Blizzard Hercules catastrophe at Pilgrim Nuclear Plant?

Posted in the Brattleboro Forum

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1 - 10 of 10 Comments Last updated Jan 3, 2014
Mike Mulligan

Brattleboro, VT

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#1
Jan 2, 2014
 
Blizzard Hercules catastrophe at Pilgrim Nuclear Plant tonight?

I give them a 30% of staying up at power tonight...when we most need them. Almost a certainty they will lose again all off site power to the facility. There is no way they got the problems fixed about the high voltage transmission system and with icing up and causing shorts on their own transformers and switchyard! Pilgrim has a long history with not tolerating blazzards well!

It is extremely dangerous and reckless operating the Pilgrim nuclear plant in NE Nor'easters.

Remember blizzard Nemo On February 8, 2013 that tripped off Pilgrim, whose switchyard that isn’t designed for the harsh winter climate....who scared the pants off us with regional electricity shortages.

What is the chance of their secret met tower failure like Nemo?

The National weather service just gave a blizzard warning
around the Pilgrim....
Mike Mulligan

Brattleboro, VT

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#2
Jan 2, 2014
 
Oh, yes...with the NE ISO market prices now around $200, they can smell how vulnerable we are!
Mike Mulligan

Brattleboro, VT

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#3
Jan 2, 2014
 
Remember this?

Notification Date: 02/08/2013

Notification Time: 22:50 [ET]

Event Date: 02/08/2013

Event Time: 22:00 [EST]

Last Update Date: 02/10/2013

UNUSUAL EVENT DECLARED DUE TO LOSS OF OFFSITE POWER

"Pilgrim Station scrammed on a loss of offsite power. All systems performed as designed. Groups I, II, VI went to completion. Reactor Core Isolation Cooling (RCIC) is injecting to the vessel controlling level. High Pressure Coolant Injection is in pressure control and slowly cooling down. Offsite power was lost multiple times. The Startup Transformer has been declared inoperable. The Unusual Event was declared under EAL SU 1.1 based on loss of offsite power greater than 15 minutes [at 2200 EST]."

The licensee originally experienced an automatic reactor scram at 2117 EST due to a load reject with a turbine trip/reactor scram due to loss of power. Offsite power availability has been fluctuating in and out to the site. The licensee states that all systems are functioning as required. All rods fully inserted and the reactor is stable in Mode 3. Both Emergency Diesel Generators are providing power to the safety related buses. The loss of offsite power is believed to be weather related.

The licensee has notified the State and local authorities and the NRC Resident Inspector.

Notified DHS SWO,
FEMA, USDA, HHS, DOE, DHS NICC, EPA, and NuclearSSA via email.

*** UPDATE FROM PAUL GALLANT TO VINCE KLCO AT 2/10/13 AT 1108 EST***

Pilgrim terminated the Unusual Event and has transitioned to recovery effective at 10:55 AM on 02/10/2013. Offsite power has been restored to safety-related and non-safety-related electrical buses through the station Startup Transformer via a single 345 KV line. The other two offsite power sources remain out of service. The emergency diesel generators have been secured and are in standby. Residual heat removal is in shutdown cooling mode maintaining the reactor in cold shutdown. Fuel Pool Cooling is in service with fuel pool coolant temperatures trending down.
Mike Mulligan

Brattleboro, VT

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#4
Jan 2, 2014
 
...LOSS OF OFFSITE POWER AND SUBSEQUENT PRESS RELEASE

"On Sunday, February 10, 2013 at 1405 [EST], with the reactor at 0% core thermal power, all control rods fully inserted, and in cold shutdown conditions, the plant experienced a loss of off-site power. With Pilgrim Station aligned to off-site power via the start-up transformer (SUT), a fault on the 'B' phase of the SUT was experienced due to suspected falling ice striking the phase's insulator. This resulted in the tripping of the feeder breaker, ACB-102, and the loss of power to 4160 KV buses A1 through A4. Emergency Diesel Generators (EDGs)'A' and 'B' auto-started as designed and are powering emergency buses.

"The loss of off-site power resulted in de-energization of both Reactor Protection System (RPS) channels resulting in a reactor scram signal and isolation of shutdown cooling. At 1418, shutdown cooling was returned to service. All other plant systems responded as designed. Station personnel are in the process of establishing back-up power in accordance with plant procedures.

"The following press release was made at 1715 hours:'Offsite power to Pilgrim station was interrupted this afternoon. The plant is in a cold shutdown condition and Pilgrim's diesel generators are providing power to the site. There is no worker or public safety concern. Plant personnel are troubleshooting the cause of the interruption.'

"This event had no impact on the health and/or safety of the public.

"The NRC Senior Resident Inspector has been notified."

Mike Mulligan

Brattleboro, VT

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#5
Jan 2, 2014
 
A late Thusday night like last year?
Mike Mulligan

Brattleboro, VT

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#6
Jan 2, 2014
 
A late Thusday night blizzard like last year?
Mike Mulligan

Brattleboro, VT

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#7
Jan 2, 2014
 
Think the natural gas market will be open over the weekend?
Mike Mulligan

Brattleboro, VT

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#8
Jan 2, 2014
 
It is going to be more powdery than wet as in Nemo...
Mike Mulligan

Brattleboro, VT

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#9
Jan 2, 2014
 
Pop, there it is, NEISO at $300 ...
Mike Mulligan

Brattleboro, VT

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#11
Jan 3, 2014
 
hmm?

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