Nuclear Regulatory Commission Issues Final Interim Staff Guidance on Seismic Issues Associated with High Frequency Ground Motion

Summary

The Nuclear Regulatory Commission (NRC) has released its Final Interim Staff Guidance (ISG) DC/COL-ISG-01, providing guidance on seismic issues related to high frequency ground motion for design certification and combined license applicants, and outlining the review process for these issues.

Original source language: Federal Register — Nuclear Regulatory CommissionOpen original release →

Add your company to Business Communicator

We monitor business sources and connect attention with companies, profiles and services available in Business Communicator.

Create a free company profile Explore businesses on Business Maps →

Create a free company profile →

Explore insights

Business insights →

Global Markets News Trade Regulation News Business Technology News Fintech for Business: Payments & Banking News Supply Chain News Central Bank Policy News

Related business signals

Energy & environment · 8/21/2026

NRC Solicits Public Comment on Draft Interim Staff Guidance for Risk-Informed Decision-Making

The U.S. Nuclear Regulatory Commission is seeking public input on a draft guidance document that will help staff evaluate risk assessments for regulatory applications, potentially informing risk-informed decision-making.

Read summary →

Energy & environment · 8/21/2026

NRC Issues Draft Regulatory Guide on Assessing Public Health Risk Associated with Chemical Hazards of Licensed Material

The U.S. Nuclear Regulatory Commission (NRC) is issuing a draft Regulatory Guide for public comment, outlining a methodology to assess public health risk associated with chemical hazards of licensed material.

Read summary →

Energy & environment · 10/8/2026

NRC Provides Weekly Public Notice of Phased Construction Permit Application for SMR-300 Plant at Palisades Energy Center

The U.S. Nuclear Regulatory Commission (NRC) is providing weekly public notice of a phased construction permit application from SMR, LLC, on behalf of Palisades SMR, LLC, for a dual-unit SMR-300 plant at the Palisades Energy Center in Michigan.

Read summary →

Energy & environment · 10/1/2026

NRC Provides Weekly Public Notice of SMR, LLC Construction Permit Application

The U.S. Nuclear Regulatory Commission (NRC) is providing weekly public notice of a phased construction permit application from SMR, LLC, for a dual-unit SMR-300 plant at the Palisades Energy Center in Michigan. The application includes a limited work authorization request from Palisades SMR, LLC, a subsidiary of Holtec International.

Read summary →

Energy & environment · 9/3/2026

List of Approved Spent Fuel Storage Casks: Holtec International HI-STORM Flood/Wind System, Certificate of Compliance No. 1032, Amendment No. 10

The U.S. Nuclear Regulatory Commission (NRC) confirms the effective date of October 6, 2026, for the direct final rule that amended the Holtec International HI-STORM Flood/Wind System listing, including Amendment No. 10 to Certificate of Compliance No. 1032.

Read summary →

Energy & environment · 8/26/2026

Dominion Energy Virginia Seeks Renewal of North Anna Site Early Site Permit

The U.S. Nuclear Regulatory Commission is providing public notice of an application for renewal of the early site permit for the North Anna site, owned by Dominion Energy Virginia, for an additional 20-year period.

Read summary →