Energy Information Administration (EIA) — Data on petroleum, natural gas, coal, nuclear, electricity, renewable and alternative energy sources.
National Nuclear Security Administration — Links to general information and departments involved with nuclear weapons and materials.
Office of Defense Nuclear Nonproliferation — Provides information on resource management, nonproliferation research and engineering, international nuclear safety and cooperation.
Office of Energy Efficiency and Renewable Energy — Works to strengthen the United States' energy security, environmental quality, and economic vitality in public-private partnerships
Office of Fossil Energy — Ensuring continuing reliance on clean, affordable energy from traditional fuel resources.
Office of Nuclear Energy, Science and Technology — Provides news, press releases, programs and organizational information.
Office of Science — Oversees and funds the Nation’s research programs in high-energy physics, nuclear physics, and fusion energy sciences.
Secretary of Energy