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Home NRC Library Document Collections Events, Reports Associated with Power Reactor Status Reports 2011

Power Reactor Status Report for April 30, 2011

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

On this page:

Region 1

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Beaver Valley 1 100        
Beaver Valley 2 100        
Calvert Cliffs 1 100   HIGH SYSTEM VOLTAGE ALERT    
Calvert Cliffs 2 100   HIGH SYSTEM VOLTAGE ALERT    
FitzPatrick 75   LOWERING POWER TO 55% TO PLUG A WATER BOX TUBE *  
Ginna 0 04/23/2011 REFUELING OUTAGE    
Hope Creek 1 100   HIGH SYSTEM VOLTAGE ALERT    
Indian Point 2 100        
Indian Point 3 100        
Limerick 1 100        
Limerick 2 100        
Millstone 2 0 04/02/2011 EXITING REFUELING OUTAGE *  
Millstone 3 100        
Nine Mile Point 1 80   INCREASING POWER *  
Nine Mile Point 2 100        
Oyster Creek 50   SHUTTING DOWN FOR A MAINTENANCE OUTAGE *  
Peach Bottom 2 100        
Peach Bottom 3 62   ROD SEQUENCE EXCHANGE - WATER BOX CLEANING - FEED PUMP MAINTENANCE *  
Pilgrim 1 0 04/17/2011 REFUELING OUTAGE *  
Salem 1 96   INCREASING POWER - HIGH VOLTAGE ACTION WARNING *  
Salem 2 0 04/09/2011 REFUELING OUTAGE - HIGH VOLTAGE ACTION WARNING *  
Seabrook 1 0 03/31/2011 EXITING REFUELING OUTAGE    
Susquehanna 1 98   100% ELECTRICAL CAPABILITY - HIGH SYSTEM VOLTAGE ACTION *  
Susquehanna 2 0 04/04/2011 REFUELING OUTAGE - HIGH SYSTEM VOLTAGE ACTION    
Three Mile Island 1 100        
Vermont Yankee 100        

Region 2

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Browns Ferry 1 0 04/27/2011 REACTOR SCRAM DUE TO LOSS OF OFFSITE POWER - SEE EN #46793 500 KV OFFSITE LINES OOS    
Browns Ferry 2 0 04/27/2011 REACTOR SCRAM DUE TO LOSS OF OFFSITE POWER - SEE EN #46793 500 KV OFFSITE LINES OOS    
Browns Ferry 3 0 04/27/2011 REACTOR SCRAM DUE TO LOSS OF OFFSITE POWER - SEE EN #46793 500 KV OFFSITE LINES OOS    
Brunswick 1 100        
Brunswick 2 100        
Catawba 1 0 04/23/2011 REFUELING OUTAGE    
Catawba 2 100        
Crystal River 3 0 09/25/2009 MAINTENANCE OUTAGE - CONTAINMENT TENSIONING ON HOLD    
Farley 1 60   REPAIRING A LEAK IN THE FEEDWATER LUBE OIL PRESSURE SWITCH *  
Farley 2 100        
Harris 1 100        
Hatch 1 100        
Hatch 2 0 03/28/2011 REFUELING OUTAGE    
McGuire 1 100        
McGuire 2 100        
North Anna 1 100        
North Anna 2 100        
Oconee 1 0 04/01/2011 DEFUELED    
Oconee 2 100        
Oconee 3 100        
Robinson 2 100   LOWERING POWER TO 95% TO PREVENT EXCEEDING ENVIRONMENTAL DISCHARGE TEMPERATURE LIMITS *  
Saint Lucie 1 90   HIGH VIBRATIONS IN CIRC WATER PUMP *  
Saint Lucie 2 0 01/02/2011 EXITING REFUELING OUTAGE *  
Sequoyah 1 100   GRID RISK YELLOW    
Sequoyah 2 90   GRID RISK YELLOW - COASTDOWN TO REFUELING OUTAGE *  
Summer 0 04/15/2011 DEFUELED *  
Surry 1 100        
Surry 2 0 04/16/2011 REFUELING OUTAGE    
Turkey Point 3 100        
Turkey Point 4 0 03/20/2011 EXITING REFUELING OUTAGE    
Vogtle 1 100        
Vogtle 2 100        
Watts Bar 1 0 04/03/2011 REFUELING OUTAGE *  

Region 3

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Braidwood 1 100        
Braidwood 2 0 04/17/2011 REFUELING OUTAGE    
Byron 1 94   HOLDING FOR PLANT TESTING *  
Byron 2 100        
Clinton 97   100% ELECTRICAL CAPABILITY    
D.C. Cook 1 100        
D.C. Cook 2 100        
Davis-Besse 100     *  
Dresden 2 100        
Dresden 3 100        
Duane Arnold 100        
Fermi 2 100     *  
Kewaunee 100        
La Salle 1 100        
La Salle 2 100        
Monticello 0 03/04/2011 REFUELING OUTAGE    
Palisades 100        
Perry 1 0 04/17/2011 REFUELING OUTAGE    
Point Beach 1 100        
Point Beach 2 0 02/28/2011 EXITING REFUELING OUTAGE    
Prairie Island 1 0 04/29/2011 REFUELING OUTAGE *  
Prairie Island 2 100        
Quad Cities 1 100        
Quad Cities 2 100        

Region 4

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Arkansas Nuclear 1 43   HOLD DUE TO STORMS/DISPATCH REQUEST *  
Arkansas Nuclear 2 77   HOLD DUE TO STORMS/DISPATCH REQUEST *  
Callaway 100        
Columbia Generating Station 0 04/02/2011 REFUELING OUTAGE    
Comanche Peak 1 100        
Comanche Peak 2 100     *  
Cooper 0 03/12/2011 EXITING REFUELING OUTAGE    
Diablo Canyon 1 100        
Diablo Canyon 2 100   WILL REDUCE POWER AND ENTER REFUEL OUTAGE ON 4/30/11 *  
Fort Calhoun 0 04/09/2011 DEFUELED    
Grand Gulf 1 96   POWER LIMITED 2ND STAGE MSR OUT OF SERVICE FOR THE ENTIRE CYCLE    
Palo Verde 1 100        
Palo Verde 2 0 04/01/2011 REFUELING OUTAGE    
Palo Verde 3 100        
River Bend 1 100        
San Onofre 2 100        
San Onofre 3 98   TURBINE VALVE TESTING *  
South Texas 1 0 04/02/2011 REFUELING OUTAGE    
South Texas 2 100        
Waterford 3 0 04/05/2011 REFUELING OUTAGE    
Wolf Creek 1 0 03/18/2011 DEFUELED    

* - 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 25, 2021