US Nuclear Regulatory Commission Denies Immediate Closure of Diablo Canyon Nuclear Power Plant

Summary

The US Nuclear Regulatory Commission (NRC) has denied a petition by environmental groups to close Diablo Canyon Nuclear Power Plant, Units 1 and 2, citing insufficient evidence of a 'seismically induced severe accident' risk.

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 →

Business Energy News Global Markets News Trade Regulation News Business Technology News Fintech for Business: Payments & Banking News Supply Chain News

Related business signals

Energy & environment · 9/8/2026

NRC to Consider Amendment Request for Shearon Harris Nuclear Power Plant, Unit 1

The U.S. Nuclear Regulatory Commission (NRC) is considering approval of an amendment request for the Shearon Harris Nuclear Power Plant, Unit 1, which proposes to determine that it involves no significant hazards consideration (NSHC). The request contains sensitive unclassified non-safeguards information (SUNSI), prompting the NRC to issue procedures for accessing this information.

Read summary →

Energy & environment · 8/25/2026

NRC Issues Environmental Assessment and Finding of No Significant Impact for SMR-300 Plant

The U.S. Nuclear Regulatory Commission has approved an environmental assessment and finding of no significant impact for SMR, LLC's request to construct support of excavation walls during the excavation of the proposed SMR-300 plant at the Palisades Energy Center in Michigan.

Read summary →

Energy & environment · 8/21/2026

NRC Considers Duke Energy License Transfer for Nuclear Power Plants

The U.S. Nuclear Regulatory Commission is considering approval of an application by Duke Energy Progress, LLC and Duke Energy Carolinas, LLC to transfer licenses and issue amendments for several nuclear power plants, including Brunswick Steam Electric Plant and Shearon Harris Nuclear Power Plant.

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 · 9/1/2026

NRC Publishes Biweekly Notice on Amendments to Operating Licenses

The U.S. Nuclear Regulatory Commission (NRC) is publishing a biweekly notice regarding amendments to operating licenses, as required by the Atomic Energy Act of 1954, and grants the authority to issue immediate amendments with no significant hazards consideration.

Read summary →