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 |
|---|---|---|---|---|---|---|---|---|
| Ohio Power Partners, LLC | Middletown, OH | Independent Power Producer | 1 | 3.6 TWh | May 2026 | Oct 2025 | $23.60M | |
| Old 300 Solar Center, LLC | Austin, TX | Independent Power Producer | 1 | 990.2 GWh | May 2026 | - | ||
| Old Court RD Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 3.4 GWh | Dec 2025 | - | ||
| Old Frontier Solar III PV, LLC | Boston, MA | Independent Power Producer | 1 | 4.0 GWh | Dec 2025 | - | ||
| Old Gold Energy Center, LLC | Joice, IA | Independent Power Producer | 1 | 65.1 GWh | Dec 2025 | Oct 2025 | $121.04k | |
| Old Mill Solar | Juno Beach, FL | Independent Power Producer | 1 | 7.4 GWh | Dec 2025 | - | ||
| Old Settler Wind, LLC | Houston, TX | Independent Power Producer | 1 | 604.6 GWh | May 2026 | - | ||
| NRG VIenna Operations Inc | Vienna, MD | Independent Power Producer | 1 | 4.3 GWh | Dec 2024 | - | ||
| Oleander Holdings LLC | Juno Beach, FL | Independent Power Producer | 1 | 598.3 GWh | Dec 2025 | - | ||
| Olinda Trail Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | ||
| Oliver Wind III, LLC | Juno Beach, FL | Independent Power Producer | 1 | 400.2 GWh | May 2026 | Sep 2025 | $2.15M | |
| Oliver Wind IV, LLC | Juno Beach, FL | Independent Power Producer | 1 | 875.5 GWh | May 2026 | Oct 2025 | $2.70M | |
| Olmstead Solar II, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.7 GWh | Dec 2025 | - | ||
| Olney Solar II, LLC | Boston, MA | Independent Power Producer | 1 | 4.5 GWh | Dec 2025 | - | ||
| OLS Energy-Agnews Inc. | Dublin, CA | Independent Power Producer | 1 | 9.5 GWh | Dec 2025 | Oct 2025 | $0 | |
| Olsen Power Partners | Annapolis, MD | Independent Power Producer | 1 | 16.6 GWh | Dec 2025 | - | ||
| Omnis Pleasants, LLC | Santa Barbara, CA | Independent Power Producer | 1 | 1.1 TWh | May 2026 | Oct 2025 | $7.21M | |
| One Ten Partners, LLC | LOS Angeles, CA | Independent Power Producer | 1 | 5.8 GWh | Dec 2025 | - | ||
| Oneenergy, Inc. | Seattle, WA | Independent Power Producer | 22 | 4.2 GWh | Dec 2025 | - | ||
| Oneida DG Solar, LLC | Juno Beach, FL | Independent Power Producer | - | 5.1 GWh | Dec 2024 | - | ||
| Niagara Depot Solar, LLC | Boston, MA | Independent Power Producer | 1 | 5.5 GWh | Dec 2025 | - | ||
| Nextera Energy Seiling Wind | Juno Beach, FL | Independent Power Producer | 2 | 777.9 GWh | Dec 2025 | - | ||
| Nextera Renewable Fuels, LLC | Allentown, PA | Independent Power Producer | 33 | 503.0 GWh | May 2026 | Oct 2025 | $4.38M | $2.19M |
| Nextera Wolf Ridge LLC | Juno Beach, FL | Independent Power Producer | 1 | 385.5 GWh | Dec 2025 | - | ||
| Nexteraenergy | Juno Beach, FL | Independent Power Producer | 1 | 204.6 GWh | May 2026 | Feb 2014 | ||
| Nextgrid Bitterbush, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.4 GWh | Dec 2025 | - | ||
| Nextgrid Cliffrose, LLC | San Francisco, CA | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| Nextgrid Corkwood, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.0 GWh | Dec 2025 | - | ||
| Nextgrid Mangrove, LLC | San Francisco, CA | Independent Power Producer | 1 | 6.5 GWh | Dec 2025 | - | ||
| Nextgrid Mastic, LLC | San Francisco, CA | Independent Power Producer | 1 | 5.0 GWh | Dec 2025 | - | ||
| Nextgrid Peppertree, LLC | San Francisco, CA | Independent Power Producer | 1 | 7.0 GWh | Dec 2025 | - | ||
| NFI Solar LLC | Camden, NJ | Independent Power Producer | 3 | 6.3 GWh | Dec 2025 | - | ||
| NGI-Kayenta Solar Lessor I, LLC | Fort Defiance, AZ | Independent Power Producer | 1 | 134.5 GWh | May 2026 | - | ||
| NGP Blue Mountain I LLC | Winnemucca, NV | Independent Power Producer | 1 | 189.1 GWh | Dec 2025 | Sep 2025 | $3.15M | |
| Nextera Energy Seabrook LLC | Juno Beach, FL | Independent Power Producer | 1 | 10.8 TWh | May 2026 | Oct 2025 | $119.57M | $35.44k |
| Niagara Wind Power LLC | Boston, MA | Independent Power Producer | - | - | Dec 2011 | Oct 2025 | $580.10k | |
| Nickelson Solar 2, LLC | Miami, FL | Independent Power Producer | 1 | 9.9 GWh | Dec 2025 | - | ||
| Nicolis, LLC | Pasadena, CA | Independent Power Producer | - | - | Dec 2019 | Sep 2025 | $1.33M | |
| Niles Power, LLC | Chicago, IL | Independent Power Producer | 1 | 182.0 MWh | Dec 2025 | Oct 2025 | $308.50k | |
| Nine Mile Point Nuclear STA LLC | Lycoming, NY | Independent Power Producer | - | - | Dec 2014 | Oct 2025 | $144.30M | |
| Ninnescah Wind Energy LLC | Juno Beach, FL | Independent Power Producer | 1 | 831.7 GWh | May 2026 | Sep 2025 | $4.59M | |
| Nissequoque Cogen Partners | Stonybrook, NY | Independent Power Producer | 1 | 315.7 GWh | Dec 2025 | - | ||
| Niyol Wind, LLC | Juno Beach, FL | Independent Power Producer | 1 | 847.7 GWh | May 2026 | Sep 2025 | $3.15M | |
| NJR Clean Energy Ventures Corporation | Wall, NJ | Independent Power Producer | 71 | 465.7 GWh | Dec 2025 | - | ||
| Nobles 2 Power Partners, LLC | Omaha, NE | Independent Power Producer | 1 | 1.0 TWh | May 2026 | Sep 2025 | $4.77M | |
| Norridgewock River Road Solar, LLC | Jersey City, NJ | Independent Power Producer | 1 | 8.4 GWh | Dec 2025 | - | ||
| North 301 Solar, LLC | New York, NY | Independent Power Producer | 1 | 42.5 GWh | May 2026 | - | ||
| Newman Solar LLC | New York, NY | Independent Power Producer | 1 | 16.7 GWh | Dec 2025 | - | ||
| New Castle Power, LLC | Chicago, IL | Independent Power Producer | 1 | 727.0 GWh | Dec 2025 | Oct 2025 | $11.28M | |
| New Columbia Solar | Washington, DC | Independent Power Producer | 3 | 2.9 GWh | Dec 2025 | - | ||
| New Creek Wind, LLC | New Creek, WV | Independent Power Producer | 1 | 289.1 GWh | May 2026 | Oct 2025 | $3.17M | |
| New Germany Solar I LLC | Denver, CO | Independent Power Producer | 1 | 1.6 GWh | Dec 2025 | - | ||
| New Hampshire Hydro Associates | Penacook, NH | Independent Power Producer | 1 | 2.8 GWh | Dec 2025 | - | ||
| New Harquahala Generating Co, LLC | Plano, TX | Independent Power Producer | 1 | 3.2 TWh | May 2026 | Oct 2025 | $32.75M | |
| New Market Solar | Oakville, ON | Independent Power Producer | 1 | 220.9 GWh | May 2026 | - | ||
| New Martinsville Hannibal Hydro | New Martinville, WV | Independent Power Producer | 1 | 213.4 GWh | Dec 2025 | - | ||
| New Munich Solar LLC | San Francisco, CA | Independent Power Producer | 1 | 2.0 GWh | Dec 2025 | - | ||
| New York University | New York, NY | Independent Power Producer | 1 | 86.0 GWh | Dec 2025 | - | ||
| New York Zoological Society | Bronx, NY | Independent Power Producer | 1 | 22.5 GWh | Dec 2025 | - | ||
| Newfield Solar LLC | Boston, MA | Independent Power Producer | 1 | 8.5 GWh | Dec 2025 | - | ||
| North American Biofuels, LLC | Carmel, IN | Independent Power Producer | 2 | 10.0 GWh | May 2026 | - | ||
| Newport Solar, LLC | Jackson, MI | Independent Power Producer | 1 | 386.5 GWh | May 2026 | Sep 2025 | $3.25M | |
| Newton Municipal Solar LLC - Rumford | Framingham, MA | Independent Power Producer | 1 | 2.3 GWh | Dec 2025 | - | ||
| Nexamp Peak, LLC | Boston, MA | Independent Power Producer | 1 | 2.1 GWh | Dec 2025 | - | ||
| Nexamp Treasure Valley Solar, LLC | Beltsville, MD | Independent Power Producer | 1 | 6.5 GWh | Dec 2025 | - | ||
| Nextera Energy Desert Sunlight 250, LLC | Juno Beach, FL | Independent Power Producer | 1 | 554.7 GWh | Dec 2025 | - | ||
| Nextera Energy Desert Sunlight 300, LLC | Juno Beach, FL | Independent Power Producer | 1 | 665.6 GWh | Dec 2025 | - | ||
| Nextera Energy Majestic Wind | Juno Beach, FL | Independent Power Producer | 2 | 570.3 GWh | Dec 2025 | - | ||
| Nextera Energy Montezuma Wind II, LLC | Juno Beach, FL | Independent Power Producer | 1 | 200.9 GWh | Dec 2025 | - | ||
| Nextera Energy Mountain VIew Solar | Juno Beach, FL | Independent Power Producer | 1 | 57.8 GWh | May 2026 | - | ||
| MM Lopez Energy LLC | Lockport, NY | Independent Power Producer | 1 | 28.0 GWh | Dec 2025 | - | ||
| Nextera Energy Resources Breckinridge | Juno Beach, FL | Independent Power Producer | 1 | 319.9 GWh | Dec 2025 | - | ||
| Nextera Energy Resources Ensign Wind | Juno Beach, FL | Independent Power Producer | 10 | 988.1 GWh | Dec 2025 | Jun 2024 | ||
| NRG Chalk Point CT | Aquasco, MD | Independent Power Producer | 1 | 19.3 GWh | May 2026 | Sep 2025 | $1.36M | |
| Northstar Clean Energy | Jackson, MI | Independent Power Producer | 2 | 319.7 GWh | Dec 2025 | - | ||
| Northstar MACY's Maryland 2015, LLC | Scottsdale, AZ | Independent Power Producer | 1 | 3.2 GWh | May 2026 | - | ||
| Northumberland Solar, LLC | Arlington, VA | Independent Power Producer | 1 | 65.9 GWh | May 2026 | Sep 2025 | ||
| Northwest Ohio Wind, LLC | Haviland, OH | Independent Power Producer | 1 | 324.9 GWh | May 2026 | Oct 2025 | $2.84M | |
| Norwest Energy 7, LLC | Charlotte, NC | Independent Power Producer | - | 18.4 GWh | Dec 2024 | - | ||
| Nostrand Solar, LLC | San Francisco, CA | Independent Power Producer | 1 | 4.6 GWh | Dec 2025 | - | ||
| Notus Clean Energy LLC | E. Falmouth, MA | Independent Power Producer | 1 | 5.4 GWh | Dec 2025 | - | ||
| Nova Power, LLC | Houston, TX | Independent Power Producer | 1 | -144.4 GWh | May 2026 | Jul 2025 | $29.54M | |
| Novis Renewables, LLC | Irvington, NY | Independent Power Producer | 23 | 292.2 GWh | May 2026 | - | ||
| Novo Biopower LLC | Snowflake, AZ | Independent Power Producer | 1 | 216.7 GWh | Dec 2025 | Sep 2025 | $6.43M | |
| NRG California Peaker Operations LLC | Carlsbad, CA | Independent Power Producer | 1 | 216.0 GWh | May 2026 | - | ||
| NRG Cedar Bayou Development Company LLC | Houston, TX | Independent Power Producer | 1 | 2.4 TWh | Dec 2025 | - | ||
| Northfield Holdco LLC | Princeton, NJ | Independent Power Producer | 1 | 8.6 GWh | Dec 2025 | - | ||
| NRG Energy Center Eagles LLC | Princeton, NJ | Independent Power Producer | 1 | 2.8 GWh | Dec 2024 | - | ||
| NRG Energy Gas & Wind Holdings Inc | Princeton, NJ | Independent Power Producer | 2 | 363.1 GWh | May 2026 | - | ||
| NRG Energy Inc | Independent Power Producer | 1 | 293.3 GWh | Dec 2025 | - | |||
| NRG MN Community LLC | San Franciso, CA | Independent Power Producer | 2 | 15.9 GWh | Dec 2025 | - | ||
| NRG Renew Canal 1 LLC | Princeton, NJ | Independent Power Producer | 1 | 2.0 GWh | Dec 2024 | - | ||
| NRG Solar Blythe | Blythe, CA | Independent Power Producer | 1 | 41.6 GWh | Dec 2025 | Sep 2018 | ||
| NRG Solar Blythe II LLC | Independent Power Producer | 1 | 43.4 GWh | Dec 2025 | - | |||
| NRG Solar Borrego I | Scottsdale, AZ | Independent Power Producer | 1 | 64.5 GWh | Dec 2025 | - | ||
| NRG Solar Las Vegas MB-1 | Carlsbad, CA | Independent Power Producer | 2 | 14.3 GWh | Dec 2025 | - | ||
| NRG Solar Roadrunner | Santa Teresa, NM | Independent Power Producer | 1 | 49.5 GWh | Dec 2025 | Sep 2018 | ||
| NRG Texas Power LLC | Houston, TX | Independent Power Producer | 10 | 28.5 TWh | May 2026 | - | ||
| NRG THW GT LLC | Princeton, NJ | Independent Power Producer | 1 | 12.0 GWh | May 2026 | - | ||
| North Side Energy Company | Jerome, ID | Independent Power Producer | 3 | 52.8 GWh | Oct 2025 | - |
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 | May 2026 | Nuclear |
| Barry | Bucks, Alabama | 12 TWh | Jan 1954 | May 2026 | Natural Gas : 97.1% Bituminous Coal : 2.9% |
| Beaver Valley | Shippingport, Pennsylvania | 15 TWh | Aug 1976 | May 2026 | Nuclear |
| Bowen | Cartersville, Georgia | 13 TWh | Sep 1971 | May 2026 | Bituminous Coal : 99.8% |
| Braidwood Generation Station | Braceville, Illinois | 20 TWh | Jun 1988 | May 2026 | Nuclear |
| Browns Ferry | Decatur, Alabama | 31 TWh | Jul 1974 | May 2026 | Nuclear |
| Brunswick Nuclear | Southport, North Carolina | 15 TWh | Oct 1975 | May 2026 | Nuclear |
| Byron Generating Station | Byron, Illinois | 20 TWh | Aug 1985 | May 2026 | Nuclear |
| Calvert Cliffs Nuclear Power Plant | Lusby, Maryland | 15 TWh | Apr 1975 | May 2026 | Nuclear |
| Catawba | York, South Carolina | 18 TWh | May 1985 | May 2026 | Nuclear |
| Comanche Peak | Glen Rose, Texas | 20 TWh | Jul 1990 | May 2026 | Nuclear |
| Crystal River | Crystal River, Florida | 16 TWh | Sep 1966 | May 2026 | Natural Gas : 68.9% Bituminous Coal : 30.9% |
| Diablo Canyon | Avila Beach, California | 18 TWh | Apr 1985 | May 2026 | Nuclear |
| Donald C Cook | Bridgman, Michigan | 19 TWh | Jul 1975 | May 2026 | Nuclear |
| Dresden Generating Station | Morris, Illinois | 15 TWh | Jul 1970 | May 2026 | Nuclear |
| Edwin I Hatch | Baxley, Georgia | 14 TWh | Nov 1975 | May 2026 | Nuclear |
| Gavin Power, LLC | Cheshire, Ohio | 13 TWh | Sep 1974 | May 2026 | Bituminous Coal : 99.6% |
| Grand Coulee | Grand Coulee, Washington | 18 TWh | Feb 1941 | May 2026 | Water |
| Guernsey Power Station | Byesville, Ohio | 12 TWh | Jan 2023 | May 2026 | Natural Gas |
| H Allen Franklin Combined Cycle | Smiths, Alabama | 12 TWh | May 2002 | May 2026 | Natural Gas |
| Jack McDonough | Smyrna, Georgia | 18 TWh | Apr 1971 | May 2026 | Natural Gas |
| James H Miller Jr | Quinton, Alabama | 19 TWh | Sep 1978 | May 2026 | Subbituminous Coal : 99.0% Natural Gas : 1.0% |
| Joseph M Farley | Columbia, Alabama | 15 TWh | Nov 1977 | May 2026 | Nuclear |
| Labadie | Labadie, Missouri | 15 TWh | May 1970 | May 2026 | Subbituminous Coal : 99.9% |
| LaSalle Generating Station | Marseilles, Illinois | 18 TWh | Dec 1983 | May 2026 | Nuclear |
| Limerick | Sanatoga, Pennsylvania | 19 TWh | Jan 1986 | May 2026 | Nuclear |
| McGuire | Huntersville, North Carolina | 19 TWh | Aug 1981 | May 2026 | Nuclear |
| Millstone | Waterford, Connecticut | 17 TWh | Nov 1975 | May 2026 | Nuclear |
| Monroe (MI) | Monroe, Michigan | 16 TWh | Oct 1969 | May 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 | May 2026 | Nuclear |
| North Anna | Mineral, Virginia | 16 TWh | May 1978 | May 2026 | Nuclear |
| Oak Grove (TX) | Franklin, Texas | 12 TWh | Mar 2010 | May 2026 | Lignite Coal : 99.1% Natural Gas : 0.9% |
| Oconee | Seneca, South Carolina | 22 TWh | Jun 1973 | May 2026 | Nuclear |
| Palo Verde | Wintersburg, Arizona | 31 TWh | Dec 1985 | May 2026 | Nuclear |
| Peach Bottom | Delta, Pennsylvania | 22 TWh | Jun 1974 | May 2026 | Nuclear |
| Prairie State Generating Station | Marissa, Illinois | 12 TWh | May 2012 | May 2026 | Bituminous Coal : 99.8% |
| PSEG Salem Generating Station | Hancocks Bridge, New Jersey | 19 TWh | May 1971 | May 2026 | Nuclear |
| Quad Cities Generating Station | Cordova, Illinois | 15 TWh | Nov 1972 | May 2026 | Nuclear |
| Robert Moses Niagara | Lewiston, New York | 14 TWh | Dec 1960 | May 2026 | Water |
| Sequoyah | Soddy Daisy, Tennessee | 17 TWh | Jun 1981 | May 2026 | Nuclear |
| South Texas Project | Wadsworth, Texas | 21 TWh | Jul 1988 | May 2026 | Nuclear |
| St Lucie | Jensen Beach, Florida | 15 TWh | Apr 1976 | May 2026 | Nuclear |
| Surry | Surry, Virginia | 12 TWh | Nov 1972 | May 2026 | Nuclear |
| TalenEnergy Susquehanna | Berwick, Pennsylvania | 19 TWh | May 1983 | May 2026 | Nuclear |
| Turkey Point | Homestead, Florida | 20 TWh | Mar 1967 | May 2026 | Nuclear : 64.2% Natural Gas : 35.8% |
| Union Power Station | El Dorado, Arkansas | 12 TWh | Dec 2002 | May 2026 | Natural Gas |
| Vogtle | Waynesboro, Georgia | 37 TWh | Apr 1987 | May 2026 | Nuclear |
| W A Parish | Thompsons, Texas | 14 TWh | May 1958 | May 2026 | Subbituminous Coal : 81.6% Natural Gas : 18.4% |
| Watts Bar Nuclear Plant | Spring City, Tennessee | 20 TWh | Apr 1996 | May 2026 | Nuclear |
| West County Energy Center | Loxahatchee, Florida | 18 TWh | Jul 2009 | May 2026 | Natural Gas |