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Alert

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 2016

… Performance PNO-III-16-004A 09/23/2016 FirstEnergy Nuclear Operating Co. – ( Update ) Unplanned Shutdown Of Davis-Besse Nuclear Power Station For Greater Than 72 Hours PNO-III-16-004 … 02/18/2016 FirstEnergy Nuclear Operating Company: Perry Nuclear Power Plant – Unplanned Shutdown Greater Than …

Preliminary Notification (PN) Reports for 2014

… December PNO-III-14-012A 12/29/2014 Northern States Power Co.: Shutdown of Prairie Island Unit 1 due to … 6 Leak - ( Update ) PNO-III-14-009A 10/27/2014 FirstEnergy Nuclear Operating Company (Perry Nuclear Power Plant): Unplanned Shutdown Greater Than …

Preliminary Notification (PN) Reports for 2007

… for more information. December PNO-III-07-016 12/26/2007 Nuclear Management Company: Prairie Island - Unplanned Unit … 12/06/2007 FirstEnergy Nuclear Operating Company/Perry Nuclear Power Station: Perry scram and feedwater loss (Update) …

Preliminary Notification (PN) Reports for 2004

… Building PNO-I-04-014 11/16/2004 Connecticut Yankee Atomic Power Company: Fire Inside Containment Structure at … Reactor Site PNO-III-04-015 11/15/2004 FirstEnergy Nuclear Operating Co./Perry Nuclear Power Plant: Inadvertent Discharge of Co 2 …

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 … System Leakage PNO-III-11-016A 12/12/2011 Northern States Power Company: Monticello Shutdown Greater Than 72 Hours Due … 10/19/2011 FirstEnergy Nuclear Operating Company: Perry Unplanned Shutdown Greater Than 72 Hours - (Update) …

Preliminary Notification (PN) Reports for 2006

… 12/14/2006 Pacific Gas & Electric Co. (Diablo Canyon Power Plant): Unusual Event at Diablo Canyon Power Plant … 11/13/2006 Nebraska Public Power District/Cooper Nuclear Station:Small Fire and Notification of Unusual Event … PNO-III-06-016 06/21/2006 FirstEnergy Operating Company/Perry: Unusual Event Declared Due to Earth Quake …

Preliminary Notification (PN) Reports for 2010

… of Licensed Material PNO-III-10-017 12/03/2010 Fermi Power Plant, Unit 2: Condensate Overflows Into Turbine … of Unusual Event (Update) PNO-I-10-006A 11/26/2010 Entergy Nuclear Operations, Inc.: Notification of Alert Declared Due … 05/19/2010 FirstEnergy Nuclear Operating Company/Perry Nuclear Power Station: Manual Reactor Scram Due to …

Preliminary Notification (PN) Reports for 2013

… Failure PNO-IV-13-004A 12/10/2013 Entergy: Arkansas Nuclear One, Unit 2, Fire in Auxilary Transformer … of Unusual Event PNO-II-13-008A 12/02/2013 Duke Power Co.: Oconee Unit 1 Shutdown due to Reactor Coolant … 06/18/2013 FirstEnergy Nuclear Operating Company: Perry Nuclear Power Plant: Unplanned Shutdown Greater than …