The FY2027 President's Budget requests $87.2M for New Reactors, within Nuclear Regulatory Comm's Total account. That is down 3.9% on the FY2026 figure of $90.7M, which is the enacted appropriation.
FY2025–FY2027
| Fiscal year | Basis | Amount |
|---|---|---|
| FY2025 | enacted | $84.0M |
| FY2026 | enacted | $90.7M |
| FY2027 | request | $87.2M |
Bases are separate columns and are never summed into one figure.
Nuclear Regulatory Comm discretionary budget authority
From the OMB Public Budget Database — clean, summable, and the figure to cite for an agency total. It is the whole of Nuclear Regulatory Comm's discretionary request, not a total of the parsed lines above, and this page never adds the two together.
What this funds
The major activities in the New Reactors Business Line include the following: ' Develop the infrastructure for advanced reactors in accordance with NEIMA and at a rate consistent with NRC-projected interest in new technologies and cognizance of prospective applicants' plans ' Support the review of one 10 CFR Part 52 DC application for a light-water SMR ($3,739K, 15 FTE). ' Conduct preapplication activities (including topical report reviews) for 13 pre-applicants ($5,023K, 18 FTE). ' Support seven 10 CFR Part 50 CP reviews for advanced reactor applicants ($15,418K, 49 FTE). ' Conduct licensing support activities, to include guidance development and work related to codes and standards in the context of new designs for LWRs and non-LWRs ($6,090K, 20 FTE). ' Conduct confirmatory and anticipatory research on topics such as seismic analysis and evaluation; guidance and framework development for microreactor licensing; construction oversight program generator integrity; methods and tools for in-port floating plants; reliability integrity management for advanced reactors; risk-informed assessment for non-metallic components; external hazards; severe accident and source term analysis; and assessment of physical and material security considerations for ' Support rulemaking activities, including those associated with the NRC's wholesale review and revision of regulations and guidance documents to implement Executive Order 14300, "Ordering the Reform of the Nuclear Regulatory Commission," and maintain regulatory analysis guidance and rulemaking infrastructure ' Support agency-provided and external training in reactor safety, security, root cause analysis, as well as ' Maintain a highly qualified workforce through retention efforts, as well as recruitment and staffing of entry- level and mid-career positions to support the agency's Strategic Workforce Planning ($1,347K, 5 FTE). ' Continue to implement strategic multilateral and bilateral cooperation on new reactor design and commissioning, as well as to support activities of the International Atomic Energy Agency, such as those related to generic SMR issues, standards development, and consultancy meetings, and Nuclear Energy Agency activities, such as those involving new reactor design and commissioning. Also continue to provide targeted international technical expertise to foreign regulatory counterparts to develop or enhance their national regulatory infrastructures to accelerate the adoption of U.S. nuclear technologies 4 The list of activities described in the "Major Activities" section of each business line chapter in the FY 2027 budget request represents a subset of activities in the business line budget request. Resource amounts in parentheses will not add to the total resources for the business line.
Extracted from NRC, p. 12. Verbatim; nothing here is paraphrased.
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