The Department of Energys overarching mission is to advance the national, economic, and energy security of the United States; to promote scientific and technological innovation in support of that mission; and to ensure the environmental cleanup of the national nuclear weapons complex. The Departments strategic goals to achieve the mission are designed to deliver results along five strategic themes .

Address: U.S. Department of Energy , 1000 Independence Ave., SW , Washington, DC 20585
Telephone: 1-800-342-5363
Fax: 202-586-4403
Website: http://www.energy.gov/contact/index.htm