ML19108A296

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05-03-19 - Letter to the Honorable Thomas Carper and Sheldon Whitehouse from Chairman Svinicki Responds to Letter Requesting Information Regarding the Mitigation of Beyond-Design-Basis Events Rulemaking Attachment 2
ML19108A296
Person / Time
Issue date: 05/03/2019
From: Kristine Svinicki
NRC/Chairman
To: Carper T, Whitehouse S
US SEN, Comm on Environment & Public Works, US SEN, Subcomm on Clean Air & Nuclear Safety
R. Rihm, 415-1717
Shared Package
ML19091A187 List:
References
CORR-19-0039, LTR-19-0134
Download: ML19108A296 (2)


Text

Attachment 2 Facility Location Owner/Operator Weather Event Cause Date of Event Additional Information*

Duration of Impact 6 Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm Electrical fault caused by high winds and/or precipitation 12/19/2008 ML090570049 3 days St. Lucie 2 Jensen Beach, FL Florida Power & Light Ultimate Heat Sink (UHS)

Grassing Greater than expected influx of debris into intake 4/1/2009 ML091600364 3 days Salem 2 Hancock's Bridge, NJ PSEG Nuclear Cold/Icing Cooling water icing 1/3/2010 ML100640546 1 day Calvert Cliffs 1 Lusby, MD Exelon Severe Weather Water intrusion 2/18/2010 ML101530461 10 days Calvert Cliffs 2 Lusby, MD Exelon Severe Weather Water intrusion 2/18/2010 ML101530461 10 days Palo Verde 1 Wintersburg, AZ Arizona Public Service Co.

Severe Weather Water intrusion 3/7/2010 ML101330267 3 days Fermi 2 Newport, MI DTE Electric Company Tornado Loss of offsite power 6/6/2010 ML102230423 9 days LaSalle 1 1 Marseilles, IL Exelon UHS Temp Elevated heat sink temperature 8/12/2010 EN 46171

< 1 day LaSalle 2 2 Marseilles, IL Exelon UHS Temp Elevated heat sink temperature 8/12/2010 EN 46171

< 1 day Turkey Point 3 Homestead, FL Florida Power & Light Severe Weather Electrical fault caused by high winds and/or precipitation 9/23/2010 ML103340517 2 days LaSalle 1 Marseilles, IL Exelon Winter Storm Electrical fault caused by high winds and/or precipitation 2/1/2011 ML110890949 10 days Surry 1 Surry, VA Dominion Generation Tornado Loss of offsite power 4/16/2011 ML11178A032 6 days Surry 2 Surry, VA Dominion Generation Tornado Loss of offsite power 4/16/2011 ML11178A032 6 days Salem 1 Hancock's Bridge, NJ PSEG Nuclear UHS Grassing Greater than expected influx of debris into intake 4/21/2011 ML11172A108 2 days Browns Ferry 1 Limestone County, AL Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 23 days Browns Ferry 2 Limestone County, AL Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 27 days Browns Ferry 3 Limestone County, AL Tennessee Valley Authority Tornado Loss of offsite power 4/27/2011 ML11180A056 35 days Prairie Island 2 Welch, MN Xcel Energy Severe Weather Electrical fault caused by high winds and/or precipitation 5/9/2011 ML111810621 1 day Calvert Cliffs 1 Lusby, MD Exelon Hurricane Electrical fault caused by high winds and/or precipitation 8/27/2011 ML11297A113 4 days Millstone 2 Waterford, CT Dominion Generation UHS Temp Elevated heat sink temperature 8/12/2012 ML12285A229 11 days Waterford Killona, LA Entergy Nuclear Operations Hurricane Preemptive shutdown 8/29/2012 EN 48251 5 days Indian Point 3 Buchanan, NY Entergy Nuclear Operations Hurricane Electrical fault caused by high winds and/or precipitation 10/29/2012 ML13002A019 4 days Nine Mile Point 1 Scriba, NY Exelon Hurricane Electrical fault caused by high winds and/or precipitation 10/29/2012 ML13318A006 4 days Salem 1 Hancock's Bridge, NJ PSEG Nuclear Hurricane Greater than expected influx of debris into intake 10/30/2012 ML13002A004 3 days Oyster Creek 3 Forked River, NJ Exelon Hurricane Electrical fault caused by high winds and/or precipitation 10/29/2012 ML13190A465 1 day Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm Electrical fault caused by high winds and/or precipitation 2/8/2013 ML13114A293 8 days Beaver Valley 1 Shippingport, PA First Energy Nuclear Operating Co.

Cold/Icing Cold weather impact on equipment 1/6/2014 ML14358A171 22 days Fort Calhoun Fort Calhoun, NE Omaha Public Power District Cold/Icing Cold weather impact on equipment 1/8/2014 ML14069A348 3 days Calvert Cliffs 1 Lusby, MD Exelon Winter Storm Water intrusion 1/21/2014 ML14080A309 4 days Calvert Cliffs 2 Lusby, MD Exelon Winter Storm Water intrusion 1/21/2014 ML14080A309 4 days Arkansas Nuclear One 2 London, AR Entergy Nuclear Operations Severe Weather Preemptive shutdown 4/27/2014 ML14177A307 17 days Donald C. Cook 1 Bridgman, MI Indiana Michigan Power Company Severe Weather Greater than expected influx of debris into intake 11/1/2014 ML14364A023 3 days Donald C. Cook 2 Bridgman, MI Indiana Michigan Power Company Severe Weather Greater than expected influx of debris into intake 11/1/2014 ML14364A023 5 days Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm Electrical fault caused by high winds and/or precipitation 1/27/2015 ML15097A259 12 days Pilgrim Plymouth, MA Entergy Nuclear Operations Winter Storm Preemptive shutdown 2/15/2015 Power Status for 02/15/2015 3 days

  • Agencywide Documents Access and Management System documents (ADAMS ML numbers),

Event Notification Reports (EN numbers), and Power Reactor Status Reports are all available on the NRCs Web site.

Facility Location Owner/Operator Weather Event Cause Date of Event Additional Information*

Duration of Impact 6 Byron 1 Byron, IL Exelon Cold/Icing Electrical fault caused by high winds and/or precipitation 3/3/2015 ML15121A035 6 days FitzPatrick Scriba, NY Entergy Nuclear Operations Cold/Icing Cooling water icing 1/23/2016 ML16083A504 7 days Brunswick 1 South Port, NC Duke Energy Severe Weather Water intrusion 2/7/2016 ML16104A391 6 days St. Lucie 2 Jensen Beach, FL Florida Power & Light Hurricane Preemptive shutdown 10/6/2016 EN 52280 8 days H.B. Robinson Hartsville, SC Duke Energy Hurricane Electrical fault caused by high winds and/or precipitation 10/8/2016 ML17054C345 3 days Surry 2 Surry, VA Dominion Generation Hurricane Water intrusion 10/9/2016 ML16350A101 4 days Pilgrim Plymouth, MA Entergy Nuclear Operations Severe Weather Preemptive shutdown 2/9/2017 Power Status for 02/10/2017 3 days Arkansas Nuclear One 1 London, AR Entergy Nuclear Operations Severe Weather High winds 4/26/2017 ML17177A314 22 days Turkey Point 3 4 Homestead, FL Florida Power & Light Hurricane Water intrusion 9/10/2017 ML17311A666 7 days Turkey Point 4 5 Homestead, FL Florida Power & Light Hurricane Water intrusion 9/10/2017 ML17311A666 7 days St. Lucie 1 Jensen Beach, FL Florida Power & Light Hurricane Preemptive shutdown 9/11/2017 Power Status for 09/12/2017 1 day Pilgrim Plymouth, MA Entergy Nuclear Operations Severe Weather Electrical fault caused by high winds and/or precipitation 1/4/2018 ML18079A105 7 days Brunswick 1 South Port, NC Duke Energy Hurricane Preemptive shutdown 9/13/2018 EN 53609 7 days Brunswick 2 South Port, NC Duke Energy Hurricane Preemptive shutdown 9/13/2018 EN 53609 9 days Salem 1 Hancock's Bridge, NJ PSEG Nuclear Cold/Icing Cooling water icing 1/31/2019 ML19091A260 3 days Notes 1 - LaSalle 1 commenced a shutdown required by technical specifications.

UHS temperature lowered and allowed unit to cease shutdown.

2 - LaSalle 1 commenced a shutdown required by technical specifications.

UHS temperature lowered and allowed unit to cease shutdown.

3 - Oyster Creek was already shutdown since it was in a scheduled refueling outage during this event.

4 - Turkey Point 3 completed a preemptive shutdown.

5 - Turkey Point 4 was manually shutdown during the event.

6 - Time the plant was not at 100% power because of the weather event.

  • Agencywide Documents Access and Management System documents (ADAMS ML numbers),

Event Notification Reports (EN numbers), and Power Reactor Status Reports are all available on the NRCs Web site.