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 |
|---|---|---|---|---|---|---|---|---|
| Entergy Mississippi LLC | Jackson, MS | Investor-Owned Utility | 12 | 11.3 TWh | Jun 2026 | Oct 2025 | $177.86M | $83.86M |
| Commonwealth Edison Company Of Indiana, Inc. | Oak Brook, IL | - | - | - | Oct 2025 | $12.80M | $84.52M | |
| Dominion Energy South Carolina, Inc | Cayce, SC | Investor-Owned Utility | 23 | 23.4 TWh | Jun 2026 | Oct 2025 | $4.36M | $85.75M |
| EDF Trading North America, LLC | Houston, TX | - | - | - | Oct 2025 | $124.96M | $86.67M | |
| Nebraska Public Power District | Columbus, NE | Political Subdivision | 15 | 16.3 TWh | Jun 2026 | Oct 2025 | $95.54M | $91.26M |
| Parkway Generation Operating, LLC | Houston, TX | Independent Power Producer | 3 | 3.5 TWh | Jun 2026 | Oct 2025 | $252.23M | $91.29M |
| Indiana Michigan Power Co | Fort Wayne, IN | Investor-Owned Utility | 15 | 29.6 TWh | Jun 2026 | Oct 2025 | $93.40M | |
| JEA | Jacksonville, FL | Municipally-Owned Utility | 7 | 9.4 TWh | Jun 2026 | Oct 2025 | $96.15M | |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 18 | 17.1 TWh | Jun 2026 | Oct 2025 | $231.47M | $98.95M |
| Macquarie Energy Trading LLC | Houston, TX | - | - | - | Oct 2025 | $341.93M | $102.63M | |
| Mercuria Energy America, LLC | Houston, TX | - | - | - | Oct 2025 | $337.45M | $107.26M | |
| Ohio Valley Electric Corp | Piketon, OH | Investor-Owned Utility | 1 | 5.6 TWh | Jun 2026 | Oct 2025 | $196.57M | $113.71M |
| Entergy Louisiana LLC | Jefferson, LA | Investor-Owned Utility | 33 | 52.6 TWh | Jun 2026 | Oct 2025 | $719.46M | $116.81M |
| Interstate Gas Supply, LLC | Dublin, OH | - | - | - | Oct 2025 | $122.06M | $122.77M | |
| Delmarva Power & Light Company | Newark, DE | - | - | - | Oct 2025 | $1.74M | $123.25M | |
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | Jun 2026 | Oct 2025 | $51.30M | $124.41M |
| Duke Energy Carolinas, LLC | Charlotte, NC | Investor-Owned Utility | 61 | 108.1 TWh | Jun 2026 | Sep 2025 | $178.57M | $126.52M |
| AEP Energy Partners, Inc. | Columbus, OH | - | - | - | Oct 2025 | $221.25M | $126.87M | |
| The Potomac Edison Company | Akron, OH | - | - | - | Oct 2025 | $428.40k | $126.98M | |
| Bonneville Power Administration | Portland, OR | - | - | - | Oct 2025 | $153.41M | $129.09M | |
| PPL Electric Utilities Corporation | Washington, DC | - | - | - | Oct 2025 | $342.75k | $138.81M | |
| Long Island Lighting Company D/B/A LIPA | Hicksville, NY | - | - | - | Oct 2025 | $138.37M | $139.43M | |
| Amazon Energy LLC | Seattle, WA | - | - | - | Oct 2025 | $116.08M | $144.61M | |
| Public Service Company Of Colorado | Denver, CO | - | - | - | Oct 2025 | $57.63M | $146.80M | |
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 16.9 TWh | Jun 2026 | Oct 2025 | $15.32M | $154.44M |
| Wisconsin Electric Power Co | Milwaukee, WI | Investor-Owned Utility | 61 | 22.5 TWh | Jun 2026 | Oct 2025 | $198.65M | $157.00M |
| Ohio Power Co | Columbus, OH | 1 | - | Feb 2021 | Oct 2025 | $259.73k | $163.63M | |
| Direct Energy Business, LLC | Princeton, NJ | - | - | - | Oct 2025 | $182.32M | $173.39M | |
| Consumers Energy Co - (Mi) | Jackson, MI | Investor-Owned Utility | 40 | 26.8 TWh | Jun 2026 | Oct 2025 | $500.97M | $182.47M |
| North Carolina Electric Membership Corporation | Raleigh, NC | - | - | - | Oct 2025 | $55.81M | $187.21M | |
| Morgan Stanley Capital Group Inc. | New York, NY | - | - | - | Oct 2025 | $707.63M | $202.27M | |
| Puget Sound Energy Inc | Bellevue, WA | Investor-Owned Utility | 19 | 12.3 TWh | Jun 2026 | Oct 2025 | $62.87M | $209.89M |
| Firstenergy Pennsylvania Electric Company | Akron, OH | - | - | - | Oct 2025 | $520.38k | $215.40M | |
| Potomac Electric Power Company | Newark, DE | - | - | - | Oct 2025 | $460.22k | $217.15M | |
| San Diego Gas & Electric Co | San Diego, CA | Investor-Owned Utility | 19 | 1.5 TWh | Jun 2026 | Oct 2025 | $142.85M | $219.97M |
| Upper Missouri G. & T. Electric Cooperative, Inc. | Sidney, MT | - | - | - | Sep 2025 | $218.04M | $222.86M | |
| BP Energy Company | Houston, TX | - | - | - | Oct 2025 | $1.20B | $232.25M | |
| Calpine Energy Solutions, LLC | San Diego, CA | - | - | - | Oct 2025 | $109.93M | $233.66M | |
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 55.3 TWh | Jun 2026 | Oct 2025 | $24.68M | $234.49M |
| Georgia Power Co | Atlanta, GA | Investor-Owned Utility | 63 | 107.9 TWh | Jun 2026 | Oct 2025 | $13.78M | $237.04M |
| PECO Energy Company | Philadelphia, PA | - | - | - | Oct 2025 | $39.45k | $247.55M | |
| The Energy Authority, Inc. | Jacksonville, FL | - | - | - | Oct 2025 | $912.22M | $255.11M | |
| PSEG Energy Resources & Trade LLC | Newark, NJ | - | - | - | Oct 2025 | $289.31M | $260.02M | |
| Jersey Central Power & Light Company | Akron, OH | - | - | - | Oct 2025 | $15.68k | $271.81M | |
| Tennessee Valley Authority | Knoxville, TN | Federally-Owned Utility | 62 | 154.0 TWh | Jun 2026 | Oct 2025 | $2.18M | $275.07M |
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Engie Resources LLC | Houston, TX | - | - | - | Sep 2025 | $1.13M | $301.09M | |
| Baltimore Gas & Electric Co | Baltimore, MD | Investor-Owned Utility | 1 | -486.0 MWh | Dec 2025 | Oct 2025 | $1.06M | $303.90M |
| Utah Municipal Power Agency | Spanish Fork, UT | Political Subdivision | 3 | 439.4 GWh | Jun 2026 | Oct 2025 | $311.45M | |
| Connecticut Light & Power Co | 2 | - | Dec 2002 | Oct 2025 | $91.89M | $313.42M | ||
| NRG Business Marketing LLC | Princeton, NJ | - | - | - | Oct 2025 | $368.38M | $313.57M | |
| Western Area Power Administration | Lakewood, CO | - | - | - | Oct 2025 | $43.20M | $318.33M | |
| Energy Harbor LLC | Irving, TX | - | - | - | Oct 2025 | $367.65M | $354.36M | |
| Talen Energy Marketing, LLC | Houston, TX | - | - | - | Oct 2025 | $405.00M | $408.83M | |
| Public Service Electric And Gas Company | Newark, NJ | - | - | - | Oct 2025 | $3.24M | $508.43M | |
| Calpine Energy Services, L.P. | Houston, TX | - | - | - | Oct 2025 | $1.20B | $583.84M | |
| Constellation Energy Generation, LLC | Baltimore, MD | - | - | - | Oct 2025 | $5.12B | $621.04M | |
| Pacific Gas & Electric Co. | San Francisco, CA | Investor-Owned Utility | 88 | 34.4 TWh | Jun 2026 | Oct 2025 | $478.63M | $664.61M |
| MP2 Energy Ne LLC | Houston, TX | - | - | - | Oct 2025 | $73.41M | $818.53M | |
| Southern California Edison Co | Rosemead, CA | Investor-Owned Utility | 95 | 4.9 TWh | Jun 2026 | Oct 2025 | $370.58M | $970.69M |
| Dynegy Marketing And Trade, LLC | Irving, TX | - | - | - | Oct 2025 | $1.39B | $1.24B | |
| Pacificorp | Portland, OR | Investor-Owned Utility | 85 | 53.8 TWh | Jun 2026 | Oct 2025 | $81.18M | $2.41B |
| Constellation New Energy Inc. | New York, NY | Independent Power Producer | 1 | 168.7 GWh | Jun 2026 | Oct 2025 | $39.38M | $2.41B |
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 | Jun 2026 | Nuclear |
| Barry | Bucks, Alabama | 13 TWh | Jan 1954 | Jun 2026 | Natural Gas : 97.3% Bituminous Coal : 2.7% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Jun 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | Jun 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Jun 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | Jun 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | Jun 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Jun 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Jun 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | Jun 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Jun 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | Jun 2026 | Natural Gas : 69.8% Bituminous Coal : 30.0% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Jun 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | Jun 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Jun 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Jun 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 19 TWh | Feb 1941 | Jun 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | Jun 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Jun 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 19 TWh | Apr 1971 | Jun 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Jun 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | Jun 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | Jun 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | Jun 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Jun 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | Jun 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Jun 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 15 TWh | Oct 1969 | Jun 2026 | Subbituminous Coal : 75.2% Bituminous Coal : 15.7% Petroleum Coke : 8.9% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Jun 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | Jun 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | Jun 2026 | Lignite Coal : 99.2% Natural Gas : 0.8% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Jun 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Jun 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Jun 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Jun 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Jun 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Jun 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Jun 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 18 TWh | Jun 1981 | Jun 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 20 TWh | Jul 1988 | Jun 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | Jun 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | Jun 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 20 TWh | May 1983 | Jun 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | Jun 2026 | Nuclear : 64.6% Natural Gas : 35.4% |
| Union Power Station | El Dorado, Arkansas | 13 TWh | Dec 2002 | Jun 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Jun 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | Jun 2026 | Subbituminous Coal : 81.2% Natural Gas : 18.8% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | Jun 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | Jun 2026 | Natural Gas |