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 |
|---|---|---|---|---|---|---|---|---|
| City Of Seattle - (Wa) | Seattle, WA | Municipally-Owned Utility | 7 | 4.9 TWh | Dec 2025 | - | ||
| Concord New Energy | Seattle, WA | Independent Power Producer | 5 | 15.1 GWh | Dec 2024 | - | ||
| Harvest Wind Project Tic | Seattle, WA | Independent Power Producer | 1 | 276.5 GWh | Dec 2024 | - | ||
| King County Dept-Natural Res | Seattle, WA | Municipally-Owned Utility | 1 | 10.2 GWh | Dec 2024 | - | ||
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Solar Star Prime 3, LLC | Seattle, WA | Independent Power Producer | 1 | 7.9 GWh | Dec 2024 | - | ||
| University Of Washington | Seattle, WA | State-Owned Utility | 1 | 2.8 GWh | Dec 2025 | - | ||
| UXI CSG Venture 1 8301 LLC | Seattle, WA | Independent Power Producer | 1 | 3.8 GWh | Dec 2024 | - | ||
| UXI CSG Venture 2 8302 LLC | Seattle, WA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| UXI CSG Venture 3 8303 LLC | Seattle, WA | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | - | ||
| UXI CSG Venture 4 8304 LLC | Seattle, WA | Independent Power Producer | 1 | 3.5 GWh | Dec 2024 | - | ||
| White Creek Wind 1 LLC | Seattle, WA | Independent Power Producer | 1 | 590.8 GWh | Dec 2024 | - | ||
| William G. Reed Jr | Seattle, WA | Independent Power Producer | 1 | 6.3 GWh | Dec 2024 | - | ||
| Michigan Sugar Company | Sebewaing, MI | Industrial | 2 | 701.6 MWh | Dec 2025 | - | ||
| Village Of Sebewaing - (Mi) | Sebewaing, MI | Municipally-Owned Utility | 2 | 16.6 GWh | Dec 2024 | Dec 2013 | ||
| Hartz Solar, LLC | Secaucus, NJ | Commercial | 11 | 19.8 GWh | Dec 2024 | - | ||
| Guadalupe Blanco River Authority | Seguin, TX | State-Owned Utility | 7 | 4.8 GWh | Dec 2024 | - | ||
| Selkirk Cogen Partners LP | Selkirk, NY | Independent Power Producer | 1 | - | Sep 2024 | Oct 2025 | $7.24M | |
| City Of Seneca - (SC) | Seneca, SC | Municipally-Owned Utility | 1 | 560.9 MWh | Dec 2024 | Jun 2015 | ||
| City Of Seward - (Ak) | Seward, AK | Municipally-Owned Utility | 1 | 445.1 MWh | Dec 2024 | - | ||
| Sewaren Generating Station | Sewaren, NJ | Independent Power Producer | 1 | 2.4 TWh | Dec 2025 | - | ||
| Shady Hills Power Co LLC | Shady Hills, FL | Independent Power Producer | 1 | 498.7 GWh | Dec 2025 | Oct 2025 | $5.79M | |
| KODA Energy LLC | Shakopee, MN | Independent Power Producer | 1 | 55.0 GWh | Dec 2024 | Sep 2025 | $96.68k | |
| Hummel Station, LLC | Shamokin Dam, PA | Independent Power Producer | 1 | 8.9 TWh | Dec 2025 | Oct 2025 | $72.19M | |
| Sunbury Generation LP | Shamokin Dam, PA | Independent Power Producer | 1 | 70.0 MWh | Dec 2024 | Oct 2025 | $536.49k | |
| Limerick Road Solar, LLC | Shelburne, VT | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Poet Biorefing- Shelbyville | Shelbyville, IN | Industrial | 1 | 37.7 GWh | Dec 2024 | - | ||
| City Of Shelby - (Oh) | Shelby, OH | Municipally-Owned Utility | 4 | 232.9 MWh | Dec 2024 | Sep 2025 | $297.62k | |
| Armstrong Power LLC | Shelocta, PA | Independent Power Producer | 1 | 1.4 TWh | Dec 2025 | Oct 2025 | $18.05M | |
| Discount Power, Inc. | Shelton, CT | - | - | - | Oct 2025 | $2.25M | $1.98M | |
| Rayburn Energy Station LLC | Sherman, TX | Cooperative | 1 | 3.5 TWh | Dec 2025 | - | ||
| Alliance NYGT, LLC | Sherrill, NY | Independent Power Producer | 2 | 918.5 MWh | Dec 2024 | Oct 2025 | $1.85M | |
| Sterling Power Partners LP | Sherrill, NY | Independent Power Producer | 1 | 3.7 GWh | Dec 2024 | Sep 2025 | $855.42k | |
| Shoreham Solar Commons | Shoreham, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.51M | |
| Samchully Power & Utilities 1 LLC | Shorewood, MN | - | - | - | Sep 2025 | $2.83M | ||
| Short Hills Mall | Short Hills, NJ | Commercial | 1 | 3.2 GWh | Dec 2024 | - | ||
| Town Of Shrewsbury - (Ma) | Shrewsbury, MA | Municipally-Owned Utility | 2 | 581.6 MWh | Dec 2024 | - | ||
| Upper Missouri G. & T. Electric Cooperative, Inc. | Sidney, MT | - | - | - | Sep 2025 | $218.04M | $222.86M | |
| Signal Hill Petroleum, Inc | Signal Hill, CA | Industrial | 1 | 42.3 GWh | Dec 2025 | - | ||
| City Of Sikeston - (Mo) | Sikeston, MO | Municipally-Owned Utility | 2 | 1.6 TWh | Dec 2025 | Jun 2023 | ||
| Eagle Springs Solar LLC | Silt, CO | Independent Power Producer | 1 | 1.6 GWh | Dec 2024 | - | ||
| Indeck Energy Services Of Silver Springs, Inc. | Silver Springs, NY | - | - | - | Sep 2025 | $1.44M | ||
| CPV Backbone Solar, LLC | Silver Spring, MD | Independent Power Producer | 1 | 7.5 GWh | Dec 2025 | Oct 2025 | $174.10k | |
| CPV Canton Mountain Wind LLC | Silver Spring, MD | Independent Power Producer | 1 | 55.1 GWh | Dec 2024 | Sep 2025 | $1.66M | |
| CPV Keenan II Renewable Energy Co LLC | Silver Spring, MD | Independent Power Producer | 1 | 284.6 GWh | Dec 2024 | Sep 2025 | $6.54M | |
| CPV Maple Hill Solar, LLC | Silver Spring, MD | Independent Power Producer | 1 | 160.9 GWh | Dec 2025 | Oct 2025 | $2.25M | |
| CPV Maryland LLC | Silver Spring, MD | Independent Power Producer | 1 | 4.9 TWh | Dec 2025 | Oct 2025 | $72.31M | |
| CPV Retail Energy LP | Silver Spring, MD | - | - | - | Oct 2025 | $13.94M | $13.26M | |
| CPV Saddleback Ridge Wind, LLC | Silver Spring, MD | Independent Power Producer | 1 | 89.5 GWh | Dec 2024 | Sep 2025 | $2.53M | |
| CPV Shore, LLC | Silver Spring, MD | - | - | - | Oct 2025 | $40.19M | ||
| CPV Stagecoach Solar, LLC | Silver Spring, MD | Independent Power Producer | 1 | 179.7 GWh | Dec 2025 | Sep 2025 | $2.01M | |
| CPV Three Rivers, LLC | Silver Spring, MD | Independent Power Producer | 1 | 7.1 TWh | Dec 2025 | Oct 2025 | $57.17M | |
| United Therapeutics Corporation | Silver Spring, MD | Independent Power Producer | 1 | 4.4 GWh | Dec 2024 | - | ||
| HF Sinclair Parco Refining LLC | Sinclair, WY | Industrial | 1 | 5.0 GWh | Dec 2025 | - | ||
| Missouri Basin MUNI Power AGNY | Sioux Falls, SD | Political Subdivision | 1 | 5.5 GWh | Dec 2024 | Oct 2025 | $4.93M | |
| Renew Energy Inc | Sioux Falls, SD | Commercial | 13 | 9.8 GWh | Dec 2024 | - | ||
| Western Minnesota Mun PWR AGNY | Sioux Falls, SD | Political Subdivision | 4 | 463.2 GWh | Dec 2025 | - | ||
| Energyneering Solutions, Inc | Sisters, OR | Independent Power Producer | 1 | 13.3 GWh | Dec 2024 | - | ||
| City & Borough Of Sitka - (Ak) | Sitka, AK | Municipally-Owned Utility | 4 | 129.7 GWh | Dec 2024 | - | ||
| Delaware Municipal Electric Corp | Smyrna, DE | Municipally-Owned Utility | 1 | 82.0 GWh | Dec 2025 | Oct 2025 | $8.17M | |
| Baker Station Associates, LP | Snoqualmie, WA | Independent Power Producer | 1 | 4.2 GWh | Dec 2024 | - | ||
| Crystal Springs Hydro ELEC LP | Snoqualmie, WA | Independent Power Producer | 1 | 9.9 GWh | Dec 2024 | - | ||
| Rocky Brook Electric Inc | Snoqualmie, WA | Independent Power Producer | 1 | 637.0 MWh | Dec 2024 | - | ||
| Snowbird Corporation | Snowbird, UT | Independent Power Producer | 1 | 16.0 GWh | Dec 2024 | - | ||
| Novo Biopower LLC | Snowflake, AZ | Independent Power Producer | 1 | 185.2 GWh | Dec 2024 | Sep 2025 | $6.43M | |
| State Correctnl Inst Laurel Highlands | Somerset, PA | State-Owned Utility | 1 | 8.7 GWh | Dec 2024 | - | ||
| General Electric Aircraft Engines | Somersworth, NH | Industrial | 3 | 7.7 GWh | Dec 2025 | - | ||
| YUMA County Water User's Association | Somerton, AZ | Independent Power Producer | 1 | 12.4 GWh | Dec 2024 | - | ||
| Alphastruxure Service Co LP | Somerville, MA | Independent Power Producer | 1 | 2.2 GWh | Dec 2024 | - | ||
| New Hope Power Company | South Bay, FL | Industrial | 1 | 60.2 GWh | Dec 2025 | - | ||
| Inovateus Solar, LLC | South Bend, IN | Independent Power Producer | 2 | 8.7 GWh | Dec 2024 | - | ||
| The Gillette Company | South Boston, MA | Industrial | 1 | 59.4 GWh | Dec 2025 | - | ||
| 158TH Fighter Wing | South Burlington, VT | Federally-Owned Utility | 1 | 1.3 GWh | Dec 2023 | - | ||
| Claire Solar Partners LLC | South Burlington, VT | Independent Power Producer | 1 | 3.6 GWh | Dec 2024 | - | ||
| Vineyard Reliability LLC | South Catham, MA | Independent Power Producer | 2 | 5.4 GWh | Dec 2024 | Sep 2025 | $1.05M | |
| Hoffer Plastics | South Elgin, IL | Industrial | 1 | 2.7 GWh | Dec 2025 | - | ||
| Boralex Hydro Operations Inc | South Glens Falls, NY | Independent Power Producer | 6 | 414.1 GWh | Dec 2024 | - | ||
| Boralex US Operations LLC | South Glens Falls, NY | Independent Power Producer | 15 | 4.2 TWh | Dec 2025 | - | ||
| Deseret Generation & TRAN Coop | South Jordan, UT | Cooperative | 2 | 3.6 TWh | Dec 2025 | - | ||
| Deseret Generation & Transmission Co-Operative, Inc. | South Jordan, UT | - | - | - | Oct 2025 | $336.66M | $7.17M | |
| Kennecott Utah Copper | South Jordan, UT | Industrial | 2 | 161.5 GWh | Dec 2025 | - | ||
| Liberty Utilities (Calpeco Electric) LLC | South Lake Tahoe, CA | Investor-Owned Utility | 3 | 115.5 GWh | Dec 2025 | Oct 2025 | $423.39k | $5.80M |
| C.N. Brown Electricity, LLC | South Paris, ME | - | - | - | Sep 2025 | $37.52k | $1.01M | |
| Jordache Enterprises | South Plainfield, NJ | Commercial | 1 | 1.5 GWh | Dec 2024 | - | ||
| Sunstrong Management, LLC | South Richmond, CA | Investor-Owned Utility | 2 | 5.9 GWh | Dec 2024 | - | ||
| New Hope Power Partnership | Southbay, FL | - | - | - | Sep 2025 | $277.57k | ||
| Southbridge Recycling And Disposal Park | Southbridge, MA | Independent Power Producer | 1 | 13.0 GWh | Dec 2024 | - | ||
| Utah Municipal Power Agency | Spanish Fork, UT | Political Subdivision | 3 | 891.4 GWh | Dec 2025 | Oct 2025 | $311.45M | |
| Aga Tag Solar III LLC | Spartanburg, SC | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| Atood Solar III LLC | Spartanburg, SC | Independent Power Producer | 1 | 2.9 GWh | Dec 2024 | - | ||
| JSD Flatwood PV-1, LLC | Spartanburg, SC | Independent Power Producer | 4 | 2.4 GWh | Dec 2024 | - | ||
| Limelight Solar II LLC | Spartanburg, SC | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| Spartanburg Commissioners PW | Spartanburg, SC | Municipally-Owned Utility | 1 | 1.8 GWh | Dec 2025 | - | ||
| City Of Spearfish | Spearfish, SD | Municipally-Owned Utility | 1 | 21.4 GWh | Dec 2024 | - | ||
| City Of Spencer - (Ia) | Spencer, IA | Municipally-Owned Utility | 1 | 772.3 MWh | Dec 2024 | - | ||
| Avista Corp | Spokane, WA | Investor-Owned Utility | 14 | 7.4 TWh | Dec 2025 | Oct 2025 | $54.87M | $32.57M |
| City Of Spokane | Spokane, WA | Municipally-Owned Utility | 2 | 198.6 GWh | Dec 2025 | - | ||
| Pixelle Specialty Solution, LLC | Spring Grove, PA | Industrial | 3 | 708.4 GWh | Dec 2025 | Oct 2025 | $944.05k | |
| Rockland Electric Company | Spring Valley, NY | - | - | - | Oct 2025 | $405.30 | $24.44M | |
| Springdale Energy LLC | Springdale, PA | Independent Power Producer | 2 | 4.6 TWh | Dec 2025 | Sep 2025 | $45.05M |
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 | Dec 2025 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | Dec 2025 | Natural Gas : 94.9% Bituminous Coal : 5.1% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | Dec 2025 | Nuclear |
| Bowen | Cartersville, Georgia | 12 TWh | Sep 1971 | Dec 2025 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | Dec 2025 | Nuclear |
| Browns Ferry | Decatur, Alabama | 30 TWh | Jul 1974 | Dec 2025 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 16 TWh | Oct 1975 | Dec 2025 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | Dec 2025 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | Dec 2025 | Nuclear |
| Catawba | York, South Carolina | 19 TWh | May 1985 | Dec 2025 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | Dec 2025 | Nuclear |
| Crystal River | Crystal River, Florida | 15 TWh | Sep 1966 | Dec 2025 | Natural Gas : 74.9% Bituminous Coal : 24.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | Dec 2025 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 18 TWh | Jul 1975 | Dec 2025 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | Dec 2025 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | Dec 2025 | Bituminous Coal : 99.5% Distillate Fuel Oil : 0.5% |
| Grand Coulee | Grand Coulee, Washington | 16 TWh | Feb 1941 | Dec 2025 | Water |
| Grand Gulf | Port Gibson, Mississippi | 11 TWh | Jun 1985 | Dec 2025 | Nuclear |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | Dec 2025 | Natural Gas |
| Hines Energy Complex | Bartow, Florida | 12 TWh | Mar 1999 | Dec 2025 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 17 TWh | Apr 1971 | Dec 2025 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | Dec 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Joseph M Farley | Columbia, Alabama | 13 TWh | Nov 1977 | Dec 2025 | Nuclear |
| Labadie | Labadie, Missouri | 17 TWh | May 1970 | Dec 2025 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 19 TWh | Dec 1983 | Dec 2025 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | Dec 2025 | Nuclear |
| McGuire | Huntersville, North Carolina | 20 TWh | Aug 1981 | Dec 2025 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | Dec 2025 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | Dec 2025 | Subbituminous Coal : 74.7% Bituminous Coal : 16.0% Petroleum Coke : 9.1% |
| Nine Mile Point Nuclear Station | Lycoming, New York | 16 TWh | Nov 1969 | Dec 2025 | Nuclear |
| North Anna | Mineral, Virginia | 15 TWh | May 1978 | Dec 2025 | Nuclear |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | Dec 2025 | Nuclear |
| Okeechobee Clean Energy Center | Okeechobee, Florida | 12 TWh | Feb 2019 | Dec 2025 | Natural Gas |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | Dec 2025 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | Dec 2025 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | Dec 2025 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | Dec 2025 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | Dec 2025 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | Dec 2025 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 13 TWh | Jun 1981 | Dec 2025 | Nuclear |
| South Texas Project | Wadsworth, Texas | 22 TWh | Jul 1988 | Dec 2025 | Nuclear |
| St Lucie | Jensen Beach, Florida | 16 TWh | Apr 1976 | Dec 2025 | Nuclear |
| Surry | Surry, Virginia | 13 TWh | Nov 1972 | Dec 2025 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | Dec 2025 | Nuclear |
| Turkey Point | Homestead, Florida | 21 TWh | Mar 1967 | Dec 2025 | Nuclear : 68.7% Natural Gas : 31.3% |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | Dec 2025 | Nuclear |
| W A Parish | Thompsons, Texas | 16 TWh | May 1958 | Dec 2025 | Subbituminous Coal : 83.3% Natural Gas : 16.7% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 16 TWh | Apr 1996 | Dec 2025 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 19 TWh | Jul 2009 | Dec 2025 | Natural Gas : 99.9% |