Southern Company is an American gas and electric utility holding company based in the Southern United States. It is headquartered in Atlanta, Georgia, with executive offices located in Birmingham, Alabama. As of 2021 it is the second largest utility company in the U.S. in terms of customer base. Through its subsidiaries it serves 9 million gas and electric utility customers in 6 states. Southern Company's regulated regional electric utilities serve a 120,000-square-mile (310,000 km2) territory with 27,000 miles (43,000 km) of distribution lines.
The North Anna Nuclear Generating Station is a nuclear power plant on a 1,075-acre (435 ha) site in Louisa County, Virginia, in the Mid-Atlantic United States. The site is operated by Dominion Generation company and is jointly owned by the Dominion Virginia Power corporation (88.4%) and by the Old Dominion Electric Cooperative (11.6%).
Surry Power Station is a nuclear power plant located in Surry County in southeastern Virginia, in the South Atlantic United States. The power station lies on an 840-acre (340 ha) site adjacent to the James River across from Jamestown, slightly upriver from Smithfield and Newport News. Surry is operated by Dominion Generation and owned by Dominion Resources, Inc.
Exelon Corporation is a public utility headquartered in Chicago, and incorporated in Pennsylvania. Exelon is the largest electric parent company in the United States by revenue and is the largest regulated electric utility in the United States with approximately 10 million customers. The company is ranked 99th on the Fortune 500.
FirstEnergy Corp. is a privately owned electric utility headquartered in Akron, Ohio. It was established when Ohio Edison merged with Centerior Energy in 1997. Its subsidiaries and affiliates are involved in the distribution, transmission, and generation of electricity, as well as energy management and other energy-related services. Its ten electric utility operating companies comprise one of the United States' largest investor-owned utilities, based on serving 6 million customers within a 65,000-square-mile (170,000 km2) area of Ohio, Pennsylvania, West Virginia, Virginia, Maryland, New Jersey, and New York. Its generation subsidiaries control more than 16,000 megawatts of capacity, and its distribution lines span over 194,000 miles. In 2018, FirstEnergy ranked 219 on the Fortune 500 list of the largest public corporations in the United States by revenue.
Allegheny Energy was an electric utility headquartered in Greensburg, Pennsylvania. It owned and operated electric generation facilities and delivered electric services to customers in Pennsylvania, West Virginia, Maryland, and Virginia. Allegheny Energy was incorporated in Maryland in 1925 as West Penn Electric Company. One of its predecessor companies dates back to the formation of West Penn Power on January 31, 1907.
Pepco Holdings was a holding company incorporated in February 2001 for the purpose of effecting the acquisition of Conectiv Power Delivery by Potomac Electric Power Company. The acquisition was completed on August 1, 2002, at which time Pepco and Conectiv became wholly owned subsidiaries of PHI. Conectiv itself had been formed in 1998 to be the holding company of Delmarva Power & Light Company and Atlantic City Electric Company (ACE) in connection with the combination of DPL and ACE. In 2005, PHI resumed the use of the Delmarva Power and ACE brands for purposes of operations, with the result that Conectiv Energy was the only remaining Conectiv brand and was restricted for PHI's energy production facilities. Operations of the various companies controlled by Pepco Holdings take place in the Mid-Atlantic states of the United States. Pepco serves Washington, D.C., and its Maryland suburbs, Delmarva Power serves the Delaware and Maryland portions of the Delmarva Peninsula, and Atlantic City Electric serves South Jersey. In 2008, Delmarva Power sold its service area in the Virginia portion of the peninsula to A&N Electric Cooperative and Old Dominion Electric Cooperative for US$44 million. In April 2010, Conectiv Energy was sold to Calpine Corporation.
NRG Energy, Inc. is an American energy company, headquartered in Houston, Texas. It was formerly the wholesale arm of Northern States Power Company (NSP), which became Xcel Energy, but became independent in 2000. NRG Energy is involved in energy generation and retail electricity. Their portfolio includes natural gas generation, coal generation, oil generation, nuclear generation, wind generation, utility-scale generation, and distributed solar generation. NRG serves over 7 million retail customers in 24 US states including Texas, Connecticut, Delaware, Illinois, Maryland, Massachusetts, New Jersey, New York, Pennsylvania, Ohio; the District of Columbia, and eight provinces in Canada.
Santee Cooper, also known officially from the 1930s as the South Carolina Public Service Authority, is South Carolina's state-owned electric and water utility that came into being during the New Deal as both a rural electrification and public works project that created two lakes and cleared large tracts of land while building hydro-electric dams and power plants. Its headquarters are located in Moncks Corner, South Carolina.
SCANA Corporation was an American regulated electric and natural gas public utility. The company was based in Cayce, South Carolina, a suburb of Columbia, South Carolina. Following the Nukegate scandal, the company's stock fell and the company was in disrepair. In January 2019, SCANA was acquired by Dominion Energy. The corporate name SCANA was not an acronym, but was taken from the letters in South Carolina.
Choptank Electric Cooperative is a nonprofit utility cooperative that distributes electricity to rural areas in the Eastern Shore region of the state of Maryland. The cooperative, which was founded in 1938, is headquartered in Denton.
Dominion Energy, Inc., commonly referred to as Dominion, is an American energy company headquartered in Richmond, Virginia that supplies electricity in parts of Virginia, North Carolina, and South Carolina and supplies natural gas to parts of Utah, Idaho and Wyoming, West Virginia, Ohio, Pennsylvania, North Carolina, South Carolina, and Georgia. Dominion also has generation facilities in Indiana, Illinois, Connecticut, and Rhode Island.
Between 2007 and 2009, 13 companies applied to the Nuclear Regulatory Commission (NRC) for construction and operating licenses to build 31 new nuclear power reactors in the United States. However, the case for widespread nuclear plant construction has been hampered due to inexpensive natural gas, slow electricity demand growth in a weak US economy, lack of financing, and safety concerns following the Fukushima nuclear accident at a plant built in the early 1970s which occurred in 2011.
The United States has the second largest electricity sector in the world, with 4,178 Terawatt-hours of generation in 2023. In 2023 the industry earned $491b in revenue at an average price of $0.127/kWh.
An electric utility, or a power company, is a company in the electric power industry that engages in electricity generation and distribution of electricity for sale generally in a regulated market. The electrical utility industry is a major provider of energy in most countries.
Vermont electric power needs are served by over twenty utilities. The largest is Green Mountain Power, a subsidiary of Énergir which recently also took over Central Vermont Public Service. Together this single company represents 70% of the retail customers in Vermont. The state is a small electricity consumer compared with other states. Therefore, its electricity sector has the lowest carbon footprint in the country. As of 2010, the state had the lowest wholesale electricity costs in New England. Efficiency Vermont engages in aggressive initiatives to cut residential electricity waste, which often identifies other problems that it claims can save hundreds per household per year. Accordingly, Vermont's overall energy bills are also relatively lower than in the rest of the New England states.
The R. Paul Smith Power Station is a closed electric generating plant owned by FirstEnergy in Williamsport, Maryland.
Delaware Electric Cooperative (DEC) is a not-for-profit electric utility based in Greenwood, Delaware, United States. Delaware Electric Cooperative is a member-owned electric utility powering more than 300,000 people in Kent and Sussex Counties. DEC is a Touchstone Energy Cooperative and a member of Old Dominion Electric Cooperative, an electric generation and transmission cooperative. Through the hard work and committed efforts of its workforce, DEC has – and will continue – to “keep the lights on!”
A&N Electric Cooperative (ANEC) is a utility cooperative that distributes electricity to Accomack and Northampton counties in the state of Virginia along with Smith Island in Maryland, in the southern portion of the Delmarva Peninsula. The cooperative, which was founded in 1940, is headquartered in Tasley, Virginia.
The Virginia City Hybrid Energy Center (VCHEC) is a power station located in St. Paul, in Wise County, Virginia. It is operated by Dominion Virginia Power, Dominion Resources Inc.'s electric distribution company in Virginia. The 600 MW plant began power generation in July 2012 after four years of construction. The plant deploys circulating fluidized bed boiler technology (CFB) to use a variety of fuel sources including bituminous coal, coal gob, and bio-fuels. VCHEC is placed under stringent environmental regulations by the Virginia Department of Environmental Quality (DEQ).
