Dominion Energy, Inc., commonly referred to as Dominion, is an American power and 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, West Virginia, Ohio, Pennsylvania, North Carolina, South Carolina, and Georgia. Dominion also has generation facilities in Indiana, Illinois, Connecticut, and Rhode Island.
The company acquired Questar Corporation in the Western United States, including parts of Utah and Wyoming, in September 2016. In January 2019, Dominion Energy completed its acquisition of SCANA Corporation.
The company's asset portfolio includes 27,000 megawatts of power generation, 6,000 miles (9,700 km) of electric transmission lines, 14,000 miles (23,000 km) of natural gas transmission, gathering and storage pipeline, and 1.2 trillion cubic feet (34 km3) equivalent of natural gas and oil reserves. Dominion also operates the nation's largest natural gas storage facility, amounting to more than 975 billion cubic feet (2.76×1010 m3) of storage capacity. The company's Cove Point liquefied natural gas (LNG) import terminal on the Chesapeake Bay is one of the nation's largest and busiest facilities of its kind. Dominion serves more than 5 million retail energy customers in the Midwest, mid-Atlantic and Northeast regions of the U.S.
In 2017, Dominion was listed at #238 on the Fortune 500. A book about the company's 100-year history, Dominion’s First Century: A Legacy of Service, was published in 2010.