UPDATE: Oyster Creek Nuclear Generating Station Shut Down

Workers to perform inspection inside drywell

Operators at the Oyster Creek Generating Station began a plant shutdown at 8 p.m. Monday night to inspect and replace a piece of safety equipment that operates valves located inside the drywell, Exelon spokeperson Suzanne D'Ambrosio said.

"Because the equipment is inside the drywell, this inspection cannot be performed while the reactor is in operation," she said. 

The Oyster Creek nuclear power plant was shut down last night in response to degradation of electromatic relief valves (ERVs) that has been identified. Five such valves are involved.

Oyster Creek staff had planned to visually inspect the valves and replace components as necessary while the plant was shut down, D'Ambrosio said.

The ERVs are part of the plant's automatic depressurization system (ADS), which supports the emergency core cooling system. The ADS is designed to depressurize the reactor during a small (pipe) break loss-of-coolant accident to permit the low-pressure core spray system to inject water into the reactor core, according to the facility.

Inspectors assigned to Oyster Creek on a full-time basis have been closely following developments involving the evaluation of the valves and the decision to take the reactor off-line to address the issue. They will continue to do so until the problem is satisfactorily resolved, according to the facility.

Here is a link to the Event Notification Exelon submitted to us regarding the outage: http://www.nrc.gov/reading-rm/doc-collections/event-status/event/en.html .


Tim July 08, 2014 at 09:40 AM
@ OpticianAndy, you need to relax. I too would like to see the plant be replaced with a new Nuclear Plant, however your fears in your post has about the same chance of happening as being hit by Lightning and and the lottery in the same day. Very, very remote.
I dont get it July 08, 2014 at 11:49 AM
First of all @OpticianAndy if the plant "blew up it'd kill more than tens of thousands of people and second of all if you don't like it move no ones keeping you here. Maybe your lower taxes due to the power plant are?
OpticianAndy July 08, 2014 at 01:33 PM
Every one before they moved here knew the plant was here. You don't like it move out. See ya.
grace July 09, 2014 at 11:44 AM
put in solar and wind on that toxic lot please!!!


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