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 |
|---|---|---|---|---|---|---|---|---|
| Constellation Nuclear | Warrenville, IL | Independent Power Producer | 14 | 196.2 TWh | Aug 2026 | - | ||
| Florida Power & Light Co | Miami, FL | Investor-Owned Utility | 159 | 156.2 TWh | Aug 2026 | Sep 2025 | $189.77M | $26.45M |
| Tennessee Valley Authority | Knoxville, TN | Federally-Owned Utility | 62 | 154.0 TWh | Aug 2026 | Oct 2025 | $2.18M | $275.07M |
| Duke Energy Carolinas, LLC | Charlotte, NC | Investor-Owned Utility | 63 | 108.1 TWh | Aug 2026 | Sep 2025 | $178.57M | $126.52M |
| Georgia Power Co | Atlanta, GA | Investor-Owned Utility | 63 | 107.9 TWh | Aug 2026 | Oct 2025 | $13.78M | $237.04M |
| Virginia Electric & Power Co | Richmond, VA | Investor-Owned Utility | 47 | 85.6 TWh | Aug 2026 | Oct 2025 | $1.25B | $30.83M |
| Duke Energy Progress - (NC) | Charlotte, NC | Investor-Owned Utility | 38 | 68.6 TWh | Aug 2026 | Oct 2025 | $372.30M | $67.67M |
| Alabama Power Co | Birmingham, AL | Investor-Owned Utility | 32 | 66.9 TWh | Aug 2026 | Sep 2025 | $61.79M | $45.90M |
| Arizona Public Service Co | Phoenix, AZ | Investor-Owned Utility | 30 | 55.3 TWh | Aug 2026 | Oct 2025 | $24.68M | $234.49M |
| Pacificorp | Portland, OR | Investor-Owned Utility | 85 | 53.8 TWh | Aug 2026 | Oct 2025 | $81.18M | $2.41B |
| Entergy Louisiana LLC | Jefferson, LA | Investor-Owned Utility | 33 | 53.4 TWh | Aug 2026 | Oct 2025 | $719.46M | $116.81M |
| DTE Electric Company | Detroit, MI | Investor-Owned Utility | 65 | 53.2 TWh | Aug 2026 | Oct 2025 | $742.54M | $16.76M |
| Luminant Generation Company LLC | Irving, TX | |Independent Power Producer | 29 | 51.0 TWh | Aug 2026 | - | ||
| Southern Power Co | Atlanta, GA | Investor-Owned Utility | 53 | 48.1 TWh | Aug 2026 | Sep 2025 | $195.58M | $6.65M |
| Duke Energy Florida, LLC | St. Petersburg, FL | Independent Power Producer|Investor-Owned Utility | 55 | 46.7 TWh | Aug 2026 | Sep 2025 | $17.46M | $17.05M |
| Midamerican Energy Co | Urbandale, IA | Investor-Owned Utility | 63 | 45.9 TWh | Aug 2026 | Oct 2025 | $297.24M | $13.35M |
| Usace Northwestern Division | Portland, OR | Federally-Owned Utility | 21 | 45.4 TWh | Aug 2026 | - | ||
| Entergy Arkansas LLC | Little Rock, AR | Investor-Owned Utility | 19 | 41.7 TWh | Aug 2026 | Oct 2025 | $350.68M | $55.93M |
| Invenergy Services LLC | Chicago, IL | Independent Power Producer | 91 | 39.8 TWh | Aug 2026 | - | ||
| Northern States Power Co - Minnesota | Minneapolis, MN | Investor-Owned Utility | 69 | 39.8 TWh | Aug 2026 | Oct 2025 | $352.04M | $76.80M |
| Energy Harbor Nuclear Generation LLC | Akron, OH | Independent Power Producer | 3 | 35.4 TWh | Aug 2026 | Oct 2025 | $344.88M | |
| U S Bureau Of Reclamation | Denver, CO | Federally-Owned Utility | 60 | 35.0 TWh | Aug 2026 | Nov 2022 | ||
| Union Electric Co - (Mo) | St Louis, MO | Investor-Owned Utility | 34 | 34.7 TWh | Aug 2026 | Oct 2025 | $687.14M | $457.50k |
| Pacific Gas & Electric Co. | San Francisco, CA | Investor-Owned Utility | 88 | 34.4 TWh | Aug 2026 | Oct 2025 | $478.63M | $664.61M |
| PSEG Nuclear LLC | Newark, NJ | Independent Power Producer | 2 | 30.6 TWh | Aug 2026 | Sep 2025 | $248.37M | |
| RWE Clean Energy | Austin, TX | Independent Power Producer | 169 | 29.6 TWh | Aug 2026 | Oct 2025 | $9.10M | $7.83M |
| Indiana Michigan Power Co | Fort Wayne, IN | Investor-Owned Utility | 15 | 29.6 TWh | Aug 2026 | Oct 2025 | $93.40M | |
| Lafrontera Holdings LLC | Irving, TX | Independent Power Producer | 3 | 29.1 TWh | Aug 2026 | - | ||
| NRG Texas Power LLC | Houston, TX | Independent Power Producer | 10 | 28.5 TWh | Aug 2026 | - | ||
| Salt River Project | Phoenix, AZ | Political Subdivision | 22 | 27.5 TWh | Aug 2026 | Oct 2025 | $51.30M | $124.41M |
| Associated Electric Coop, Inc | Springfield, MO | Cooperative | 11 | 27.0 TWh | Aug 2026 | Oct 2025 | $102.40M | $35.00M |
| Consumers Energy Co - (Mi) | Jackson, MI | Investor-Owned Utility | 40 | 26.8 TWh | Aug 2026 | Oct 2025 | $500.97M | $182.47M |
| New York Power Authority | White Plains, NY | State-Owned Utility | 22 | 26.7 TWh | Aug 2026 | Sep 2025 | $21.06M | |
| Basin Electric Power Coop | Bismarck, ND | Cooperative | 18 | 26.7 TWh | Aug 2026 | Oct 2025 | $659.16M | $75.17M |
| City Of San Antonio - (TX) | San Antonio, TX | Municipally-Owned Utility | 19 | 24.6 TWh | Aug 2026 | - | ||
| Public Service Co Of Colorado | Denver, CO | Investor-Owned Utility | 33 | 24.6 TWh | Aug 2026 | - | ||
| Duke Energy Indiana, LLC | Plainfield, IN | Investor-Owned Utility | 19 | 23.7 TWh | Aug 2026 | Oct 2025 | $304.71M | $21.51M |
| Dominion Energy South Carolina, Inc | Cayce, SC | Investor-Owned Utility | 23 | 23.4 TWh | Aug 2026 | Oct 2025 | $4.36M | $85.75M |
| Louisville Gas & Electric Co | Louisville, KY | Investor-Owned Utility | 8 | 23.2 TWh | Aug 2026 | Oct 2025 | $15.62M | $18.44M |
| Appalachian Power Co | Columbus, OH | Investor-Owned Utility | 20 | 23.1 TWh | Aug 2026 | Oct 2025 | $38.00M | $43.20M |
| Wisconsin Electric Power Co | Milwaukee, WI | Investor-Owned Utility | 61 | 22.5 TWh | Aug 2026 | Oct 2025 | $198.65M | $157.00M |
| Avangrid Power LLC | Portland, OR | Independent Power Producer | 92 | 22.3 TWh | Aug 2026 | Oct 2025 | $124.30M | $36.03M |
| STP Nuclear Operating Co | Wadsworth, TX | Municipally-Owned Utility | 1 | 22.2 TWh | Aug 2026 | - | ||
| Wisconsin Power & Light Co | Madison, WI | Investor-Owned Utility | 38 | 21.8 TWh | Aug 2026 | Oct 2025 | $167.64M | $10.83M |
| Energy Northwest | Richland, WA | State-Owned Utility | 4 | 21.8 TWh | Aug 2026 | Mar 2016 | ||
| Talenenergy Susquehanna LLC | Allentown, PA | Independent Power Producer | 1 | 21.6 TWh | Aug 2026 | - | ||
| Tampa Electric Co | Tampa, FL | Investor-Owned Utility | 51 | 21.4 TWh | Aug 2026 | Oct 2025 | $3.56M | $37.45M |
| Southwestern Electric Power Co | Tulsa, OK | Investor-Owned Utility | 16 | 21.2 TWh | Aug 2026 | Sep 2025 | $40.06M | $10.95M |
| Dominion Energy Nuclear Conn Inc | Richmond, VA | Investor-Owned Utility | 29 | 20.6 TWh | Aug 2026 | Sep 2025 | $168.96M | |
| South Carolina Public Service Authority | Moncks Corner, SC | State-Owned Utility | 16 | 19.7 TWh | Aug 2026 | Oct 2025 | $332.56M | $45.75M |
| Mississippi Power Co | Gulfport, MS | Investor-Owned Utility | 8 | 19.3 TWh | Aug 2026 | Sep 2025 | $65.80M | $4.58M |
| Big Sky Wind, LLC | Pittsburgh, PA | Independent Power Producer | 15 | 18.8 TWh | Dec 2025 | Oct 2025 | $8.47M | |
| Monongahela Power Co | Greensburg, PA | Investor-Owned Utility | 10 | 18.1 TWh | Aug 2026 | Oct 2025 | $290.81M | $995.94k |
| Oglethorpe Power Corporation | Tucker, GA | Cooperative | 13 | 18.0 TWh | Aug 2026 | Sep 2025 | $34.46M | $3.20M |
| Southwestern Public Service Co | Amarillo, TX | Investor-Owned Utility | 19 | 17.6 TWh | Aug 2026 | Oct 2025 | $231.47M | $98.95M |
| Portland General Electric Co | Portland, OR | Investor-Owned Utility | 25 | 17.2 TWh | Aug 2026 | Oct 2025 | $68.97M | $51.44M |
| Evergy Metro | Kansas City, MO | Investor-Owned Utility | 11 | 17.1 TWh | Aug 2026 | Oct 2025 | $164.54M | $9.27M |
| Oklahoma Gas & Electric Co | Oklahoma City, OK | Investor-Owned Utility | 22 | 17.0 TWh | Aug 2026 | Oct 2025 | $116.11M | $18.97M |
| Lower Colorado River Authority | Austin, TX | Political Subdivision | 12 | 16.9 TWh | Aug 2026 | Sep 2024 | ||
| Nevada Power Co | Las Vegas, NV | Investor-Owned Utility | 16 | 16.9 TWh | Aug 2026 | Oct 2025 | $15.32M | $154.44M |
| Nebraska Public Power District | Columbus, NE | Political Subdivision | 15 | 16.3 TWh | Aug 2026 | Oct 2025 | $95.54M | $91.26M |
| AES Indiana | Indianapolis, IN | Investor-Owned Utility | 5 | 16.1 TWh | Aug 2026 | Sep 2025 | $263.84k | |
| Interstate Power Co | Cedar Rapids, IA | |Investor-Owned Utility | 42 | 14.9 TWh | Aug 2026 | Oct 2025 | $114.99M | $13.68M |
| Constellation Power Source Generation, LLC | Baltimore, MD | Independent Power Producer | 29 | 14.7 TWh | Aug 2026 | Sep 2025 | $6.14M | |
| Seminole Electric Cooperative Inc | Tampa, FL | Cooperative | 4 | 14.5 TWh | Aug 2026 | Oct 2025 | $3.95M | $60.58M |
| Dow Chemical Co | Wilmington, DE | |Independent Power Producer|Industrial | 8 | 14.2 TWh | Aug 2026 | Oct 2025 | $29.42M | |
| Public Service Co Of Oklahoma | Tulsa, OK | Investor-Owned Utility | 14 | 13.9 TWh | Aug 2026 | - | ||
| Kentucky Utilities Co | Lexington, KY | Investor-Owned Utility | 8 | 13.6 TWh | Aug 2026 | Oct 2025 | $13.21M | $9.88M |
| Guernsey Power Station LLC | New York, NY | Independent Power Producer | 1 | 13.5 TWh | Aug 2026 | Oct 2025 | $86.92M | |
| Prairie State Generating Co LLC | Marissa, IL | Municipally-Owned Utility | 1 | 13.3 TWh | Aug 2026 | - | ||
| Evergy Kansas Central, Inc | Topeka, KS | Investor-Owned Utility | 21 | 13.3 TWh | Aug 2026 | Oct 2025 | $265.78M | $33.20M |
| Entergy Texas Inc. | The Woodlands, TX | Investor-Owned Utility | 11 | 13.2 TWh | Aug 2026 | Oct 2025 | $190.90M | $47.84M |
| Cleco Power LLC | Pineville, LA | Investor-Owned Utility | 7 | 13.0 TWh | Aug 2026 | Oct 2025 | $77.28M | |
| Gavin Power, LLC | Cheshire, OH | Independent Power Producer | 1 | 12.9 TWh | Aug 2026 | Oct 2025 | $168.58M | |
| Cottonwood Energy Co LP | Deweyville, TX | Independent Power Producer | 1 | 12.8 TWh | Aug 2026 | Oct 2025 | $20.03M | |
| LOS Angeles Department Of Water & Power | LOS Angeles, CA | Municipally-Owned Utility | 37 | 12.8 TWh | Aug 2026 | Oct 2025 | $3.26M | |
| Calpine Corp - Metcalf Energy Center | San Jose, CA | |Independent Power Producer | 14 | 12.6 TWh | Aug 2026 | Mar 2025 | ||
| Deriva Energy | Charlotte, NC | Independent Power Producer | 86 | 12.2 TWh | Aug 2026 | - | ||
| EDF Renewable Asset Holdings, Inc. | San Diego, CA | Independent Power Producer | 36 | 11.9 TWh | Aug 2026 | - | ||
| Entergy Mississippi LLC | Jackson, MS | Investor-Owned Utility | 13 | 11.7 TWh | Aug 2026 | Oct 2025 | $177.86M | $83.86M |
| System Energy Resources, Inc | Jackson, MS | Investor-Owned Utility | 1 | 11.7 TWh | Aug 2026 | Sep 2025 | $144.80M | |
| Pattern Operators LP | San Francisco, CA | Independent Power Producer | 34 | 11.6 TWh | Aug 2026 | - | ||
| Idaho Power Co | Boise, ID | Investor-Owned Utility | 32 | 11.5 TWh | Aug 2026 | Oct 2025 | $26.04M | $44.71M |
| East Kentucky Power Coop, Inc | Winchester, KY | Cooperative | 16 | 11.5 TWh | Aug 2026 | Oct 2025 | $167.66M | $21.31M |
| Pud No 2 Of Grant County - (Wa) | Ephrata, WA | Political Subdivision | 3 | 11.1 TWh | Aug 2026 | Sep 2025 | $6.28M | $14.69M |
| Wisconsin Public Service Corp | Milwaukee, WI | Investor-Owned Utility | 32 | 11.1 TWh | Aug 2026 | Oct 2025 | $116.51M | $4.09k |
| Cooperative Energy | Hattiesburg, MS | Cooperative | 9 | 11.1 TWh | Aug 2026 | Oct 2025 | $201.20M | $31.79M |
| Nextera Energy Point Beach LLC | Two Rivers, WI | Independent Power Producer | 1 | 10.9 TWh | Aug 2026 | Sep 2025 | $180.80M | $4.96M |
| Dynegy Hanging Rock Energy Facility | Ironton, OH | Independent Power Producer | 1 | 10.8 TWh | Aug 2026 | - | ||
| Nextera Energy Seabrook LLC | Juno Beach, FL | Independent Power Producer | 1 | 10.8 TWh | Aug 2026 | Oct 2025 | $119.57M | $35.44k |
| Midland Cogeneration Venture | Midland, MI | Independent Power Producer | 1 | 10.7 TWh | Aug 2026 | Oct 2025 | $202.10M | $504.75k |
| Wolf Creek Nuclear OPTG Corp | Burlington, KS | Investor-Owned Utility | 1 | 10.2 TWh | Aug 2026 | - | ||
| Engie North America | Houston, TX | Independent Power Producer | 47 | 10.1 TWh | Aug 2026 | - | ||
| Puget Sound Energy Inc | Bellevue, WA | Investor-Owned Utility | 19 | 10.0 TWh | Aug 2026 | Oct 2025 | $62.87M | $209.89M |
| Omaha Public Power District | Omaha, NE | Political Subdivision | 11 | 10.0 TWh | Aug 2026 | Oct 2025 | $83.73M | $25.12M |
| Calpine Mid-Merit LLC | Houston, TX | Independent Power Producer | 1 | 9.9 TWh | Aug 2026 | Oct 2025 | $20.19M | $17.00k |
| Edgewater Generation, LLC | Greenwich, CT | Independent Power Producer | 1 | 9.8 TWh | Aug 2026 | - | ||
| JEA | Jacksonville, FL | Municipally-Owned Utility | 7 | 9.4 TWh | Aug 2026 | Oct 2025 | $96.15M | |
| Keycon Operating LLC | Boston, MA | Independent Power Producer | 2 | 9.3 TWh | Aug 2026 | - | ||
| Leeward Asset Management, LLC | Dallas, TX | Independent Power Producer | 60 | 9.2 TWh | Aug 2026 | - |
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% |