WEEKMONTHYEARENS 565442023-05-30T08:46:00030 May 2023 08:46:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip
ENS 549882020-11-08T13:29:0008 November 2020 13:29:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Due to Earthquake Felt Onsite
ENS 546632020-04-13T19:50:00013 April 2020 19:50:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Trip Due to Low Condenser Vacuum
ENS 546312020-04-01T20:25:0001 April 2020 20:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip Due to Circuit Fault
ENS 544572019-12-27T12:04:00027 December 2019 12:04:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Trip Due to Feedwater Pump Trip
ENS 530052017-10-09T18:05:0009 October 2017 18:05:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Notification of Unusual Event - Flammable Gas in the Turbine Building
ENS 529042017-08-15T11:48:00015 August 2017 11:48:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Due to Fire Alarm in Containment
ENS 521692016-08-11T13:59:00011 August 2016 13:59:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Loss of Two Circulating Water Pumps
ENS 519292016-05-15T10:38:00015 May 2016 10:38:00
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
Unusual Event Due to Main Generator Hydrogen Leak in Turbine Building
ENS 516822016-01-25T06:47:00025 January 2016 06:47:00
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 Reactor Coolant Pump Trip
ENS 515212015-11-08T07:30:0008 November 2015 07:30:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Reactor Coolant Pump Oil Leak
ENS 515132015-11-04T16:33:0004 November 2015 16:33:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Fire on the 'A' Emergency Diesel Generator
ENS 514482015-10-04T13:32:0004 October 2015 13:32:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Declared Due to Identified Rcs Leakage > 25 Gpm
ENS 501422014-05-25T11:02:00025 May 2014 11:02:00
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, 10 CFR 50.72(b)(3)(xiii), Loss of Emergency Preparedness
Unusual Event Due to Loss of Offsite Power
ENS 501412014-05-25T11:02:00025 May 2014 11:02:00
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
Unusual Event Due to Loss of Offsite Power
ENS 495252013-11-09T20:13:0009 November 2013 20:13:00
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 Loss of Condenser Vacuum
ENS 492602013-08-10T01:19:00010 August 2013 01:19:00
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 Water Level
ENS 520002013-06-13T00:13:00013 June 2013 00:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 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 and Reactor Trip
ENS 490392013-05-16T06:56:00016 May 2013 06:56:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip During Control Rod Testing
ENS 474612011-11-20T22:58:00020 November 2011 22:58:00
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 Condenser Vacuum During Startup
ENS 469712011-06-20T15:52:00020 June 2011 15:52:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unit 2 Reactor Trip Following the Loss of the "B" Main Feedwater (Mfw) Pump
ENS 464412010-11-28T20:15:00028 November 2010 20:15:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip After Turbine Trip Due to Loss of Condenser Vacuum
ENS 459452010-05-22T20:45:00022 May 2010 20:45:00
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 Steam Generator Water Level Control
ENS 459312010-05-17T14:17:00017 May 2010 14:17:00
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 Low Steam Generator Water Level
ENS 457292010-02-26T16:25:00026 February 2010 16:25:00
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 Two Circulating Water Pumps
ENS 455832009-12-20T03:53:00020 December 2009 03:53:00
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 a Turbine/Generator Electrical Fault
ENS 454982009-11-15T13:26:00015 November 2009 13:26:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unit 2 Declared an Unusual Event Due to a Loss of Annunciators
ENS 451832009-07-03T17:05:0003 July 2009 17:05:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Trip Resulting from Turbine Trip
ENS 445642008-10-12T02:36:00012 October 2008 02:36:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Turbine Trip/ Automatic Reactor Trip on Low Steam Generator Level
ENS 443262008-06-28T15:46:00028 June 2008 15:46:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Loss of Both Feedwater Pumps
ENS 442382008-05-24T13:54:00024 May 2008 13:54:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Loss of Offsite Power
ENS 442342008-05-22T18:20:00022 May 2008 18:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Trip Due to Lightning Strike
ENS 441212008-04-06T17:17:0006 April 2008 17:17:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event from Reactor Coolant System Leakage
ENS 433182007-04-25T15:01:00025 April 2007 15:01:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Loss of Offsite Power While Defueled
ENS 427252006-07-25T13:45:00025 July 2006 13:45:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Trip Breakers Opened During Maintenance on Steam Generator Wide Level Channels
ENS 423672006-02-23T15:22:00023 February 2006 15:22:00
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 Main Feedwater
ENS 421802005-12-01T19:45:0001 December 2005 19:45:00
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 Low Steam Generator Level
ENS 420242005-09-29T17:10:00029 September 2005 17:10:00
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 Circulating Water Pumps
ENS 416072005-04-17T12:42:00017 April 2005 12:42:00
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, 10 CFR 50.72(b)(2)(iv)(A), System Actuation - ECCS Discharge
Alert Declared Due to Unit 3 Main Steam Relief Valves Not Reseating After Actuation
ENS 413332005-01-14T14:55:00014 January 2005 14:55:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Licensee Reported a Fire in the Turbine Building
ENS 405912004-03-16T01:20:00016 March 2004 01:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip at Millstone 2 Due to Spurious Loss of One Main Feed Pump
ENS 405702004-03-06T05:50:0006 March 2004 05:50:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip at Millstone 2 Due to Spurious Trip of the "B" Feed Pump
ENS 403612003-11-29T03:05:00029 November 2003 03:05:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip from 11% Power Due to Turbine Vibration
ENS 403582003-11-27T11:29:00027 November 2003 11:29:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Plant Had a Manual Reactor Trip from 23% Power Due to Turbine Vibration
ENS 402452003-10-14T08:04:00014 October 2003 08:04:00
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat, 10 CFR 50.72(a)(1)(i), Emergency Class Declaration
Unusual Event Declared - Loss of Shutdown Cooling
2023-05-30T08:46:00
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