Regulatory Guide: Emergency Response Planning and Preparedness for Nuclear Power Reactors

Document 2025-18633 is a Final Rule published by the Nuclear Regulatory Commission in the Federal Register on September 25, 2025. The U.S. Nuclear Regulatory Commission (NRC) is issuing Revision 7 to Regulatory Guide (RG) RG-1.101, "Emergency Response Planning and Preparedness for Nuclear Power Reactors." This revision updates the list of NRC-developed and NRC-endorsed guidance documents acceptable to meet the regulatory requirements for emergency response planning and preparedness. This revision also provides generic guidance for maintaining regulatory compliance for alert and notification systems (ANS) when making significant design changes, as well as provides guidance on a method to justify a 24-month frequency for emergency plan reviews. View the original at https://www.federalregister.gov/documents/2025/09/25/2025-18633/regulatory-guide-emergency-response-planning-and-preparedness-for-nuclear-power-reactors.

No. Document 2025-18633 is not classified as economically significant under Executive Order 12866. Economically significant rules require OIRA review and are estimated to have impacts of $100 million or more per year.