U.S. Department of Energy

The United States Department of Energy (DOE) is the executive department overseeing U.S. national energy policy and energy production, the research and development of nuclear power, the military’s nuclear weapons program, nuclear reactor production for the United States Navy, energy-related research, and energy conservation. The mission of the Energy Department is to ensure America’s security and prosperity by addressing its energy, environmental and nuclear challenges through transformative science and technology solutions.