About Us

The Assistant Secretary of Defense for Energy, Installations, and Environment ASD (EI&E) provides budgetary, policy, and management oversight of the Department of Defense's (DoD): acquisition and use of operational and installation energy to support warfighting and base operations, which encompasses energy security, increased energy efficiency, and promotion of renewable energy sources; $880 billion real property portfolio which encompasses more than 500 installations, 562,000 buildings and structures, and 25 million acres; installations support management to invest in DoD facilities, Base Realignment and Closure efforts; and the Environment, Safety, and Occupational Health (ESOH) activities, which include legal compliance, natural and cultural resource management, and environmental cleanup of hazardous waste and munitions. The ASD(EI&E) is the Department’s Chief Sustainability Officer, the Senior Real Property Officer and the Designated Agency Safety and Health Official. In addition, the ASD(EI&E) oversees the Department's the Office of Economic Adjustment and the DoD Siting Clearinghouse.

Fact Sheets

• Fast Facts, FY 2014

Contact Us

Peter Potochney Performing the Duties of Assistant Secretary of Defense for Energy, Installations, and Environment

Peter Potochney Principal Deputy Assistant Secretary of Defense for Energy, Installations, and Environment