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AEP's Cook Nuclear Plant Unit 2 in Michigan shut after steam leakage

American Electric Power Company Inc's. Indiana Michigan Power on Wednesday stated its 1,194 internet. megawatts Cook Nuclear Plant Unit 2 has been by hand tripped. offline after a steam leak was discovered on May 14.

The reason for the steam leak is still being determined and. the repair is underway, the business stated in a news release.

At 6:00 p.m. on Tuesday, operators started to decrease power to. allow for repair of the steam leak, and eliminated a turbine from. service to isolate the leak, the company said.

The reactor was removed from service at 4:27 a.m. on. Wednesday, while Unit 1 of the Cook plant stays at 100% power. with no effect to customer service, it included.

The Cook Nuclear plant's Unit 1 primarily services Southwest. Michigan and Unit 2 services Northwest/Central Indiana (as far. south as Fort Wayne, IN), based on the company site.

The business has not provided return to service details,. however, it does not anticipate the repair to be lengthy.

In late March, the reactor went into its twenty-seventh. refueling outage after running for 12,023 hours throughout its last. cycle at a capability element of 99.4%, creating 14,094,064. megawatt-hours of (net) electrical energy.

The reactor's operating license is set to expire in December. of 2037, according to the Nuclear Regulatory Commission