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Due to a lapse in appropriations, the NRC has ceased normal operations. However, excepted and exempted activities necessary to maintain critical health and safety functions—as well as essential progress on designated critical activities, including those specified in Executive Order 14300—will continue, consistent with the OMB-Approved NRC Lapse Plan.

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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
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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 Tuesday, March 09, 2021

Page Last Reviewed/Updated Tuesday, March 09, 2021