Dominion is one of the nation's largest producers and transporters of energy, with a portfolio of approximately 23,600 megawatts of generation, 10,900 miles of natural gas transmission, gathering and storage pipeline and 6,400 miles of electric transmission lines. Their strategy is to be a leading provider of electricity, natural gas and related services to customers in the energy-intensive Midwest, Mid-Atlantic and Northeast regions of the U.S.