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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 2023

… information. July PNO-III-23-001A 07/21/2023 Monticello Nuclear Plant: Update to Preliminary Notification of Event … Occurrence – PNO-III-23-001 June PNO-III-23-002B 06/08/2023 Prairie Island Update to PNO-III-23-002 Declaration of an Unusual …

Preliminary Notification (PN) Reports for 2015

… June PNO-III-15-008 06/09/2015 Northern States Power Co.: Prairie Island Unit 2 Shutdown due to Trip of Main Power Turbine … Diesel Generator May PNO-I-15-002A 05/27/2015 Entergy Nuclear Operations, Inc.: ( Update ) – Indian Point Nuclear …

Preliminary Notification (PN) Reports for 2009

… Unit 1 - 100 Percent Power PNO-I-09-007 12/21/2009 Dominion Nuclear Connecticut: Millstone Unit 3 Reactor Trip and … 11/24/2009 Exelon Generation Company, LLC: Three Mile Island Unit 1 - Contamination Event (Update) PNO-II-09-006 … Due to Feedpump Issues May PNO-III-09-003A 05/22/2009 Prairie Island Unit 1: Unplanned Unit 1 Shutdown (Update) …

Preliminary Notification (PN) Reports for 2011

… December PNO-I-11-004A 12/16/2011 Constellation Energy Nuclear Group, LLC: Nine Mile Point Unit 2 Technical … PNO-III-11-013A 10/20/2011 Northern States Power Company: Prairie Island Unit 2 Unplanned Shutdown for Greater than 72 Hours - …

Preliminary Notification (PN) Reports for 2014

… 12/29/2014 Northern States Power Co.: Shutdown of Prairie Island Unit 1 due to Increasing Trend In Reactor Coolant … 6 Leak - ( Update ) PNO-III-14-009A 10/27/2014 FirstEnergy Nuclear Operating Company (Perry Nuclear Power Plant): …

Preliminary Notification (PN) Reports for 2012

… Field November PNO-III-12-017 11/29/2012 FirstEnergy Nuclear Operating Company, Perry Nuclear Power Plant: … States Power Company: Notification of Unusual Event at Prairie Island October PNO-I-12-007 10/31/2012 Exelon Generating …

Preliminary Notification (PN) Reports for 2006

… 11/13/2006 Nebraska Public Power District/Cooper Nuclear Station:Small Fire and Notification of Unusual Event … PNO-III-06-003 02/06/2006 Nuclear Management Company/Prairie Island: Technical Specification Required Shutdown of Prairie …

Preliminary Notification (PN) Reports for 2008

… Pump Room PNO-III-08-012 10/27/2008 Quad Cities Nuclear Power Plant: Quad Cities Notice of Unusual Even Due … Leaking Control Rod Drive Seals PNO-III-08-007A 08/04/2008 Prairie Island: Unplanned Unit 1 Shutdown Greater than 72 …

Preliminary Notification (PN) Reports for 2005

… After Reactor Trip PNO-II-05-012 11/09/2005 Southern Nuclear Operating Company, Inc.: Farley Nuclear Plant Unit 2 … Site PNO-III-05-009 04/20/2005 Nuclear Management Company/Prairie Island: Technical Specification Required Shutdown of Prairie …