United States Nuclear Regulatory Commission - Protecting People and the Environment

Power Reactor Status Report for May 22, 2010

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

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Region 1

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Beaver Valley 1 100        
Beaver Valley 2 100        
Calvert Cliffs 1 100   MINIMUM GENERATION ALERT    
Calvert Cliffs 2 100   MINIMUM GENERATION ALERT    
FitzPatrick 100        
Ginna 100        
Hope Creek 1 100        
Indian Point 2 100        
Indian Point 3 100        
Limerick 1 100        
Limerick 2 100        
Millstone 2 100        
Millstone 3 100     *  
Nine Mile Point 1 100        
Nine Mile Point 2 100        
Oyster Creek 100        
Peach Bottom 2 38   REDUCED FOR SCRAM TIME TESTING AND WATER BOX CLEANING *  
Peach Bottom 3 100        
Pilgrim 1 100        
Salem 1 100        
Salem 2 100        
Seabrook 1 100   CONTINGENCY IN EFFECT TO REDUCE POWER TO 800MWE DUE TO 381 LINE MAINTENANCE UNTIL MAY 21 AND 363 LINE MAINTENANCE UNTIL MAY 28    
Susquehanna 1 94   HOLDING POWER FOR TESTING    
Susquehanna 2 94   100% ELECTRICAL CAPABILITY    
Three Mile Island 1 100     *  
Vermont Yankee 0 04/24/2010 EXITING REFUELING OUTAGE - PREPARING FOR STARTUP *  

Region 2

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Browns Ferry 1 100        
Browns Ferry 2 100        
Browns Ferry 3 100        
Brunswick 1 100        
Brunswick 2 64   MAINTENANCE ON REACTOR FEED PUMP *  
Catawba 1 100        
Catawba 2 100        
Crystal River 3 0 09/25/2009 DEFUELED    
Farley 1 100        
Farley 2 99   INCREASING POWER *  
Harris 1 100        
Hatch 1 100        
Hatch 2 99   INCREASING POWER *  
McGuire 1 100        
McGuire 2 100        
North Anna 1 100        
North Anna 2 100        
Oconee 1 100        
Oconee 2 0 04/24/2010 REFUELING OUTAGE    
Oconee 3 100        
Robinson 2 0 03/28/2010 DEFUELED    
Saint Lucie 1 0 04/04/2010 REFUELING OUTAGE    
Saint Lucie 2 100        
Sequoyah 1 100        
Sequoyah 2 100        
Summer 100        
Surry 1 100        
Surry 2 100        
Turkey Point 3 100        
Turkey Point 4 100        
Vogtle 1 100        
Vogtle 2 100        
Watts Bar 1 0 05/21/2010 TURBINE TRIP / REACTOR TRIP - SEE EN#45944 * 1

Region 3

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Braidwood 1 100        
Braidwood 2 100        
Byron 1 100        
Byron 2 100        
Clinton 97   100% ELECTRICAL CAPABILITY    
D.C. Cook 1 100        
D.C. Cook 2 100        
Davis-Besse 0 02/27/2010 DEFUELED    
Dresden 2 100        
Dresden 3 100        
Duane Arnold 100        
Fermi 2 100        
Kewaunee 100        
La Salle 1 100        
La Salle 2 100        
Monticello 70   ROD PATTERN ADJUSTMENT *  
Palisades 100        
Perry 1 93   ROD PATTERN ADJUSTMENT *  
Point Beach 1 100        
Point Beach 2 100        
Prairie Island 1 100        
Prairie Island 2 0 04/16/2010 EXITING OUTAGE    
Quad Cities 1 100        
Quad Cities 2 100        

Region 4

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Arkansas Nuclear 1 100        
Arkansas Nuclear 2 100        
Callaway 0 04/17/2010 EXITING OUTAGE *  
Columbia Generating Station 100     *  
Comanche Peak 1 100        
Comanche Peak 2 100        
Cooper 100        
Diablo Canyon 1 100        
Diablo Canyon 2 100        
Fort Calhoun 97   INCREASING POWER *  
Grand Gulf 1 0 04/25/2010 PREPARING FOR STARTUP *  
Palo Verde 1 0 04/02/2010 STARTUP IN PROGRESS *  
Palo Verde 2 100        
Palo Verde 3 100        
River Bend 1 100        
San Onofre 2 98   GOVERNOR VALVE TESTING *  
San Onofre 3 100        
South Texas 1 100        
South Texas 2 100        
Waterford 3 97   MSR CONTROLLER FAILURE *  
Wolf Creek 1 100        

* - Power Reactor Status Report change within past 24 hours
# - Number of reactor scrams or trips within past 24 hours

Notes:
  • Reactor status data collected between 4 a.m. and 8 a.m. each day.
  • All times are based on eastern time.
Page Last Reviewed/Updated Thursday, March 29, 2012
Thursday, March 29, 2012