Directory of Power Plants in the United States
Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
---|---|---|---|---|---|---|---|
M L Hibbard | ALLETE, Inc. | Duluth, MN | Midcontinent Independent System Operator, Inc. (MISO) | 68.1 GWh | May 1949 | Mar 2025 | Wood/Wood Waste Solids : 93.4% Subbituminous Coal : 5.6% Natural Gas : 1.0% |
Maalaea | Maui Electric Co Ltd | Kihei, HI | 587.9 GWh | Nov 1971 | Mar 2025 | Distillate Fuel Oil | |
MacArthur Waste to Energy Facility | Covanta MacArthur Renewable Energy | Ronkonkoma, NY | New York Independent System Operator (NYIS) | 55.3 GWh | Feb 1990 | Mar 2025 | Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.7% Natural Gas : 0.6% |
Macon Solar Power Project | Missouri Jnt Muni.Pwr Elec. Ut. Comm. | Macon, MO | Southwest Power Pool (SWPP) | 4.4 GWh | May 2015 | Mar 2025 | Solar |
Macy's MD Joppa Solar Project | Northstar Macy's Maryland 2015, LLC | Joppa, MD | PJM Interconnection, LLC (PJM) | 343.0 MWh | Feb 2016 | Mar 2025 | Solar |
Maddox | Southwestern Public Service Co | Hobbs, NM | Southwest Power Pool (SWPP) | 617.1 GWh | Dec 1962 | Mar 2025 | Natural Gas |
Madison Fields Solar Project, LLC | Madison Fields Solar Project, LLC | Irwin, OH | PJM Interconnection, LLC (PJM) | 379.5 GWh | - | Mar 2025 | Solar |
Madison Solar | Dominion Energy Inc. | Locust Grove, VA | PJM Interconnection, LLC (PJM) | 44.5 GWh | - | Mar 2025 | Solar |
Madison Windpower LLC | Madison Windpower LLC | Madison, NY | New York Independent System Operator (NYIS) | 3.8 GWh | Sep 2000 | Mar 2025 | Wind |
Magic Valley Generating Station | Calpine Corp-Magic Valley | Edinburg, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.9 TWh | Jan 2002 | Mar 2025 | Natural Gas |
Magic Valley Wind Farm I LLC | RWE Renewables Americas, LLC | San Perlita, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 428.2 GWh | Aug 2012 | Mar 2025 | Wind |
Magnet Cove | Arkansas Electric Coop Corp | Malvern, AR | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 TWh | Jun 2005 | Mar 2025 | Natural Gas |
Magnolia Power Plant | Tennessee Valley Authority | Ashland, MS | Tennessee Valley Authority (TVA) | 7.2 TWh | Jul 2003 | Mar 2025 | Natural Gas |
Magnolia Solar | Tampa Electric Co | Mulberry, FL | Tampa Electric Company (TEC) | 141.0 GWh | Nov 2021 | Mar 2025 | Solar |
Magnolia Springs Solar Center | Florida Power & Light Co | Green Cove Springs, FL | Florida Power & Light Co. (FPL) | 134.3 GWh | Feb 2021 | Mar 2025 | Solar |
Magpie Solar, LLC | Adapture Renewables, Inc. | Lavina, MT | NorthWestern Corporation (NWMT) | 5.6 GWh | Aug 2017 | Mar 2025 | Solar |
Maiden Creek Solar Power Plant | Duke Energy Carolinas, LLC | Maiden, NC | Duke Energy Carolinas (DUK) | 121.7 GWh | Dec 2020 | Mar 2025 | Solar |
Major Oak Power | Major Oak Power, LLC | Bremond, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 2.3 TWh | Aug 1990 | Mar 2025 | Lignite Coal : 99.8% |
Malaga Power LLC | CalPeak Power, LLC | Fresno, CA | California Independent System Operator (CISO) | 14.1 GWh | Aug 2005 | Mar 2025 | Natural Gas |
Malburg | City of Vernon | Vernon, CA | California Independent System Operator (CISO) | 361.9 GWh | Sep 2005 | Mar 2025 | Natural Gas |
Mammoth North Solar | Mammoth North, LLC | Knox, IN | PJM Interconnection, LLC (PJM) | 202.5 GWh | - | Mar 2025 | Solar |
Mammoth Pool | Southern California Edison Co | North Fork, CA | California Independent System Operator (CISO) | 394.2 GWh | Feb 1960 | Mar 2025 | Water |
Manatee | Florida Power & Light Co | Parrish, FL | Florida Power & Light Co. (FPL) | 6.4 TWh | Sep 1976 | Mar 2025 | Natural Gas |
Manatee Solar Energy Center | Florida Power & Light Co | Parrish, FL | Florida Power & Light Co. (FPL) | 102.1 GWh | Nov 2016 | Mar 2025 | Solar |
Manchester Street | Manchester Street, LLC. | Providence, RI | ISO New England (ISNE) | 1.5 TWh | Aug 1995 | Mar 2025 | Natural Gas : 98.2% Distillate Fuel Oil : 1.8% |
Manchief Electric Generating Station | Public Service Co of Colorado | Brush, CO | Public Service Company of Colorado (PSCO) | 264.7 GWh | May 2000 | Mar 2025 | Natural Gas |
Manitowoc | Manitowoc Public Utilities | Manitowoc, WI | Midcontinent Independent System Operator, Inc. (MISO) | 149.4 GWh | May 1955 | Mar 2025 | Wood/Wood Waste Solids : 97.2% Petroleum Coke : 1.4% Bituminous Coal : 1.0% |
Mansfield Mill | IPC-Mansfield Mill | Mansfield, LA | Midcontinent Independent System Operator, Inc. (MISO) | 761.2 GWh | Sep 1981 | Mar 2025 | Natural Gas : 57.1% Black Liquor : 29.2% Wood/Wood Waste Solids : 12.0% Tire-derived Fuels : 1.8% |
Maple Flats | Invenergy Services LLC | Louisville, IL | Midcontinent Independent System Operator, Inc. (MISO) | 123.5 GWh | - | Mar 2025 | Solar |
Maple Ridge Wind Farm | Flat Rock Windpower, LLC | Lowville, NY | New York Independent System Operator (NYIS) | 697.7 GWh | Nov 2005 | Mar 2025 | Wind |
Maplewood Solar | Dominion Renewable Energy | Climax, VA | PJM Interconnection, LLC (PJM) | 196.5 GWh | Nov 2022 | Mar 2025 | Solar |
Marble River Wind Farm | Marble River, LLC | Churubusco, NY | New York Independent System Operator (NYIS) | 455.3 GWh | Oct 2012 | Mar 2025 | Wind |
Marcus Hook Energy LP | Marcus Hook Energy LP | Marcus Hook, PA | PJM Interconnection, LLC (PJM) | 6.5 TWh | Nov 2004 | Mar 2025 | Natural Gas |
Marietta | Western Farmers Elec Coop, Inc | Marietta, OK | Southwest Power Pool (SWPP) | 4.3 GWh | Mar 2017 | Mar 2025 | Solar |
Marine Corps Logistics Base Solar | Georgia Power Co | Albany, GA | Southern Company Services, Inc. - Trans (SOCO) | 53.2 GWh | Jan 2018 | Mar 2025 | Solar |
Marion | Southern Illinois Power Coop | Marion, IL | Midcontinent Independent System Operator, Inc. (MISO) | 734.7 GWh | May 1963 | Mar 2025 | Bituminous Coal : 83.9% Natural Gas : 16.0% |
Mariposa Energy Project | Diamond Generating Corporation | Byron, CA | California Independent System Operator (CISO) | 74.3 GWh | Sep 2012 | Mar 2025 | Natural Gas |
Mark One Power Station | ProEnergy Services | Angleton, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 333.3 GWh | Oct 2022 | Mar 2025 | Natural Gas |
Markum Solar Farm | Markum Solar Farm, LLC | Valley Mills, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 116.2 GWh | - | Mar 2025 | Solar |
Marsh Landing Generating Station | Marsh Landing LLC | Antioch, CA | California Independent System Operator (CISO) | 118.9 GWh | Apr 2013 | Mar 2025 | Natural Gas |
Marshall Energy Facility | Tennessee Valley Authority | Calvert City, KY | Tennessee Valley Authority (TVA) | 176.3 GWh | May 2002 | Mar 2025 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
Marshall (NC) | Duke Energy Carolinas, LLC | Terrell, NC | Duke Energy Carolinas (DUK) | 8.0 TWh | Feb 1965 | Mar 2025 | Bituminous Coal : 55.3% Natural Gas : 44.7% |
Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | Midcontinent Independent System Operator, Inc. (MISO) | 90.4 GWh | Dec 2016 | Mar 2025 | Solar |
Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 TWh | Mar 2017 | Mar 2025 | Natural Gas |
Martin | Florida Power & Light Co | Indiantown, FL | Florida Power & Light Co. (FPL) | 8.0 TWh | Nov 1980 | Mar 2025 | Natural Gas |
Martin County Solar Project, LLC | Martin County Solar Project, LLC | Pilgrim, KY | PJM Interconnection, LLC (PJM) | 48.5 GWh | - | Mar 2025 | Solar |
Martin Lake | Luminant Generation Company LLC | Tatum, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 9.0 TWh | Apr 1977 | Mar 2025 | Subbituminous Coal : 99.7% |
Martin Solar Center | Arevon Energy, Inc. | Kents Store, VA | PJM Interconnection, LLC (PJM) | 9.4 GWh | Nov 2017 | Mar 2025 | Solar |
Martinez Refining | Martinez Refining Co | Martinez, CA | California Independent System Operator (CISO) | 787.9 GWh | Oct 1995 | Mar 2025 | Natural Gas : 96.0% Other Gas : 4.0% |
Maryland Solar | Arevon Energy, Inc. | Hagerstown, MD | PJM Interconnection, LLC (PJM) | 30.0 GWh | Aug 2013 | Mar 2025 | Solar |
Maryneal Windpower | Duke Energy Renewables Services | Maryneal, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 569.6 GWh | Jun 2021 | Mar 2025 | Wind |
MAS ASB Cogen Plant | Cube District Energy, LLC | Atlanta, GA | Southern Company Services, Inc. - Trans (SOCO) | 37.8 GWh | Feb 2012 | Mar 2025 | Natural Gas : 95.3% Landfill Gas : 4.7% |
Matrix Pleasant Valley | Pleasant Valley Solar, LLC | Boise, ID | Idaho Power Company (IPCO) | 36.8 GWh | - | Mar 2025 | Solar |
Maverick Creek Wind | Algonquin Power Co | Eden, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.4 TWh | Feb 2022 | Mar 2025 | Wind |
Maverick Solar 4, LLC | Maverick Solar 4, LLC | Desert Center, CA | California Independent System Operator (CISO) | 240.9 GWh | Nov 2020 | Mar 2025 | Solar |
Maverick Solar 6, LLC | Maverick Solar 6, LLC | Desert Center, CA | California Independent System Operator (CISO) | 238.7 GWh | Oct 2021 | Mar 2025 | Solar |
Maverick Solar 7, LLC | Maverick Solar 7, LLC | Desert Center, CA | California Independent System Operator (CISO) | 302.4 GWh | Nov 2021 | Mar 2025 | Solar |
Maverick Solar, LLC | Maverick Solar, LLC | Desert Center, CA | California Independent System Operator (CISO) | 375.5 GWh | Nov 2020 | Mar 2025 | Solar |
Maverick Wind Project, LLC | Public Service Co of Oklahoma | Meno, OK | Southwest Power Pool (SWPP) | 928.9 GWh | Aug 2021 | Mar 2025 | Wind |
Mayo | Duke Energy Progress - (NC) | Roxboro, NC | Duke Energy Progress East (CPLE) | 1.0 TWh | Feb 1983 | Mar 2025 | Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1% |
McClain Energy Facility | Oklahoma Gas & Electric Co | Newcastle, OK | Southwest Power Pool (SWPP) | 1.5 TWh | May 2001 | Mar 2025 | Natural Gas |
McFarland A Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 488.6 GWh | Nov 2023 | Mar 2025 | Solar |
McFarland B Solar and Storage | AES Clean Energy | Dateland, AZ | California Independent System Operator (CISO) | 62.6 GWh | - | Mar 2025 | Solar |
McGinness Hills 3 | Ormat Nevada Inc | Austin, NV | Nevada Power Company (NEVP) | 447.7 GWh | Nov 2018 | Mar 2025 | Geothermal |
McGuire | Duke Energy Carolinas, LLC | Huntersville, NC | Duke Energy Carolinas (DUK) | 19.9 TWh | Aug 1981 | Mar 2025 | Nuclear |
McIntosh | Georgia Power Co | Rincon, GA | Southern Company Services, Inc. - Trans (SOCO) | 38.7 GWh | Jan 1979 | Mar 2025 | Natural Gas : 65.8% Distillate Fuel Oil : 34.2% |
McIntosh Combined Cycle Facility | Georgia Power Co | Rincon, GA | Southern Company Services, Inc. - Trans (SOCO) | 7.8 TWh | May 2005 | Mar 2025 | Natural Gas |
McKay Bay Facility | City of Tampa | Tampa, FL | Tampa Electric Company (TEC) | 86.5 GWh | May 1985 | Mar 2025 | Non-biogenic Municipal Solid Waste : 55.0% Biogenic Municipal Solid Waste : 45.0% |
McKinley Wind Park | DTE Electric Company | Pigeon, MI | Midcontinent Independent System Operator, Inc. (MISO) | 53.1 GWh | Nov 2012 | Mar 2025 | Wind |
McKittrick Limited | WCAC Operating Company | Bakersfield, CA | California Independent System Operator (CISO) | 10.4 GWh | Sep 1991 | Mar 2025 | Natural Gas |
McWilliams | PowerSouth Energy Cooperative | Gantt, AL | Southern Company Services, Inc. - Trans (SOCO) | 3.2 TWh | Nov 1954 | Mar 2025 | Natural Gas |
Mead Coated Board | Mead Coated Board Inc | Mahrt, AL | Southern Company Services, Inc. - Trans (SOCO) | 733.8 GWh | Oct 1966 | Mar 2025 | Black Liquor : 39.0% Wood/Wood Waste Solids : 35.1% Natural Gas : 25.9% |
Meadow Lake Wind Farm V LLC | Meadow Lake Wind Farm V LLC | Chalmers, IN | PJM Interconnection, LLC (PJM) | 343.2 GWh | Jun 2017 | Mar 2025 | Wind |
Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | Midcontinent Independent System Operator, Inc. (MISO) | 681.7 GWh | Oct 2018 | Mar 2025 | Wind |
Mechanicsville Solar | Mechanicsville Solar, LLC | Mechanicsville, VA | PJM Interconnection, LLC (PJM) | 52.9 GWh | Aug 2020 | Mar 2025 | Solar |
Medford DPC Solar | SoCore Energy LLC | Medford, WI | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Jan 2017 | Mar 2025 | Solar |
Meherrin Solar | Dominion Renewable Energy | Skippers, VA | PJM Interconnection, LLC (PJM) | 116.8 GWh | Aug 2022 | Mar 2025 | Solar |
Menominee Mill Marinette | Eagle Creek Renewable Energy, LLC | Menominee, MI | Midcontinent Independent System Operator, Inc. (MISO) | 12.4 GWh | Dec 1923 | Mar 2025 | Water |
Merck Rahway Power Plant | Merck & Co Inc | Rahway, NJ | PJM Interconnection, LLC (PJM) | 31.4 GWh | Dec 1976 | Mar 2025 | Natural Gas : 99.5% |
Meridian II | SR Meridian II, LLC | Meridian, MS | Tennessee Valley Authority (TVA) | 7.7 GWh | Sep 2019 | Mar 2025 | Solar |
Meridian III | SR Meridian III, LLC | Meridian, MS | Southern Company Services, Inc. - Trans (SOCO) | 120.0 GWh | Nov 2019 | Mar 2025 | Solar |
Meridian Wind Park | DTE Electric Company | Merrill, MI | Midcontinent Independent System Operator, Inc. (MISO) | 506.4 GWh | Mar 2023 | Mar 2025 | Wind |
Merom | Hallador Power Company, LLC | Sullivan, IN | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 TWh | Jan 1982 | Mar 2025 | Bituminous Coal : 99.8% |
Merricourt Wind Energy Center | Otter Tail Power Co | Kulm, ND | Midcontinent Independent System Operator, Inc. (MISO) | 645.3 GWh | Nov 2020 | Mar 2025 | Wind |
Merrimack | Granite Shore Power | Bow, NH | ISO New England (ISNE) | 316.7 GWh | Nov 1960 | Mar 2025 | Bituminous Coal : 99.6% |
Mesa Wind Repower | Mesa Wind Repower | Whitewater, CA | California Independent System Operator (CISO) | 83.0 GWh | - | Mar 2025 | Wind |
Mesquite Creek Wind | Duke Energy Renewables Services | Lamesa, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 473.2 GWh | Mar 2015 | Mar 2025 | Wind |
Mesquite Generating Station Block 1 | Salt River Project | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 3.5 TWh | May 2003 | Mar 2025 | Natural Gas |
Mesquite Generating Station Block 2 | Mesquite Power LLC | Arlington, AZ | Salt River Project Agricultural Improvement and Power District (SRP) | 4.1 TWh | Nov 2003 | Mar 2025 | Natural Gas |
Mesquite Solar 2, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 293.4 GWh | Nov 2016 | Mar 2025 | Solar |
Mesquite Solar 3, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 459.1 GWh | Nov 2016 | Mar 2025 | Solar |
Mesquite Solar 4, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | California Independent System Operator (CISO) | 151.1 GWh | - | Mar 2025 | Solar : 99.9% |
Mesquite Solar 5, LLC | Consolidated Edison Development Inc. | Tonopah, AZ | Arizona Public Service Company (AZPS) | 120.9 GWh | Jun 2023 | Mar 2025 | Solar |
Mesquite Star | Mesquite Star LLC | Roscoe, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 1.2 TWh | Feb 2020 | Mar 2025 | Wind |
Mesquite Wind Power LLC | Mesquite Wind LLC | Abilene, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 355.3 GWh | Oct 2007 | Mar 2025 | Wind |
Mesteno | Duke Energy Renewables Services | Rio Grande City, TX | Electric Reliability Council of Texas, Inc. (ERCO) | 513.9 GWh | Nov 2019 | Mar 2025 | Wind |
Metcalf Energy Center | Calpine Corp - Metcalf Energy Center | San Jose, CA | California Independent System Operator (CISO) | 2.4 TWh | May 2005 | Mar 2025 | Natural Gas |
Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 77.7 GWh | Dec 1997 | Mar 2025 | Landfill Gas |
Metro Wastewater Reclamation District | Colorado Energy Nations Company, LLC | Denver, CO | Public Service Company of Colorado (PSCO) | 37.3 GWh | Mar 1985 | Mar 2025 | Other Biomass Gas |
Meyersdale Windpower, LLC | Sequitur Renewables, LLC | Meyersdale, PA | PJM Interconnection, LLC (PJM) | 35.8 GWh | Nov 2003 | Mar 2025 | Wind |
Summary of Power Plants By State
Figures are based on March 2025 generation numbers.State | Rank | Active Plants | Mar 2025 Generation |
---|---|---|---|
Alabama | # 7 | 75 | 10,399.45 GWh |
Alaska | # 48 | 137 | 460.30 GWh |
Arizona | # 16 | 167 | 7,756.35 GWh |
Arkansas | # 29 | 79 | 4,503.48 GWh |
California | # 5 | 1,565 | 15,306.94 GWh |
Colorado | # 30 | 257 | 4,337.74 GWh |
Connecticut | # 31 | 152 | 3,831.37 GWh |
Delaware | # 50 | 30 | 183.34 GWh |
District of Columbia | # 51 | 12 | 15.27 GWh |
Florida | # 3 | 305 | 18,686.61 GWh |
Georgia | # 9 | 239 | 9,979.52 GWh |
Hawaii | # 46 | 67 | 749.10 GWh |
Idaho | # 43 | 126 | 1,488.21 GWh |
Illinois | # 4 | 332 | 15,592.21 GWh |
Indiana | # 12 | 201 | 8,849.97 GWh |
Iowa | # 20 | 279 | 6,323.45 GWh |
Kansas | # 25 | 157 | 5,176.23 GWh |
Kentucky | # 24 | 56 | 5,180.56 GWh |
Louisiana | # 18 | 81 | 6,708.43 GWh |
Maine | # 45 | 157 | 1,313.29 GWh |
Maryland | # 39 | 179 | 2,427.73 GWh |
Massachusetts | # 42 | 597 | 1,608.56 GWh |
Michigan | # 10 | 263 | 9,898.87 GWh |
Minnesota | # 26 | 736 | 5,082.27 GWh |
Mississippi | # 19 | 53 | 6,374.07 GWh |
Missouri | # 21 | 116 | 5,776.95 GWh |
State | Rank | Active Plants | Mar 2025 Generation |
---|---|---|---|
Montana | # 40 | 67 | 2,309.70 GWh |
Nebraska | # 37 | 117 | 3,008.88 GWh |
Nevada | # 34 | 109 | 3,381.98 GWh |
New Hampshire | # 44 | 56 | 1,374.49 GWh |
New Jersey | # 28 | 371 | 4,514.07 GWh |
New Mexico | # 35 | 138 | 3,378.20 GWh |
New York | # 8 | 818 | 10,278.94 GWh |
North Carolina | # 11 | 877 | 9,080.20 GWh |
North Dakota | # 33 | 57 | 3,690.67 GWh |
Ohio | # 6 | 190 | 11,252.37 GWh |
Oklahoma | # 17 | 129 | 6,972.70 GWh |
Oregon | # 22 | 254 | 5,543.74 GWh |
Pennsylvania | # 2 | 237 | 19,658.43 GWh |
Rhode Island | # 47 | 94 | 622.24 GWh |
South Carolina | # 14 | 194 | 8,606.12 GWh |
South Dakota | # 41 | 52 | 1,945.10 GWh |
Tennessee | # 23 | 85 | 5,241.09 GWh |
Texas | # 1 | 818 | 43,194.33 GWh |
Utah | # 36 | 114 | 3,056.84 GWh |
Vermont | # 49 | 112 | 230.44 GWh |
Virginia | # 15 | 214 | 8,465.83 GWh |
Washington | # 13 | 127 | 8,662.62 GWh |
West Virginia | # 38 | 36 | 2,977.95 GWh |
Wisconsin | # 27 | 222 | 4,571.79 GWh |
Wyoming | # 32 | 69 | 3,817.24 GWh |