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Energia i regulacje · 24.12.2015

Spent Fuel Transportation Package Response to the MacArthur Maze Fire Scenario

The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment a draft NUREG/CR, NUREG/CR-7206, "Spent Fuel Transportation Package Response to the MacArthur Maze Fire Scenario." This report presents analyses that were performed to examine the hypothetical effects on a spent fuel transportation package from conditions during the MacArthur Maze accident in 2007. The analyses undertaken include FDS fire modeling, physical examination of material samples, ANSYS and COBRA-SFS code thermal modeling of a GA-4 package, ANSYS and LS-DYNA structural and thermal-structural modeling of the roadway and package, and fuel performance modeling using the FRAPTRAN- 1.4, FRAPCON-3.4, and DATING codes. The estimated release from the hypothetical scenario is below the prescribed limit for safety.

Source: Federal Register — Nuclear Regulatory CommissionOpen original release →
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Energia i regulacje · 10/8/2026

SMR, LLC; Palisades SMR, LLC; Pioneer Units 1 and 2; Phased Construction Permit Application-Limited Work Authorization

The U.S. Nuclear Regulatory Commission (NRC) is providing public notice each week, for four consecutive weeks, beginning October 1, 2026, of receipt and availability of the first part of a phased construction permit application, including a limited work authorization (LWA) request, from SMR, LLC, on behalf of Palisades SMR, LLC, a wholly-owned subsidiary of Holtec International (collectively, Holtec), for a dual-unit SMR-300 plant located at the Palisades Energy Center (PEC) in Covert, Michigan. The units are individually named Pioneer Unit 1 and Pioneer Unit 2. This is the second of four consecutive weekly notifications.

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Energia i regulacje · 10/1/2026

SMR, LLC; Palisades SMR, LLC; Pioneer Units 1 and 2; Phased Construction Permit Application-Limited Work Authorization

The U.S. Nuclear Regulatory Commission (NRC) is providing public notice each week, for four consecutive weeks, beginning October 1, 2026, of receipt and availability of the first part of a phased construction permit application, including a limited work authorization (LWA) request, from SMR, LLC, on behalf of Palisades SMR, LLC, a wholly-owned subsidiary of Holtec International (collectively, Holtec), for a dual-unit SMR-300 plant located at the Palisades Energy Center (PEC) in Covert, Michigan. The units are individually named Pioneer Unit 1 and Pioneer Unit 2. This is the first of four consecutive weekly notifications.

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Energia i regulacje · 9/29/2026

Biweekly Notice; Applications and Amendments to Facility Operating Licenses and Combined Licenses Involving No Significant Hazards Considerations

Pursuant to section 189a.(2) of the Atomic Energy Act of 1954, as amended (the Act), the U.S. Nuclear Regulatory Commission (NRC) is publishing this regular biweekly notice. The Act requires the Commission to publish notice of any amendments issued, or proposed to be issued, and grants the Commission the authority to issue and make immediately effective any amendment to an operating license or combined license, as applicable, upon a determination by the Commission that such amendment involves no significant hazards consideration (NSHC), notwithstanding the pendency before the Commission of a request for a hearing from any person.

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Energia i regulacje · 9/11/2026

Virginia Electric and Power Company, (Doing Business as Dominion Energy Virginia); North Anna Site; Early Site Permit Renewal Application

The U.S. Nuclear Regulatory Commission (NRC or Commission) is considering an application for the renewal of Early Site Permit (ESP) No. ESP-003, which allows Virginia Electric and Power Company (doing business as Dominion Energy Virginia) to reference ESP-003 in an application for a construction permit (CP) or combined license (COL) at the North Anna ESP site during the period ESP-003 remains valid. The renewed permit, if approved, would extend the expiration date by an additional 20 years beyond the period specified in the current permit. The location for the North Anna ESP site is in Louisa County, Virginia, and the current ESP-003 expires on November 27, 2027. This notice provides the public an opportunity to request a hearing and petition for leave to intervene with respect to the renewal application.

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