LLC | MN8 Energy LLC | Maysville, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Mar 2018 | Dec 2024 | Solar |
| Badger | Strata Manager, LLC | Maysville, NC | Duke Energy Progress West (CPLW) | 10.6 GWh | Feb 2019 | Dec 2024 | Solar |
| Swansboro Solar, LLC | Swansboro Solar, LLC | Maysville, NC | Duke Energy Progress East (CPLE) | 5.5 GWh | Mar 2021 | Dec 2024 | Solar |
| Butler Ridge | Butler Ridge Wind Energy Center | Mayville, WI | Midcontinent Independent System Operator, Inc. (MISO) | 140.2 GWh | Jan 2009 | Sep 2025 | Wind |
| Loyola University Health Plant | Loyola University Health System | Maywood, IL | PJM Interconnection, LLC (PJM) | 14.8 GWh | Aug 2005 | Dec 2024 | Natural Gas |
| Siems Solar Project CSG | Siems Community Solar LLC | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Jul 2020 | Dec 2024 | Solar |
| Novel Sunnyfield Farms Solar LLC CSG | REA Investments, LLC | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | May 2022 | Dec 2024 | Solar |
| Rochester Hydro | Rochester Public Utilities | Mazeppa, MN | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Aug 1984 | Dec 2024 | Water |
| McAdoo Wind Energy LLC | Invenergy Services LLC | McAdoo, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 363.6 GWh | Aug 2008 | Dec 2024 | Wind |
| Stuart (OK) | Peoples Electric Cooperative | McAlester, OK | Southwest Power Pool (SWPP) | 22.3 GWh | Mar 2023 | Dec 2024 | 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 | 144 | 527.57 GWh |
| Arizona | # 9 | 181 | 11,602.92 GWh |
| Arkansas | # 21 | 116 | 5,844.09 GWh |
| California | # 4 | 1,735 | 19,371.91 GWh |
| Colorado | # 30 | 300 | 4,433.17 GWh |
| Connecticut | # 32 | 166 | 3,779.74 GWh |
| Delaware | # 49 | 33 | 419.31 GWh |
| District of Columbia | # 51 | 16 | 16.99 GWh |
| Florida | # 2 | 322 | 24,446.09 GWh |
| Georgia | # 8 | 262 | 11,628.97 GWh |
| Hawaii | # 47 | 73 | 826.54 GWh |
| Idaho | # 44 | 147 | 1,495.33 GWh |
| Illinois | # 5 | 381 | 14,642.93 GWh |
| Indiana | # 14 | 209 | 8,730.35 GWh |
| Iowa | # 26 | 292 | 5,224.35 GWh |
| Kansas | # 25 | 188 | 5,250.86 GWh |
| Kentucky | # 23 | 60 | 5,806.86 GWh |
| Louisiana | # 13 | 86 | 9,343.34 GWh |
| Maine | # 45 | 215 | 1,135.36 GWh |
| Maryland | # 39 | 203 | 2,935.42 GWh |
| Massachusetts | # 41 | 648 | 1,746.92 GWh |
| Michigan | # 11 | 272 | 10,468.02 GWh |
| Minnesota | # 29 | 765 | 4,717.95 GWh |
| Mississippi | # 20 | 57 | 6,625.37 GWh |
| Missouri | # 22 | 127 | 5,843.17 GWh |
| State | Rank | Active Plants | Sep 2025 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 1,949.24 GWh |
| Nebraska | # 34 | 129 | 3,501.38 GWh |
| Nevada | # 31 | 114 | 4,053.88 GWh |
| New Hampshire | # 42 | 60 | 1,549.07 GWh |
| New Jersey | # 27 | 393 | 4,969.45 GWh |
| New Mexico | # 36 | 143 | 3,317.84 GWh |
| New York | # 12 | 957 | 10,145.62 GWh |
| North Carolina | # 10 | 906 | 11,211.15 GWh |
| North Dakota | # 37 | 60 | 3,089.17 GWh |
| Ohio | # 6 | 197 | 12,818.31 GWh |
| Oklahoma | # 17 | 142 | 7,364.05 GWh |
| Oregon | # 28 | 276 | 4,812.51 GWh |
| Pennsylvania | # 3 | 256 | 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 | 939 | 51,969.48 GWh |
| Utah | # 35 | 125 | 3,419.48 GWh |
| Vermont | # 50 | 117 | 165.14 GWh |
| Virginia | # 15 | 239 | 8,580.52 GWh |
| Washington | # 18 | 137 | 7,120.43 GWh |
| West Virginia | # 38 | 39 | 3,057.29 GWh |
| Wisconsin | # 24 | 250 | 5,674.74 GWh |
| Wyoming | # 33 | 69 | 3,641.70 GWh |