United States Nuclear Regulatory Commission - Protecting People and the Environment

Power Reactor Status Report for May 16, 1999

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 60   HOLDING POWER AT THIS LEVEL TO PERFORM PLANNED MAINTENANCE ON A FEEDWATER PU    
BEAVER VALLEY 2 100        
CALVERT CLIFFS 1 0 05/10/1999 MAINTENANCE OUTAGE - PREPARING TO ENTER MODE 3 *  
CALVERT CLIFFS 2 100        
FITZPATRICK 1 100        
GINNA 1 99   OPERATING AT REDUCED LOAD DUE TO DELTA-T SETPOINT ISSUES *  
HOPE CREEK 1 100        
INDIAN POINT 2 99   MAXIMUM OPERATING POWER DUE TO STEAM FLOW DEMAND - TURBINE THROTTLE VALVES F    
INDIAN POINT 3 100        
LIMERICK 1 100        
LIMERICK 2 0 04/16/1999 REFUELING OUTAGE - REACTOR REASSEMBLY IN PROGRESS *  
MILLSTONE 2 46   INCREASING POWER TO 49% FOR AN NRC HOLD *  
MILLSTONE 3 0 05/01/1999 REFUELING OUTAGE - FUEL OFFLOAD SUSPENDED DUE TO PROBLEMS WITH SIGMA MACHINE    
NINE MILE POINT 1 0 04/11/1999 REFUELING OUTAGE - DEFUELED    
NINE MILE POINT 2 100        
OYSTER CREEK 1 85   INCREASING POWER AFTER REDUCING TO 65% POWER TO PERFORM PLANNED MAINTENANCE *  
PEACH BOTTOM 2 100     *  
PEACH BOTTOM 3 100        
PILGRIM 1 0 05/08/1999 REFUELING OUTAGE - FUEL OFFLOAD AND FUEL SHUFFLE IN PROGRESS    
SALEM 1 100        
SALEM 2 0 04/03/1999 REFUELING OUTAGE    
SEABROOK 1 60   INCREASING POWER AFTER EXITING A REFUELING OUTAGE *  
SUSQUEHANNA 1 100        
SUSQUEHANNA 2 100        
THREE MILE ISLAND 1 100        
VERMONT YANKEE 1 100        

Region 2

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Unit Power Down Reason or Comment Change in report(*) Number of Scrams(#)
BROWNS FERRY 1 0 03/03/1985 DEFUELED    
BROWNS FERRY 2 0 05/15/1999 AUTOMATIC TURBINE TRIP/REACTOR SCRAM FROM 100% POWER DURING MAIN TURBINE OVE * 1
BROWNS FERRY 3 100        
BRUNSWICK 1 100        
BRUNSWICK 2 0 04/16/1999 REFUELING OUTAGE    
CATAWBA 1 0 04/21/1999 REFUELING OUTAGE    
CATAWBA 2 10   EXITING MAINTENANCE OUTAGE *  
CRYSTAL RIVER 3 100        
FARLEY 1 100        
FARLEY 2 100        
HARRIS 1 100        
HATCH 1 97   HOLDING POWER AT THIS LEVEL TO PERFORM POWER UPRATE TESTING    
HATCH 2 98   MAXIMUM OPERATING POWER    
MCGUIRE 1 100        
MCGUIRE 2 100        
NORTH ANNA 1 100     *  
NORTH ANNA 2 100        
OCONEE 1 100        
OCONEE 2 100        
OCONEE 3 0 05/15/1999 FORCED MAINTENANCE OUTAGE DUE TO LOW REACTOR COOLANT PUMP OIL LEVEL    
ROBINSON 2 100        
SAINT LUCIE 1 100        
SAINT LUCIE 2 100        
SEQUOYAH 1 100        
SEQUOYAH 2 100     *  
SUMMER 1 73   HOLDING POWER AT THIS LEVEL TO PERFORM FLUX MAPPING AFTER EXITING A REFUELIN *  
SURRY 1 100        
SURRY 2 0 04/18/1999 REFUELING OUTAGE    
TURKEY POINT 3 100        
TURKEY POINT 4 100        
VOGTLE 1 100        
VOGTLE 2 100        
WATTS BAR 1 100        

Region 3

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Unit Power Down Reason or Comment Change in report(*) Number of Scrams(#)
BRAIDWOOD 1 100        
BRAIDWOOD 2 0 04/23/1999 REFUELING OUTAGE    
BYRON 1 0 05/13/1999 AUTOMATIC REACTOR TRIP FROM 100% POWER DUE TO AN INADVERTENT POWER RANGE HIG *  
BYRON 2 100        
CLINTON 1 0 05/14/1999 REFUELING OUTAGE - MANUAL REACTOR SCRAM FROM 4% POWER DUE TO A LEVEL TRANSIE *  
COOK 1 0 09/08/1997 MAINTENANCE OUTAGE    
COOK 2 0 09/09/1997 REFUELING OUTAGE    
DAVIS BESSE 1 100        
DRESDEN 2 99        
DRESDEN 3 100     *  
DUANE ARNOLD 1 100        
FERMI 2 97   ADMINISTRATIVE POWER LIMIT    
KEWAUNEE 1 97   POWER LIMITED DUE TO STEAM GENERATOR TUBE PLUGGING    
LASALLE 1 100        
LASALLE 2 100        
MONTICELLO 1 0 05/08/1999 MAINTENANCE OUTAGE    
PALISADES 1 0 05/07/1999 MAINTENANCE OUTAGE - AT NORMAL OPERATING TEMPERATURE AND PRESSURE - MAY GO C *  
PERRY 1 100        
POINT BEACH 1 0 05/14/1999 MANUAL REACTOR TRIP FROM 100% POWER AND MANUAL SAFETY INJECTION DUE TO A STE    
POINT BEACH 2 30   HOLDING POWER AT THIS LEVEL TO PERFORM INSPECTION ON THE #4 FEEDWATER HEATER *  
PRAIRIE ISLAND 1 0 04/16/1999 REFUELING OUTAGE *  
PRAIRIE ISLAND 2 100        
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 1 100        
COMANCHE PEAK 1 100        
COMANCHE PEAK 2 100        
COOPER 1 100        
DIABLO CANYON 1 100        
DIABLO CANYON 2 100        
FT CALHOUN 1 100        
GRAND GULF 1 100        
PALO VERDE 1 100        
PALO VERDE 2 100     *  
PALO VERDE 3 100        
RIVER BEND 1 0 04/03/1999 REFUELING OUTAGE - FUEL SHUFFLE TEMPORARILY STOPPED (FOR THE WEEKEND) *  
SAN ONOFRE 2 100        
SAN ONOFRE 3 0 05/13/1999 MANUAL REACTOR TRIP FROM 97% POWER ON 05/13/99 DUE TO LOSS OF BOTH FEED PUM * 1
SOUTH TEXAS 1 0 05/16/1999 AUTOMATIC REACTOR TRIP FOR UNKNOWN REASONS AT APPROXIMATELY 0550 EDT (EVENT * 1
SOUTH TEXAS 2 100        
WASHINGTON NUCLEAR 2 0 04/17/1999 MAINTENANCE OUTAGE    
WATERFORD 3 100        
WOLF CREEK 1 100        

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* - 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.