WEEKMONTHYEARENS 560132022-07-23T00:49:00023 July 2022 00:49:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Auxiliary Feedwater Actuation Signal Received Due to Human Performance Error
ENS 560052022-07-18T23:03:00018 July 2022 23:03:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Steam Generator LOW Level
ENS 554162021-08-18T15:36:00018 August 2021 15:36:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip
ENS 552522021-05-12T16:25:00012 May 2021 16:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip, Main Feed Isolation, and Auxilliary Feedwater System Actuation
ENS 540872019-05-24T18:10:00024 May 2019 18:10:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Loss of Offsite Power Due to Fire on Startup Transformer
ENS 526662017-04-05T19:00:0005 April 2017 19:00:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Unanalyzed Condition for Both Edg Transfer Line Connections
ENS 523712016-11-17T03:09:00017 November 2016 03:09:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Emergency Diesel Generator Started on Valid Undervoltage Signal
ENS 510362015-05-03T15:22:0003 May 2015 15:22:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Feedwater Isolation, Turbine Trip and Manual Reactor Trip During Power Ascension
ENS 508552015-02-28T06:00:00028 February 2015 06:00:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Auxiliary Feedwater Actuation Due to Planned Reactor Trip
ENS 505102014-10-06T18:36:0006 October 2014 18:36:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Alert Declared - Fire in a Diesel Generator Potential Transformer
ENS 493392013-09-11T22:31:00011 September 2013 22:31:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
Technical Specification Required Shutdown Due to Loss of Cooling to Switchgear Rooms
ENS 489142013-04-11T20:10:00011 April 2013 20:10:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event for a Fire Lasting Greater than 15 Minutes
ENS 488202013-03-13T06:49:00013 March 2013 06:49:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Declared Due to Inoperable Emergency Diesel Generators
ENS 488022013-03-02T04:42:0002 March 2013 04:42:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Due to Loss of Both Emergency Diesel Generators
ENS 481742012-08-09T23:45:0009 August 2012 23:45:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(v)(C), Loss of Safety Function - Release of Radioactive Material
Control Building A/C Unit May Not Perform Design Function on Loss of Redundant A/C Unit
ENS 475902012-01-13T20:03:00013 January 2012 20:03:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Notification of Unusual Event and Reactor Trip Due to Loss of Offsite Power
ENS 470762011-07-20T18:15:00020 July 2011 18:15:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Fire Protection Program Concern
ENS 469902011-06-26T21:09:00026 June 2011 21:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Manual Trip Due to Main Feed Pump Trip
ENS 469092011-06-01T18:15:0001 June 2011 18:15:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Both Trains of Component Cooling Water Declared Inoperable Due to Voiding
ENS 468772011-05-24T16:20:00024 May 2011 16:20:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Lo-Lo Level in Steam Generator Results in Specified System Actuations
ENS 466852011-03-19T09:04:00019 March 2011 09:04:00
10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Safety Injection Discharge to the Reactor
ENS 463382010-10-17T14:53:00017 October 2010 14:53:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip on Low Steam Generator Level During Plant Startup
ENS 461362010-07-28T19:22:00028 July 2010 19:22:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Three Auxiliary Feedwater (Afw) Trains Declared Inoperable
ENS 459642010-05-29T22:30:00029 May 2010 22:30:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Containment Purge Isolation Signal Caused Control Room Isolation System Actuation
ENS 457492010-03-08T09:33:0008 March 2010 09:33:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Loss of All Main Feedwater
ENS 457452010-03-05T06:07:0005 March 2010 06:07:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Specified System Actuation - Feedwater Isolation Due to High Steam Generator Water Level
ENS 457392010-03-02T20:58:0002 March 2010 20:58:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Caused by Low Steam Generator Water Level
ENS 454562009-10-22T22:39:00022 October 2009 22:39:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Declared Due to Inoperable Diesel Generators While Defueled
ENS 452812009-08-21T11:48:00021 August 2009 11:48:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Feed Water Isolation Due to High Steam Generator Water Level
ENS 452782009-08-19T20:49:00019 August 2009 20:49:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Caused by Turbine Trip
ENS 450272009-04-28T20:27:00028 April 2009 20:27:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip on Low Steam Generator Level Due to Feedwater Valve Failure
ENS 441232008-04-07T15:33:0007 April 2008 15:33:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event - Loss of Off-Site Power While Defueled
ENS 440722008-03-17T18:00:00017 March 2008 18:00:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Due to Lowering Steam Generator Level Due to the Loss of 'B' Main Feed Water Pump
ENS 438922008-01-11T00:12:00011 January 2008 00:12:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Voiding Discovered in High Head and Intermediate Head Si Common Suction
ENS 423272006-02-10T17:00:00010 February 2006 17:00:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Potential for Loss of Safe Shutdown Capability
ENS 420292005-09-30T14:45:00030 September 2005 14:45:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(3)(ii)(B), Unanalyzed Condition
Potential Vulnerabilities Discovered During Design Basis Fire Review
ENS 411132004-10-11T12:25:00011 October 2004 12:25:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Loss of Switchyard West Bus
ENS 411002004-10-07T16:48:0007 October 2004 16:48:00
10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Main Turbine Trip
ENS 409742004-08-22T15:10:00022 August 2004 15:10:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip During Surveillance Test
ENS 405962004-03-17T20:57:00017 March 2004 20:57:00
10 CFR 50.72(b)(3)(v)(A), Loss of Safety Function - Shutdown the Reactor, 10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident
Switchgear Rooms Flooding Analysis Concerns
ENS 405722004-03-07T03:47:0007 March 2004 03:47:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Plant Had a Loss of Power to the Startup Transformer and the "B" Train 4.16Kv Esfas Bus.
ENS 405172004-02-13T14:10:00013 February 2004 14:10:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Rps Actuation Due to Low Steam Generator Level
ENS 400862003-08-18T20:54:00018 August 2003 20:54:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due Low Low "B" Steam Generator Water Level
2022-07-23T00:49:00
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