Department of Energy

About Department of Energy

The Department of Energy (DOE) is a United States federal agency responsible for advancing national energy policy, advancing scientific research, and ensuring nuclear security. It oversees national laboratories, coordinates energy efficiency and renewable energy programs, and maintains energy infrastructure and grid reliability. DOE conducts high-impact research across physics, chemistry, materials science, and climate science, and operates data initiatives like OSTI and the Energy Information Administration to inform policy and the public. It engages in global energy leadership and technology development from its headquarters in the United States, with missions spanning environmental cleanup, fossil and clean energy, and energy technology innovation.