Qualification of Safety-Related Vented Lead-Acid Storage Batteries for Nuclear Power Plants

ローカル自動翻訳 · 情報源の原言語

概要

The U.S. Nuclear Regulatory Commission (NRC) is issuing for public comment draft regulatory guide (DG), DG-1338, "Qualification of Safety-Related Vented Lead-Acid Storage Batteries for Nuclear Power Plants." DG-1338 is proposed revision 1 of regulatory guide (RG) 1.158, "Qualification of Safety-Related Lead Storage Batteries for Nuclear Power Plants" dated February 1989. DG-1338 endorses (with clarifying regulatory positions) the Institute of Electrical and Electronics Engineers (IEEE) Standard (Std.) 535-2013, "IEEE Standard for Qualification of Class 1E Vented Lead Acid Storage Batteries for Nuclear Power Generating Stations." IEEE 535-2013 contains procedures for qualifying batteries with duty cycles of less than 8 hours and batteries with duty cycles longer than 8 hours.

情報源の原言語: Federal Register — Nuclear Regulatory Commission原文の発表を開く →

会社を追加

ビジネス情報源を監視し、Business Communicatorの企業やプロフィールにつなげます。

無料の企業プロフィールを作成 Business Mapsで企業を探す →

無料の企業プロフィールを作成 →

Arizona Public Service Company; Palo Verde Nuclear Generating Station, Units 1, 2, and 3; Indirect Transfer of Control of Licenses

The U.S. Nuclear Regulatory Commission (NRC, the Commission) is issuing an order approving the application dated April 24, 2026, filed by Arizona Public Service Company (APS), on behalf of Public Service Company of New Mexico (PNM), Troy ParentCo LLC (Troy ParentCo), and their corporate affiliates (together, Applicants). The application sought NRC consent to the indirect transfer of control of PNM's co- ownership of the Renewed Facility Operating License Nos. NPF-41, NPF- 51, and NPF-74 for the Palo Verde Nuclear Generating Station (Palo Verde), Units 1, 2, and 3, respectively, as well as the associated general license for the Palo Verde Independent Spent Fuel Storage Installation (ISFSI) (together, the facility). No physical changes or operational changes to the facility were proposed in the application.

概要を読む →

エネルギーと環境 · 2026/8/21

Draft Interim Staff Guidance: Evaluations of Risk Assessments for Risk-Informed Decision-Making for Regulatory Applications

The U.S. Nuclear Regulatory Commission (NRC) is soliciting public comment on its draft Interim Staff Guidance (ISG), OAR/DARP-ISG- 2026-XX, "Evaluations of Risk Assessments for Risk-Informed Decision- Making for Regulatory Applications." If finalized, this ISG will provide guidance to the staff for reviewing systematic risk assessment methods, including probabilistic risk assessments (PRAs) and other systematic risk evaluations (SREs). This ISG will supplement existing guidance to facilitate the staff's understanding of the uses of risk information in regulatory applications and application of principles of risk-informed decision-making.

概要を読む →

エネルギーと環境 · 2026/8/21

Draft NUREG: Training Review Criteria and Procedures

On July 22, 2026, the U.S. Nuclear Regulatory Commission (NRC) solicited comments on draft NUREG-1220, Revision 2, "Training Review Criteria and Procedures." The public comment period was originally scheduled to close on August 21, 2026. The NRC has decided to extend the public comment to September 21, 2026, to allow more time for members of the public to prepare and submit their comments.

概要を読む →

エネルギーと環境 · 2026/8/27

NextEra Energy, Inc.; Dominion Energy, Inc.; Virginia Electric and Power Company; Dominion Energy Nuclear Connecticut; Dominion Energy South Carolina, Inc.; Surry Power Station, Unit Nos. 1 and 2; North Anna Power Station, Unit Nos. 1 and 2; Virgil C. Summer Nuclear Station, Unit 1; Millstone Power Station, Units 1, 2, & 3; North Anna Unit 3; North Anna Early Site Permit; and the Associated Independent Spent Fuel Storage Installations; Consideration of Approval of Transfer of Licenses

The U.S. Nuclear Regulatory Commission (NRC) received and is considering approval of an application filed by NextEra Energy, Inc. (NextEra Energy), Dominion Energy, Inc. (Dominion Energy), Virginia Electric and Power Company (VEPCO), Dominion Energy Nuclear Connecticut (DENC), and Dominion Energy South Carolina, Inc. (DESC) (collectively the Applicants) on July 15, 2026. The application seeks NRC approval of the indirect transfer of the facility operating licenses, materials licenses, and general licenses for Surry Power Station, Unit Nos. 1 and 2 (Surry); North Anna Power Station, Unit Nos. 1 and 2 (North Anna); Virgil C. Summer Nuclear Station, Unit 1 (V.C. Summer); and Millstone Power Station, Units 1, 2, & 3 (Millstone); as well as the combined license for North Anna Unit 3; and the North Anna Early Site Permit. The application contains sensitive unclassified non-safeguards information (SUNSI).

概要を読む →

エネルギーと環境 · 2026/8/26

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) is providing public notice each week, for four consecutive weeks, of receipt and availability of an application for renewal of early site permit (ESP) ESP-003 for the North Anna ESP site from Virginia Electric and Power Company, doing business as (dba) Dominion Energy Virginia. Renewal of the ESP would allow the licensee to reference ESP-003 in a construction permit (CP) or combined license (COL) application for an additional 20- year period beyond the period specified in the ESP. The location for the North Anna ESP site is in Louisa County, Virginia, and the current ESP-003 expires on November 27, 2027.

概要を読む →

エネルギーと環境 · 2026/8/26

STP Nuclear Operating Company; South Texas Project, Unit 1; License Amendment Application

The U.S. Nuclear Regulatory Commission (NRC, the Commission) is considering issuance of an amendment to Renewed Facility Operating License No. NPF-76, issued to STP Nuclear Operating Company (STPNOC); Constellation South Texas, LLC; City Public Service Board of San Antonio; and City of Austin, Texas, for operation of South Texas Project, Unit 1 (STP). The proposed license amendment would, if granted, make a one-time exigent change to the technical specifications (TS) to extend the allowed outage time (AOT) for TS 3.7.1.7, "Main Feedwater System". This proposed amendment is being requested to facilitate repairs to the Unit 1 train D main feedwater isolation valve (MFIV). This proposed amendment is being requested under exigent circumstances pursuant to NRC regulations.

概要を読む →