Indiana Michigan Power’s Cook Nuclear Plant Unit 2 will begin its twenty-fifth refueling outage Saturday, April 17, at 3:00 a.m. Power on Unit 2 will be reduced in the days prior to allow for equipment testing before the outage begins. The unit will have operated for 11,987.55 hours during its last cycle at a capacity factor of 98.3 percent, generating 14,181,471 megawatt-hours of electricity.