Department of Energy (DOE)

• Office of Science
• Office of Energy Efficiency and Renewable Energy (EERE)
• Office of Fossil Energy and Carbon Management
• Office of Nuclear Energy
• Office of Environmental Management
• Advanced Research Projects Agency-Energy (ARPA-E)
• Energy Information Administration (EIA)
• National Nuclear Security Administration (NNSA)
• Power Marketing Administrations
  • Bonneville Power Administration (BPA)
  • Southeastern Power Administration (SEPA)
  • Southwestern Power Administration (SWPA)
  • Western Area Power Administration (WAPA)