Office of Nuclear Energy | Department of Energy Official websites use .gov .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS lock ) or means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites. Office of Nuclear Energy Subscribe for Updates Stay up-to-date on the latest news, blogs, and videos from the Office of Nuclear Energy Plant Vogtle Units 1-4 Georgia Power Our Mission Nuclear energy is one of the most resilient, environmentally sustainable, and reliable energy sources on the grid today. The Office of Nuclear Energy works to advance nuclear energy science and technology to meet the nation's energy, environmental, and economic needs. Image of the Advanced Test Reactor core Idaho National Laboratory What We Do As an applied energy research and development organization, we enable innovation, support unique research infrastructure, and solve crosscutting challenges facing the nuclear energy sector to: Enable continued operation of existing U.S. nuclear reactors. Enable deployment of advanced nuclear reactors. Develop advanced nuclear fuel cycles. Maintain U.S. leadership in nuclear energy technology. Enable a high-performing organization Areas of Focus The U.S. is developing advanced reactors that enhance efficiency resource utilization safety , and versatility . They come in a range of sizes and design features that will expand access to clean energy in communities around the world. Advanced Reactor Basics Advanced Reactor R&D Advanced Reactor Demonstration Program Plant Vogtle Units 1-4 Georgia Power The U.S. operates the largest fleet of reactors in the world to generate nearly 20% of our nation's total electricity and almost half of our clean energy. Nuclear Reactor Basics Light-Water Reactor R&D Safety Training and Workforce Development Uranium yellow cake The nuclear fuel cycle is the process that prepares uranium for use in nuclear reactors and ensures spent fuel is safely managed, recycled, or disposed of Nuclear Fuel Cycle Basics Nuclear Fuel Cycle R&D HALEU Availability Program Spent Fuel and High-Level Waste Disposition Partnerships at the local, state, and tribal levels are essential to deploying nuclear energy technologies at home and abroad. University Support Tribal Engagement International Cooperation Blogs Nuclear 5 Fast Facts about DOE Reactor Authorization April 16, 2026 Unleash Commercial Nuclear Power in the United States Nuclear 8 Big Wins for Nuclear in the Trump Administration’s First Year January 26, 2026 5 Things You Need to Know about Fission Surface Power Systems January 13, 2026 Nuclear INFOGRAPHIC: How Many Holiday Lights Can a Nuclear Reactor Power? December 23, 2025 VIEW ALL Latest News Nuclear Department of Energy’s Defense Production Act Consortium Unveils New Initiative to Grow Nation’s Nuclear Fuel Cycle April 23, 2026 Nuclear Department of Energy Seeks to Partner with Private Sector for Used Nuclear Fuel Recycling April 22, 2026 Unleash Commercial Nuclear Power in the United States Nuclear DOE’s Office of Nuclear Energy Awards $5.9M to Universities to Advance Nuclear Energy Research April 10, 2026 Nuclear World’s First Microreactor Test Bed Now Open for Business April 8, 2026 VIEW ALL Leadership Ted Garrish Assistant Secretary for Nuclear Energy Dr. Michael Goff Principal Deputy Assistant Secretary Lauren Joyce Acting Chief Operating Officer Dr. Josh Jarrell Deputy Assistant Secretary for the Nuclear Fuel Cycle Dr. Rian Bahran Deputy Assistant Secretary for Nuclear Reactors Aleshia Duncan Deputy Assistant Secretary for International Cooperation Paul Murray Deputy Assistant Secretary for Spent Fuel and High Level Waste Disposition Robert Boston Manager, Idaho Operations Office View Leadership Page More Resources Careers February 12, 2026 Nuclear Power Summary March 5, 2026 HALEU Availability Program August 26, 2025 Domestic Low Enriched Uranium Supply Chain January 5, 2026 Nuclear Reactor Safety Training and Workforce Development Program April 7, 2026 The Office of Nuclear Energy Office of Nuclear Energy U.S. Department of Energy 1000 Independence Ave., SW Washington, DC 20585 Call Us (202) 586-2240 E-mail Us NECommunications@nuclear.energy.gov