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 |
|---|---|---|---|---|---|---|---|---|
| Mammoth One LLC | Reno, NV | - | - | - | Sep 2025 | $2.45M | ||
| Mammoth Three LLC | Reno, NV | - | - | - | Sep 2025 | $1.30M | ||
| Mankato Energy Center II, LLC | Denver, CO | - | - | - | Sep 2025 | $8.68M | ||
| Mankato Energy Center, LLC | Denver, CO | - | - | - | Sep 2025 | $11.95M | ||
| Manzana Wind LLC | Portland, OR | - | - | - | Sep 2025 | $15.52M | ||
| Maple Flats Solar Energy Center LLC | Ashwaubenon, WI | - | - | - | Sep 2025 | $6.22M | ||
| Marco DM Holdings, L.L.C. | Houston, TX | - | - | - | Jun 2025 | $14.46M | $14.46M | |
| Marengo Battery Storage LLC | Marengo TWP, IL | Commercial | 1 | - | Mar 2025 | Sep 2025 | $2.48 | |
| Maricopa West Solar PV, LLC | San Francisco, CA | Independent Power Producer | - | - | - | Sep 2025 | $968.50k | |
| Mariposa Energy, LLC | LOS Angeles, CA | - | - | - | Oct 2025 | $4.70M | ||
| Marshall Wind Energy LLC | De SOTO, IA | Independent Power Producer | - | - | - | Sep 2025 | $2.64M | |
| Martinsville Onsite Generation, LLC | Columbus, OH | - | - | - | Sep 2025 | $240.52k | ||
| Maven Energy, LLC | Birmingham, AL | - | - | - | Sep 2025 | $16.50k | ||
| Mayflower Power & Gas LLC | Birmingham, AL | - | - | - | Sep 2025 | $25.22k | ||
| MC Project Company LLC | Houston, TX | - | - | - | Oct 2025 | $45.56M | ||
| McFarland Solar A, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.62M | $1.26M | |
| McFarland Solar B, LLC | Louisville, CO | - | - | - | Sep 2025 | $3.76M | ||
| McFarland Storage C, LLC | Louisville, CO | - | - | - | Sep 2025 | $2.29M | ||
| McKittrick Limited | Bakersfield, CA | Independent Power Producer | - | - | Dec 2015 | Sep 2025 | $1.58M | |
| Median Energy Corp. | Brooklyn, NY | - | - | - | Sep 2025 | $4.53k | ||
| Mehoopany Wind Energy LLC | Houston, TX | - | - | - | Sep 2025 | $5.85M | ||
| Mendota Hills, LLC | Dallas, TX | - | - | - | Oct 2025 | $1.24M | ||
| Mercuria Energy America, LLC | Houston, TX | - | - | - | Oct 2025 | $337.45M | $107.26M | |
| Merrill Lynch Commodities, Inc. | Houston, TX | - | - | - | Oct 2025 | $40.48M | $24.54M | |
| Mesquite Solar 1, LLC | Tonopah, AZ | - | - | Dec 2017 | Oct 2025 | $17.90M | ||
| Mesquite Solar 2, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $5.27M | |
| Mesquite Solar 3, LLC | Tonopah, AZ | Investor-Owned Utility | - | - | Dec 2017 | Oct 2025 | $7.75M | |
| Mesquite Solar 4, LLC | Valhalla, NY | - | - | - | Oct 2025 | $1.72M | ||
| Mesquite Solar 5, LLC | Valhalla, NY | - | - | - | Oct 2025 | $2.23M | ||
| Messer Energy Services, Inc. | Bethlehem, PA | - | - | - | Oct 2025 | $1.90M | ||
| Metcalf Energy Center, LLC | Houston, TX | - | - | - | Oct 2025 | $19.82M | ||
| Meyersdale Storage, LLC | Houston, TX | - | - | - | Oct 2025 | $1.38M | ||
| Meyersdale Windpower, LLC | Birmingham, AL | - | - | - | Oct 2025 | $283.48k | ||
| MFT Energy US Power LLC | Washington, DC | - | - | - | Sep 2025 | $8.15M | ||
| Miami Fort Power Company LLC | Irving, TX | - | - | - | Oct 2025 | $67.58M | ||
| Microsoft Energy LLC | Redmond, WA | - | - | - | Oct 2025 | $1.20M | $20.97M | |
| Middletown Coke Company, LLC | Lisle, IL | - | - | - | Oct 2025 | $4.29M | ||
| Midland Wind, LLC | Portland, OR | - | - | - | Sep 2025 | $2.50M | ||
| Midlands Lessee LLC | Austin, TX | - | - | - | Sep 2025 | $1.56M | $741.06k | |
| Midlands Solar LLC | Austin, TX | - | - | - | Sep 2025 | $741.06k | ||
| Midway Peaking LLC | San Diego, CA | Independent Power Producer | - | - | Dec 2013 | Oct 2025 | $3.24M | |
| Milford Solar I, LLC | New York, NY | - | - | - | Sep 2025 | $2.24B | ||
| Milford Wind Corridor Phase I LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Sep 2025 | $2.44M | $34.09k |
| Milford Wind Corridor Phase II, LLC | Boston, MA | - | - | - | Sep 2025 | $2.05M | $18.54k | |
| Mill Run Windpower LLC | Birmingham, AL | - | - | - | Oct 2025 | $147.06k | ||
| Millican Solar Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $1.11M | ||
| Minndakota Wind LLC | Portland, OR | - | - | - | Sep 2025 | $1.77M | ||
| Mirabito Power & Gas, LLC | Binghamton, NY | - | - | - | Oct 2025 | $134.11k | $356.39k | |
| Missisquoi, LLC | East Brunswick, NJ | - | - | - | Sep 2025 | $1.45M | ||
| Missouri Joint Municipal Electric Utility Commission | Columbia, MO | - | - | - | Oct 2025 | $46.71M | $10.83M | |
| Mitsui Bussan Commodities, Ltd. | New York, NY | - | - | - | Sep 2025 | $13.34M | ||
| Mitsui & Co. Energy Marketing And Services (USA), Inc | Houston, TX | - | - | - | Sep 2025 | $917.46k | $264.82k | |
| S.J. Energy Partners, Inc. | Tampa, FL | - | - | - | Oct 2025 | $7.45k | $222.98k | |
| Safe Harbor Water Power Corp | Conestoga, PA | Investor-Owned Utility | - | - | Dec 2011 | Sep 2025 | $5.89M | |
| Sage Solar I LLC | Pittsburgh, PA | - | - | - | Sep 2025 | $656.16k | ||
| Sage Solar II LLC | Pittsburgh, PA | - | - | - | Sep 2025 | $655.35k | ||
| Sage Solar III LLC | Pittsburgh, PA | - | - | - | Sep 2025 | $601.82k | ||
| Sagebrush Ess II, LLC | New York, NY | - | - | - | Oct 2025 | $5.24M | ||
| Sagebrush Ess, LLC | Mojave, CA | Independent Power Producer | - | - | - | Oct 2025 | $2.66M | |
| Salt Creek Township Solar, LLC | St. Louis, MO | - | - | - | Sep 2025 | $1.52M | ||
| Samchully Power & Utilities 1 LLC | Shorewood, MN | - | - | - | Sep 2025 | $2.83M | ||
| San Gorgonio Westwinds II, LLC | New York, NY | - | - | - | Oct 2025 | $2.50M | ||
| San Gorgonio Westwinds II - Windustries, LLC | New York, NY | - | - | - | Oct 2025 | $590.04k | ||
| San Juan Mesa Wind Project, LLC | Houston, TX | - | - | - | Sep 2025 | $2.56M | ||
| San Juan Solar 1, LLC | New York, NY | - | - | - | Sep 2025 | $5.24M | ||
| San LUIS Solar LLC | Portland, OR | - | - | - | Sep 2025 | $2.72M | ||
| San Pablo Raceway, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Sep 2025 | $3.08M | |
| Sand Drag LLC | San Diego, CA | - | - | - | Sep 2025 | $2.36M | ||
| Sandstone Solar LLC | Louisville, CO | - | - | - | Sep 2025 | $2.02M | ||
| Sapphire Sky Wind Energy LLC | Ashwaubenon, WI | - | - | - | Oct 2025 | $6.11M | ||
| Sappi North America, Inc. | Westbrook, ME | - | - | - | Sep 2025 | $265.71k | ||
| Scef1 Fuel Cell, LLC | Danbury, CT | - | - | - | Sep 2025 | $575.13k | ||
| Scott-Ii Solar LLC | Richmond, VA | - | - | - | Oct 2025 | $616.15k | ||
| Seattle City Light | Seattle, WA | - | - | - | Oct 2025 | $19.08M | $6.77M | |
| Second Imperial Geothermal Company LLC | Reno, NV | - | - | - | Sep 2025 | $2.95M | ||
| Selmer Farm, LLC | New York, NY | - | - | - | Sep 2025 | $611.73k | ||
| Sempra Gas & Power Marketing, LLC | San Diego, CA | - | - | - | Oct 2025 | $43.05M | $28.40M | |
| Seneca Energy, II LLC | Oakfield, NY | - | - | - | Sep 2025 | $3.76M | ||
| Settlers Trail Wind Farm, LLC | Chicago, IL | - | - | - | Oct 2025 | $2.00M | ||
| Seward Generation, LLC | Latrobe, PA | - | - | - | Oct 2025 | $38.85M | ||
| SG2 Imperial Valley LLC | Birmingham, AL | - | - | - | Sep 2025 | $12.71M | ||
| Sheldon Energy LLC | Chicago, IL | - | - | - | Oct 2025 | $2.94M | ||
| Shell Energy North America (US), L.P. | Houston, TX | - | - | - | Oct 2025 | $2.25B | $298.44M | |
| Shiloh I Wind Project, LLC | Portland, OR | - | - | - | Sep 2025 | $6.68M | ||
| Shiloh III Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $11.65M | ||
| Shiloh IV Lessee, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $9.73M | ||
| Shiloh Wind Project 2, LLC | Phoenix, AZ | - | - | - | Oct 2025 | $10.41M | ||
| Shipley Choice, LLC | York, PA | - | - | - | Oct 2025 | $1.88M | $2.12M | |
| Shoe Creek Solar, LLC | Santa Monica, CA | Independent Power Producer | - | - | - | Sep 2025 | $2.27M | |
| Shooting Star Wind Project, LLC | Baltimore, MD | - | - | - | Sep 2025 | $1.46M | ||
| Shoreham Energy LLC | Schaumburg, IL | Independent Power Producer | - | - | Dec 2023 | Sep 2025 | $2.33M | |
| Shoreham Solar Commons | Shoreham, NY | Independent Power Producer | - | - | Dec 2021 | Sep 2025 | $2.51M | |
| Sidney, LLC | Washington, DC | - | - | - | Oct 2025 | $190.51k | ||
| Sierra Bess LLC | Houston, TX | - | - | - | Sep 2025 | $394.30 | ||
| Sierra Solar Greenworks LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Silver Peak Energy, LLC | Louisville, CO | - | - | - | Sep 2025 | $1.26M | ||
| Silver Sage Windpower, LLC | Charlotte, NC | - | - | - | Sep 2025 | $1.61M | ||
| Skipjack Solar Center, LLC | Salt Lake City, UT | Independent Power Producer | - | - | - | Oct 2025 | $5.48M | |
| Skookumchuck Wind Energy Project, LLC | Birmingham, AL | - | - | - | Sep 2025 | $3.29M | ||
| Skysol, LLC | Irvine, CA | - | - | - | Sep 2025 | $1.78M |
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% |