Title 42 › CHAPTER 161 — DEPARTMENT OF ENERGY RESEARCH AND INNOVATION › SUBCHAPTER III — DEPARTMENT OF ENERGY OFFICE OF SCIENCE POLICY › § 18645
Requires the Director to run a national fusion energy research and technology program to help the United States build a cost‑competitive fusion power industry. The program must fund work on materials, tokamaks, inertial fusion (ion beam, laser, pulsed power), and a mix of alternative and enabling ideas. It must also expand basic plasma and high‑temperature matter science. Specific funding lines include $50,000,000 per year for fusion materials research for fiscal years 2023–2027; $25,000,000 per year for inertial fusion for fiscal years 2021–2027; $50,000,000 per year for alternative and enabling concepts for fiscal years 2021–2027; and a milestone‑based development program with $45,000,000 (FY2021), $65,000,000 (FY2022), $105,000,000 (FY2023), $65,000,000 (FY2024), $45,000,000 (FY2025), $45,000,000 (FY2026), and $45,000,000 (FY2027). The Director must coordinate with ARPA‑E, other agencies, universities, national labs, and industry. Sets deadlines and projects to speed commercial fusion. Within 180 days after August 9, 2022, the Director must form at least two national teams to make pilot plant designs; funding for those teams is $35,000,000 (FY2023), $50,000,000 (FY2024), $65,000,000 (FY2025), $80,000,000 (FY2026), and $80,000,000 (FY2027). A report to Congress was required within 2 years after September 28, 2018 to lay out 10‑year priorities under three budget scenarios. The law also requires a milestone funding model with peer review, annual reports to Congress, and a National Academy review after certain milestones. It directs work on high‑performance computing and a national HPC for Fusion Innovation Center (up to 5 years support), and it calls for a Material Plasma Exposure Experiment with a 1 Tesla field and 10 MW/m2 heat flux, to begin full operations before December 31, 2027, with $21,895,000 in FY2023 and $3,800,000 in FY2024 for construction. It also requires an upgrade to the Matter in Extreme Conditions endstation to start full operations before December 31, 2028. Finally, the Office of Science fusion authorization amounts are: $996,000,000 (FY2021); $921,000,000 (FY2022); $1,025,500,400 (FY2023); $1,043,489,724 (FY2024); $1,053,266,107 (FY2025); $1,047,962,074 (FY2026); and $1,114,187,798 (FY2027). The law urges continued U.S. support for ITER and more international collaboration and access for U.S. researchers.
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The Public Health and Welfare, Source: USLM XML via OLRC
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Citation
42 U.S.C. § 18645
Title 42, The Public Health and Welfare
Last Updated
Sep 23, 2026
Release point: 119-110