Dominion Energy is a holding company. Through its subsidiaries , Co. is a provider of electricity, natural gas and related services to customers primarily in the eastern and Rocky Mountain regions. Co.'s operations are conducted through various subsidiaries including Virginia Electric and Power Company, which is a regulated public utility that generates, transmits and distributes electricity for sale in Virginia and North Carolina. Co.'s operations also include Dominion Energy South Carolina, Inc.'s regulated gas distribution operations. Co. manages its operations through four main segments: Dominion Energy Virginia, Gas Distribution, Dominion Energy South Carolina and Contracted Assets.