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NRC Rule Expands Use of Agency Data for Advanced Reactor Licensing
By Drooid · · How we work
New Rule Allows Agency Demonstration Data in Reactor Applications
On October 22, the Nuclear Regulatory Commission (NRC) finalized a rule that permits nuclear-industry applicants to cite analyses, data, and information generated by demonstration projects at the U.S. Department of Energy and the Department of Defense. The change is positioned as the first major amendment to reactor licensing regulations since President Donald Trump’s May 2025 directive that required the NRC to complete new-design reviews within 18 months.
Background and Context
Trump’s 2025 order was intended to accelerate the deployment of next-generation reactors, including small modular reactors (SMRs). Critics argued that the accelerated timeline could erode the agency’s independence. The October 22 rule therefore represents a shift in how the NRC will evaluate safety, allowing external agency data to supplement its own analyses while maintaining its statutory standards.
Official Statements & Responses
NRC Chairman Ho Nieh emphasized that the rule does not lower safety thresholds. He said the agency may apply stricter “consequence analysis” for severe accident scenarios and natural hazards, but the new pathway is not a shortcut or compromise to the commission’s rigorous licensing process.
Implications for the Nuclear Industry
By allowing data from DOE and DoD demonstration projects, the NRC aims to streamline the review of high-tech reactor designs while preserving its safety oversight. The rule could facilitate a wave of SMR applications, potentially expanding the United States’ clean-energy portfolio, but it also raises concerns about the balance between expedited licensing and independent safety review.
Verbatim Quotes
- “This is not a shortcut, this is not a compromise,” — Ho Nieh, NRC chairman — Ho Nieh, NRC chairman
