WEEKMONTHYEARENS 578572025-08-09T15:13:0009 August 2025 15:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip
ENS 577732025-06-21T18:38:00021 June 2025 18:38:00
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 - Unit 4 Containment Isolation Failure Due to Bus Lockout
ENS 576042025-03-13T22:47:00013 March 2025 22:47:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Actuation of '4B' Emergency Diesel Generator
ENS 574532024-12-04T15:33:0004 December 2024 15:33:00
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 568132023-10-25T01:59:00025 October 2023 01:59:00
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 567552023-09-22T22:19:00022 September 2023 22:19:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip
ENS 566582023-08-04T17:20:0004 August 2023 17:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip
ENS 555132021-10-09T07:00:0009 October 2021 07:00:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Auxiliary Feedwater System AUTO-STARTED on Feedwater Isolation Signal
ENS 551172021-03-01T16:12:0001 March 2021 16:12:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip Due to Reactor Protection System Actuation
ENS 548472020-08-21T03:54:00021 August 2020 03:54:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Steam Generator Water Level Control
ENS 548442020-08-19T17:25:00019 August 2020 17:25:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip During Startup
ENS 548392020-08-18T01:13:00018 August 2020 01:13:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Rising Steam Generator Level
ENS 547622020-07-06T01:09:0006 July 2020 01:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Trip Due to Turbine Trip
ENS 540722019-05-18T15:08:00018 May 2019 15:08:00
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 Grid Disturbance
ENS 529602017-09-10T22:55:00010 September 2017 22:55:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip on Lowering Steam Generator Water Level
ENS 526232017-03-18T15:07:00018 March 2017 15:07:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 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)(i), Tech Spec Required Shutdown
Reactor Trip and Loss of Ability for Unit 4 to Supply Power to Unit 3
ENS 521362016-07-30T07:33:00030 July 2016 07:33:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Turkey Point Unit 3 Shutdown Due to Water Hammer
ENS 510652015-05-12T08:30:00012 May 2015 08:30:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip Due to Main Generator Differential Trip
ENS 506452014-11-30T18:54:00030 November 2014 18:54:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Auxiliary Feedwater Actuation Due to Planned Reactor Trip
ENS 503542014-08-11T14:20:00011 August 2014 14:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip on Loss of Instrument Air Followed by Safety Injection
ENS 501402014-05-25T09:36:00025 May 2014 09:36:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip Due to Turbine Trip on Loss of Condenser Vacuum
ENS 500542014-04-23T17:02:00023 April 2014 17:02:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Specified System Actuation During Rod Testing
ENS 490212013-05-10T15:08:00010 May 2013 15:08:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Unit 3 Manual Reactor Trip Due to Malfunction of Turbine Valves
ENS 489482013-04-19T21:20:00019 April 2013 21:20:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 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 Greater than 15 Minutes
ENS 488212013-03-13T15:20:00013 March 2013 15:20:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Afw Actuation Due to Trip of 3B Feedwater Pump
ENS 488172013-03-12T18:31:00012 March 2013 18:31:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Automatic Reactor Trip Due to Turbine Inlet Pressure Perturbation
ENS 487642013-02-18T06:31:00018 February 2013 06:31:00
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 High Seal Leakoff on Reactor Coolant Pump 3A
ENS 487442013-02-12T03:36:00012 February 2013 03:36:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip Due to Turbine Trip on Loss of Condenser Vacuum
ENS 466602011-03-06T21:44:0006 March 2011 21:44:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to Secondary Sodium Concentrations Exceeding Chemistry Limits
ENS 464712010-12-10T03:58:00010 December 2010 03:58:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip After Indications of a Condenser Tube Leak
ENS 464192010-11-15T11:03:00015 November 2010 11:03:00
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 a Circulating Water Pump with Another Pump Out of Service for Maintenance
ENS 462742010-09-23T21:14:00023 September 2010 21:14:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Trip Due to Inadvertent Energization Generator Trip
ENS 462652010-09-22T00:17:00022 September 2010 00:17:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip
ENS 462462010-09-09T19:34:0009 September 2010 19:34:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip During Startup Due to a Control Bank Step Counter Failure
ENS 462352010-09-08T17:45:0008 September 2010 17:45:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Automatic Reactor Trip During Maintenance on a Reactor Protection System Relay
ENS 456192010-01-11T15:55:00011 January 2010 15:55:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip Initiated Due to High Steam Generator Level
ENS 455222009-11-27T04:40:00027 November 2009 04:40:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Two Shutdown Bank Rods Were Dropped from Fully Withdrawn Position
ENS 440162008-02-29T09:51:00029 February 2008 09:51:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Manual Reactor Trip Due to High Steam Generator Water Level
ENS 440092008-02-26T18:09:00026 February 2008 18:09:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Units 3 and 4 Tripped Due to Grid Fluctuations
ENS 423992006-03-08T20:53:0008 March 2006 20:53:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Valid Actuation of Emergency Diesel Generators
ENS 421372005-11-11T20:02:00011 November 2005 20:02:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation
Manual Reactor Trip During Startup Following Failure of Rod Control Power Cabinet
ENS 421042005-11-01T03:27:0001 November 2005 03:27:00
10 CFR 50.72(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Unusual Event Declaration: Loss of Offsite Power Due to Loss of Startup Transformer
ENS 420562005-10-15T11:02:00015 October 2005 11:02:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Auxiliary Feedwater Actuation on a Manual Reactor Trip
ENS 418002005-06-27T07:16:00027 June 2005 07:16:00
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(a)(1)(i), Emergency Class Declaration, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Declaration of an Unusual Event Due Transformer Fire >10 Minutes
ENS 415162005-03-24T00:56:00024 March 2005 00:56:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Manually Tripped from 20% Power During Load Reduction.
ENS 415112005-03-22T08:47:00022 March 2005 08:47:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Reactor Manually Tripped Following Loss of Main Feed Pump
ENS 412982004-12-29T03:46:00029 December 2004 03:46:00
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 Generator Exciter Cooling Water Leak
ENS 412922004-12-25T12:36:00025 December 2004 12:36:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Unit4 Manually Tripped Due to Lowering Condenser Vacuum
ENS 412572004-12-14T16:45:00014 December 2004 16:45:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation
Reactor Manually Tripped Due to Fire on Unit 3 Hp Turbine
ENS 412322004-11-30T13:50:00030 November 2004 13:50:00
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 Dropped Control Rod
ENS 412292004-11-29T05:09:00029 November 2004 05:09:00
10 CFR 50.72(b)(3)(iv)(A), System Actuation, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown
Technical Specifications Required Shutdown Due to Dropped Control Rod
ENS 407522004-05-14T21:29:00014 May 2004 21:29:00
10 CFR 50.72(b)(2)(iv)(B), RPS System Actuation, 10 CFR 50.72(b)(3)(iv)(A), System Actuation
Scram Due to Lowering Steam Generator Level
2025-08-09T15:13:00
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