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 |
|---|---|---|---|---|---|---|---|---|
| Western Power And Steam II LLC | Bakersfield, CA | Industrial | 1 | 26.9 GWh | Aug 2026 | - | ||
| Western Plains Wind, LLC | Oakley, KS | Industrial | 1 | 12.7 GWh | Dec 2025 | - | ||
| Westward Seafoods Inc | Dutch Harbor, AK | Industrial | 1 | 21.6 GWh | Aug 2026 | - | ||
| Trane US Inc | Davidson, NC | Industrial | 1 | 3.1 GWh | Dec 2025 | - | ||
| Thilmany LLC | Kaukauna, WI | Industrial | 1 | 92.1 GWh | Jul 2026 | - | ||
| The Gillette Company | South Boston, MA | Industrial | 1 | 65.0 GWh | Aug 2026 | - | ||
| South Houston Green Power LLC | Texas City, TX | Industrial | 3 | 4.7 TWh | Aug 2026 | - | ||
| Watkins Manufacturing Corporation | Vista, CA | Industrial | 1 | 8.3 GWh | Aug 2026 | - | ||
| Sweeny Cogeneration LLC | Houston, TX | Industrial | 1 | 3.2 TWh | Aug 2026 | - | ||
| The Medical Center Company | Cleveland, OH | Industrial | 2 | 1.1 GWh | Dec 2025 | - | ||
| South County Packing | King City, CA | Industrial | 1 | 9.4 GWh | Dec 2025 | - | ||
| South Atlantic Services Inc | Wilmington, NC | Industrial | 1 | 2.3 GWh | Dec 2025 | - | ||
| Union Carbide Corp-Seadrift | Midland, MI | Industrial | 2 | 743.0 GWh | Aug 2026 | Oct 2025 | $3.22M | |
| University Of Minnesota Central Utilities | Minneapolis, MN | Industrial | 2 | 187.8 GWh | Jan 2026 | - | ||
| White Springs Agrici Chem Inc | White Springs, FL | Industrial | 2 | 92.4 GWh | Aug 2026 | - | ||
| Sylvamo North America LLC | Ticonderoga, NY | Industrial | 1 | 225.6 GWh | Aug 2026 | - | ||
| United States Sugar Corp | Clewiston, FL | Industrial | 2 | 258.4 GWh | Aug 2026 | - | ||
| United Technologies | East Hartford, CT | Industrial | 1 | 108.7 GWh | Aug 2026 | - | ||
| Sylvamo Corporation - Eastover | Eastover, SC | Industrial | 1 | 588.4 GWh | Aug 2026 | - | ||
| Solutia Inc-Indian | St Louis, MO | Industrial | 1 | 11.9 GWh | Aug 2026 | - | ||
| Sycamore Cogeneration Co | Bakersfield, CA | Industrial | 1 | 146.5 GWh | Aug 2026 | Sep 2015 | ||
| Valero Wilmington | Wilmington, CA | Industrial | 1 | 231.6 GWh | Dec 2025 | - | ||
| Ticona Polymers Inc | Bishop, TX | Industrial | 1 | 246.4 GWh | Dec 2025 | - | ||
| U S Gypsum Co | Chicago, IL | Industrial | 1 | 17.4 GWh | Dec 2025 | - | ||
| We Soda Alkali | Green River, WY | Industrial | 1 | 293.6 GWh | Dec 2025 | - | ||
| SS Pa II PSU LLC | Malvern, PA | Industrial | 1 | 2.3 GWh | Dec 2024 | - | ||
| The Andersons Albion Ethanol LLC | Maumee, OH | Industrial | 1 | 66.7 GWh | Dec 2025 | - | ||
| Veolia Na - Municipal & Commercial Business | Boston, MA | Industrial | 1 | 152.6 GWh | Aug 2026 | - | ||
| Toray Plastics America | North Kingstown, RI | Industrial | 1 | 164.9 GWh | Dec 2025 | - | ||
| W&T Offshore Inc | Coden, AL | Industrial | 2 | 57.3 GWh | Dec 2025 | - | ||
| Southern Minnesota Beet Sugar | Renville, MN | Industrial | 1 | 27.6 GWh | May 2026 | - | ||
| Total Petrochemicals USA Inc | Houston, TX | Industrial | 1 | 264.9 GWh | Dec 2025 | - | ||
| Wells Manufacturing Co | Woodstock, IL | Industrial | 1 | 8.5 GWh | Aug 2026 | - | ||
| US Sugar Savannah Refinery, LLC | Port Wentworth, GA | Industrial | 1 | 58.5 GWh | Dec 2025 | - | ||
| Torrance Refining Company, LLC | Torrance, CA | Industrial | 1 | 74.3 GWh | Aug 2026 | - | ||
| Lincoln Electric System | Lincoln, NE | Industrial|Municipally-Owned Utility | 6 | 163.7 GWh | Aug 2026 | Oct 2025 | $6.72M | |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.5 TWh | Aug 2026 | Oct 2025 | $196.57M | $113.71M |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 17.0 TWh | Aug 2026 | Oct 2025 | $116.11M | $18.97M |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 18.1 TWh | Aug 2026 | Oct 2025 | $290.81M | $995.94k |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 19.3 TWh | Aug 2026 | Sep 2025 | $65.80M | $4.58M |
| Montana-Dakota Utilities Co | Bismarck, ND | Investor-Owned Utility | 12 | 900.2 GWh | Aug 2026 | Oct 2025 | $12.67M | $7.54M |
| Lockhart Power Co | Lockhart, SC | Investor-Owned Utility | 6 | 78.5 GWh | Dec 2025 | Sep 2025 | $3.69M | $6.84M |
| Ledyard Windpower, LLC | Lakota, IA | Investor-Owned Utility | - | - | - | Oct 2025 | $1.29M | |
| Liberty Utilities (Calpeco Electric) LLC | South Lake Tahoe, CA | Investor-Owned Utility | 3 | 115.0 GWh | Aug 2026 | Oct 2025 | $423.39k | $5.80M |
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 23.2 TWh | Aug 2026 | Oct 2025 | $15.62M | $18.44M |
| National Grid Generation LLC | Hicksville, NY | Investor-Owned Utility | 14 | 6.1 TWh | Aug 2026 | Sep 2025 | $99.31M | |
| Meadow Lake Solar Park | Merrillville, IN | Investor-Owned Utility | 1 | 412.6 GWh | Aug 2026 | Sep 2025 | $3.80M | |
| New York State ELEC & Gas Corp | Ithaca, NY | Investor-Owned Utility | 9 | 48.8 GWh | Dec 2025 | - | ||
| MAUI Electric Co Ltd | Kahului - MAUI, HI | Investor-Owned Utility | 6 | 917.8 GWh | Aug 2026 | - | ||
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| Ne Renewable Fitchburg, LLC | New York City, NY | Investor-Owned Utility | 1 | 83.2 GWh | Dec 2025 | - | ||
| MPH Al Pierce, LLC | Wallingford, CT | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $510.35k | |
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| McGrath Light & Power Co | McGrath, AK | Investor-Owned Utility | 1 | 2.0 GWh | Dec 2025 | - | ||
| Massachusetts Electric Co | Brooklyn, NY | Investor-Owned Utility | 3 | 3.9 GWh | Dec 2025 | Oct 2025 | $29.93M | $75.60M |
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 16.9 TWh | Aug 2026 | Oct 2025 | $15.32M | $154.44M |
| Madison Gas & Electric Co | Madison, WI | Investor-Owned Utility | 20 | 939.1 GWh | Aug 2026 | Oct 2025 | $31.93M | $919.38k |
| Northern Indiana Pub SERV Co | Merrillville, IN | Investor-Owned Utility | 7 | 7.8 TWh | Aug 2026 | May 2023 | ||
| Nstar Electric Company | Westwood, MA | Investor-Owned Utility | 17 | 61.3 GWh | Aug 2026 | Oct 2025 | $27.02M | $57.43M |
| Northern States Power Co - Minnesota | Minneapolis, MN | Investor-Owned Utility | 69 | 39.8 TWh | Aug 2026 | Oct 2025 | $352.04M | $76.80M |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 63 | 45.9 TWh | Aug 2026 | Oct 2025 | $297.24M | $13.35M |
| SUNE CPS2 LLC | New York, NY | Investor-Owned Utility | - | 7.4 GWh | Dec 2024 | - | ||
| Sungen Sharon 1 LLC | Arundel, ME | Investor-Owned Utility | 1 | 2.4 GWh | Dec 2025 | - | ||
| Sunflower Wind Project | Boston, MA | Investor-Owned Utility | - | - | Dec 2018 | Sep 2025 | $2.58M | |
| Trent Wind Farm LP | Trent, TX | Investor-Owned Utility | - | 563.6 GWh | Dec 2024 | - | ||
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 19 | 17.6 TWh | Aug 2026 | Oct 2025 | $231.47M | $98.95M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 21.2 TWh | Aug 2026 | Sep 2025 | $40.06M | $10.95M |
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | Aug 2026 | Sep 2025 | $195.58M | $6.65M |
| Southern Indiana Gas & ELEC Co | Evansville, IN | Investor-Owned Utility | 11 | 2.0 TWh | Aug 2026 | Oct 2025 | $33.22M | $8.35M |
| South Carolina Genertg Co, Inc | Cayce, SC | Investor-Owned Utility | 1 | 2.7 TWh | Aug 2026 | - | ||
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | Aug 2026 | Oct 2025 | $370.58M | $970.69M |
| Uwharrie Mountain Renewable Energy, LLC | Detroit, MI | Investor-Owned Utility | 1 | 35.1 GWh | Dec 2025 | - | ||
| SUNE CPS3 LLC | Belmont, CA | Investor-Owned Utility | - | 7.6 GWh | Dec 2024 | - | ||
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 51 | 21.4 TWh | Aug 2026 | Oct 2025 | $3.56M | $37.45M |
| Virginia Electric & Power Co | Richmond, VA | Investor-Owned Utility | 47 | 85.6 TWh | Aug 2026 | Oct 2025 | $1.25B | $30.83M |
| SV CSG Barrass Farms II LLC | Pewaukee, WI | Investor-Owned Utility | 1 | 4.9 GWh | Dec 2025 | - | ||
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.7 TWh | Aug 2026 | Sep 2025 | $144.80M | |
| Upper Peninsula Power Company | Marquette, MI | Investor-Owned Utility | 7 | 105.8 GWh | Dec 2025 | Oct 2025 | $5.49M | $5.40M |
| Upper Michigan Energy Resources Company | Milwaukee, MI | Investor-Owned Utility | 3 | 593.7 GWh | Aug 2026 | Oct 2025 | $11.91M | $67.91k |
| Uns Electric, Inc | Tucson, AZ | Investor-Owned Utility | 5 | 78.5 GWh | Dec 2025 | Sep 2025 | $3.99M | $15.44M |
| Tucson Electric Power Co | Tucson, AZ | Investor-Owned Utility | 13 | 8.4 TWh | Aug 2026 | Oct 2025 | $61.93M | $38.77M |
| Strawberry Water Users Assn | Payson, UT | Investor-Owned Utility | 2 | 15.3 GWh | Dec 2024 | - | ||
| TDX North Slope Generating Inc. | Anchorage, AK | Investor-Owned Utility | 2 | 58.3 GWh | Dec 2025 | - | ||
| Tritec Americas | La Jolla, CA | Investor-Owned Utility | 4 | 10.5 GWh | Dec 2025 | - | ||
| Western Massachusetts Electric Company | West Springfield, MA | Investor-Owned Utility | 3 | 8.8 GWh | Aug 2026 | Sep 2025 | $2.82M | |
| Union Electric Co - (Mo) | St Louis, MO | Investor-Owned Utility | 34 | 34.7 TWh | Aug 2026 | Oct 2025 | $687.14M | $457.50k |
| Sunshine Gas Producers LLC | Detroit, MI | Investor-Owned Utility | 1 | 133.9 GWh | Jul 2026 | Sep 2025 | $2.93M | |
| SUNE CPS1 LLC | New York, NY | Investor-Owned Utility | - | 5.1 GWh | Dec 2024 | - | ||
| United Illuminating Co | Orange, CT | Investor-Owned Utility | 3 | 55.7 GWh | Aug 2026 | Sep 2025 | $20.21M | $64.93M |
| Tatanka Ridge LLC | Milwaukee, WI | Investor-Owned Utility | 1 | 547.0 GWh | Aug 2026 | - | ||
| BBCP Kauai Operating LLC | Hanapepe, HI | Investor-Owned Utility | 2 | 21.4 GWh | Aug 2026 | - | ||
| AGC Division Of APGI Inc | Pittsburgh, PA | Investor-Owned Utility | 1 | 3.3 TWh | Aug 2026 | - | ||
| Betcher CSG LLC | Annapolis, MD | Investor-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| AES Pike County Energy Storage | Petersburg, IN | Investor-Owned Utility | 1 | - | Jan 2026 | Sep 2025 | $2.41M | |
| Brazos Valley Energy | Richmond, TX | Investor-Owned Utility | 1 | 4.3 TWh | Aug 2026 | - | ||
| Black Hills Colorado Electric, LLC | Rapid City, SD | Investor-Owned Utility | 6 | 276.8 GWh | Dec 2025 | Oct 2025 | $3.28M | $15.70M |
| Alaska Electric Light & Power Co. | Juneau, AK | Investor-Owned Utility | 8 | 456.6 GWh | Dec 2025 | - | ||
| Caldwell Wastewater Treatment Plant | West Caldwell, NJ | Investor-Owned Utility | 1 | 965.0 MWh | Dec 2025 | - | ||
| Ameren Illinois | Collinsville, IL | Investor-Owned Utility | 1 | 308.0 MWh | Dec 2025 | Oct 2025 | $12.47M | $47.56M |
| Black Hills Power, Inc. | Rapid City, SD | Investor-Owned Utility | 9 | 2.3 TWh | Aug 2026 | Oct 2025 | $10.17M | $13.64M |
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% |