Grounding

Quad Cities Trips Due to Energizing a Switchyard Ground

Although this event was initially reported in Event Report 47799 on April 2, 2012, this subsequent report provides further details and some related safety issues.  To date it is unknown why Event Report…

RHR System Enformable

Kewaunee redundant safety equipment rendered inoperable due to through wall leak

Event Number: 47871 Kewaunee BOTH TRAINS OF RESIDUAL HEAT REMOVAL DECLARED INOPERABLE “At 1742 EDT on 04/27/2012, while in Mode 5, both trains of RHR (Residual Heat Removal) were declared inoperable due to…

413D0029

NOTICE OF UNUSUAL EVENT DUE TO DUAL UNIT LOSS OF OFFSITE POWER AT CATAWBA NUCLEAR PLANT

Event Number: 47805 – NOTICE OF UNUSUAL EVENT DUE TO DUAL UNIT LOSS OF OFFSITE POWER At 2003 EDT on 4/4/12 Catawba Unit 1 automatically tripped due to a loss of offsite power….

Catawba

Fire at Catawba Nuclear Power Plant in vital battery room area

Event Number: 47795 “At 0624 EDT on 04/02/2012 the control room was notified by a plant operator that there was a fire in the plant vital battery room area on Unit 2. The…

a352

SECOND Loss of Offsite Power at the Byron Nuclear Power Plant Since January 23 – No Inclement Weather

For the second time in a month, a power interruption caused operators at Byron Generating Station to declare an “unusual event,” officials said in a news release sent around 10 p.m. Tuesday. Byron…

Locations where RHR and Core Spray enter Reactor

Brunswick Unit 1 and 2 Electrical Bus Problem Causes Loss of Half of Emergency Cooling Systems AND a Plant SCRAM

Brunswick events number 47687 and 47690 On 2/22/2012 at approximately 7 PM eastern time, the Brunswick site experienced a loss of balance of plant (BOP) Electrical Bus “Common C”. Several important loads that…

Enformable TVA workers carry out refueling operations on the Unit 2 reactor.-683

NRC says 11 nuclear plants need to provide information on effects of irradiation on nuclear fuel

The Nuclear Regulatory Commission has requested information from 11 nuclear power plants, mainly concerning analyses of the effects of irradiation on nuclear fuel’s physical properties under certain postulated accident conditions. The agency is…

CHINE : Construction de la Centrale LING DONG  TR 3 et 4

Iowa Nuke construction bill would add $800 annual increase for ratepayers

House File 561, a bill that would allow an investor-owned utility to charge ratepayers for a proposed nuclear power plant construction project’s upfront costs even if the reactors are never built,  amounts to…

Enformable Hanford

Developing story on leak at Hanford Central Waste Complex

NBC Right Now has learned there’s been a leak at the Central Waste Complex site, a Department of Energy facility at Hanford.  It was  discovered on February 6th during a routine survey done…

Vogtle Construction

A look at the year cost estimates for the first two Vogtle Nuclear Units over the years

The Alvin W. Vogtle Electric Generating Plant, also known as Plant Vogtle, is a 2-unit nuclear power plant located in Burke County, near Waynesboro, Georgia.  When the two original nuclear units at Plant Vogtle were planned, the total cost estimate…

Vogtle Construction

Why are unusually high numbers of reactor operators failing licensing tests at Plant Vogtle?

The U.S. Nuclear Reg­ulatory Commission wants Southern Nuclear to explain why an unusually high number of reactor operators failed their initial licensing tests at Plant Vogtle last year. “They are doing a root…

wolfcreek Enformable

Unusual sequence of events revolving around Wolf Creek Offsife Power Loss

Power Reactor Event Number: 47590 Facility: WOLF CREEK Region: 4 State: KS Unit: [1] [ ] [ ] RX Type: [1] W-4-LP NRC Notified By: TERRY DAMASHEK HQ OPS Officer: HOWIE CROUCH Notification Date: 01/13/2012 Notification…

Clinton NPP

Clinton Nuclear Power Plant SCRAM due to high reactor steam dome pressure

Power Reactor Event Number: 47489 Facility: CLINTON Region: 3 State: IL Unit: [1] [ ] [ ] RX Type: [1] GE-6 NRC Notified By: KEN LEFFEL HQ OPS Officer: STEVE SANDIN Notification Date: 11/29/2011 Notification Time:…

Enformable 304b-chapter12_Page_42-1200

Nuclear Engineer shares concerns about Brunswick Nuclear Leak

The US Nuclear Regulatory Commission will begin a special inspection at Progress Energy’s Brunswick-2 unit in North Carolina after the utility said Friday the reactor pressure vessel’s lid was not adequately tightened when…

EBMT Nuclear Accident Committee (EBMT NAC)

Nuclear Accident Committee work to develop common guidance

EBMT News, August 2011 Report following meeting of EBMT Nuclear Accident Committee, London 9th June 2011 As a consequence of the Fukushima Daiichi power plant incident, a group hosted by the EBMT NAC…

NRC Uranium Shipment

United States Sent Undisclosed ‘Nuclear Weapon Package’ to Japan 5 Days Before Hiroshima Atomic Bomb Memorial

 On Monday, August 6, 1945, at 8:15 AM, the Atomic Bomb ”Little Boy” was dropped on Hiroshima by an American B-29 bomber, directly killing an estimated 80,000 people. By the end of the year, injury…

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