Office of Science Budget

The DOE Office of Science supports basic research and the development, construction, and operations of open-access scientific user facilities and research capabilities that serve to deliver the scientific discoveries to transform our understanding of nature and advance the energy, economic, and national security of the United States. The Office of Science is the nation’s largest federal sponsor of basic research in the physical sciences and the lead federal agency supporting fundamental scientific research for our nation’s future.

Each year, DOE submits a budget request to Congress for the next fiscal year for Congress to consider through its Congressional appropriations process. 

The Office of Science FY 2026 Budget Request to Congress


FY 2026 Office of Science Budget Request

FY 2026 Office of Science Budget Request Overview

FY 2026 Advanced Scientific Computing Research Budget Request

FY 2026 Basic Energy Sciences Budget Request

FY 2026 Biological and Environmental Research Budget Request

FY 2026 Fusion Energy Sciences Budget Request

FY 2026 High Energy Physics Budget Request

FY 2026 Nuclear Physics Budget Request

FY 2026 Isotope R&D and Production Budget Request

FY 2026 Workforce Development for Teachers and Scientists Budget Request

FY 2026 Science Laboratories Infrastructure Budget Request

FY 2026 Safeguards and Security Budget Request

FY 2026 Science Program Direction Budget Request