Cook Nuclear Plant Reactor Shut Down for Maintenance

Cook Nuclear Plant Reactor Shut Down for Maintenance

By Editors of Power Engineering

Indiana Michigan Power announced Cook Nuclear Plant Unit 2 will shut down Tuesday at midnight for refueling and maintenance.

Though the outage will be extended due to the replacement of the main turbine and the inspection and replacements of baffle bolts supporting internal components, the reactor is expected to return to service by the end of the year.

“Extension of this outage is the right thing for us to do at this time.” said Joel Gebbie, AEP’s senior vice president and chief nuclear officer. “The new turbine will provide reliable generation for decades to come, and taking action now on the baffle bolt issue will begin the overall resolution of this important matter.”

During Unit 2’s 18-month fuel cycle, the unit generated an estimated 13.5 million MW/hours of electricity at a capacity of 99.4 percent. Unit 2 operated at full power for the last five fuel cycles doing back to May 2009.

However, Unit 2 was taken offline July 6 when a steam leak was discovered.

Cook Unit 1 remains at 100 percent power.

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