Views of the Potomac River Power Station in Alexandria, Virginia, the largest single source of air pollution in the Washington, D.C., area. Owned and operated by the Mirant Potomac River, LLC, the coal-fired electric generating plant with a generating capacity of 482 megawatts is one of the largest industrial facilities in Alexandria. Because of the age of this plant, the impacts on the local community from its emissions and its compliance record, the City Council and the community has continued concerns about its ongoing operations.