United States Nuclear Regulatory Commission - Protecting People and the Environment

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
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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
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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
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Page Last Reviewed/Updated Wednesday, September 23, 2020