Dominion Energy
NYSE:DDominion Energy, Inc. produces and distributes energy in the United States. It operates through three operating segments: Dominion Energy Virginia, Dominion Energy South Carolina, and Contracted Energy. The Dominion Energy Virginia segment generates, transmits, and distributes regulated electricity to approximately 2.8 million residential, commercial, industrial, and governmental customers in Virginia and North Carolina. The Dominion Energy South Carolina segment generates, transmits, and distributes electricity to approximately 0.8 million customers in the central, southern, and southwestern portions of South Carolina; and distributes natural gas to approximately 0.4 million residential, commercial, and industrial customers in South Carolina. The Contracted Energy segment is involved in the nonregulated long-term contracted renewable electric generation and renewable natural gas facility. As of December 31, 2023, the company's portfolio of assets included approximately 29.5 gigawatt of electric generating capacity; 10,600 miles of electric transmission lines; 79,300 miles of electric distribution lines; and 94,800 miles of gas distribution mains and related service facilities. The company was formerly known as Dominion Resources, Inc. Dominion Energy, Inc. was incorporated in 1983 and is headquartered in Richmond, Virginia.
Duke Energy
NYSE:DUKDuke Energy Corporation, together with its subsidiaries, operates as an energy company in the United States. It operates through two segments: Electric Utilities and Infrastructure (EU&I), and Gas Utilities and Infrastructure (GU&I). The EU&I segment generates, transmits, distributes, and sells electricity in the Carolinas, Florida, and the Midwest. It generates electricity through coal, hydroelectric, natural gas, oil, solar and wind sources, renewables, and nuclear fuel. This segment also engages in the wholesale of electricity to municipalities, electric cooperative utilities, and load-serving entities. The GU&I segment distributes natural gas to residential, commercial, industrial, and power generation natural gas customers; and invests in pipeline transmission projects, renewable natural gas projects, and natural gas storage facilities. The company was formerly known as Duke Energy Holding Corp. and changed its name to Duke Energy Corporation in April 2006. Duke Energy Corporation was founded in 1904 and is headquartered in Charlotte, North Carolina.
Iberdrola
OTCMKTS:IBDRYIberdrola, S.A. engages in the generation, transmission, distribution, and supply of electricity in Spain, the United Kingdom, the United States, Mexico, Brazil, Germany, France, and Australia. It generates electricity from renewable sources, such as onshore and offshore wind, hydro, photovoltaic, combined cycle gas, and conventional nuclear, as well as through batteries. The company is also involved in the purchase and sale of electricity and gas on wholesale markets; energy retail supply activities, such as gas and electricity, and other products and services, including hydrogen, as well as non-renewable generation; and production of green hydrogen. It has a total installed capacity of 62,871 MW. In addition, the company offers heat pumps, self-consumption, electric mobility, solar, etc. services to residential customers; and management of energy facilities, as well as supplies green H2, industrial heat, etc. to industrial customers. Iberdrola, S.A. was founded in 1840 and is based in Bilbao, Spain.
Southern
NYSE:SOThe Southern Company, through its subsidiaries, engages in the generation, transmission, and distribution of electricity. The company also develops, constructs, acquires, owns, and manages power generation assets, including renewable energy projects and sells electricity in the wholesale market; and distributes natural gas in Illinois, Georgia, Virginia, and Tennessee, as well as provides gas marketing services, gas distribution operations, and gas pipeline investments operations. In addition, it owns and operates nuclear, coal, hydro, cogeneration, solar, wind, battery storage, and fuel cell facilities. Further, the constructs, operates, and maintains approximately 77,900 miles of natural gas pipelines and 14 storage facilities with total capacity of 157 Bcf to provide natural gas to residential, commercial, and industrial customers. The company serves approximately 8.9 million electric and gas utility customers. Further, it develops distributed energy and resilience solutions; deploys microgrids for commercial, industrial, governmental, and utility customers; and offers digital wireless communications and fiber optics services. The Southern Company was incorporated in 1945 and is headquartered in Atlanta, Georgia.