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The U.S. Nuclear Regulatory Commission is in the process of rescinding or revising guidance and policies posted on this webpage in accordance with Executive Order 14151 Ending Radical and Wasteful Government DEI Programs and Preferencing, and Executive Order 14168 Defending Women From Gender Ideology Extremism and Restoring Biological Truth to the Federal Government. In the interim, any previously issued diversity, equity, inclusion, or gender-related guidance on this webpage should be considered rescinded that is inconsistent with these Executive Orders.

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Diablo Canyon Power Plant, Unit 1

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3304

Diablo Canyon Power Plant, Unit 2

Location: Avila Beach, CA (12 miles WSW of San Luis Obispo, CA); Region IV; Type: Westinghouse Four-Loop; Licensed MWt: 3468

Response Regarding Licensee Phase 1 Staffing Submittal Associated with Near Term Task Force Recommendation 9.3 Related to the Fukushima Dai-Ichi Nuclear Power Plant.

October 23, 2013 The Operating Power Reactors on Enclosed List SUBJECT: RESPONSE REGARDING LICENSEE PHASE 1 STAFFING SUBMITTALS ASSOCIATED WITH NEAR-TERM TASK FORCE RECOMMENDATION 9.3 RELATED TO THE FUKUSHIMA DAI-ICHI NUCLEAR POWER PLANT ACCIDENT By letter dated ...

9/18/2013 - Summary of Category 2 Public Meeting to Discuss the Part 26 Subpart I (Fatigue Management) Proposed Rulemaking.

October 29, 2013 MEMORANDUM TO: Shana R. Helton, Chief Rulemaking Branch Division of Policy and Rulemaking Office of Nuclear Reactor Regulation FROM: Scott C. Sloan, Project Manager /RA/ Rulemaking Branch Division of Policy and Rulemaking Office of Nuclear Reac...

Decommissioning Trust Fund Letter to All Licensees.

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555·0001 April 6, 2012 Holders of Licenses for Operating Power Reactors SUBJECT: CLOSURE OF DECOMMISSIONING FUNDING STATUS REPORT REVIEWS FOR INFORMATION PROVIDED AS OF DECEMBER 31, 2010 In 1988, the U.S. Nuclea...

Palo Verde Nuclear Generating Station - Emergency Core Cooling System (ECCS) Performance Evaluation Models, 10 CFR 50.46(a)(3)(ii) Annual Report For Calendar Year 2011.

10 CFR 50.46(a)(3)(ii)ZA subsidiary of Pinnacle West Capital CorporationThomas N. Weber Mail Station 7636Palo Verde Nuclear Department Leader Tel. 623-393-5764 PO Box 52034Generating Station Regulatory Affairs Fax 623-393-5442 Phoenix, Arizona 85072-2034102-06503-TNW/RAS/RKRAp...

LER 11-004-00 for Comanche Peak Nuclear Power Plant (CPNPP), Unit 2 Regarding Human Error Resulting in Inoperability of All Safety Injection Accumulators.

Rafael FloresSenior Vice President& Chief Nuclear Officerrafael.flores@Luminant.comLuminant PowerP 0 Box 10026322 North FM 56Glen Rose, TX 76043LuminantT 254 897 5550C 817 5590403F 254 897 6652CP- 201101223TXX -11109Ref. # 10CFR50.73(a)(2)(vii)(D)September 8, 2011U. S. Nuclear...

LER 12-004-00 for Palo Verde, Unit 1 Regarding Essential Spray Pond Pump Actuation Due to a Control Room Essential Filtration Actuation Signal.

10 CFR 50.73* Ae A subsidiary of Pinnacle West Capital CorporationPalo Verde NuclearGenerating StationDwight C. MimsSenior Vice PresidentNuclear Regulatory and OversightTel. 623-393-5403Fax 623-393-6077Mail Station 7605P.O. Box 52034Phoenix, Arizona 85072-2034102-06603-DCM/FJO...

Palo Verde, Units 1 and 3 - Response to Request for Additional Information Regarding Steam Generator Replacement and Power Uprate - Instrumentation and Controls Section.

10 CFR 50.90David MauldinVice President Mail Station 7605Palo Verde Nuclear Nuclear Engineering Tel: 623-393-5553 PO Box 52034Generating Station and Support Fax: 623-393-6077 Phoenix, Arizona 85072-2034102-05305-CDM/TNW/RABJuly 9,2005ATTN: Document Control DeskU. S. Nuclear Re...

Requests consideration of observations described in encl document,per 890106,0202 & 0531 responses to Generic Ltr 88-17 re expeditious actions for loss of DHR.

June 19, 1990Docket No. 50-390Mr. Oliver D. Kingsley, Jr.Senior Vice President, Nuclear PowerTennessee Valley Authority6N 38A Lookout Place1101 Market StreetChattanooga, Tennessee 37402-2801Dear Mr. Kingsley:Distribution~EroctFileNRC PDRLocal PDRWBN Rdg. FileSVargaGLainasBWils...

Palo Verde Response to NRC Confirmatory Action Letter (CAL) -4-07-004, Action 5: Submittal of Portions of the Modified Improvement Plan.

Confirmatory Action Letter - CAL-4-07-004 A subsidiary of Pinnacle West Capital Corporation Randall K. Edington Mail Station 7602 Palo Verde Nuclear Executive Vice President Tel (623) 393-5148 PO Box 52034 Generating Station Chief Nuclear Officer Fax (623) 393-6077 Phoenix, Ar...

Humboldt Bay Independent Spent Fuel Storage Installation, License Amendment Request 08-01, Revision to Technical Specifications Table 2.1-1.

Pacific Gas andElectric Company'John T. Conway Diablo Canyon Power PlantSenior Vice President & P. 0. Box 56Chief Nuclear Officer Avila Beach, CA 93424805.545.3333March 5, 2008 Fax: 805.545.6445PG&E Letter HIL-08-001ATTN: Document Control DeskDirector, Spent Fuel Project Offic...

LER 02-001-00 for Palo Verde, Unit 2 re Main Steam Safety Valve As-Found Lift Pressures Outside of Technical Specification Limits.

1 OCFR50.73William E. ide Mail Station 7602Palo Verde Nuclear Vice President TEL (623) 393-6116 P.O. Box 52034Generating Station Nuclear Production FAX (623) 393-6077 Phoenix, AZ 85072-2034192-01105-WEI/SAB/DJSMay 1, 2002U. S. Nuclear Regulatory CommissionATTN: Document Contro...

LER 06-004-00 for Palo Verde, Unit 1, re TS Required Reactor Shutdown on Failure of the Class Pressurizer Heaters to be Able to Meet Their Mission Time.

10 CFR 50.73i 4%or M;-rr- ýW-'d A subsidiary of Pinnacle West Capital CorporationPalo Verde NuclearGenerating StationCliff EubanksVice PresidentNuclear OperationsTel (623) 393-6116Fax (623) 393-6077Mail Station 7602PO Box 52034Phoenix, Arizona 85072-2034102-05595-CE/SAB/DJSNov...

LER 10-001-00 for Palo Verde, Unit 3, Regarding Remote Shutdown Panel Pressurizer Auxiliary Spray Valve - Condition Prohibited by Technical Specifications.

10 CFR 50.73zAL A subsidiary of Pinnacle West Capital CorporationPalo Verde NuclearGenerating StationDwight C. MimsVice PresidentRegulatory Affairs and Plant ImprovementTel. 623-393-5403Fax 623-393-6077Mail Station 7605P.O. Box 52034Phoenix, Arizona 85072-2034102-06291 -DCM/FJ...

G20110190/LTR-11-0126/EDATS: SECY-2011-0151 - Ltr. to Sens. Barbara Boxer & Tom Carper Re: Investigation of Nuclear Facilities in the United States - Withstand Catastrophic Natural or Man-Made Disasters

UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 April 8, 2011 The Honorable Barbara Boxer Chairman, Committee on Environment and Public Works United States Senate Washington, D.C. 20510 Dear Madam Chairman: On behalf of the U.S. Nuclear Regulatory Com...

SECY-11-0060 - Weekly Information Report - Week Ending 04/22/11

INFORMATION REPORT May 3, 2011 SECY-11-0060 For: The Commissioners From: Mary C. Muessle Acting Assistant for Operations Office of the Executive Director for Operations Subject: WEEKLY INFORMATION REPORT - WEEK ENDING APRIL 22, 2011 Contents Enclosure Nuclear R...

Palo Verde, Unit 1, 2 & 3, Response to the Second Request for Additional Information Regarding License Amendment Request to Revise the Feedwater Line Break with Loss of Offsite Power & Single Failure Analysis (TAC NOS. ME4596, ME4597, and ME4598).

10 CFR 50.90ALL_ 1 A subsidiary of Pinnacle West Capital CorporationDwight C. Mims Mail Station 7605Palo Verde Nuclear Senior Vice President Tel. 623-393-5403 P.O. Box 52034Generating Station Nuclear Regulatory and Oversight Fax 623-393-6077 Phoenix, Arizona 85072-2034102-0636...

LER 11-001-00, for Comanche Peak, Units 1 & 2, Regarding Potential for Steam Voiding Causing Residual Heat Removal System Inoperability.

LuminantRafael FloresSenior Vice President& Chief Nuclear Officerrafael.flores@Luminant.comLuminant PowerP 0 Box 10026322 North FM 56Glen Rose, TX 76043T 254 897 5550C 817 559 0403F 254 897 6652CP- 201100678TXX -11061Ref. # 10CFR50.73(a)(2)(v)(D)10CFR50.73(a)(2) (vii)May 18, 2...

LER 10-003-00 for Palo Verde, Unit 1, Regarding Technical Specification Violation - Loss of Containment Building Equipment Hatch Closure Capability.

10 CFR 50.73A subsidiary of Pinnacle West Capital CorporationDwight C. Mims Mail Station 7605Palo Verde Nuclear Vice President Tel. 623-393-5403 P.O. Box 52034Generating Station Regulatory Affairs and Plant Improvement Fax 623-393-6077 Phoenix, Arizona 85072-2034102-06213-DCM/...

LER 10-002-01 for Comanche Peak Nuclear Power Plant Unit 1 Regarding Loss of Automatic Initiation of Auxiliary Feedwater Upon Loss of Main Feedwater.

Rafael FloresSenior Vice President& Chief Nuclear Officerrafael.flores@Luminant.comLuminant PowerP 0 Box 10026322 North FM 56Glen Rose, TX 76043LuminantT 254 897 5550C 817 559 0403F 254 897 6652CP-201000829TXX-10086Ref: 10CFR50.73(a)(2)(i)(B)10CFR50.73(a)(2)(vii)June 23, 2010U...

SECY-10-0086 - Weekly Information Report - Week Ending 06/25/10

INFORMATION REPORT July 1, 2010 SECY-10-0086 For: The Commissioners From: Nader L. Mamish Assistant for Operations Office of the Executive Director for Operations Subject: WEEKLY INFORMATION REPORT - WEEK ENDING JUNE 25, 2010 Contents Enclosure Nuclear Reacto...

Suppl 1 to NRC Info Notice 91-029, "Deficiencies Identified During Electrical Distribution Sys Functional Insp."

UNITED STATES NUCLEAR REGULATORY COIMMISSION OFFICE OF NUCLEAR REACTOR REGULAIION WASHINGTON, D.C. 20555 September 14, 1992 NRC INFORMATION NOTICE 91-29, SUPPLEMENT 1: DEFICIENCIES IDENTIFIED DURING ELECTRICAL DISTRIBUTION SYSTEM FUNCTIONAL INSPECTIONS Addressees All holders o...

LER 06-006-00 for Palo Verde Nuclear Generating Station Unit 1 re Reactor Trip Due to Core Protection Calculator Generated Low Departure from Nuclear Boiling Ratio (DNBR) Trip Signal.

10 CFR 50.73L A LM A subsidiary of Pinnacle West Capital CorporationCliff Eubanks Mail Station 7602Palo Verde Nuclear Vice President Tel (623) 393-6116 PO Box 52034Generating Station Nuclear Operations Fax (623) 393-6077 Phoenix, Arizona 85072-2034102-05612-C E/SAB/DJSDecember...

LER 06-002-00 for Comanche Peak re: Reactor Trip Due to a Secondary Transient Initiated During Load Rejection Testing.

wTXU PowerI"XU PowerCxmanche Peak SteamEfechic StationP. 0. Box 1002 (E01)Glen Rose, TX 76043Tel: 254 897 5209Fax: 254 897 6652mike.blevins@txu.comMike BlevinsSenior Vice President &Chief Nuclear OfficerRef: #10CFR50.73(a)(2)(iv)(A)CPSES-200602238Log # TXX-06184December 18, 2...

Beaver Valley Power Station, Unit Nos. 1 and 2 (BVPS-1 AND 2), Inservice Inspection (ISI) Program, Alternative Examination of Reactor Coolant Pipe Welds, Request for Relief NO. BV3-RV-3.

October 23, 2006Mr. James H. LashSite Vice PresidentFirstEnergy Nuclear Operating CompanyBeaver Valley Power StationMail Stop A-BV-SEB1P.O. Box 4, Route 168Shippingport, PA 15077SUBJECT: BEAVER VALLEY POWER STATION, UNIT NOS. 1 AND 2 (BVPS-1 AND 2),INSERVICE INSPECTION (ISI) ...

Status of NRC Risk-Informed Activities and Associated Issues.

Status of NRC Risk-Informed Activities and Associated Issues1Mary Drouin, Office Nuclear Regulatory ResearchDonnie Harrison, Office of Reactor RegulationLynn Mrowca, Office of New ReactorsOctober 19, 2010Purpose of Meeting „ Status of staff’s (NRR, NRO, RES) risk-informed acti...