Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Watts Farm | Headwater Energy, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 3.3 GWh | Jun 2012 | Dec 2025 | Solar |
| Holstein Plant | Strata Manager, LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 33.8 GWh | Nov 2015 | Dec 2025 | Solar |
| Laurinburg Solar, LLC (Heelstone) | SRE Utility Solar 1, LLC | Maxton, NC | Duke Energy Carolinas (DUK) | 4.0 GWh | Nov 2015 | Dec 2025 | Solar |
| Innovative Solar 47 | MN8 Energy LLC | Maxton, NC | Duke Energy Progress East (CPLE) | 52.4 GWh | Mar 2017 | Jun 2026 | Solar |
| 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 |
| 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) | 340.3 GWh | Feb 2025 | Jun 2026 | Solar |
| Bakeoven Solar | Avangrid Power LLC | Maupin, OR | Avangrid Renewables, LLC (AVRN) | 146.0 GWh | Oct 2023 | Jun 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 | Jun 2026 | Water |
| DG Crystal Spring CSG | DG Crystal Spring LLC | Mattapoisett, MA | ISO New England (ISNE) | 6.8 GWh | Jun 2017 | Dec 2025 | Solar |
| BWC Origination 18 | BWC Origination 18, LLC | Mattapoisett, MA | ISO New England (ISNE) | 7.4 GWh | Nov 2018 | Dec 2025 | Solar |
| Cooks Mill PV I | Cooks Mill PV I, LLC | Matoon, IL | Midcontinent Independent System Operator, Inc. (MISO) | 68.3 GWh | - | Jun 2026 | Solar |
| El Algodon Alto Wind Farm, LLC | RWE Clean Energy | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 598.6 GWh | Apr 2022 | Jun 2026 | Wind |
| Karankawa Wind LLC | Avangrid Power LLC | Mathis, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 858.3 GWh | Oct 2019 | Jun 2026 | Wind |
| Rush Creek Wind | Public Service Co of Colorado | Matheson, CO | Public Service Company of Colorado (PSCO) | 2.2 TWh | Nov 2018 | Jun 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 : 95.0% Distillate Fuel Oil : 5.0% |
| Blue Star | Greenbacker Renewable Energy Corporation | Massey, MD | PJM Interconnection, LLC (PJM) | 11.5 GWh | Feb 2020 | Dec 2024 | Solar |
| Robert Moses Power Dam | New York Power Authority | Massena, NY | New York Independent System Operator (NYIS) | 6.7 TWh | Jun 1958 | Jun 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 | Jun 2026 | Wind |
| Fayette Energy Facility | Fayette Power Company, LLC | Masontown, PA | PJM Interconnection, LLC (PJM) | 5.3 TWh | May 2003 | Jun 2026 | Natural Gas |
| Regis Mason | Regis Mason LLC | Mason, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.1 GWh | May 2024 | Dec 2025 | Electricity used for energy storage |
| 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 |
| 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 | Dec 2025 | Distillate Fuel Oil |
| Moraine Sands Wind Power | Moraine Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 572.6 GWh | Nov 2023 | Jun 2026 | Wind |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 114.1 GWh | Dec 2024 | Jun 2026 | Solar |
| Glacier Sands Wind Power, LLC | Glacier Sands Wind Power, LLC | Mason City, IL | Midcontinent Independent System Operator, Inc. (MISO) | 641.6 GWh | Oct 2021 | Jun 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) | 585.2 GWh | Apr 2020 | Jun 2026 | Wind |
| Cadence Solar Energy Center | Cadence Solar Energy LLC | Marysville, OH | PJM Interconnection, LLC (PJM) | 215.2 GWh | - | Jun 2026 | Solar |
| Maryneal Windpower | Deriva Energy | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 493.7 GWh | Jun 2021 | Jun 2026 | Wind |
| Dakota Range Wind | Northern States Power Co - Minnesota | Marvin, SD | Midcontinent Independent System Operator, Inc. (MISO) | 989.2 GWh | Dec 2021 | Jun 2026 | Wind |
| 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) | 292.0 MWh | Feb 2012 | Jun 2026 | Natural Gas |
| Clinton Solar (OH) | Clinton Solar (OH) LLC | Martinsville, OH | PJM Interconnection, LLC (PJM) | 60.7 GWh | Sep 2025 | Jun 2026 | Solar |
| Eagle Valley (IN) | AES Indiana | Martinsville, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 TWh | Nov 1951 | Jun 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) | 20.1 GWh | Nov 1995 | Jun 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) | 665.5 GWh | Oct 1995 | Jun 2026 | Natural Gas : 96.5% Other Gas : 3.5% |
| Marathon Bay Area Cogen | Tesoro Marketing & Refining Co. LLC (Martinez) | Martinez, CA | California Independent System Operator (CISO) | 595.9 GWh | Jan 1987 | Jun 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) | 159.8 GWh | Jan 2020 | Jun 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) | 278.5 GWh | Oct 2025 | Jun 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 |
| Emerald Marshfields, LLC | Emerald Marshfield, LLC | Marshfield, MA | ISO New England (ISNE) | 2.3 GWh | Nov 2022 | Dec 2025 | Solar |
| Marshfield PV | Terraform Arcadia | Marshfield, MA | ISO New England (ISNE) | 4.6 GWh | Nov 2013 | Dec 2025 | Solar |
| 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) | 3.0 TWh | Mar 2017 | Jun 2026 | Natural Gas : 99.9% |
| 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) | 61.7 MWh | Jul 1992 | Jun 2026 | Distillate Fuel Oil |
| Harrison County Power Project | Northeast Texas Elec Coop, Inc | Marshall, TX | Southwest Power Pool (SWPP) | 3.0 TWh | May 2003 | Jun 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 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 |
| 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 |
| 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 (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 (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 6 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 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 1 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 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 3 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 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 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 Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.8 GWh | Dec 2016 | Jun 2026 | Solar |
| 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 | 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) | 30.3 GWh | Jun 2012 | Jun 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 | Jun 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 |
Summary of Power Plants By State
Figures are based on June 2026 generation numbers.| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Alabama | # 9 | 77 | 12,594.28 GWh |
| Alaska | # 48 | 140 | 563.53 GWh |
| Arizona | # 11 | 199 | 11,138.97 GWh |
| Arkansas | # 21 | 117 | 6,425.86 GWh |
| California | # 4 | 1,744 | 17,197.11 GWh |
| Colorado | # 29 | 309 | 4,933.21 GWh |
| Connecticut | # 34 | 173 | 3,737.86 GWh |
| Delaware | # 49 | 35 | 376.53 GWh |
| District of Columbia | # 51 | 17 | 18.29 GWh |
| Florida | # 2 | 342 | 26,309.59 GWh |
| Georgia | # 7 | 250 | 13,880.75 GWh |
| Hawaii | # 47 | 70 | 767.91 GWh |
| Idaho | # 41 | 152 | 2,099.32 GWh |
| Illinois | # 5 | 494 | 16,673.62 GWh |
| Indiana | # 18 | 222 | 8,401.10 GWh |
| Iowa | # 23 | 297 | 6,139.01 GWh |
| Kansas | # 25 | 188 | 5,758.25 GWh |
| Kentucky | # 22 | 61 | 6,181.49 GWh |
| Louisiana | # 15 | 90 | 9,779.36 GWh |
| Maine | # 45 | 242 | 1,215.46 GWh |
| Maryland | # 36 | 228 | 3,591.08 GWh |
| Massachusetts | # 44 | 666 | 1,410.23 GWh |
| Michigan | # 14 | 276 | 9,804.74 GWh |
| Minnesota | # 30 | 790 | 4,889.70 GWh |
| Mississippi | # 20 | 60 | 6,899.16 GWh |
| Missouri | # 24 | 129 | 6,066.44 GWh |
| State | Rank | Active Plants | Jun 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 71 | 2,225.73 GWh |
| Nebraska | # 39 | 126 | 3,184.64 GWh |
| Nevada | # 31 | 117 | 4,654.59 GWh |
| New Hampshire | # 43 | 57 | 1,659.52 GWh |
| New Jersey | # 28 | 398 | 5,055.63 GWh |
| New Mexico | # 33 | 159 | 4,408.01 GWh |
| New York | # 10 | 1,064 | 11,564.60 GWh |
| North Carolina | # 8 | 913 | 12,773.20 GWh |
| North Dakota | # 35 | 59 | 3,713.80 GWh |
| Ohio | # 6 | 213 | 13,969.06 GWh |
| Oklahoma | # 17 | 144 | 9,156.03 GWh |
| Oregon | # 27 | 281 | 5,322.08 GWh |
| Pennsylvania | # 3 | 259 | 21,018.65 GWh |
| Rhode Island | # 46 | 107 | 854.92 GWh |
| South Carolina | # 16 | 209 | 9,442.42 GWh |
| South Dakota | # 42 | 53 | 1,803.66 GWh |
| Tennessee | # 19 | 99 | 7,036.17 GWh |
| Texas | # 1 | 1,028 | 57,844.67 GWh |
| Utah | # 38 | 129 | 3,196.09 GWh |
| Vermont | # 50 | 118 | 180.62 GWh |
| Virginia | # 12 | 250 | 10,352.13 GWh |
| Washington | # 13 | 135 | 10,051.77 GWh |
| West Virginia | # 32 | 41 | 4,489.44 GWh |
| Wisconsin | # 26 | 266 | 5,542.48 GWh |
| Wyoming | # 37 | 69 | 3,318.53 GWh |