{"abstract":"Consistent with Executive Order 14300, \"Ordering the Reform of the Nuclear Regulatory Commission,\" the U.S. Nuclear Regulatory Commission (NRC) is conducting a review and wholesale revision of its regulations. This proposed rule aims to modernize reactor licensing, safety oversight, and siting practices addressing sections 5(f), 5(h), and 5(i) of Executive Order 14300, and additional items that contribute to adding additional generation to the electrical grid. Additionally, as part of the NRC's overarching review of all of its regulations, the agency identified a number of further changes to the NRC's regulations that will improve the efficiency and efficacy of its licensing process that are also included in this rulemaking.","action":"Proposed rule and guidance; request for comment.","agencies":[{"raw_name":"NUCLEAR REGULATORY COMMISSION","name":"Nuclear Regulatory Commission","id":383,"url":"https://www.federalregister.gov/agencies/nuclear-regulatory-commission","json_url":"https://www.federalregister.gov/api/v1/agencies/383","parent_id":null,"slug":"nuclear-regulatory-commission"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2026/07/16/2026-14341.html","cfr_references":[{"chapter":null,"citation_url":null,"part":"2","title":10},{"chapter":null,"citation_url":null,"part":"50","title":10},{"chapter":null,"citation_url":null,"part":"51","title":10},{"chapter":null,"citation_url":null,"part":"52","title":10},{"chapter":null,"citation_url":null,"part":"53","title":10},{"chapter":null,"citation_url":null,"part":"54","title":10},{"chapter":null,"citation_url":null,"part":"71","title":10},{"chapter":null,"citation_url":null,"part":"100","title":10}],"citation":"91 FR 44560","comment_url":"http://www.regulations.gov/commenton/NRC-2025-0975-0001","comments_close_on":"2026-08-31","correction_of":null,"corrections":[],"dates":"Comments must be submitted electronically using https:// www.regulations.gov by 11:59 p.m. eastern time on August 31, 2026. Comments received after this date will be considered if it is practical to do so, but the Commission is able to ensure consideration of only comments received before this date.","disposition_notes":null,"docket_ids":["NRC-2025-0975"],"dockets":[{"supporting_documents":[{"title":"Response to Conference of Radiation Control Program Directors Request for Extension of Comment Period ML26210A428","document_id":"NRC-2025-0975-0071"},{"title":"DG-4037 Preparation of Environmental Reports for Nuclear Power Stations Proposed Revision 5 to Regulatory Guide 4.2","document_id":"NRC-2025-0975-0031"},{"title":"Unofficial Redline Rule Language for the Proposed Rule Modernizing Reactor Licensing Safety Oversight and Siting Practices NRC-2025-0975 RIN 3150-AL44","document_id":"NRC-2025-0975-0030"},{"title":"DG-4036 Graded Approach to Site Characterization for New Reactor Applications Proposed New Regulatory Guide 4.29","document_id":"NRC-2025-0975-0029"},{"title":"DG-1460 Applications for Nuclear Power Plants. Proposed Revision 2 to Regulatory Guide 1.206","document_id":"NRC-2025-0975-0028"},{"title":"NUREG-0800 Chapter 14 Section 14.3 Inspections Tests Analyses and Acceptance Criteria","document_id":"NRC-2025-0975-0025"},{"title":"DG-1467 Assuring the Availability of Funds for Decommissioning Nuclear Reactors Proposed Revision 3 to Regulatory Guide 1.159","document_id":"NRC-2025-0975-0024"},{"title":"DG-1261 Revision 1 Measuring Breakaway Oxidation Behavior Proposed New Regulatory Guide 1.222","document_id":"NRC-2025-0975-0023"},{"title":"OMB Supporting Statement for Information Collections Contained in Modernizing Reactor Licensing Safety Oversight and Siting Practices Proposed Rule","document_id":"NRC-2025-0975-0022"},{"title":"Draft Environmental Assessment for the Proposed Rule Modernizing Reactor Licensing Safety Oversight and Siting Practices NRC-2025-0975 RIN 3150-AL44","document_id":"NRC-2025-0975-0021"}],"agency_name":"NRC","documents":[{"comment_count":43,"comment_start_date":"2026-07-16","updated_at":"2026-08-12T01:56:37.554-04:00","comment_url":"https://www.regulations.gov/commenton/NRC-2025-0975-0001","allow_late_comments":false,"id":"NRC-2025-0975-0001","comment_end_date":"2026-09-01","regulations_dot_gov_open_for_comment":true}],"supporting_documents_count":32,"id":"NRC-2025-0975","title":"Modernizing Reactor Licensing, Safety Oversight, and Siting 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