NRC Issues Rule to Streamline Reactor Licensing Reviews

By Emily Carrington Portland, OR · WASHINGTON, D.C. —

Published Updated 1 min read

The Nuclear Regulatory Commission issued a final rule on Thursday allowing reactor applicants to leverage prior Department of Energy or Department of War authorizations.

WASHINGTON, D.C. — The Nuclear Regulatory Commission issued a final rule on Thursday to streamline licensing reviews for commercial reactors by allowing applicants to leverage prior authorizations from the Department of Energy or Department of War. The agency expects cost savings for both applicants and the NRC, though it could not quantify these potential savings at this time.

The final rule amends 10 CFR Parts 50 and 53, with the amendment to § 50.43 explicitly establishing a pathway for the licensing frameworks under 10 CFR. The rule aims to improve licensing review efficiency and increase capacity for conducting reviews while maintaining independent NRC safety assessments. The final rule is effective 30 days after publication in the Federal Register.

Executive Order 14300 states that NRC review of such designs should focus solely on risks that may arise from new applications permitted by NRC licensure, rather than revisiting risks that have already been addressed in the DOE or DOW processes.

fact_check Facts

The Nuclear Regulatory Commission issued a final rule to streamline licensing reviews for commercial reactors by allowing applicants to leverage prior authorizations from the Department of Energy or Department of War.
The final rule amends 10 CFR Parts 50 and 53.
The rule aims to improve licensing review efficiency and increase capacity for conducting reviews while maintaining independent NRC safety assessments.
The agency expects cost savings for both applicants and the NRC, though it could not quantify these potential savings at this time.
The NRC received 136 unique comment submissions on the proposed rule.
The final rule is effective 30 days after publication in the Federal Register.
The amendment to § 50.43 explicitly establishes a pathway for the licensing frameworks under 10 CFR.

menu_bookBackground & Context

Context and data our newsroom added to the originating report.

The NRC held a public meeting on April 14, 2026.
The proposed rule was published for a 30-day comment period ending May 4, 2026.
On May 23, 2025, President Donald J. Trump signed Executive Order 14300, “Ordering the Reform of the Nuclear Regulatory Commission.”
Section 5 of Executive Order 14300 directed the NRC to undertake a review and wholesale revision of its regulations and guidance documents.
The rulemaking addresses section 5(d) of Executive Order 14300, which contemplates an expedited pathway to approve reactor designs that the U.S. Department of Energy or the Department of War have tested and that have demonstrated the ability to function safely.
Executive Order 14300 states that NRC review of such designs should focus solely on risks that may arise from new applications permitted by NRC licensure, rather than revisiting risks that have already been addressed in the DOE or DOW processes.

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NRC Issues Rule to Streamline Reactor Licensing Reviews

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