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 |
|---|---|---|---|---|---|---|---|---|
| BP Energy Retail Company California LLC | Houston, TX | - | - | - | Oct 2025 | $91.77M | $47.24M | |
| Modesto Irrigation District | Modesto, CA | Political Subdivision | 5 | 317.9 GWh | Feb 2026 | Oct 2025 | $47.02M | |
| Citigroup Energy Inc. | Houston, TX | - | - | - | Oct 2025 | $393.12M | $46.30M | |
| Central Maine Power Company | Orange, CT | - | - | - | Sep 2025 | $7.64M | $46.15M | |
| Alabama Power Co | Birmingham, AL | Investor-Owned Utility | 31 | 67.4 TWh | Feb 2026 | Sep 2025 | $61.79M | $45.90M |
| IDT Energy, Inc. | Brooklyn, NY | - | - | - | Oct 2025 | $20.89M | $45.83M | |
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 18.0 TWh | Feb 2026 | Oct 2025 | $332.56M | $45.75M |
| Conoco Phillips Alaska Inc | Rodeo, CA | |Industrial | 1 | - | Dec 2014 | Oct 2025 | $242.74M | $45.12M |
| WPPI Energy | Sun Prairie, WI | Municipally-Owned Utility | 2 | 11.0 GWh | Dec 2024 | Oct 2025 | $53.67M | $44.97M |
| Idaho Power Co | Boise, ID | Investor-Owned Utility | 32 | 11.8 TWh | Feb 2026 | Oct 2025 | $26.04M | $44.71M |
| Public Service Company Of Oklahoma | Columbus, OH | - | - | - | Oct 2025 | $118.17k | $44.34M | |
| Wolverine Power Supply Coop | Cadillac, MI | Cooperative | 8 | 855.5 GWh | Dec 2024 | Oct 2025 | $173.23M | $44.03M |
| Western Farmers Electric Cooperative | Anadarko, OK | - | - | - | Oct 2025 | $65.34M | $43.35M | |
| Appalachian Power Co | Columbus, OH | Investor-Owned Utility | 20 | 22.0 TWh | Feb 2026 | Oct 2025 | $38.00M | $43.20M |
| Powerex Corp. | Vancouver, BC | - | - | - | Oct 2025 | $90.53M | $42.31M | |
| Imperial Irrigation District | Imperial, CA | Political Subdivision | 16 | 1.4 TWh | Feb 2026 | Oct 2025 | $41.21M | |
| Dayton Power & Light Co | Dayton, OH | Commercial | 2 | - | May 2018 | Oct 2025 | $5.74M | $40.25M |
| Walton Electric Member Corp | Monroe, GA | Cooperative | 2 | 6.7 GWh | Dec 2024 | Sep 2025 | $39.27M | |
| Tucson Electric Power Co | Tucson, AZ | Investor-Owned Utility | 13 | 9.0 TWh | Feb 2026 | Oct 2025 | $61.93M | $38.77M |
| Emera Energy Services Subsidiary No. 13 LLC | Halifax, NS | - | - | - | Oct 2025 | $42.78M | $38.24M | |
| Morgan Stanley Energy Structuring, L.L.C. | New York, NY | - | - | - | Sep 2025 | $85.04M | $38.19M | |
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 46 | 21.7 TWh | Feb 2026 | Oct 2025 | $3.56M | $37.45M |
| Nautilus Power, LLC | Charlotte, NC | - | - | - | Oct 2025 | $37.42M | $37.42M | |
| CMS Energy Resource Management Company | ANN Arbor, MI | - | - | - | Oct 2025 | $76.32M | $37.24M | |
| North Carolina Municipal Power Agency Number 1 | Raleigh, NC | - | - | - | Sep 2025 | $17.16M | $37.14M | |
| Delaware Electric Cooperative | Greenwood, DE | Cooperative | 1 | 7.1 GWh | Dec 2024 | Sep 2025 | $37.11M | |
| Avangrid Power LLC | Portland, OR | Independent Power Producer | 88 | 21.0 TWh | Feb 2026 | Oct 2025 | $124.30M | $36.03M |
| Emera Energy Services Subsidiary No. 1 LLC | Halifax, NS | - | - | - | Oct 2025 | $35.22M | $35.22M | |
| Associated Electric Coop, Inc | Springfield, MO | Cooperative | 11 | 26.0 TWh | Feb 2026 | Oct 2025 | $102.40M | $35.00M |
| Canal Marketing LLC | Houston, TX | - | - | - | Sep 2025 | $33.77M | $33.77M | |
| Minnkota Power Coop, Inc | Grand Forks, ND | Cooperative | 3 | 4.1 TWh | Feb 2026 | Oct 2025 | $19.00M | $33.38M |
| Castleton Commodities Energy Services LLC | Stamford, CT | - | - | - | Oct 2025 | $34.49M | $33.24M | |
| Evergy Kansas Central, Inc | Topeka, KS | Investor-Owned Utility | 22 | 11.4 TWh | Feb 2026 | Oct 2025 | $265.78M | $33.20M |
| Avista Corp | Spokane, WA | Investor-Owned Utility | 14 | 7.4 TWh | Feb 2026 | Oct 2025 | $54.87M | $32.57M |
| Cooperative Energy | Hattiesburg, MS | Cooperative | 9 | 11.5 TWh | Feb 2026 | Oct 2025 | $201.20M | $31.79M |
| GALT Power, Inc. | Wilmington, DE | - | - | - | Oct 2025 | $58.53M | $31.53M | |
| Corn Belt Power Coop | Humboldt, IA | Cooperative | 2 | 7.1 GWh | Dec 2024 | Sep 2025 | $31.13M | |
| Virginia Electric & Power Co | Richmond, VA | Investor-Owned Utility | 47 | 83.5 TWh | Feb 2026 | Oct 2025 | $1.25B | $30.83M |
| New England Power Company | Birmingham, AL | - | - | - | Sep 2025 | $703.75k | $30.64M | |
| Sierra Pacific Power Co | Reno, NV | Investor-Owned Utility | 14 | 6.2 TWh | Feb 2026 | Oct 2025 | $5.93M | $30.30M |
| 3 Phases Renewables Inc. | Issaquah, WA | - | - | - | Oct 2025 | $150.00k | $30.03M | |
| Northern Indiana Public Service Company LLC | Merrillville, IN | - | - | - | Oct 2025 | $118.37M | $29.94M | |
| Great River Energy | Maple Grove, MN | Cooperative | 10 | 463.9 GWh | Feb 2026 | Oct 2025 | $58.86M | $29.84M |
| Pud No 1 Of Chelan County | Wenatchee, WA | Political Subdivision | 4 | 7.9 TWh | Feb 2026 | Oct 2025 | $136.95M | $29.82M |
| City Of Riverside - (Ca) | Riverside, CA | Municipally-Owned Utility | 3 | 86.4 GWh | Dec 2024 | Oct 2025 | $29.65M | |
| Engie Energy Marketing Na, Inc. | Houston, TX | - | - | - | Oct 2025 | $361.04M | $29.58M | |
| Nextera Energy Services Massachusetts, LLC | Juno Beach, FL | - | - | - | Oct 2025 | $6.53M | $28.86M | |
| Albertsons Companies, Inc. | Pleasanton, CA | - | - | - | Oct 2025 | $15.22M | $28.69M | |
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| Public Service Company Of New Hampshire | Berlin, CT | - | - | - | Oct 2025 | $3.58M | $27.80M | |
| Freeport-McMoran-Corp-Chino Mines | Vanadium, NM | Industrial | 3 | 247.4 GWh | Feb 2026 | Oct 2025 | $42.63M | $27.41M |
| Cleanchoice Energy, Inc. | Philadelphia, PA | - | - | - | Oct 2025 | $43.73M | $27.35M | |
| Bear Valley Electric Service | Big Bear Lake, CA | Investor-Owned Utility | 3 | 504.3 MWh | Dec 2024 | Sep 2025 | $27.32M | |
| Indiana Municipal Power Agency | Carmel, IN | Political Subdivision | 48 | 1.4 TWh | Dec 2024 | Oct 2025 | $39.23M | $26.59M |
| Florida Power & Light Co | Miami, FL | Investor-Owned Utility | 159 | 155.8 TWh | Feb 2026 | Sep 2025 | $189.77M | $26.45M |
| El Paso Electric Co | El Paso, TX | Investor-Owned Utility | 12 | 6.2 TWh | Feb 2026 | Oct 2025 | $36.62M | $26.34M |
| Niagara Mohawk Power Corp | 1 | - | Dec 2004 | Oct 2025 | $12.99M | $26.33M | ||
| CP Energy Marketing (US) Inc. | Calgary, AB | - | - | - | Oct 2025 | $38.64M | $26.18M | |
| XO Energy MW, LP | Landenberg, PA | - | - | - | Sep 2025 | $36.97M | $25.87M | |
| Firstlight Power Management LLC | Burlington, MA | - | - | - | Sep 2025 | $58.57M | $25.58M | |
| J. ARON & Company LLC | New York, NY | - | - | - | Oct 2025 | $179.99M | $25.48M | |
| Louisiana Energy & Power Authority | Lafayette, LA | Political Subdivision | 4 | 144.1 GWh | Dec 2024 | Oct 2025 | $25.41M | |
| Omaha Public Power District | Omaha, NE | Political Subdivision | 11 | 8.3 TWh | Feb 2026 | Oct 2025 | $83.73M | $25.12M |
| Allegheny Electric Coop Inc | Harrisburg, PA | Cooperative | 1 | 84.5 GWh | Feb 2026 | Sep 2025 | $25.12M | |
| Fayetteville Public Works Commission | Fayetteville, NC | Municipally-Owned Utility | 1 | 120.3 GWh | Feb 2026 | Sep 2025 | $24.57M | |
| Merrill Lynch Commodities, Inc. | Houston, TX | - | - | - | Oct 2025 | $40.48M | $24.54M | |
| Rockland Electric Company | Spring Valley, NY | - | - | - | Oct 2025 | $405.30 | $24.44M | |
| City & County Of San Francisco | San Francisco, CA | Municipally-Owned Utility | 7 | 1.2 TWh | Feb 2026 | Oct 2025 | $24.08M | |
| Calpine Community Energy, LLC | San Diego, CA | - | - | - | Oct 2025 | $11.85M | $23.49M | |
| Turlock Irrigation District | Turlock, CA | Political Subdivision | 12 | 2.8 TWh | Feb 2026 | Oct 2025 | $23.17M | |
| ARON Energy Prepay 41 LLC | New York, NY | - | - | - | Sep 2025 | $22.95M | $22.95M | |
| Michigan Public Power Agency | Lansing, MI | Political Subdivision | 1 | 50.2 GWh | Dec 2024 | Oct 2025 | $22.86M | |
| SFE Energy, Inc. | Mississauga, ON | - | - | - | Oct 2025 | $19.83M | $22.64M | |
| Calenergy, LLC | DES Moines, IA | - | - | - | Sep 2025 | $39.91M | $21.53M | |
| Duke Energy Indiana, LLC | Plainfield, IN | Investor-Owned Utility | 19 | 22.1 TWh | Feb 2026 | Oct 2025 | $304.71M | $21.51M |
| East Kentucky Power Coop, Inc | Winchester, KY | Cooperative | 13 | 9.8 TWh | Feb 2026 | Oct 2025 | $167.66M | $21.31M |
| Municipal Electric Authority | Atlanta, GA | Municipally-Owned Utility | 5 | 2.4 TWh | Feb 2026 | Oct 2025 | $103.63M | $21.21M |
| New York Power Authority | White Plains, NY | State-Owned Utility | 22 | 29.9 TWh | Feb 2026 | Sep 2025 | $21.06M | |
| Microsoft Energy LLC | Redmond, WA | - | - | - | Oct 2025 | $1.20M | $20.97M | |
| Rainbow Energy Marketing Corporation | Bismarck, ND | - | - | - | Oct 2025 | $57.37M | $20.94M | |
| WGP Redwood Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $20.66M | $20.66M | |
| Hartree Partners LP | New York, NY | Independent Power Producer | 1 | 2.7 TWh | Feb 2026 | Oct 2025 | $217.65M | $20.03M |
| Orlando Utilities COMM | Orlando, FL | Municipally-Owned Utility | 5 | 4.3 TWh | Feb 2026 | Sep 2025 | $19.92M | |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 18.6 TWh | Feb 2026 | Oct 2025 | $116.11M | $18.97M |
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 22.6 TWh | Feb 2026 | Oct 2025 | $15.62M | $18.44M |
| COBB Electric Membership Corporation | Marietta, GA | Cooperative | 1 | 2.4 GWh | Dec 2024 | Sep 2025 | $6.08M | $18.36M |
| Pud No 1 Of Clark County - (Wa) | Vancouver, WA | Political Subdivision | 1 | 1.1 TWh | Jan 2026 | Oct 2025 | $18.31M | |
| Ohio Edison Company | Akron, OH | - | - | - | Sep 2025 | $504.22k | $18.17M | |
| Aggressive Energy LLC | Brooklyn, NY | - | - | - | Oct 2025 | $7.62M | $17.68M | |
| Duke Energy Florida, LLC | St. Petersburg, FL | Independent Power Producer|Investor-Owned Utility | 50 | 46.4 TWh | Feb 2026 | Sep 2025 | $17.46M | $17.05M |
| ARON Energy Prepay 16 LLC | New York, NY | - | - | - | Sep 2025 | $17.02M | $17.02M | |
| Flathead Electric Coop Inc | Kalispell, MT | Cooperative | 1 | 18.5 GWh | Dec 2024 | Sep 2025 | $16.94M | |
| DTE Electric Company | Detroit, MI | Investor-Owned Utility | 54 | 46.3 TWh | Feb 2026 | Oct 2025 | $742.54M | $16.76M |
| Arkansas Electric Coop Corp | Little Rock, AR | Cooperative | 12 | 7.3 TWh | Feb 2026 | Oct 2025 | $92.73M | $16.38M |
| Apple Energy LLC | Cupertino, CA | - | - | - | Oct 2025 | $7.53M | $16.28M | |
| Rainbow Energy Center | Underwood, ND | Investor-Owned Utility | 1 | 8.8 TWh | Feb 2026 | Oct 2025 | $90.85M | $16.22M |
| Northwestern Corporation | Helena, MT | - | - | - | Oct 2025 | $14.29M | $15.78M | |
| Black Hills Colorado Electric, LLC | Rapid City, SD | Investor-Owned Utility | 6 | 296.1 GWh | Dec 2024 | Oct 2025 | $3.28M | $15.70M |
| Generation Bridge Connecticut Holdings, LLC | Birmingham, AL | - | - | - | Sep 2025 | $15.61M | $15.61M | |
| Uns Electric, Inc | Tucson, AZ | Investor-Owned Utility | 5 | 107.8 GWh | Dec 2024 | Sep 2025 | $3.99M | $15.44M |
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% |