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 |
|---|---|---|---|---|---|---|---|---|
| Vermillion Power LLC | Greenwich, CT | Independent Power Producer | 1 | 1.8 TWh | Dec 2024 | Oct 2025 | $23.62M | |
| Carnes Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Cosper Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Fruitland Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Kaiser Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Linkville Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Sandy River Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.2 GWh | Dec 2024 | - | ||
| Sesqui-C Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Delaware Electric Cooperative | Greenwood, DE | Cooperative | 1 | 7.1 GWh | Dec 2024 | Sep 2025 | $37.11M | |
| BMW Manufacturing Co LLC | Greer, SC | Industrial | 1 | 14.9 GWh | Dec 2024 | - | ||
| Pfizer Inc | Groton, CT | Commercial | 1 | 83.8 GWh | Oct 2025 | Dec 2017 | ||
| Furry Creek Power Ltd. | Guelph, ON | - | - | - | Sep 2025 | $679.14k | ||
| McNair Creek Hydro Limited Partnership | Guelph, ON | - | - | - | Sep 2025 | $314.41k | ||
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 18.6 TWh | Oct 2025 | Sep 2025 | $65.80M | $4.58M |
| Cataract Hydro, LLC | Gwinn, MI | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | Commercial | 1 | 45.3 GWh | Dec 2024 | - | ||
| Emera Energy Services Subsidiary No. 1 LLC | Halifax, NS | - | - | - | Oct 2025 | $35.22M | $35.22M | |
| Emera Energy Services Subsidiary No. 13 LLC | Halifax, NS | - | - | - | Oct 2025 | $42.78M | $38.24M | |
| Emera Energy Services Subsidiary No. 15 LLC | Halifax, NS | - | - | - | Sep 2025 | $4.34M | ||
| Emera Energy Services Subsidiary No. 2 LLC | Halifax, NS | - | - | - | Sep 2025 | $658.20k | $658.20k | |
| Emera Energy Services Subsidiary No. 3 LLC | Halifax, NS | - | - | - | Oct 2025 | $2.61M | $2.61M | |
| Emera Energy Services Subsidiary No. 4 LLC | Halifax, NS | - | - | - | Sep 2025 | $1.16M | $2.32M | |
| NS Power Energy Marketing Inc. | Halifax, NS | - | - | - | Sep 2025 | $9.55k | ||
| City Of Hamilton - (Oh) | Hamilton, OH | Municipally-Owned Utility | 4 | 821.8 GWh | Dec 2024 | Jul 2023 | ||
| Willey Battery Utility, LLC | Hamilton, OH | Independent Power Producer | 1 | -1.5 GWh | Dec 2024 | Sep 2025 | $381.36k | |
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 148.1 GWh | Oct 2025 | - | ||
| Primary Energy Recycling Holdings, LLC | Hammond, IN | Independent Power Producer | 1 | 277.3 GWh | Dec 2024 | - | ||
| Fitchburg Gas And Electric Light Company | Hampton, NH | - | - | - | Sep 2025 | $506.97k | $397.92k | |
| FOSS Manufacturing Company LLC | Hampton, NH | Independent Power Producer | 1 | 26.5 GWh | Oct 2025 | - | ||
| Unitil Energy Systems, Inc. | Hampton, NH | - | - | - | Sep 2025 | $1.80M | $2.84M | |
| BBCP Kauai Operating LLC | Hanapepe, HI | Investor-Owned Utility | 2 | 26.2 GWh | Oct 2025 | - | ||
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.3 GWh | Dec 2024 | - | ||
| Renewable Solar, Inc | Hanford, CA | Industrial | 9 | 8.9 GWh | Dec 2024 | - | ||
| Still Water Power LLC | Hanford, CA | Independent Power Producer | 1 | 732.9 MWh | Dec 2024 | - | ||
| Poet Biorefining-Hanlontown, LLC | Hanlontown, IA | Industrial | 1 | 13.5 GWh | Dec 2024 | - | ||
| Dartmouth College | Hanover, NH | Commercial | 1 | 10.7 GWh | Oct 2025 | - | ||
| Heorot Power Management | Hardin, MT | Independent Power Producer | 1 | 537.8 GWh | Dec 2024 | - | ||
| Dorchester Biomass LLC | Harleyville, SC | Independent Power Producer | 1 | 144.0 GWh | Dec 2024 | - | ||
| Allegheny Electric Coop Inc | Harrisburg, PA | Cooperative | 1 | 87.5 GWh | Oct 2025 | Sep 2025 | $25.12M | |
| Energy Center Paxton LLC | Harrisburg, PA | Investor-Owned Utility | 1 | 726.5 MWh | Dec 2024 | Oct 2025 | $182.16k | |
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 112.0 GWh | Oct 2025 | - | ||
| The Procter & Gamble Paper Products Company | Harrisburg, PA | - | - | - | Oct 2025 | $675.05k | ||
| The Trustees Of The University Of Pennsylvania, A Pennsylvania NON-Profit Corporation | Harrisburg, PA | - | - | - | Oct 2025 | $12.68k | ||
| City Of Harrisonburg - (Va) | Harrisonburg, VA | Municipally-Owned Utility | 3 | 2.5 GWh | Dec 2024 | - | ||
| Great American Gas & Electric, LLC | Harrison, NY | - | - | - | Sep 2025 | $589.05k | $2.50M | |
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 2.2 TWh | Dec 2024 | Sep 2025 | $27.03M | |
| Algonquin Power Windsor Locks LLC | Hartford, CT | - | - | - | Sep 2025 | $1.16M | ||
| Enfield Solar One, LLC | Hartford, CT | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 9.8 GWh | Dec 2024 | - | ||
| North Haven Solar One, LLC | Hartford, CT | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Sonoco Products Co | Hartsville, SC | |Industrial | 2 | 71.0 GWh | Oct 2025 | - | ||
| Hastings Lock & Dam | Hastings, MN | Municipally-Owned Utility | 1 | 15.7 GWh | Dec 2024 | - | ||
| City Of Hastings - (Ne) | Hastings, NE | Municipally-Owned Utility | 4 | 1.3 TWh | Oct 2025 | - | ||
| Cooperative Energy | Hattiesburg, MS | Cooperative | 9 | 11.5 TWh | Oct 2025 | Oct 2025 | $201.20M | $31.79M |
| Haviland Plastic Products Co | Haviland, OH | Commercial | 1 | 14.0 GWh | Dec 2024 | - | ||
| Northwest Ohio Wind, LLC | Haviland, OH | Independent Power Producer | 1 | 301.6 GWh | Oct 2025 | Oct 2025 | $2.84M | |
| Domtar Paper Company LLC | Hawesville, KY | Independent Power Producer|Industrial | 5 | 1.1 TWh | Oct 2025 | Oct 2025 | $5.55M | |
| Kootenai Electric Cooperative Inc | Hayden, ID | Cooperative | - | 18.2 GWh | Dec 2023 | Mar 2022 | ||
| Fort Hays State University | Hays, KS | State-Owned Utility | 1 | 13.8 GWh | Dec 2024 | - | ||
| Midwest Energy Inc - (KS) | Hays, KS | Cooperative | 6 | 104.1 GWh | Oct 2025 | Sep 2025 | $9.94M | |
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Oct 2025 | Oct 2025 | $15.65M | $1.48M |
| City Of Hayward | Hayward, CA | Municipally-Owned Utility | 1 | 12.1 GWh | Dec 2024 | - | ||
| Russell City Energy Company LLC | Hayward, CA | Independent Power Producer | 1 | 1.6 TWh | Oct 2025 | Oct 2025 | $10.02M | |
| Hazleton Generation LLC | Hazle Township, PA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | Oct 2025 | $2.22M | |
| Romark Logistics Of Pa Inc. | Hazle Township, PA | Commercial | 1 | 1.7 GWh | Dec 2024 | - | ||
| Heber Light & Power Company | Heber, UT | Municipally-Owned Utility | 4 | 38.4 GWh | Dec 2024 | - | ||
| Montana Dept-Natural Res&Consv | Helena, MT | State-Owned Utility | 1 | 49.9 GWh | Dec 2024 | - | ||
| Northwestern Corporation | Helena, MT | - | - | - | Oct 2025 | $14.29M | $15.78M | |
| Concho Valley Solar, LLC | Henderson, NV | Independent Power Producer | 1 | 327.5 GWh | Oct 2025 | - | ||
| Saguaro Power Co | Henderson, NV | Independent Power Producer | 1 | 264.5 GWh | Oct 2025 | Oct 2025 | $1.63M | |
| TX Jumbo Road Wind, LLC | Hereford, TX | Independent Power Producer | 1 | 843.1 GWh | Oct 2025 | - | ||
| Hermiston Generating Co LP | Hermiston, OR | Independent Power Producer | 1 | 3.4 TWh | Oct 2025 | Oct 2025 | $10.51M | |
| Hermiston Power Partnership | Hermiston, OR | Independent Power Producer | 1 | 3.4 TWh | Oct 2025 | Oct 2025 | $7.42M | $0 |
| Odessa Energy Services LLC | Hermiston, OR | Independent Power Producer | 3 | 21.0 GWh | Dec 2024 | - | ||
| Hibbing Public Utilities COMM | Hibbing, MN | Municipally-Owned Utility | 1 | 42.7 GWh | Dec 2024 | Sep 2025 | $1.22M | |
| Long Island Lighting Company D/B/A LIPA | Hicksville, NY | - | - | - | Oct 2025 | $138.37M | $139.43M | |
| National Grid Generation LLC | Hicksville, NY | Investor-Owned Utility | 14 | 5.6 TWh | Oct 2025 | Sep 2025 | $99.31M | |
| City Of Higginsville - (Mo) | Higginsville, MO | Municipally-Owned Utility | 1 | 1.2 GWh | Nov 2024 | - | ||
| City Of High Point | High Point, NC | Municipally-Owned Utility | 3 | 510.5 MWh | Dec 2024 | - | ||
| Yuhaaviatam Of San Manuel Nation | Highland, CA | Political Subdivision | 1 | 30.0 GWh | Dec 2024 | - | ||
| Azimuth 180 Solar Electric, LLC | Hillsborough, NJ | Independent Power Producer | 7 | 13.1 GWh | Dec 2024 | - | ||
| Helvetia Solar, LLC | Hillsboro, OR | - | - | - | Sep 2025 | $37.67k | ||
| Hillsdale Board Of Public WKS | Hillsdale, MI | Municipally-Owned Utility | 1 | 223.4 MWh | Dec 2024 | - | ||
| Community Foodbank Of NJ | Hillside, NJ | Investor-Owned Utility | 1 | 915.0 MWh | Dec 2024 | - | ||
| Hawaii Electric Light Co Inc | HILO, HI | Investor-Owned Utility | 9 | 572.2 GWh | Oct 2025 | - | ||
| Navisun LLC | Hingham, MA | Independent Power Producer | 26 | 110.7 GWh | Dec 2024 | - | ||
| Mojave Solar LLC | Hinkley, CA | Independent Power Producer | 1 | 641.7 GWh | Oct 2025 | Sep 2025 | $42.14M | |
| Lea Power Partners LLC | Hobbs, NM | Independent Power Producer | 1 | 3.3 TWh | Oct 2025 | Sep 2025 | $11.11M | |
| Central Nebraska Pub P&I DIST | Holdrege, NE | Political Subdivision | 4 | 273.4 GWh | Dec 2024 | - | ||
| City Of Holland | Holland, MI | Municipally-Owned Utility | 4 | 1.1 TWh | Dec 2024 | - | ||
| Enerparc Ca 1, LLC | Hollister, CA | Independent Power Producer | 1 | 2.6 GWh | Dec 2023 | - | ||
| City Of Holton - (KS) | Holton, KS | Municipally-Owned Utility | 1 | 891.8 MWh | Dec 2024 | - | ||
| Highline Services, LLC | Holyoke, CO | Cooperative | 1 | 3.7 GWh | Dec 2024 | - | ||
| City Of Holyoke Gas And Electric Dept. | Holyoke, MA | Municipally-Owned Utility | 7 | 253.0 GWh | Dec 2024 | - | ||
| Homer Electric Assn Inc | Homer, AK | Cooperative | 5 | 932.5 GWh | Dec 2024 | - | ||
| Hamakua Energy LP | Honokaa, HI | Independent Power Producer | 1 | 82.3 GWh | Oct 2025 | - | ||
| Hawaiian Electric Co Inc | Honolulu, HI | Investor-Owned Utility | 13 | 4.3 TWh | Oct 2025 | - | ||
| Kaieie WAHO Company LLC | Honolulu, HI | Independent Power Producer | 1 | 9.0 GWh | Dec 2024 | - | ||
| Mahipapa LLC | Honolulu, HI | Independent Power Producer | 1 | 10.3 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 | Oct 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Oct 2025 | Natural Gas : 95.1% Bituminous Coal : 4.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Oct 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 11 TWh | Sep 1971 | Oct 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Oct 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Oct 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Oct 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Oct 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Oct 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Oct 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 19 TWh | Jul 1990 | Oct 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Oct 2025 | Natural Gas : 75.4% Bituminous Coal : 24.4% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Oct 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Oct 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Oct 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Oct 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Oct 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Oct 2025 | Nuclear |
| Guernsey Power Station | Byesville, Ohio | 11 TWh | Jan 2023 | Oct 2025 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Oct 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Oct 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Oct 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Oct 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Oct 2025 | Nuclear |
| Labadie | Labadie, Missouri | 16 TWh | May 1970 | Oct 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Oct 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Oct 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Oct 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Oct 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Oct 2025 | Subbituminous Coal : 74.1% Bituminous Coal : 16.5% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Oct 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Oct 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 23 TWh | Jun 1973 | Oct 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Oct 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 32 TWh | Dec 1985 | Oct 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Oct 2025 | Nuclear |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 18 TWh | May 1971 | Oct 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Oct 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Oct 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Oct 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Oct 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Oct 2025 | Nuclear |
| Surry | Surry, Virginia | 14 TWh | Nov 1972 | Oct 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Oct 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Oct 2025 | Nuclear : 68.2% Natural Gas : 31.8% |
| Vogtle | Waynesboro, Georgia | 36 TWh | Apr 1987 | Oct 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 15 TWh | May 1958 | Oct 2025 | Subbituminous Coal : 83.8% Natural Gas : 16.2% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 15 TWh | Apr 1996 | Oct 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Oct 2025 | Natural Gas : 99.9% |