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Preliminary Notification (PN) Reports for 2020

| May | August | September |

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September
PNO-III-20-002A	09/22/2020	NextEra Energy/Duane Arnold Energy Center: Update: Notice of Unusual Event and Unplanned Shutdown Greater than 72 Hours Due to Loss of Offsite Power from Severe Weather Event; Decision to Permanently Shut Down
August
PNO-III-20-002	08/14/2020	NextEra Energy/Duane Arnold Energy Center: Notice of Unusual Event and Unplanned Shutdown Greater than 72 Hours Due to Loss of Offsite Power from Severe Weather Event
May
PNO-III-20-001A	05/11/2020	Indiana Michigan Power Company/Donald C. Cook Nuclear Plant: Update: Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits
PNO-III-20-001	05/04/2020	Donald C. Cook Nuclear Plant/Indiana Michigan Power Company: Unplanned Shutdown Greater than 72 Hours Due to Reactor Coolant System Leakage Exceeding Technical Specification Limits

Page Last Reviewed/Updated Wednesday, March 10, 2021