United States Nuclear Regulatory Commission - Protecting People and the Environment

Power Reactor Status Report for May 17, 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 62   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 *  
CALVERT CLIFFS 2 100        
FITZPATRICK 1 100        
GINNA 1 98   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 63   HOLDING POWER AT THIS LEVEL DUE TO A HEATER DRAIN TANK PUMP TRIP *  
LIMERICK 1 100        
LIMERICK 2 0 04/16/1999 REFUELING OUTAGE - REACTOR VESSEL HEAD IN PLACE BUT NOT TENSIONED *  
MILLSTONE 2 63   INCREASING POWER TO 75% 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 1 100     *  
PEACH BOTTOM 2 100        
PEACH BOTTOM 3 100        
PILGRIM 1 0 05/08/1999 REFUELING OUTAGE - FIRST PHASE OF FUEL SHUFFLE COMPLETE *  
SALEM 1 100        
SALEM 2 0 04/03/1999 REFUELING OUTAGE    
SEABROOK 1 89   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 60   INCREASING POWER AFTER RECOVERING FROM AN AUTOMATIC TURBINE TRIP/REACTOR SCR *  
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 0 05/03/1999 MAINTENANCE OUTAGE - EXPERIENCING GENERATOR PROBLEMS *  
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 50   INCREASING POWER AFTER EXITING A FORCED MAINTENANCE OUTAGE DUE TO LOW REACTO *  
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   LOAD REDUCED TO 15% ON 05/16/99 DUE TO A TECH SPEC REQUIRED SHUTDOWN RESULTI *  
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 2 100     *  
DRESDEN 3 99     *  
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 *  
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 FOLLOWING INSPECTION OF THE #4 FEEDWATER HEATERS *  
PRAIRIE ISLAND 1 0 04/16/1999 REFUELING OUTAGE - REACTOR VESSEL HEAD ON AND TENSIONED - PREPARING FOR FILL *  
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 - PLAN TO RECOMMENCE FUEL SHUFFLE ON DAY SHIFT *  
SAN ONOFRE 2 100        
SAN ONOFRE 3 60   INCREASING POWER AFTER RECOVERING FROM A MANUAL REACTOR TRIP FROM 24% POWER *  
SOUTH TEXAS 1 12   UNIT ON LINE AND INCREASING POWER AFTER RECOVERING FROM AN AUTOMATIC REACTOR * 1
SOUTH TEXAS 2 100        
WASHINGTON NUCLEAR 2 0 04/17/1999 MAINTENANCE OUTAGE    
WATERFORD 3 93   DECREASING TO 90% POWER TO PERFORM WORK ON A MAIN TURBINE GOVERNOR VALVE *  
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.