Department of Energy Law and Legal Definition

The Department of Energy (DOE) is a Cabinet-level department of the United States government which aims 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. Primarily, DOE is a national security agency and its missions flow from this core mission to support national security. The various missions of DOE are managed by Program Offices in DOE. DOE is also responsible for the research, development, and demonstration of energy technology; the marketing of Federal power; energy conservation; the nuclear weapons program; regulation of energy production and use; pricing and allocation; and a central energy data collection and analysis program. The agency is administered by the United States Secretary of Energy.