Directory of Power Plants in the United States
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Braley Road 2 | Mass Solar, LLC | Freetown, MA | ISO New England (ISNE) | 1.6 GWh | Feb 2015 | Dec 2024 | Solar |
| North Brookfield | Mass Solar, LLC | North Brookfield, MA | ISO New England (ISNE) | 4.2 GWh | May 2014 | Dec 2024 | Solar |
| Mas Durham Power, LLC | Mas Durham Power, LLC | Durham, NC | Duke Energy Carolinas (DUK) | 10.2 GWh | Jan 2010 | Dec 2024 | Landfill Gas |
| Falls River Hydro | Marysville Hydro Partners | Ashton, ID | Bonneville Power Administration (BPAT) | 47.4 GWh | Jul 1993 | Dec 2024 | Water |
| Eastern Correctional Institute | Maryland Environmental Service | Westover, MD | PJM Interconnection, LLC (PJM) | 12.7 GWh | Jul 1987 | Feb 2026 | Natural Gas : 98.8% Distillate Fuel Oil : 1.2% |
| Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 725.2 GWh | Oct 1995 | Feb 2026 | Natural Gas : 96.7% Other Gas : 3.3% |
| Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 211.5 GWh | Nov 2024 | Feb 2026 | Solar |
| 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 3 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 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 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 1 LLC | Marshall Wind Farm, LLC | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Nov 2007 | Dec 2024 | Wind |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 96.5 GWh | Dec 2016 | Feb 2026 | Solar |
| Marshall Solar | Marshall Solar | Hartsville, SC | Duke Energy Progress East (CPLE) | 3.2 GWh | Jun 2022 | Dec 2024 | Solar |
| Marsh Valley Development | Marsh Valley Development Inc | McCammon, ID | PacifiCorp East (PACE) | 6.9 GWh | Mar 1993 | Apr 2024 | Water |
| Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 14.9 GWh | Apr 2013 | Feb 2026 | Natural Gas |
| Mars Wrigley Confectionery US, LLC | Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | PJM Interconnection, LLC (PJM) | 41.7 GWh | Sep 1984 | Dec 2024 | Natural Gas |
| ME - Novel (Lighthouse Ph I) Mars Hill | Mars Hill Road Solar Farm, LLC | Westfield, ME | ISO New England (ISNE) | 22.0 MWh | Jul 2024 | Dec 2024 | Solar |
| OR - Green Key - Marquam | Marquam Creek Solar, LLC | Molalla, OR | Portland General Electric Company (PGE) | 37.0 MWh | Nov 2024 | Dec 2024 | Solar |
| Marlow Solar, LLC CSG | Marlow Solar, LLC | Bluford, IL | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Nov 2020 | Dec 2024 | Solar |
| Marlborough Solar | Marlborough Solar, LLC | Milton, NY | ISO New England (ISNE) | 3.4 GWh | Feb 2021 | Dec 2024 | Solar |
| Marlboro Mushrooms Solar Field | Marlboro Mushroom | West Grove, PA | PJM Interconnection, LLC (PJM) | 1.3 GWh | Oct 2011 | Dec 2024 | Solar |
| Markum Solar Farm | Markum Solar Farm, LLC | Valley Mills, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 371.9 GWh | Oct 2024 | Feb 2026 | Solar |
| Belmont | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Oct 2015 | Dec 2024 | Solar |
| Marion Solar LNG | Marion Solar LLC | Indianapolis, IN | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Sep 2015 | Dec 2024 | Solar |
| Heller 400M | Marina Energy LLC | Edison Township, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Apr 2013 | Dec 2024 | Solar |
| Heller Industrial Parks | Marina Energy LLC | Dayton, NJ | PJM Interconnection, LLC (PJM) | 7.7 GWh | Nov 2011 | Dec 2024 | Solar |
| Freeze Solar | Marina Energy LLC | Dayton, NJ | PJM Interconnection, LLC (PJM) | 2.0 GWh | Nov 2013 | Dec 2024 | Solar |
| Syncarpha Freetown | Marie's Way Solar I, LLC | Freetown, MA | ISO New England (ISNE) | 6.2 GWh | Oct 2016 | Dec 2024 | Solar |
| Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | PJM Interconnection, LLC (PJM) | 5.6 TWh | Nov 2004 | Feb 2026 | Natural Gas |
| Marco Ranch | Marco Power Inc | Jerome, ID | Idaho Power Company (IPCO) | 2.5 GWh | Jul 1985 | Oct 2024 | Water |
| DC Water Solar | Marbury Point Solar LLC | Washington, DC | PJM Interconnection, LLC (PJM) | 5.6 GWh | Apr 2021 | Dec 2024 | Solar |
| Marble River Wind Farm | Marble River, LLC | Churubusco, NY | New York Independent System Operator (NYIS) | 469.1 GWh | Oct 2012 | Feb 2026 | Wind |
| Mapleton Community Solar | Mapleton Community Solar | Mapleton, MN | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | May 2017 | Dec 2024 | Solar |
| Maple(CSG) | Maple Street Solar 1, LLC | Bellingham, MA | ISO New England (ISNE) | 6.7 GWh | Oct 2021 | Dec 2024 | Solar |
| Mantisi | Mantisi Solar LLC | Brockport, NY | New York Independent System Operator (NYIS) | 6.5 GWh | Feb 2024 | Dec 2024 | Solar |
| Custer Energy Center | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | May 1999 | Dec 2024 | Natural Gas |
| Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 179.2 GWh | May 1955 | Feb 2026 | Wood/Wood Waste Solids : 91.2% Petroleum Coke : 4.9% Bituminous Coal : 3.6% |
| Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 2.0 TWh | Aug 1995 | Feb 2026 | Natural Gas : 91.8% Distillate Fuel Oil : 8.2% |
| Mammoth Plains | Mammoth Plains Wind Project | Oakwood, OK | Southwest Power Pool (SWPP) | 719.9 GWh | Nov 2014 | Dec 2024 | Wind |
| Mammoth North Solar | Mammoth North, LLC | Knox, IN | PJM Interconnection, LLC (PJM) | 750.2 GWh | Oct 2024 | Feb 2026 | Solar |
| Malmedal Solar Garden | Malmedal Garden LLC | Starbuck, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Jun 2019 | Dec 2024 | Solar |
| Major Oak Power | Major Oak Power, LLC | Bremond, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.2 TWh | Aug 1990 | Feb 2026 | Lignite Coal : 99.8% |
| MMWAC Resource Recovery Facility | Maine Waste to Energy | Auburn, ME | ISO New England (ISNE) | 9.0 GWh | May 1992 | Feb 2026 | Non-biogenic Municipal Solid Waste : 54.0% Biogenic Municipal Solid Waste : 44.2% Natural Gas : 1.9% |
| Pittsfield Solar (N. Main St) | Maine DG Solar Pittsfield, LLC | Pittsfield, ME | ISO New England (ISNE) | 8.4 GWh | Sep 2023 | Dec 2024 | Solar |
| Monmouth | Maine DG Solar Monmouth, LLC | Monmouth, ME | ISO New England (ISNE) | 9.4 GWh | Feb 2022 | Dec 2024 | Solar |
| Harmony Solar (ME) | Maine DG Solar Harmony, LLC | Harmony, ME | ISO New England (ISNE) | 8.9 GWh | Jul 2022 | Dec 2024 | Solar |
| Baldwin (ME) | Maine DG Solar Baldwin, LLC | West Baldwin, ME | ISO New England (ISNE) | 9.9 GWh | Feb 2022 | Dec 2024 | Solar |
| Augusta | Maine DG Solar Augusta, LLC | Augusta, ME | ISO New England (ISNE) | 4.7 GWh | Feb 2022 | Dec 2024 | Solar |
| Maimonides Medical Center | Maimonides Medical Center | Brooklyn, NY | New York Independent System Operator (NYIS) | 21.0 MWh | Dec 1989 | Dec 2024 | Distillate Fuel Oil |
| Biomass to Energy Facility, Kauai | Mahipapa LLC | Koloa, HI | 6.4 GWh | Apr 2014 | Dec 2024 | Agricultural By-Products : 99.8% | |
| Magnolia Power | Magnolia Power Holdings LLC | Plaquemine, LA | Midcontinent Independent System Operator, Inc. (MISO) | 867.0 GWh | - | Feb 2026 | Natural Gas |
| Magdaline Solar, LLC | Magdaline Solar, LLC | Lynchburg, SC | Duke Energy Progress East (CPLE) | 2.9 GWh | Aug 2023 | Dec 2024 | Solar |
| Madison Windpower LLC | Madison Windpower LLC | Madison, NY | New York Independent System Operator (NYIS) | 543.0 MWh | Sep 2000 | Sep 2025 | Wind |
| Tyto Solar | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 10.8 GWh | Jan 2024 | Dec 2024 | Solar |
| Top of Iowa Windfarm III | Madison Gas & Electric Co | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 43.8 GWh | Jan 2008 | Dec 2024 | Wind |
| Diesel Generators | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | May 2001 | Feb 2026 | Distillate Fuel Oil |
| Middleton Airport Solar | Madison Gas & Electric Co | Middleton, WI | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Jun 2020 | Dec 2024 | Solar |
| Saratoga Wind Farm | Madison Gas & Electric Co | Lime Springs, IA | Midcontinent Independent System Operator, Inc. (MISO) | 258.1 GWh | Jan 2019 | Feb 2026 | Wind |
| Nine Springs | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 82.0 MWh | Nov 1964 | Dec 2024 | Natural Gas |
| Wind Turbine | Madison Gas & Electric Co | Casco, WI | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | May 1999 | Dec 2024 | Wind |
| West Campus Cogeneration Facility | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 282.0 GWh | Mar 2005 | Dec 2024 | Natural Gas : 99.8% |
| West Marinette 34 | Madison Gas & Electric Co | Peshtigo, WI | Midcontinent Independent System Operator, Inc. (MISO) | 43.6 GWh | May 2000 | Dec 2024 | Natural Gas |
| Sycamore (WI) | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 19.0 MWh | Nov 1967 | Dec 2024 | Natural Gas |
| Blount Street | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 48.8 GWh | May 1957 | Dec 2024 | Natural Gas |
| Fitchburg | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Apr 1973 | Dec 2024 | Natural Gas |
| Hermsdorf Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 14.8 GWh | Feb 2022 | Dec 2024 | Solar |
| O'Brien Solar Fields | Madison Gas & Electric Co | Fitchburg, WI | Midcontinent Independent System Operator, Inc. (MISO) | 38.5 GWh | Apr 2021 | Dec 2024 | Solar |
| Dane County Airport Solar | Madison Gas & Electric Co | Madison, WI | Midcontinent Independent System Operator, Inc. (MISO) | 17.7 GWh | Nov 2020 | Dec 2024 | Solar |
| Madison Fields Solar Project, LLC | Madison Fields Solar Project, LLC | Irwin, OH | PJM Interconnection, LLC (PJM) | 387.4 GWh | Dec 2023 | Feb 2026 | Solar |
| 401 South | Madison Energy Investments LLC | Dalton, MA | Southern Company Services, Inc. - Trans (SOCO) | 403.0 MWh | Nov 2023 | Dec 2024 | Solar |
| Howell (Lowes) | Madison Energy Investments LLC | Howell, NJ | PJM Interconnection, LLC (PJM) | 1.0 GWh | Feb 2023 | Dec 2024 | Solar |
| Hamilton | Madison Energy Investments LLC | Hamilton, NJ | PJM Interconnection, LLC (PJM) | 1.4 GWh | Mar 2023 | Dec 2024 | Solar |
| Farmington | Madison Energy Investments LLC | Farmington, ME | ISO New England (ISNE) | 5.5 GWh | Nov 2023 | Dec 2024 | Solar |
| Mineral Gap | Madison Energy Investments LLC | Wise, VA | Louisville Gas and Electric Company and Kentucky Utilities Company (LGEE) | 4.9 GWh | Jan 2023 | Dec 2024 | Solar |
| 1 Commercial | Madison Energy Investments LLC | Sharon, MA | ISO New England (ISNE) | 770.0 MWh | Aug 2023 | Dec 2024 | Solar |
| Lowndes Cowart | Madison Energy Investments LLC | Valdosta, GA | Southern Company Services, Inc. - Trans (SOCO) | 6.8 GWh | Sep 2023 | Dec 2024 | Solar |
| Sycamore | Madison Energy Investments LLC | Sycamore, OH | PJM Interconnection, LLC (PJM) | 1.9 GWh | Nov 2023 | Dec 2024 | Solar |
| Boyd Soccerplex | Madison Energy Investments LLC | Boyds, MD | PJM Interconnection, LLC (PJM) | 354.0 MWh | Mar 2023 | Dec 2024 | Solar |
| 700 Binnewater | Madison Energy Investments LLC | Rosendale, NY | ISO New England (ISNE) | 1.6 GWh | Aug 2022 | Dec 2024 | Solar |
| 5 Berry | Madison Energy Investments LLC | Plainsville, MA | ISO New England (ISNE) | 3.9 GWh | Aug 2023 | Dec 2024 | Solar |
| Tift Bowen | Madison Energy Investments LLC | Tifton, GA | Southern Company Services, Inc. - Trans (SOCO) | 4.6 GWh | Sep 2023 | Dec 2024 | Solar |
| Tift Fletcher | Madison Energy Investments LLC | Tifton, GA | Southern Company Services, Inc. - Trans (SOCO) | 6.6 GWh | Sep 2023 | Dec 2024 | Solar |
| Minster 3 | Madison Energy Investments LLC | Minster, OH | PJM Interconnection, LLC (PJM) | 1.7 GWh | Nov 2022 | Dec 2024 | Solar |
| Barefoot Solar | Madison Energy Investments LLC | Fairfiled, ME | ISO New England (ISNE) | 6.7 GWh | Nov 2022 | Dec 2024 | Solar |
| Hammonton-High School Solar | Madison Energy Investments LLC | Atlantic, NJ | PJM Interconnection, LLC (PJM) | 2.2 GWh | Nov 2022 | Dec 2024 | Solar |
| Tom's River (Lowes) | Madison Energy Investments LLC | Toms River, NJ | PJM Interconnection, LLC (PJM) | 1.3 GWh | Dec 2022 | Dec 2024 | Solar |
| Fairview Farms | Madison Energy Investments LLC | Bel Air, MD | PJM Interconnection, LLC (PJM) | 25.6 GWh | Nov 2024 | Feb 2026 | Solar |
| North Kern 3 | Madison Energy Investments LLC | Bakersfield, CA | California Independent System Operator (CISO) | 6.0 MWh | Nov 2023 | Dec 2024 | Solar |
| North Kern 2 | Madison Energy Investments LLC | City of Shafter, CA | California Independent System Operator (CISO) | 2.4 GWh | Jun 2024 | Dec 2024 | Solar |
| 118 Echo | Madison Energy Investments LLC | Mashpee, MA | ISO New England (ISNE) | 4.0 MWh | Jun 2023 | Dec 2024 | Solar |
| 3100 Valleyview Drive | Madison Energy Investments LLC | Columbus, OH | PJM Interconnection, LLC (PJM) | 548.0 MWh | Jul 2023 | Dec 2024 | Solar |
| North Stafford HS | Madison Energy Investments LLC | Stafford, VA | PJM Interconnection, LLC (PJM) | 412.0 MWh | Aug 2023 | Dec 2024 | Solar |
| Waterboro | Madison Energy Investments LLC | East Waterboro, ME | ISO New England (ISNE) | 3.3 GWh | Jun 2023 | Dec 2024 | Solar |
| Wheeler Ridge 2 | Madison Energy Investments LLC | Arvin, CA | California Independent System Operator (CISO) | 913.0 MWh | Oct 2023 | Dec 2024 | Solar |
| North Kern 1 | Madison Energy Investments LLC | Shafter, CA | California Independent System Operator (CISO) | 3.9 GWh | May 2023 | Dec 2024 | Solar |
| Cornillie Solar CSG | Madison Energy Holdings LLC | North Branch, MN | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Nov 2021 | Dec 2024 | Solar |
| Salvation Army Solar | Madison Energy Holdings LLC | Camden, NJ | PJM Interconnection, LLC (PJM) | 1.6 GWh | Mar 2022 | Aug 2024 | Solar |
| Johnson CSG 2 | Madison Energy Holdings LLC | Lindstrom, MN | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Feb 2023 | Dec 2024 | Solar |
Summary of Power Plants By State
Figures are based on February 2026 generation numbers.| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Alabama | # 10 | 77 | 10,522.92 GWh |
| Alaska | # 48 | 139 | 547.09 GWh |
| Arizona | # 16 | 184 | 7,875.02 GWh |
| Arkansas | # 25 | 114 | 5,134.19 GWh |
| California | # 5 | 1,677 | 13,090.02 GWh |
| Colorado | # 31 | 294 | 4,129.24 GWh |
| Connecticut | # 32 | 162 | 3,713.11 GWh |
| Delaware | # 49 | 33 | 489.00 GWh |
| District of Columbia | # 51 | 16 | 15.28 GWh |
| Florida | # 3 | 334 | 18,619.02 GWh |
| Georgia | # 8 | 248 | 10,834.93 GWh |
| Hawaii | # 47 | 70 | 669.33 GWh |
| Idaho | # 41 | 145 | 1,901.37 GWh |
| Illinois | # 4 | 380 | 14,875.53 GWh |
| Indiana | # 12 | 216 | 9,790.54 GWh |
| Iowa | # 19 | 290 | 6,378.25 GWh |
| Kansas | # 29 | 183 | 4,702.54 GWh |
| Kentucky | # 22 | 60 | 6,056.73 GWh |
| Louisiana | # 17 | 86 | 7,844.56 GWh |
| Maine | # 45 | 215 | 1,304.77 GWh |
| Maryland | # 38 | 203 | 3,022.33 GWh |
| Massachusetts | # 43 | 638 | 1,703.92 GWh |
| Michigan | # 11 | 268 | 9,944.77 GWh |
| Minnesota | # 28 | 763 | 4,707.75 GWh |
| Mississippi | # 23 | 56 | 5,592.62 GWh |
| Missouri | # 24 | 127 | 5,447.62 GWh |
| State | Rank | Active Plants | Feb 2026 Generation |
|---|---|---|---|
| Montana | # 40 | 70 | 2,424.51 GWh |
| Nebraska | # 35 | 124 | 3,248.85 GWh |
| Nevada | # 39 | 114 | 3,017.15 GWh |
| New Hampshire | # 44 | 56 | 1,533.32 GWh |
| New Jersey | # 27 | 386 | 5,076.17 GWh |
| New Mexico | # 37 | 143 | 3,060.89 GWh |
| New York | # 9 | 949 | 10,653.43 GWh |
| North Carolina | # 7 | 903 | 11,173.71 GWh |
| North Dakota | # 33 | 59 | 3,698.46 GWh |
| Ohio | # 6 | 200 | 13,061.62 GWh |
| Oklahoma | # 18 | 141 | 6,415.64 GWh |
| Oregon | # 21 | 270 | 6,135.97 GWh |
| Pennsylvania | # 2 | 251 | 20,963.61 GWh |
| Rhode Island | # 46 | 100 | 708.28 GWh |
| South Carolina | # 15 | 207 | 8,044.42 GWh |
| South Dakota | # 42 | 52 | 1,872.08 GWh |
| Tennessee | # 20 | 88 | 6,323.51 GWh |
| Texas | # 1 | 959 | 41,824.62 GWh |
| Utah | # 36 | 125 | 3,187.35 GWh |
| Vermont | # 50 | 116 | 163.02 GWh |
| Virginia | # 14 | 236 | 9,222.47 GWh |
| Washington | # 13 | 135 | 9,340.69 GWh |
| West Virginia | # 30 | 40 | 4,249.38 GWh |
| Wisconsin | # 26 | 239 | 5,119.83 GWh |
| Wyoming | # 34 | 70 | 3,369.17 GWh |