Energy Central Professional


Cook Nuclear Plant unit completes refueling outage

Juliana Knot  


    BRIDGMANIndiana Michigan Power's Cook Nuclear Plant Unit 1 completed its refueling outage, connecting to the transmission grid at 5:39 a.m. on Monday.

    The outage began April 2 and lasted 59 days.

    In addition to refueling the reactor and performing regular maintenance and testing work, the outage also included an inspection of the high-pressure turbine, inspection and maintenance of the unit's steam generators, an upgrade to a safety-related control system, seal replacement on all three of the unit's main condensers and a digital control upgrade to the moisture separator reheater system, a news release stated.

    More than 1,200 contracted workers were brought in, in addition to the regular 1,000-person plant staff, leading up to and during the outage.

    Nearly 11,000 maintenance, inspection and equipment modification job activities totaling 240,000 work hours were completed during two daily 12-hour work shifts, the release stated.

    At full capacity, the 1,084-net MW Unit 1 and 1,194-net MW Unit 2 combined produce enough electricity for more than 1.5 million average homes.


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