has sub-organization Advanced Scientific Computing Research Ames Laboratory Argonne National Laboratory Brookhaven National Laboratory Consortium for the Advanced Simulation of Light Water Reactors Fermilab Fuel Cell Technologies Office Geothermal Technologies Office Great Lakes Bioenergy Research Center Idaho National Laboratory International Partnership for the Hydrogen and Fuel Cell in the Economy Joint BioEnergy Institute Joint Genome Institute Lawrence Berkeley National Laboratory Lawrence Livermore National Laboratory Los Alamos National Laboratory National Energy Technology Laboratory National Nuclear Security Administration National Renewable Energy Laboratory Oak Ridge National Laboratory Office of Economic Impact and Diversity Office of Electricity Delivery and Energy Reliability Office of Energy Efficiency and Renewable Energy Office of Environmental Management Office of Environmental Protection, Sustainability Support and Corporate Safety Analysis Office of Fossil Energy Office of Health and Safety Office of Inspector General Office of Intelligence and Counterintelligence Office of International Affairs Office of Legacy Management Office of Management Office of Nuclear Energy Office of Nuclear Safety Office of Science Office of Space and Defense Power Systems Office of Under Secretary of Energy for Science Office of the General Counse Pacific Northwest National Laboratory Princeton Plasma Physics Laboratory SLAC National Accelerator Laboratory Sandia National Laboratories Sandia National Laboratories California Savannah River National Laboratory Savannah River Operations Office Small Business Innovation Research Solar Energy Technologies Office United States Energy Information Administration