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 |
|---|---|---|---|---|---|---|---|---|
| Illinois Power Generating Co | Collinsville, IL | Independent Power Producer | 2 | 3.7 TWh | May 2026 | Jan 2024 | ||
| Illinois Power Marketing Company, LLC | Irving, TX | - | - | - | Oct 2025 | $49.99M | ||
| Illinois PV Fulton 1, LLC | Safety Harbor, FL | Independent Power Producer | 1 | 2.7 GWh | Nov 2025 | - | ||
| Illinois Winds LLC | Glenns Ferry, ID | Independent Power Producer | - | - | - | Sep 2025 | $1.82M | |
| ILR Landfill | Edison, NJ | Investor-Owned Utility | 1 | 9.5 GWh | Dec 2025 | - | ||
| Imeson Solar Farm LLC | Irvine, CA | Independent Power Producer | 1 | 12.4 GWh | Dec 2025 | - | ||
| IMG Energy Solutions | Pittsburgh, PA | Independent Power Producer | 2 | 132.7 GWh | Dec 2025 | - | ||
| Imperial Irrigation District | Imperial, CA | Political Subdivision | 16 | 1.4 TWh | May 2026 | Oct 2025 | $41.21M | |
| Imperial Valley Solar 2, LLC | New York, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $8.48M | |
| Imperial Valley Solar 3, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 712.7 GWh | May 2026 | Sep 2025 | $13.55M | |
| Imperial Valley Solar Company (IVSC) 2, LLC | New York, NY | - | - | - | Sep 2025 | $1.23M | ||
| Imperial Valley Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 465.1 GWh | Dec 2025 | - | ||
| In Commodities US LLC | Wilmington, DE | - | - | - | Oct 2025 | $10.25M | ||
| Indeck-Corinth Ltd Partnership | Buffalo Grove, IL | Independent Power Producer | 1 | 610.8 GWh | Dec 2025 | Oct 2025 | $5.58M | $465.60k |
| Indeck-Energy SERV Silver SPG | Buffalo Grove, IL | Independent Power Producer | 1 | 112.5 GWh | Dec 2025 | - | ||
| Indeck Energy Services Of Silver Springs, Inc. | Silver Springs, NY | - | - | - | Sep 2025 | $1.44M | ||
| Indeck Niles, LLC | Buffalo Grove, IL | Independent Power Producer | 1 | 7.0 TWh | May 2026 | Oct 2025 | $36.15M | |
| Indeck-Olean Ltd Partnership | Buffalo Grove, IL | Independent Power Producer | 1 | 53.5 GWh | Nov 2025 | Sep 2025 | $1.83M | |
| Indeck-Oswego Ltd Partnership | Buffalo Grove, IL | Independent Power Producer | 1 | 134.9 GWh | Dec 2025 | Sep 2025 | $1.21M | |
| Indeck-Yerkes Ltd Partnership | Buffalo Grove, IL | Independent Power Producer | 1 | 69.6 GWh | Dec 2025 | Sep 2025 | $927.83k | |
| Independence Energy Group LLC | Princeton, NJ | - | - | - | Oct 2025 | $17.77k | ||
| Independence Wind Energy LLC | De SOTO, IA | Independent Power Producer | 1 | 220.2 GWh | May 2026 | Sep 2025 | $1.22M | |
| Indian Creek Solar Farm LLC | Washington, DC | - | - | - | Sep 2025 | $624.70k | ||
| Indian River Operations Inc | Millsboro, DE | Independent Power Producer | 1 | 2.5 GWh | May 2026 | - | ||
| Indian River Power LLC | Princeton, NJ | - | - | - | Oct 2025 | $801.52k | ||
| Indiana Crossroads Wind Farm II LLC | Houston, TX | Independent Power Producer | 1 | 614.7 GWh | May 2026 | Sep 2025 | $4.32M | |
| Indiana Crossroads Wind Farms LLC | Chalmers, IN | Independent Power Producer | 1 | 977.8 GWh | May 2026 | Sep 2025 | $6.75M | |
| Indiana-Kentucky Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 6.3 TWh | May 2026 | Oct 2025 | $113.71M | |
| Indiana Michigan Power Co | Fort Wayne, IN | Investor-Owned Utility | 15 | 29.6 TWh | May 2026 | Oct 2025 | $93.40M | |
| Indiana Municipal Power Agency | Carmel, IN | Political Subdivision | 48 | 577.0 GWh | Dec 2025 | Oct 2025 | $39.23M | $26.59M |
| Indiana University Of PENN | Indiana, PA | State-Owned Utility | 1 | 20.1 GWh | May 2026 | - | ||
| Indianapolis Power & Light Company | Indianapolis, IN | - | - | - | Oct 2025 | $157.94M | $6.91M | |
| Indigo Generation LLC | LOS Angeles, CA | - | - | - | Oct 2025 | $2.67M | ||
| Indorama Ventures | Port Neches, TX | Industrial | 1 | 613.9 GWh | Dec 2025 | - | ||
| Industrial Assets, Inc. | Studio City, CA | - | - | - | Oct 2025 | $1.02M | ||
| Industrial Energy Applications Inc | Independent Power Producer | 19 | 500.5 MWh | May 2026 | - | |||
| Industrial Power Generating Company LLC | Richmond, VA | Independent Power Producer | 12 | 225.1 GWh | Dec 2025 | - | ||
| Industrial Power Services Corp | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | |||
| Ineos USA LLC | Alvin, TX | Industrial | 1 | 968.1 GWh | Dec 2025 | - | ||
| Inertia Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.4 TWh | May 2026 | - | ||
| Ingenco Renewable Development, LLC | Richmond, VA | Independent Power Producer | 3 | 12.7 GWh | Dec 2025 | - | ||
| Ingleside Cogeneration LP | Houston, TX | Industrial | 1 | 3.3 TWh | May 2026 | - | ||
| Ingredion Inc - Illinois | Winston-Salem, NC | Industrial | 3 | 276.2 GWh | Dec 2025 | - | ||
| Inland Paperboard - Rome Mill | Rome, GA | Industrial | 1 | 438.3 GWh | Dec 2025 | - | ||
| Innovative Energy Systems Inc | Oakfield, NY | Independent Power Producer | 5 | 214.6 GWh | Dec 2025 | Oct 2025 | $142.64k | |
| Innovative Owner 43, LLC | Durham, NC | - | - | - | Sep 2025 | $885.61k | ||
| Innovative Solar 31, LLC | Fletcher, NC | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $1.10M | |
| Innovative Solar 37, LLC | Fletcher, NC | Independent Power Producer | - | - | - | Oct 2025 | $2.25M | |
| Innovative Solar 42, LLC | Walnut Creek, CA | Independent Power Producer | - | 131.6 GWh | Dec 2024 | Oct 2025 | $1.89M | |
| Innovative Solar 43, LLC | Asheville, NC | Commercial | - | - | Dec 2017 | Sep 2025 | $1.13M | $885.61k |
| Innovative Solar 46, LLC | Fletcher, NC | Independent Power Producer | - | - | - | Sep 2025 | $2.95M | |
| Innovative Solar 47, LLC | Fletcher, NC | Independent Power Producer | - | - | Dec 2020 | Sep 2025 | $974.52k | |
| Innovative Solar 54, LLC | Fletcher, NC | Independent Power Producer | - | - | - | Sep 2025 | $1.49M | |
| Innovative Solar 67, LLC | Fletcher, NC | Independent Power Producer | - | - | - | Sep 2025 | $1.03M | |
| Inovateus Solar, LLC | South Bend, IN | Independent Power Producer | - | 8.7 GWh | Dec 2024 | - | ||
| Inside Passage ELEC Coop, Inc | AUKE Bay, AK | Cooperative | 5 | 8.9 GWh | Dec 2025 | - | ||
| Integrys Ma Solar, LLC | Depere, WI | Independent Power Producer | 3 | 11.2 GWh | Dec 2025 | - | ||
| Inter-Power/Ahlcon Partners, L.P. | Colver, PA | Independent Power Producer | 1 | 787.5 GWh | Dec 2025 | Oct 2025 | $6.90M | |
| Interchange Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 3.6 GWh | Dec 2025 | - | ||
| International Bound & WTR COMM | El Paso, TX | Federally-Owned Utility | 2 | 50.7 GWh | Dec 2025 | - | ||
| International Paper Co | Port Wentworth, GA | |Industrial | 21 | 5.0 TWh | May 2026 | Sep 2025 | $296.30k | |
| Intersect USA, LLC | San Francisco, CA | Independent Power Producer | 19 | 4.0 TWh | May 2026 | - | ||
| Interstate Gas Supply, LLC | Dublin, OH | - | - | - | Oct 2025 | $122.06M | $122.77M | |
| Interstate Paper LLC | Riceboro, GA | Industrial | 1 | 32.1 GWh | Sep 2025 | - | ||
| Interstate Power Co | Cedar Rapids, IA | |Investor-Owned Utility | 42 | 15.0 TWh | May 2026 | Oct 2025 | $114.99M | $13.68M |
| Invenergy Cannon Falls LLC | Chicago, IL | - | - | - | Sep 2025 | $8.51M | ||
| Invenergy Nelson LLC | Chicago, IL | - | - | - | Oct 2025 | $37.00M | $69.44k | |
| Invenergy Services LLC | Chicago, IL | Independent Power Producer | 88 | 37.3 TWh | May 2026 | - | ||
| Invista | Wichita, KS | Industrial | 3 | 576.2 GWh | Jan 2026 | - | ||
| Iowa Lakes Community College | Estherville, IA | Commercial | 1 | 374.0 MWh | Apr 2026 | - | ||
| Iowa Lakes Electric Coop | Estherville, IA | Cooperative | 2 | 74.5 GWh | Dec 2025 | - | ||
| Iowa State University | AMES, IA | State-Owned Utility | 1 | 78.0 GWh | May 2026 | - | ||
| Ip Oberon II, LLC | Beaverton, OR | Independent Power Producer | - | 585.0 GWh | Dec 2024 | Oct 2025 | $8.71M | |
| Ip Oberon LLC | Beaverton, OR | Independent Power Producer | - | 553.5 GWh | Dec 2024 | Oct 2025 | $9.92M | |
| Ip Radian, LLC | Beaverton, OR | Independent Power Producer | - | 691.6 GWh | Dec 2024 | - | ||
| IPA Operations Inc - Calumet | Houston, TX | Independent Power Producer | 1 | 7.6 GWh | Dec 2025 | - | ||
| IPC-Mansfield Mill | Purchase, NY | Industrial | 1 | 936.3 GWh | May 2026 | - | ||
| IPT Sri Cogeneration Inc | San Jose, CA | Commercial | 1 | 26.1 GWh | May 2026 | - | ||
| Ir Energy Management LLC | Chicago, IL | - | - | - | Oct 2025 | $6.99M | $6.99M | |
| Iredell Transmission LLC | Detroit, MI | Investor-Owned Utility | 1 | 28.1 GWh | Dec 2025 | - | ||
| Iris Solar LLC | New York, NY | Independent Power Producer | 1 | 128.3 GWh | May 2026 | Sep 2025 | $1.53M | |
| Irish Creek Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.0 TWh | May 2026 | Oct 2025 | $4.10M | |
| Iron Horse Battery Storage, LLC | Chicago, IL | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $78.72k | |
| Iron Horse Solar 1, LLC | Jersey City, NJ | Independent Power Producer | 1 | 4.3 GWh | Dec 2025 | - | ||
| Iron Horse Solar 4, LLC | New York, NY | Independent Power Producer | 1 | 7.4 GWh | Dec 2025 | - | ||
| Iron Springs Solar, LLC | Boston, MA | Independent Power Producer | - | - | - | Sep 2025 | $3.38M | |
| Iron Star Wind Project, LLC | Houston, TX | - | - | - | Sep 2025 | $980.98k | ||
| Ironwood Windpower LLC | Charlotte, NC | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $1.95M | |
| Iroquois Solar 1B LLC | Safety Harbor, FL | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| Isabella Partners | Bozeman, MT | Independent Power Producer | 1 | 32.6 GWh | Dec 2025 | - | ||
| Ism Solar Dighton 3, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.9 GWh | Dec 2025 | - | ||
| J. ARON & Company LLC | New York, NY | - | - | - | Oct 2025 | $179.99M | $25.48M | |
| J.P. Morgan Ventures Energy Corporation | Houston, TX | - | - | - | Sep 2025 | $32.00M | ||
| Jack County Power, LLC | Bridgeport, TX | Independent Power Producer | 1 | 5.1 TWh | May 2026 | - | ||
| Jack Francis Solar, LLC | Wilmington, DE | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Jack's Solar Garden | Longmont, CO | Independent Power Producer | 1 | 2.3 GWh | Dec 2024 | - | ||
| Jackpot Holdings, LLC | Charlotte, NC | Investor-Owned Utility | - | - | - | Sep 2025 | $2.08M | |
| Jackson Fuller Energy Storage, LLC | Juno Beach, FL | Independent Power Producer | 1 | -11.7 GWh | May 2026 | Sep 2025 | $2.33M | |
| Jackson Generation, LLC | Schaumburg, IL | Independent Power Producer | 1 | 6.9 TWh | May 2026 | Oct 2025 | $68.54M | |
| Jacksonville Solar LLC | New York, NY | Independent Power Producer | 1 | 9.6 GWh | Dec 2025 | - |
Top Power Plants in United States
| Plant | Location | Annual Generation | Initial Operation Date | Last Update | Fuel Types |
|---|---|---|---|---|---|
| Arkansas Nuclear One | Russellville, Arkansas | 14 TWh | Nov 1974 | May 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | May 2026 | Natural Gas : 97.1% Bituminous Coal : 2.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | May 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | May 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | May 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | May 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | May 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | May 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | May 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | May 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | May 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | May 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | May 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | May 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | May 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | May 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | May 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | May 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | May 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | May 2026 | Lignite Coal : 99.1% Natural Gas : 0.9% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | May 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | May 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | May 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 17 TWh | Jun 1981 | May 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | May 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Union Power Station | El Dorado, Arkansas | 12 TWh | Dec 2002 | May 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | May 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2026 | Subbituminous Coal : 81.6% Natural Gas : 18.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | May 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | May 2026 | Natural Gas |