Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Innovative Solar 48 | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 1.6 GWh | Oct 2015 | Dec 2025 | Solar |
| Maxton Solar, LLC | Cypress Creek Renewables | Maxton, NC | Duke Energy Carolinas (DUK) | 2.2 GWh | Aug 2016 | Dec 2025 | Solar |
| Thigpen Farms Solar, LLC | Thigpen Solar, LLC | Maxton, NC | Duke Energy Carolinas (DUK) | 10.4 GWh | Nov 2023 | Dec 2025 | Solar |
| Holstein Plant | Strata Manager, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 33.8 GWh | Nov 2015 | Dec 2025 | Solar |
| Elroy Solar | Green Street Power Partners | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Aug 2019 | Dec 2025 | Solar |
| Lemonweir (Oak 1) | Greenbacker Renewable Energy Corporation | Mauston, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Nov 2023 | Dec 2025 | Solar |
| Daybreak Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 339.6 GWh | Feb 2025 | Aug 2026 | Solar |
| Bakeoven Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 145.2 GWh | Oct 2023 | Aug 2026 | Solar |
| Maumee Solar | Madison Energy Investments LLC | Maumee, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Oct 2024 | Dec 2025 | Solar |
| Taylor | Energy Developments, Inc d/b/a EDL | Mauk, GA | Southern Company Services, Inc. - Trans (SOCO) | 18.2 GWh | Aug 2003 | Dec 2025 | Landfill Gas |
| St. Matthews Solar | SunStrong Management | Matthews, SC | Dominion Energy South Carolina, Inc. (SCEG) | 16.6 GWh | Jul 2017 | Dec 2025 | Solar |
| Priest Rapids | PUD No 2 of Grant County - (WA) | Mattawa, WA | Bonneville Power Administration (BPAT) | 4.9 TWh | Sep 1959 | Aug 2026 | Water |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2018 | Dec 2025 | Solar |
| DG Crystal Spring CSG | DG Crystal Spring LLC | Mattapoisett, MA | ISO New England (ISNE) | 6.8 GWh | Jun 2017 | Dec 2025 | Solar |
| Cooks Mill PV I | Cooks Mill PV I, LLC | Matoon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 115.9 GWh | - | Aug 2026 | Solar |
| El Algodon Alto Wind Farm, LLC | RWE Clean Energy | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 601.0 GWh | Apr 2022 | Aug 2026 | Wind |
| Karankawa Wind LLC | Avangrid Power LLC | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 886.5 GWh | Oct 2019 | Aug 2026 | Wind |
| Rush Creek Wind | Public Service Co of Colorado | Matheson, CO | Public Service Company of Colorado (PSCO) | 2.2 TWh | Nov 2018 | Aug 2026 | Wind |
| FAA NorCal TRACON | Enfinity NorCal 1 FAA LLC | Mather AFB, CA | Balancing Authority of Northern California (BANC) | 1.9 GWh | Nov 2012 | Dec 2025 | Solar |
| William Floyd School District | William Floyd School District | Mastic Beach, NY | New York Independent System Operator (NYIS) | 3.2 GWh | Jan 2004 | Dec 2025 | Natural Gas : 99.6% |
| Blue Star | Greenbacker Renewable Energy Corporation | Massey, MD | PJM Interconnection, LLC (PJM) | 7.7 GWh | Feb 2020 | Dec 2025 | Solar |
| Robert Moses Power Dam | New York Power Authority | Massena, NY | New York Independent System Operator (NYIS) | 6.9 TWh | Jun 1958 | Aug 2026 | 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 |
| Rolling Hills Wind Farm | MidAmerican Energy Co | Massena, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | Nov 2011 | Aug 2026 | Wind |
| Fayette Energy Facility | Fayette Power Company, LLC | Masontown, PA | PJM Interconnection, LLC (PJM) | 5.3 TWh | May 2003 | Aug 2026 | Natural Gas |
| Blue Elk II Solar, LLC | Blue Elk II Solar, LLC | Mason, MI | Midcontinent Independent System Operator, Inc. (MISO) | 35.1 GWh | Apr 2024 | Dec 2025 | Solar |
| REG Mason City Solar | REG Mason City, LLC | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.1 GWh | Nov 2024 | Dec 2025 | Solar |
| CED Mason City Wind | RWE Clean Energy | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 29.5 GWh | Apr 2020 | Dec 2025 | Wind |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Apr 1991 | Sep 2025 | Distillate Fuel Oil |
| Glacier Sands Wind Power, LLC | Glacier Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 649.5 GWh | Oct 2021 | Aug 2026 | Wind |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 116.1 GWh | Dec 2024 | Aug 2026 | Solar |
| Moraine Sands Wind Power | Moraine Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 583.8 GWh | Nov 2023 | Aug 2026 | Wind |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 814.0 MWh | Jun 2023 | Dec 2025 | Solar |
| Mashpee Landfill Solar | Nautilus Solar Solutions | Mashpee, MA | ISO New England (ISNE) | 2.0 GWh | Aug 2014 | Dec 2025 | Solar |
| Foxwoods CoGen | Foxwoods Resort Casino | Mashantucket, CT | ISO New England (ISNE) | 10.8 GWh | May 2010 | Dec 2025 | Natural Gas |
| Squa Pan Hydro Station | Algonquin Northern Maine | Masardis, ME | (NBSO) | 564.0 MWh | Nov 1941 | Dec 2025 | Water |
| BNRG Masardis (CSG) | Nautilus Solar Solutions | Masardis, ME | ISO New England (ISNE) | 4.5 GWh | Nov 2024 | Dec 2025 | Solar |
| SR Blount, LLC | SR Blount, LLC | Maryville, TN | Tennessee Valley Authority (TVA) | 707.0 MWh | May 2025 | Dec 2025 | Solar |
| Clear Creek Wind | Clear Creek Wind, LLC | Maryville, MO | Associated Electric Cooperative, Inc. (AECI) | 591.9 GWh | Apr 2020 | Aug 2026 | Wind |
| Cadence Solar Energy Center | Cadence Solar Energy LLC | Marysville, OH | PJM Interconnection, LLC (PJM) | 307.3 GWh | - | Aug 2026 | Solar |
| Maryneal Windpower | Deriva Energy | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 504.6 GWh | Jun 2021 | Aug 2026 | Wind |
| Dakota Range Wind | Northern States Power Co - Minnesota | Marvin, SD | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 TWh | Dec 2021 | Aug 2026 | Wind |
| Martinsville BESS | Onsite Partners, LLC | Martinsville, VA | PJM Interconnection, LLC (PJM) | 937.0 MWh | Mar 2022 | Dec 2025 | Electricity used for energy storage |
| Sunny Rock Solar, LLC | Sunny Rock Solar, LLC | Martinsville, VA | PJM Interconnection, LLC (PJM) | 21.9 GWh | Mar 2025 | Dec 2025 | Solar |
| Martinsville LFG Generator | City of Martinsville - (VA) | Martinsville, VA | PJM Interconnection, LLC (PJM) | 252.0 MWh | Feb 2012 | Jul 2026 | Natural Gas |
| Clinton Solar (OH) | Clinton Solar (OH) LLC | Martinsville, OH | PJM Interconnection, LLC (PJM) | 84.7 GWh | Sep 2025 | Aug 2026 | Solar |
| Eagle Valley (IN) | AES Indiana | Martinsville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.4 TWh | Nov 1951 | Aug 2026 | Natural Gas |
| Gordon Butte Wind LLC | Gordon Butte Wind LLC | Martinsdale, MT | NorthWestern Corporation (NWMT) | 66.5 GWh | Dec 2011 | Dec 2025 | Wind |
| Stevens Creek | Dominion Energy South Carolina, Inc | Martinez, GA | Dominion Energy South Carolina, Inc. (SCEG) | 70.8 GWh | May 1914 | Nov 2025 | Water |
| CCCSD Wastewater Treatment Plnt | Central Contra Costa Sanitary District | Martinez, CA | California Independent System Operator (CISO) | 20.0 GWh | Nov 1995 | Aug 2026 | Natural Gas |
| Martinez Sulfuric Acid Regeneration Plt | Eco Services Corp. | Martinez, CA | California Independent System Operator (CISO) | 13.4 GWh | Dec 1977 | Dec 2025 | Waste Heat |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 658.2 GWh | Oct 1995 | Aug 2026 | Natural Gas : 96.1% Other Gas : 3.9% |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 598.3 GWh | Jan 1987 | Aug 2026 | Natural Gas |
| Central San | REC CSD, LLC | Martinez, CA | California Independent System Operator (CISO) | 3.0 GWh | Dec 2024 | Dec 2025 | Solar |
| Lily Solar | X-Elio North America Inc | Martin, SC | Dominion Energy South Carolina, Inc. (SCEG) | 165.8 GWh | Jan 2020 | Aug 2026 | Solar |
| Prairie Hill Wind Project | Engie North America | Mart, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 94.0 GWh | Nov 2020 | Nov 2025 | Wind |
| Barnstable Landfill | Clean Focus Yield, LLC | Marstons Mills, MA | ISO New England (ISNE) | 4.9 GWh | Aug 2014 | Dec 2025 | Solar |
| Marston Mills Solar | SoCore Energy LLC | Marstons Mills, MA | ISO New England (ISNE) | 6.3 GWh | Nov 2021 | Dec 2025 | Solar |
| Rockingham Solar, LLC | SRE Utility Solar 1, LLC | Marston, NC | Duke Energy Carolinas (DUK) | 8.7 GWh | Oct 2015 | Dec 2025 | Solar |
| New Madrid Solar, LLC | New Madrid Solar, LLC | Marston, MO | Midcontinent Independent System Operator, Inc. (MISO) | 404.1 GWh | Oct 2025 | Aug 2026 | Solar |
| BG Stewart Solar Farm, LLC | Cypress Creek Renewables | Marshville, NC | Duke Energy Carolinas (DUK) | 9.2 GWh | Oct 2015 | Dec 2025 | Solar |
| Marshville Farm | Strata Manager, LLC | Marshville, NC | Duke Energy Carolinas (DUK) | 7.9 GWh | Sep 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 |
| 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 |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2022 | Dec 2025 | Solar |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | May 1978 | Dec 2025 | Natural Gas |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 35.3 MWh | Jul 1992 | Aug 2026 | Distillate Fuel Oil |
| Vienna Wind Farm | MidAmerican Energy Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 621.7 GWh | Oct 2012 | Dec 2025 | Wind |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Mar 2017 | Aug 2026 | Natural Gas : 99.8% |
| Harrison County Power Project | Northeast Texas Elec Coop, Inc | Marshall, TX | Southwest Power Pool (SWPP) | 3.0 TWh | May 2003 | Aug 2026 | Natural Gas |
| Snider Industries | Snider Industries Inc | Marshall, TX | Southwest Power Pool (SWPP) | 13.9 GWh | Jul 1983 | Dec 2025 | Wood/Wood Waste Solids |
| NSF Marshall Site 3 | NSF Marshall Site 3, LLC | Marshall, NY | New York Independent System Operator (NYIS) | 191.0 MWh | Oct 2025 | Dec 2025 | Solar |
| NSF Marshall Site 2 | NSF Marshall Site 2, LLC | Marshall, NY | New York Independent System Operator (NYIS) | 320.0 MWh | Oct 2025 | Dec 2025 | Solar |
| NSF Marshall Site 1 | NSF Marshall Site 1, LLC | Marshall, NY | New York Independent System Operator (NYIS) | 237.0 MWh | Oct 2025 | Dec 2025 | Solar |
| 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 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 Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 98.1 GWh | Dec 2016 | Aug 2026 | 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 (MN) | City of Marshall - (MN) | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 93.1 MWh | Jun 1969 | Dec 2025 | Distillate Fuel Oil |
| 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 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 4 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 GWh | Nov 2007 | Dec 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 (MI) | City of Marshall - (MI) | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 638.0 MWh | May 1928 | Dec 2025 | Water |
| GRS C&C | Gas Recovery Systems Inc | Marshall, MI | Midcontinent Independent System Operator, Inc. (MISO) | 21.0 GWh | Jan 1995 | Dec 2025 | Landfill Gas |
| 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 Solar (IL) | Altorfer Inc. | Marshall, IL | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Mar 2025 | Jan 2025 | Solar |
| Marshall | Alaska Village Elec Coop, Inc | Marshall, AK | 1.7 GWh | May 1994 | Dec 2025 | Distillate Fuel Oil | |
| Grand Ridge Solar Farm | Invenergy Services LLC | Marseilles, IL | PJM Interconnection, LLC (PJM) | 29.6 GWh | Jun 2012 | Aug 2026 | Solar |
| Grand Ridge Wind Energy Center | Invenergy Services LLC | Marseilles, IL | PJM Interconnection, LLC (PJM) | 447.2 GWh | Sep 2008 | Dec 2025 | Wind |
| LaSalle Generating Station | Constellation Nuclear | Marseilles, IL | PJM Interconnection, LLC (PJM) | 18.5 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Mars Hill Wind Farm Project | Evergreen Wind, LLC | Mars Hill, ME | (NBSO) | 128.3 GWh | Feb 2007 | Dec 2025 | Wind |
| Mars Hill | Greenbacker Renewable Energy Corporation | Mars Hill, ME | ISO New England (ISNE) | 3.8 GWh | Oct 2024 | Dec 2025 | Solar |
| P52ES 1755 Henryton Rd Phase 2 LLC | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.7 GWh | May 2021 | Dec 2025 | Solar |
| P52ES 1755 Henryton Rd Phase 1 LLC CSG | Nautilus Solar Solutions | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 3.4 GWh | May 2021 | Dec 2025 | Solar |
| Alpha Ridge LFG | Howard County - Maryland | Marriottsville, MD | PJM Interconnection, LLC (PJM) | 250.0 MWh | Jun 2012 | Dec 2025 | Landfill Gas |
| Marquette Energy Center | City of Marquette - (MI) | Marquette, MI | Midcontinent Independent System Operator, Inc. (MISO) | 163.7 GWh | Jul 2017 | Dec 2025 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
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 |