Directory of Electric Companies in the United States
| Company Name | Company Location | Utility Type | Power Plants | EIA Annual Generation | EIA Latest Generation | FERC Lastest Date | FERC 2025Q2 Seller Transactions | FERC 2025Q2 Buyer Transactions |
|---|---|---|---|---|---|---|---|---|
| Amherst College | Amherst, MA | Commercial | 1 | 7.4 GWh | Dec 2024 | - | ||
| Amethyst Solar LLC | Menlo Park, CA | Independent Power Producer | 1 | 5.8 GWh | Dec 2024 | - | ||
| American Sugar Refining Inc. | West Palm Beach, FL | |Independent Power Producer | 3 | 58.5 GWh | Feb 2026 | - | ||
| American Powernet Management, LP | Wyomissing, PA | - | - | - | Oct 2025 | $12.77M | $7.82M | |
| American Municipal Power, Inc. | Columbus, OH | - | - | - | Oct 2025 | $229.50M | $50.04M | |
| American Mun Power-Ohio, Inc | Columbus, OH | Municipally-Owned Utility | 48 | 5.6 TWh | Feb 2026 | - | ||
| American Kings Solar, LLC | Boca Raton, FL | - | - | - | Sep 2025 | $3.89M | ||
| American Falls Solar LLC | Boston, MA | Independent Power Producer | 1 | 45.9 GWh | Feb 2026 | Oct 2025 | $890.10k | |
| American Falls Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 46.8 GWh | Feb 2026 | Oct 2025 | $870.17k | |
| American Electric Power Service Corporation | Columbus, OH | - | - | - | Oct 2025 | $941.77M | $-32.66M | |
| American Crystal Sugar Co | Moorhead, MN | Industrial | 5 | 278.2 GWh | Dec 2024 | - | ||
| American Bituminous Power LP | Grant Town, WV | Independent Power Producer | 1 | 669.8 GWh | Dec 2024 | - | ||
| Ameresco Vasco Road LLC | Independent Power Producer | 1 | 35.2 GWh | Dec 2024 | - | |||
| Ameresco Stafford LLC | Framingham, MA | Independent Power Producer | 1 | 1.8 GWh | Dec 2024 | May 2019 | ||
| Ameresco Select Inc | Windsor Locks, CT | State-Owned Utility | 2 | 12.9 GWh | Dec 2024 | - | ||
| Ameresco Santa CRUZ Energy LLC | Framingham, MA | Independent Power Producer | 1 | 18.2 GWh | Dec 2024 | - | ||
| Ameresco San Joaquin LLC | Independent Power Producer | 2 | 33.6 GWh | Dec 2024 | - | |||
| Ameresco Ox Mountain Energy LLC | Framingham, MA | Independent Power Producer | 1 | 88.0 GWh | Feb 2026 | - | ||
| Ameresco Keller Canyon LLC | Framingham, MA | Independent Power Producer | 1 | 21.8 GWh | Dec 2024 | - | ||
| Ameresco Johnson Canyon LLC | Framingham, MA | Independent Power Producer | 1 | 9.6 GWh | Dec 2024 | - | ||
| Ameresco Jefferson City LLC | Framingham, MA | Independent Power Producer | 1 | 21.9 GWh | Dec 2024 | - | ||
| Ameresco Janesville LLC | Framingham, MA | Independent Power Producer | 1 | 9.9 GWh | Dec 2024 | - | ||
| Ameresco HCE Solar LLC | Framingham, MA | Independent Power Producer | 1 | 9.0 GWh | Dec 2024 | - | ||
| Ameresco Glendale Road Solar PV LLC | Framingham, MA | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Ameresco Forward LLC | Independent Power Producer | 1 | 34.8 GWh | Dec 2024 | - | |||
| Ameresco Federal Solutions | Knoxville, TN | Commercial | 5 | 56.5 GWh | Jan 2025 | - | ||
| Ameresco Delaware South | Framingham, MA | Independent Power Producer | 1 | 6.0 GWh | Dec 2024 | - | ||
| Ameresco Delaware Central | Framingham, MA | Independent Power Producer | 1 | 25.4 GWh | Dec 2024 | - | ||
| Ameresco Dallas LLC | Framingham, MA | Independent Power Producer | 1 | 30.2 GWh | Dec 2024 | - | ||
| Ameresco Chiquita Canyon LLC | Framingham, MA | Independent Power Producer | 1 | 5.1 GWh | Dec 2024 | - | ||
| Ameresco Chicopee Energy LLC | Framingham, MA | Independent Power Producer | 1 | 10.7 GWh | Dec 2024 | - | ||
| Ameresco BWC Wading River LLC | Framingham, MA | Independent Power Producer | 1 | 5.3 GWh | Dec 2024 | - | ||
| Ameresco Butte County LLC | Independent Power Producer | 1 | 18.3 GWh | Dec 2024 | - | |||
| Ameresco | Knoxville, TN | Federally-Owned Utility|Independent Power Producer | 5 | 110.0 GWh | Feb 2026 | - | ||
| Ameren Illinois | Collinsville, IL | Investor-Owned Utility | 1 | 323.0 MWh | Dec 2024 | Oct 2025 | $12.47M | $47.56M |
| Amazon Energy LLC | Seattle, WA | - | - | - | Oct 2025 | $116.08M | $144.61M | |
| Amana Society Service Co | Amana, IA | Investor-Owned Utility | 1 | 1.1 GWh | Dec 2024 | - | ||
| Amadeus Wind LLC | Independent Power Producer | 1 | 781.6 GWh | Feb 2026 | - | |||
| Am Wind Repower LLC | Gatineau, QC | - | - | - | Sep 2025 | $1.56M | ||
| Altus Power America Management, LLC | Stamford, CT | Independent Power Producer | 179 | 861.9 GWh | Feb 2026 | - | ||
| Altorfer Inc. | Bartonville, IL | Industrial | 1 | 3.1 GWh | Dec 2024 | - | ||
| Altop Energy Trading LLC | Houston, TX | - | - | - | Oct 2025 | $48.88M | $14.88M | |
| Altona Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.03M | ||
| Alton Post Office Solar, LLC | Houston, TX | - | - | - | Sep 2025 | $2.00M | ||
| Altavista Solar, LLC | Windsor Locks, CT | Independent Power Producer | 1 | 167.7 GWh | Feb 2026 | Sep 2025 | $2.14M | |
| Altamonte Mall | Altamonte Springs, FL | Commercial | 1 | 1.4 GWh | Dec 2024 | - | ||
| Altamont Winds, LLC | Minneapolis, MN | Independent Power Producer | - | - | - | Sep 2025 | $3.12M | |
| Altagas Ripon Energy Inc. | Ripon, CA | Independent Power Producer | 1 | 1.0 GWh | Feb 2026 | Oct 2025 | $5.08k | |
| Altagas Brush Energy Inc. | Ogdensburg, NY | - | - | - | Sep 2025 | $1.32M | ||
| Altagas Blythe Operations Inc | Port Huron, MI | Independent Power Producer | 1 | 315.2 GWh | Jan 2026 | - | ||
| ALTA Wind XI, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 284.8 GWh | Dec 2024 | Sep 2025 | $9.26M | |
| ALTA Wind X, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 390.7 GWh | Dec 2024 | Sep 2025 | $13.54M | |
| ALTA Wind VIII, LLC | Juno Beach, FL | - | - | - | Sep 2025 | $9.76M | ||
| ALTA Wind V, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 298.5 GWh | Dec 2024 | Sep 2025 | $11.18M | |
| ALTA Wind IV, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 199.5 GWh | Dec 2024 | Sep 2025 | $7.32M | |
| ALTA Wind III, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 375.4 GWh | Dec 2024 | Sep 2025 | $13.71M | |
| ALTA Wind II, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 377.3 GWh | Dec 2024 | Sep 2025 | $13.55M | |
| ALTA Wind I, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 453.8 GWh | Dec 2024 | Sep 2025 | $16.96M | |
| ALTA Oak Realty, LLC | New York, NY | - | - | - | Oct 2025 | $475.37k | ||
| ALTA Farms Wind Project II, LLC | Andover, MA | - | - | - | Oct 2025 | $2.77M | ||
| ALTA Farms II Wind Project, LLC | Andover, MA | Independent Power Producer | 1 | 597.7 GWh | Feb 2026 | - | ||
| Alsoenergy | Boulder, CA | Commercial | 1 | 935.1 MWh | Dec 2024 | - | ||
| Alpine Bess LLC | Scottsdale, AZ | Independent Power Producer | 1 | 131.8 GWh | Dec 2024 | - | ||
| Alphastruxure Service Co LP | Somerville, MA | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Alpha Value Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 9.4 GWh | Dec 2024 | - | ||
| Alpha Gas And Electric LLC | Birmingham, AL | - | - | - | Oct 2025 | $38.75k | ||
| Alpaugh North, LLC | Valhalla, NY | - | - | - | Aug 2025 | $1.93M | ||
| Alpaugh 50, LLC | Valhalla, NY | - | - | - | Aug 2025 | $5.24M | ||
| Alpaca Energy LLC | Omaha, NE | Independent Power Producer | 1 | 36.5 GWh | Dec 2024 | Oct 2025 | $1.12M | |
| Allora Solar, LLC | Asheville, NC | Independent Power Producer | 1 | 162.8 GWh | Feb 2026 | Sep 2025 | $1.40M | |
| Allie L.L.C. | Schenectady, NY | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| Alliance NYGT, LLC | Sherrill, NY | Independent Power Producer | 2 | 918.5 MWh | Dec 2024 | Oct 2025 | $1.85M | |
| Alliance HP VIrginia Drive LLC | BRYN MAWR, PA | Independent Power Producer | 1 | 1.3 GWh | Dec 2024 | - | ||
| Allete, Inc. | Duluth, MN | Investor-Owned Utility | 24 | 7.2 TWh | Feb 2026 | Oct 2025 | $137.16M | $4.23M |
| Allete Clean Energy | Duluth, MN | Independent Power Producer | 14 | 3.1 TWh | Feb 2026 | - | ||
| Allendale Biomass LLC | Fairfax, SC | Independent Power Producer | 1 | 151.8 GWh | Dec 2024 | - | ||
| Allegheny Ridge Wind Farm, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.81M | ||
| Allegheny Energy Supply Co LLC | Greensburg, PA | Investor-Owned Utility | 6 | - | Jan 2026 | Oct 2025 | $3.49M | $5.89M |
| Allegheny Electric Coop Inc | Harrisburg, PA | Cooperative | 1 | 84.5 GWh | Feb 2026 | Sep 2025 | $25.12M | |
| Allegany Generating Station, LLC | Portageville, NY | Independent Power Producer | 1 | 15.9 GWh | Dec 2024 | Sep 2025 | $1.15M | |
| All World Machinery Supply, Inc. | Roscoe, IL | Industrial | 1 | 2.2 GWh | Dec 2024 | - | ||
| All Dams Generation, LLC | Bethesda, MD | Independent Power Producer | - | - | Dec 2020 | Oct 2025 | $927.64k | |
| All Choice Energy Midamerica LLC | Birmingham, AL | - | - | - | Oct 2025 | $18.61k | $168.00k | |
| All American Power And Gas, LLC | Birmingham, AL | - | - | - | Oct 2025 | $6.82k | ||
| Algonquin Power Windsor Locks LLC | Hartford, CT | - | - | - | Sep 2025 | $1.16M | ||
| Algonquin Power Sanger LLC | Oakville, ON | Independent Power Producer | 10 | 4.3 TWh | Feb 2026 | Jan 2025 | ||
| Algonquin Hydro Holdings Corp. | Oakville, ON | - | - | - | Jun 2025 | $15.00k | ||
| Alexander Wind Farm, LLC | Wall, NJ | - | - | - | Sep 2025 | $215.95k | ||
| Alden Road Harvard Solar 1, LLC | Boston, MA | Independent Power Producer | 1 | 4.1 GWh | Dec 2024 | - | ||
| Alcoa Power Generating Inc Yadkin DIV | Badin, NC | Industrial | - | - | Dec 2020 | Oct 2025 | $8.00M | |
| Albuquerque City Of | Albuquerque, NM | Political Subdivision | 1 | 20.9 GWh | Feb 2026 | - | ||
| Albertsons Companies, Inc. | Pleasanton, CA | - | - | - | Oct 2025 | $15.22M | $28.69M | |
| Albertson Solar LLC | Jersey City, NJ | Independent Power Producer | 1 | 11.0 GWh | Dec 2024 | - | ||
| Albertaex, L.P. | Calgary, AB | - | - | - | Sep 2025 | $541.06k | $87.90k | |
| Albemarle Beach Solar, LLC | Mooresville, NC | Independent Power Producer | 1 | 236.2 GWh | Feb 2026 | Oct 2025 | $3.98M | |
| Albany Medical Center | Albany, NY | Commercial | 1 | 31.4 GWh | Dec 2024 | - | ||
| Albany Green Energy, LLC | Kennett Square, PA | Independent Power Producer | 1 | 136.4 GWh | Feb 2026 | Sep 2025 | $10.96M | |
| Albany Engineering Corporation | Albany, NY | Independent Power Producer | 3 | 68.2 GWh | Dec 2024 | - | ||
| Alaska VIllage ELEC Coop, Inc | Anchorage, AK | Cooperative | 68 | 130.2 GWh | Dec 2024 | - | ||
| Alaska Power And Telephone Co | Ketchikan, AK | Investor-Owned Utility | 28 | 80.4 GWh | Dec 2024 | - |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 15 TWh | Nov 1974 | Feb 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Feb 2026 | Natural Gas : 95.8% Bituminous Coal : 4.2% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Feb 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Feb 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Feb 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Feb 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Feb 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Feb 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Feb 2026 | Nuclear |
| Catawba | York, South Carolina | 20 TWh | May 1985 | Feb 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Feb 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Feb 2026 | Natural Gas : 71.2% Bituminous Coal : 28.6% |
| Diablo Canyon | Avila Beach, California | 17 TWh | Apr 1985 | Feb 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 17 TWh | Jul 1975 | Feb 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Feb 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Feb 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | Feb 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Feb 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Feb 2026 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Feb 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | Feb 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Feb 2026 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Feb 2026 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Feb 2026 | Subbituminous Coal |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Feb 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Feb 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Feb 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Feb 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Feb 2026 | Subbituminous Coal : 74.7% Bituminous Coal : 16.2% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Feb 2026 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Feb 2026 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Feb 2026 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Feb 2026 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Feb 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Feb 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Feb 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Feb 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Feb 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Feb 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 15 TWh | Jun 1981 | Feb 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Feb 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Feb 2026 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Feb 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Feb 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Feb 2026 | Nuclear : 67.9% Natural Gas : 32.1% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Feb 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Feb 2026 | Subbituminous Coal : 83.0% Natural Gas : 17.0% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 18 TWh | Apr 1996 | Feb 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Feb 2026 | Natural Gas : 99.9% |