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 |
|---|---|---|---|---|---|---|---|---|
| Concho Valley Solar, LLC | Henderson, NV | Independent Power Producer | 1 | 318.2 GWh | Feb 2026 | - | ||
| Northwestern Corporation | Helena, MT | - | - | - | Oct 2025 | $14.29M | $15.78M | |
| Montana Dept-Natural Res&Consv | Helena, MT | State-Owned Utility | 1 | 49.9 GWh | Dec 2024 | - | ||
| Heber Light & Power Company | Heber, UT | Municipally-Owned Utility | 4 | 38.4 GWh | Dec 2024 | - | ||
| Romark Logistics Of Pa Inc. | Hazle Township, PA | Commercial | 1 | 1.7 GWh | Dec 2024 | - | ||
| Hazleton Generation LLC | Hazle Township, PA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | Oct 2025 | $2.22M | |
| Russell City Energy Company LLC | Hayward, CA | Independent Power Producer | 1 | 1.9 TWh | Feb 2026 | Oct 2025 | $10.02M | |
| City Of Hayward | Hayward, CA | Municipally-Owned Utility | 1 | 12.1 GWh | Dec 2024 | - | ||
| Sunflower Electric Power Corp | Hays, KS | Cooperative | 8 | 1.6 TWh | Feb 2026 | Oct 2025 | $15.65M | $1.48M |
| Midwest Energy Inc - (KS) | Hays, KS | Cooperative | 6 | 104.1 GWh | Feb 2026 | Sep 2025 | $9.94M | |
| Fort Hays State University | Hays, KS | State-Owned Utility | 1 | 13.8 GWh | Dec 2024 | - | ||
| Kootenai Electric Cooperative Inc | Hayden, ID | Cooperative | - | 18.2 GWh | Dec 2023 | Mar 2022 | ||
| Domtar Paper Company LLC | Hawesville, KY | Independent Power Producer|Industrial | 5 | 1.1 TWh | Feb 2026 | Oct 2025 | $5.55M | |
| Northwest Ohio Wind, LLC | Haviland, OH | Independent Power Producer | 1 | 326.2 GWh | Feb 2026 | Oct 2025 | $2.84M | |
| Haviland Plastic Products Co | Haviland, OH | Commercial | 1 | 14.0 GWh | Dec 2024 | - | ||
| Cooperative Energy | Hattiesburg, MS | Cooperative | 9 | 11.5 TWh | Feb 2026 | Oct 2025 | $201.20M | $31.79M |
| City Of Hastings - (Ne) | Hastings, NE | Municipally-Owned Utility | 4 | 1.3 TWh | Feb 2026 | - | ||
| Hastings Lock & Dam | Hastings, MN | Municipally-Owned Utility | 1 | 15.7 GWh | Dec 2024 | - | ||
| Sonoco Products Co | Hartsville, SC | |Industrial | 2 | 71.8 GWh | Feb 2026 | - | ||
| North Haven Solar One, LLC | Hartford, CT | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Metropolitan DIST Of Hartford | Hartford, CT | Municipally-Owned Utility | 2 | 9.8 GWh | Dec 2024 | - | ||
| Enfield Solar One, LLC | Hartford, CT | Independent Power Producer | 1 | 5.5 GWh | Dec 2024 | - | ||
| Algonquin Power Windsor Locks LLC | Hartford, CT | - | - | - | Sep 2025 | $1.16M | ||
| Ocean State Power Co | Harrisville, RI | Independent Power Producer | 2 | 2.2 TWh | Dec 2024 | Sep 2025 | $27.03M | |
| Great American Gas & Electric, LLC | Harrison, NY | - | - | - | Sep 2025 | $589.05k | $2.50M | |
| City Of Harrisonburg - (Va) | Harrisonburg, VA | Municipally-Owned Utility | 3 | 2.5 GWh | Dec 2024 | - | ||
| The Trustees Of The University Of Pennsylvania, A Pennsylvania NON-Profit Corporation | Harrisburg, PA | - | - | - | Oct 2025 | $12.68k | ||
| The Procter & Gamble Paper Products Company | Harrisburg, PA | - | - | - | Oct 2025 | $675.05k | ||
| Harrisburg Authority | Harrisburg, PA | Municipally-Owned Utility | 1 | 110.0 GWh | Feb 2026 | - | ||
| Energy Center Paxton LLC | Harrisburg, PA | Investor-Owned Utility | 1 | 726.5 MWh | Dec 2024 | Oct 2025 | $182.16k | |
| Allegheny Electric Coop Inc | Harrisburg, PA | Cooperative | 1 | 84.5 GWh | Feb 2026 | Sep 2025 | $25.12M | |
| Dorchester Biomass LLC | Harleyville, SC | Independent Power Producer | 1 | 144.0 GWh | Dec 2024 | - | ||
| Heorot Power Management | Hardin, MT | Independent Power Producer | 1 | 537.8 GWh | Dec 2024 | - | ||
| Dartmouth College | Hanover, NH | Commercial | 1 | 11.9 GWh | Feb 2026 | - | ||
| Poet Biorefining-Hanlontown, LLC | Hanlontown, IA | Industrial | 1 | 13.5 GWh | Dec 2024 | - | ||
| Still Water Power LLC | Hanford, CA | Independent Power Producer | 1 | 732.9 MWh | Dec 2024 | - | ||
| Renewable Solar, Inc | Hanford, CA | Industrial | 9 | 8.9 GWh | Dec 2024 | - | ||
| Hanford Renewable Energy LLC | Hanford, CA | Commercial | 2 | 12.3 GWh | Dec 2024 | - | ||
| BBCP Kauai Operating LLC | Hanapepe, HI | Investor-Owned Utility | 2 | 26.2 GWh | Feb 2026 | - | ||
| Unitil Energy Systems, Inc. | Hampton, NH | - | - | - | Sep 2025 | $1.80M | $2.84M | |
| FOSS Manufacturing Company LLC | Hampton, NH | Independent Power Producer | 1 | 29.1 GWh | Feb 2026 | - | ||
| Fitchburg Gas And Electric Light Company | Hampton, NH | - | - | - | Sep 2025 | $506.97k | $397.92k | |
| Primary Energy Recycling Holdings, LLC | Hammond, IN | Independent Power Producer | 1 | 277.3 GWh | Dec 2024 | - | ||
| Grizzly Ridge Solar LLC | Hamilton, TX | Independent Power Producer | 1 | 110.1 GWh | Jan 2026 | - | ||
| Willey Battery Utility, LLC | Hamilton, OH | Independent Power Producer | 1 | -1.5 GWh | Dec 2024 | Sep 2025 | $381.36k | |
| City Of Hamilton - (Oh) | Hamilton, OH | Municipally-Owned Utility | 4 | 821.8 GWh | Dec 2024 | Jul 2023 | ||
| NS Power Energy Marketing Inc. | Halifax, NS | - | - | - | Sep 2025 | $9.55k | ||
| Emera Energy Services Subsidiary No. 4 LLC | Halifax, NS | - | - | - | Sep 2025 | $1.16M | $2.32M | |
| Emera Energy Services Subsidiary No. 3 LLC | Halifax, NS | - | - | - | Oct 2025 | $2.61M | $2.61M | |
| Emera Energy Services Subsidiary No. 2 LLC | Halifax, NS | - | - | - | Sep 2025 | $658.20k | $658.20k | |
| Emera Energy Services Subsidiary No. 15 LLC | Halifax, NS | - | - | - | Sep 2025 | $4.34M | ||
| Emera Energy Services Subsidiary No. 13 LLC | Halifax, NS | - | - | - | Oct 2025 | $42.78M | $38.24M | |
| Emera Energy Services Subsidiary No. 1 LLC | Halifax, NS | - | - | - | Oct 2025 | $35.22M | $35.22M | |
| Mars Wrigley Confectionery US, LLC | Hackettstown, NJ | Commercial | 1 | 45.3 GWh | Dec 2024 | - | ||
| Cataract Hydro, LLC | Gwinn, MI | Independent Power Producer | 1 | 5.2 GWh | Dec 2024 | - | ||
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 18.6 TWh | Feb 2026 | Sep 2025 | $65.80M | $4.58M |
| McNair Creek Hydro Limited Partnership | Guelph, ON | - | - | - | Sep 2025 | $314.41k | ||
| Furry Creek Power Ltd. | Guelph, ON | - | - | - | Sep 2025 | $679.14k | ||
| Pfizer Inc | Groton, CT | Commercial | 1 | 81.5 GWh | Feb 2026 | Dec 2017 | ||
| BMW Manufacturing Co LLC | Greer, SC | Industrial | 1 | 14.9 GWh | Dec 2024 | - | ||
| Delaware Electric Cooperative | Greenwood, DE | Cooperative | 1 | 7.1 GWh | Dec 2024 | Sep 2025 | $37.11M | |
| Sesqui-C 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 | - | ||
| Linkville Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Kaiser Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.1 GWh | Dec 2024 | - | ||
| Hangar 160 LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.4 GWh | Dec 2024 | - | ||
| Fruitland Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 2.5 GWh | Dec 2024 | - | ||
| Cosper Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 3.9 GWh | Dec 2024 | - | ||
| Carnes Creek Solar, LLC | Greenwood VIllage, CO | Independent Power Producer | 1 | 4.5 GWh | Dec 2024 | - | ||
| Vermillion Power LLC | Greenwich, CT | Independent Power Producer | 1 | 1.8 TWh | Dec 2024 | Oct 2025 | $23.62M | |
| Unison Energy LLC | Greenwich, CT | Independent Power Producer | 1 | 23.6 GWh | Dec 2024 | - | ||
| Shannon Wind LLC | Greenwich, CT | Independent Power Producer | 1 | 476.2 GWh | Feb 2026 | - | ||
| Garrison Energy Center LLC | Greenwich, CT | Independent Power Producer | 1 | 962.3 GWh | Feb 2026 | Oct 2025 | $18.94M | |
| Edgewater Generation, LLC | Greenwich, CT | Independent Power Producer | 1 | 9.3 TWh | Feb 2026 | - | ||
| Citadel Energy Marketing LLC | Greenwich, CT | - | - | - | Sep 2025 | $54.04M | ||
| CH4 Biogas LLC | Greenwich, CT | Independent Power Producer | 2 | 4.2 GWh | Dec 2024 | - | ||
| City Of Greenville - (TX) | Greenville, TX | Municipally-Owned Utility | 1 | 50.8 GWh | Dec 2024 | - | ||
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 16.0 TWh | Feb 2026 | Oct 2025 | $290.81M | $995.94k |
| Allegheny Energy Supply Co LLC | Greensburg, PA | Investor-Owned Utility | 6 | - | Jan 2026 | Oct 2025 | $3.49M | $5.89M |
| White Street Renewables LLC | Greensboro, NC | Independent Power Producer | 1 | 16.6 GWh | Dec 2024 | - | ||
| Think Energy, LLC | Greens Farms, CT | - | - | - | Oct 2025 | $5.22M | $10.67M | |
| Wolverine Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.3 GWh | Dec 2024 | - | ||
| Wiota Wind Energy, LLC #1 | Greenfield, IA | Independent Power Producer | 1 | 4.9 GWh | Dec 2024 | - | ||
| Wind Gem, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| Sky Volt, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.6 GWh | Dec 2024 | - | ||
| Roseman Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.8 GWh | Dec 2024 | - | ||
| Meadow Ridge Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Green Energy Machine, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.3 GWh | Dec 2024 | - | ||
| Forward Fontanelle Power, LLC | Greenfield, IA | Independent Power Producer | 1 | 6.2 GWh | Dec 2024 | - | ||
| Cumberland Rose Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 5.7 GWh | Dec 2024 | - | ||
| Bulldog Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| Birch Power Co | Greenfield, IA | Independent Power Producer | 2 | 21.0 GWh | Dec 2024 | - | ||
| August Wind Energy, LLC | Greenfield, IA | Independent Power Producer | 1 | 7.1 GWh | Dec 2024 | - | ||
| TATA Chemicals Partners | Green River, WY | Industrial | 1 | 230.7 GWh | Feb 2026 | - | ||
| Genesis Alkali, LLC | Green River, WY | Industrial | 1 | 282.2 GWh | Dec 2024 | - | ||
| Erin Garden LLC | Green Isle, MN | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Georgia-Pacific Consumer OPER. Green Bay LLC | Green Bay, WI | Industrial | 1 | 245.6 GWh | Feb 2026 | - | ||
| American Bituminous Power LP | Grant Town, WV | Independent Power Producer | 1 | 669.8 GWh | Dec 2024 | - | ||
| Palmer's Creek Wind Farm, LLC | Granite Falls, MN | Independent Power Producer | 1 | 144.4 GWh | Feb 2026 | Sep 2025 | $715.05k | |
| Big Blue Wind Farm LLC (MN) | Granite Falls, MN | Independent Power Producer | 1 | 77.7 GWh | Dec 2024 | Sep 2025 | $910.26k |
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% |