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 |
|---|---|---|---|---|---|---|---|---|
| Idaho Power Co | Boise, ID | Investor-Owned Utility | 32 | 11.5 TWh | Aug 2026 | Oct 2025 | $26.04M | $44.71M |
| Idemitsu Renewables | Reno, NV | Independent Power Producer | 1 | 123.4 GWh | Aug 2026 | - | ||
| IHI Power Services Corp | Aliso VIejo, CA | Independent Power Producer | 1 | 111.0 GWh | Aug 2026 | - | ||
| Illinois Power Generating Co | Collinsville, IL | Independent Power Producer | 2 | 3.6 TWh | Aug 2026 | Jan 2024 | ||
| Imperial Irrigation District | Imperial, CA | Political Subdivision | 16 | 1.4 TWh | Aug 2026 | Oct 2025 | $41.21M | |
| Imperial Valley Solar 3, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 691.6 GWh | Aug 2026 | Sep 2025 | $13.55M | |
| Indeck Niles, LLC | Buffalo Grove, IL | Independent Power Producer | 1 | 9.0 TWh | Aug 2026 | Oct 2025 | $36.15M | |
| Independence Wind Energy LLC | De SOTO, IA | Independent Power Producer | 1 | 209.4 GWh | Aug 2026 | Sep 2025 | $1.22M | |
| Indian River Operations Inc | Millsboro, DE | Independent Power Producer | 1 | 2.5 GWh | Aug 2026 | - | ||
| Indiana Crossroads Wind Farm II LLC | Houston, TX | Independent Power Producer | 1 | 623.4 GWh | Aug 2026 | Sep 2025 | $4.32M | |
| Indiana Crossroads Wind Farms LLC | Chalmers, IN | Independent Power Producer | 1 | 949.6 GWh | Aug 2026 | Sep 2025 | $6.75M | |
| Indiana-Kentucky Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 6.5 TWh | Aug 2026 | Oct 2025 | $113.71M | |
| Indiana Michigan Power Co | Fort Wayne, IN | Investor-Owned Utility | 15 | 29.6 TWh | Aug 2026 | Oct 2025 | $93.40M | |
| Indiana University Of PENN | Indiana, PA | State-Owned Utility | 1 | 22.9 GWh | Aug 2026 | - | ||
| Industrial Energy Applications Inc | Independent Power Producer | 19 | 500.5 MWh | Aug 2026 | - | |||
| Inertia Wind Project, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.4 TWh | Aug 2026 | - | ||
| Ingleside Cogeneration LP | Houston, TX | Industrial | 1 | 3.4 TWh | Aug 2026 | - | ||
| International Paper Co | Queen City, TX | |Industrial | 16 | 3.0 TWh | Aug 2026 | Sep 2025 | $296.30k | |
| Interstate Power Co | Cedar Rapids, IA | |Investor-Owned Utility | 42 | 14.9 TWh | Aug 2026 | Oct 2025 | $114.99M | $13.68M |
| Invenergy Services LLC | Chicago, IL | Independent Power Producer | 91 | 39.8 TWh | Aug 2026 | - | ||
| Iowa State University | AMES, IA | State-Owned Utility | 1 | 77.6 GWh | Aug 2026 | - | ||
| IPC-Mansfield Mill | Purchase, NY | Industrial | 1 | 901.6 GWh | Aug 2026 | - | ||
| IPT Sri Cogeneration Inc | San Jose, CA | Commercial | 1 | 26.3 GWh | Aug 2026 | - | ||
| Iris Solar LLC | New York, NY | Independent Power Producer | 1 | 129.0 GWh | Aug 2026 | Sep 2025 | $1.53M | |
| Irish Creek Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 987.3 GWh | Aug 2026 | Oct 2025 | $4.10M | |
| Jack County Power, LLC | Bridgeport, TX | Independent Power Producer | 1 | 4.5 TWh | Aug 2026 | - | ||
| Jackson Fuller Energy Storage, LLC | Juno Beach, FL | Independent Power Producer | 1 | -14.7 GWh | Aug 2026 | Sep 2025 | $2.33M | |
| Jackson Generation, LLC | Schaumburg, IL | Independent Power Producer | 1 | 7.3 TWh | Aug 2026 | Oct 2025 | $68.54M | |
| Javelina Wind Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 778.8 GWh | Aug 2026 | - | ||
| JEA | Jacksonville, FL | Municipally-Owned Utility | 7 | 9.4 TWh | Aug 2026 | Oct 2025 | $96.15M | |
| Jericho Power LLC | East Brunswick, NJ | Independent Power Producer | 1 | 24.1 GWh | Aug 2026 | - | ||
| Jericho Rise Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 173.1 GWh | Aug 2026 | Oct 2025 | $1.73M | |
| John Laing US Solar Corp. | New York, NY | Independent Power Producer | 5 | 478.9 GWh | Aug 2026 | - | ||
| Jordan Creek Wind Farm, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.3 TWh | Aug 2026 | Sep 2025 | $9.18M | |
| Kalaeloa Partners LP | Kapolei, HI | Independent Power Producer | 1 | 1.5 TWh | Aug 2026 | - | ||
| Kauai Island Utility Cooperative | Lihue, HI | Cooperative | 4 | 338.6 GWh | Aug 2026 | - | ||
| Kawailoa Solar, LLC | New York, NY | Independent Power Producer | 1 | 72.6 GWh | Aug 2026 | - | ||
| Kawailoa Wind LLC | New York, NY | Independent Power Producer | 1 | 94.7 GWh | Aug 2026 | - | ||
| Kaweah Delta Hospital | Visalia, CA | Commercial | 1 | 23.7 GWh | Aug 2026 | - | ||
| Kellam Solar, LLC | Houston, TX | Independent Power Producer | 1 | 123.3 GWh | Aug 2026 | - | ||
| Kelso 2 Solar, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 197.3 GWh | Aug 2026 | - | ||
| Kelso Solar, LLC | Scottsdale, AZ | Independent Power Producer | 2 | 264.7 GWh | Aug 2026 | Sep 2025 | ||
| Kendall Green Energy, LLC | Cambridge, MA | Independent Power Producer | 1 | 1.5 TWh | Aug 2026 | Sep 2025 | $20.57M | |
| Kennecott Utah Copper | South Jordan, UT | Industrial | 2 | 175.8 GWh | Aug 2026 | - | ||
| Kent County - (Mi) | Grand Rapids, MI | Municipally-Owned Utility | 1 | 87.3 GWh | Aug 2026 | - | ||
| Kent State University | Kent, OH | State-Owned Utility | 1 | 32.3 GWh | Aug 2026 | - | ||
| Kentucky Power Co | Columbus, OH | Investor-Owned Utility | 2 | 5.7 TWh | Aug 2026 | Jul 2025 | $876.82k | |
| Kentucky Utilities Co | Lexington, KY | Investor-Owned Utility | 8 | 13.6 TWh | Aug 2026 | Oct 2025 | $13.21M | $9.88M |
| Kern Oil & Refining Co | Bakersfield, CA | Industrial | 1 | 39.2 GWh | Aug 2026 | - | ||
| Kern River Cogeneration Co | Bakersfield, CA | Industrial | 1 | 117.0 GWh | Aug 2026 | Sep 2015 | ||
| Keycon Operating LLC | Boston, MA | Independent Power Producer | 2 | 9.3 TWh | Aug 2026 | - | ||
| Kimura Power LLC | Moraine, OH | Independent Power Producer | 7 | 1.3 TWh | Aug 2026 | - | ||
| King Creek Wind Farm 1, LLC | San Diego, CA | Independent Power Producer | 1 | 656.1 GWh | Aug 2026 | - | ||
| King Creek Wind Farm 2, LLC | San Diego, CA | Independent Power Producer | 1 | 747.8 GWh | Aug 2026 | - | ||
| Kingfisher Wind LLC | Boston, MA | Independent Power Producer | 1 | 957.8 GWh | Aug 2026 | Oct 2025 | $1.51M | |
| Kingman Energy Corp | New York, NY | Independent Power Producer | 1 | 21.4 GWh | Aug 2026 | - | ||
| Kingman Wind Energy, LLC | Juno Beach, FL | Independent Power Producer | 1 | 860.9 GWh | Aug 2026 | - | ||
| Kings Bay Naval Base | Kings Bay, GA | Federally-Owned Utility | 1 | 369.0 MWh | Aug 2026 | - | ||
| Kings River Conservation DIST | Fresno, CA | Political Subdivision | 1 | 347.2 GWh | Aug 2026 | - | ||
| Kingstree West 115 LLC | Conshohocken, PA | Independent Power Producer | 1 | 23.6 GWh | Aug 2026 | - | ||
| Kiowa County Solar Project, LLC | Kansas City, MO | Independent Power Producer | 1 | 306.5 GWh | Aug 2026 | Sep 2025 | $2.36M | |
| Kiowa Power Partners LLC | Omaha, NE | Independent Power Producer | 1 | 6.2 TWh | Aug 2026 | Oct 2025 | $19.14M | |
| Kissimmee Utility Authority | Kissimmee, FL | Municipally-Owned Utility | 2 | 4.5 TWh | Aug 2026 | - | ||
| Klamath Energy LLC | Klamath Falls, OR | Independent Power Producer | 2 | 3.5 TWh | Aug 2026 | Sep 2025 | $6.78M | |
| Kleen Energy Systems, LLC | Middletown, CT | Independent Power Producer | 1 | 4.3 TWh | Aug 2026 | Oct 2025 | $62.13M | |
| Kossuth County Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 288.8 GWh | Aug 2026 | Sep 2025 | $2.10M | |
| KUNA Bess, LLC | Austin, TX | Independent Power Producer | 1 | -21.7 GWh | Aug 2026 | Sep 2025 | $2.55M | |
| La Casa Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 446.2 GWh | Aug 2026 | - | ||
| Lacy Creek Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 1.4 TWh | Aug 2026 | - | ||
| Lafrontera Holdings LLC | Irving, TX | Independent Power Producer | 3 | 29.1 TWh | Aug 2026 | - | ||
| Lake Iris Solar, LLC | Jackson, MI | Independent Power Producer | 1 | 20.2 GWh | Aug 2026 | - | ||
| Lake Road Generating Co LP | Dayville, CT | Independent Power Producer | 1 | 6.4 TWh | Aug 2026 | Sep 2025 | $64.35M | |
| Lamesa Solar II, L.L.C. | New York, NY | Independent Power Producer | 1 | 127.5 GWh | Aug 2026 | - | ||
| Lancaster Solar Ga, LLC | Nashville, TN | Independent Power Producer | 1 | 201.6 GWh | Aug 2026 | Sep 2025 | $1.27M | |
| Lanikuhana Solar LLC | Princeton, NJ | Independent Power Producer | 1 | 31.4 GWh | Aug 2026 | - | ||
| Lansing Board Of Water And Light | Lansing, MI | Municipally-Owned Utility | 4 | 2.1 TWh | Aug 2026 | Oct 2025 | $4.42M | |
| Lanyard Power Holdings, LLC | Houston, TX | Independent Power Producer | 3 | 31.1 GWh | Aug 2026 | Jun 2024 | ||
| Las Majadas Wind Farm, LLC | San Diego, CA | Independent Power Producer | 1 | 835.7 GWh | Aug 2026 | - | ||
| Lawrenceburg Power, LLC | Lawrenceburg, IN | Independent Power Producer | 1 | 8.0 TWh | Aug 2026 | Oct 2025 | $87.55M | |
| Lax Airport | LOS Angeles, CA | Municipally-Owned Utility | 3 | 34.0 GWh | Aug 2026 | - | ||
| Lea Power Partners LLC | Hobbs, NM | Independent Power Producer | 1 | 3.7 TWh | Aug 2026 | Sep 2025 | $11.11M | |
| Leaf River Cellulose LLC | Industrial | 1 | 439.2 GWh | Aug 2026 | - | |||
| Leconte Energy Storage, LLC | Pleasanton, CA | Independent Power Producer | 1 | -21.1 GWh | Aug 2026 | Oct 2025 | $1.86M | |
| Lee County Board-Commissioners | FT Myers, FL | Municipally-Owned Utility | 1 | 343.9 GWh | Aug 2026 | - | ||
| Leeward Asset Management, LLC | Dallas, TX | Independent Power Producer | 60 | 9.2 TWh | Aug 2026 | - | ||
| Lexington Chenoa Wind Farm LLC | Houston, TX | Independent Power Producer | 1 | 791.1 GWh | Aug 2026 | Oct 2025 | $4.46M | |
| Liberty 1 Solar LLC | Washington, DC | Independent Power Producer | 1 | 119.3 GWh | Aug 2026 | - | ||
| Liberty County Solar Project, LLC | Austin, TX | Independent Power Producer | 1 | 272.6 GWh | Aug 2026 | Sep 2025 | $2.68M | |
| Liberty Electric Power LLC | Eddystone, PA | Independent Power Producer | 1 | 4.4 TWh | Aug 2026 | Oct 2025 | $37.95M | |
| Liberty Utilities (Calpeco Electric) LLC | South Lake Tahoe, CA | Investor-Owned Utility | 3 | 115.0 GWh | Aug 2026 | Oct 2025 | $423.39k | $5.80M |
| Lightning Dock Geothermal Hi-01, LLC | Salt Lake City, UT | Independent Power Producer | 1 | 77.6 GWh | Aug 2026 | - | ||
| Lightsource Renewable Energy Asset Management, LLC | San Francisco, CA | Independent Power Producer | 51 | 4.1 TWh | Aug 2026 | - | ||
| Lily Solar, LLC | Andover, MA | Independent Power Producer | 1 | 353.2 GWh | Aug 2026 | Feb 2020 | ||
| Limestone Wind Project, LLC | Houston, TX | Independent Power Producer | 1 | 1.1 TWh | Aug 2026 | - | ||
| Limon | Juno Beach, FL | Independent Power Producer | 3 | 1.7 TWh | Aug 2026 | - | ||
| Lincoln Electric System | Lincoln, NE | Industrial|Municipally-Owned Utility | 6 | 163.7 GWh | Aug 2026 | Oct 2025 | $6.72M | |
| Lincoln Land Wind, LLC | Charlottesville, VA | Independent Power Producer | 1 | 1.0 TWh | Aug 2026 | Oct 2025 | $6.84M | |
| Lindahl Wind Project LLC | Birmingham, AL | Independent Power Producer | 1 | 325.9 GWh | Aug 2026 | Sep 2025 | $3.37M | |
| Linden Combined Cycle | Linden, NJ | Independent Power Producer | 1 | 4.7 TWh | Aug 2026 | - | ||
| Little Bear Solar 1, LLC (Longroad) | Boston, MA | Independent Power Producer | 1 | 80.0 GWh | Aug 2026 | - |
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 | Aug 2026 | Nuclear |
| Barry | Bucks, Alabama | 14 TWh | Jan 1954 | Aug 2026 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Aug 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Aug 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Aug 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Aug 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Aug 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Aug 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Aug 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Aug 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Aug 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Aug 2026 | Natural Gas : 69.9% Bituminous Coal : 29.9% |
| Diablo Canyon | Avila Beach, California | 19 TWh | Apr 1985 | Aug 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Aug 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Aug 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 12 TWh | Sep 1974 | Aug 2026 | Bituminous Coal : 99.5% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Aug 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Aug 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Aug 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Aug 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Aug 2026 | Subbituminous Coal : 99.1% Natural Gas : 0.9% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Aug 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Aug 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Aug 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Aug 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Aug 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Aug 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Aug 2026 | Subbituminous Coal : 75.1% Bituminous Coal : 15.7% Petroleum Coke : 9.0% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Aug 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Aug 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Aug 2026 | Lignite Coal : 99.3% Natural Gas : 0.7% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Aug 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Aug 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Aug 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Aug 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Aug 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Aug 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Aug 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Aug 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Aug 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Aug 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Aug 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Aug 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Aug 2026 | Nuclear : 64.7% Natural Gas : 35.3% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Aug 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Aug 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Aug 2026 | Subbituminous Coal : 82.1% Natural Gas : 17.9% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Aug 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Aug 2026 | Natural Gas : 99.9% |