United States Nuclear Regulatory Commission - Protecting People and the Environment

Power Reactor Status Report for July 14, 2001

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 99   DECREASING TO 97% POWER TO PERFORM T(ave) TESTING *  
CALVERT CLIFFS 2 100        
FITZPATRICK 1 100        
GINNA 1 100        
HOPE CREEK 1 100        
INDIAN POINT 2 100        
INDIAN POINT 3 100        
LIMERICK 1 100        
LIMERICK 2 100        
MILLSTONE 2 80   HOLDING POWER AT THIS LEVEL TO PERFORM CONDENSER BACKWASHES *  
MILLSTONE 3 100        
NINE MILE POINT 1 100        
NINE MILE POINT 2 100        
OYSTER CREEK 1 100        
PEACH BOTTOM 2 100        
PEACH BOTTOM 3 93   COASTDOWN TO REFUELING OUTAGE    
PILGRIM 1 100        
SALEM 1 100        
SALEM 2 100        
SEABROOK 1 100        
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 2 100        
BROWNS FERRY 3 100        
BRUNSWICK 1 100        
BRUNSWICK 2 100        
CATAWBA 1 100        
CATAWBA 2 100        
CRYSTAL RIVER 3 100        
FARLEY 1 100        
FARLEY 2 100        
HARRIS 1 96   INCREASING POWER AFTER DECREASING TO 80% POWER TO PERFORM TURBINE VALVE TESTING *  
HATCH 1 100        
HATCH 2 100        
MCGUIRE 1 100        
MCGUIRE 2 100        
NORTH ANNA 1 93   COASTDOWN TO REFUELING OUTAGE *  
NORTH ANNA 2 100        
OCONEE 1 100        
OCONEE 2 100        
OCONEE 3 100        
ROBINSON 2 100        
SAINT LUCIE 1 100        
SAINT LUCIE 2 100        
SEQUOYAH 1 100        
SEQUOYAH 2 100        
SUMMER 1 100        
SURRY 1 100        
SURRY 2 100        
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 97   100% OF RATED ELECTRICAL CAPABILITY    
BRAIDWOOD 2 97   100% OF RATED ELECTRICAL CAPABILITY    
BYRON 1 99   100% OF RATED ELECTRICAL CAPABILITY    
BYRON 2 99   100% OF RATED ELECTRICAL CAPABILITY *  
CLINTON 1 100        
COOK 1 100        
COOK 2 100        
DAVIS BESSE 1 100        
DRESDEN 2 100        
DRESDEN 3 100        
DUANE ARNOLD 1 100        
FERMI 2 100        
KEWAUNEE 1 96        
LASALLE 1 100        
LASALLE 2 100        
MONTICELLO 1 100        
PALISADES 1 0 06/20/2001 MAINTENANCE OUTAGE    
PERRY 1 0 07/11/2001 MAINTENANCE OUTAGE *  
POINT BEACH 1 100        
POINT BEACH 2 100        
PRAIRIE ISLAND 1 100        
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        
COLUMBIA GENERATING 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 98   HOLDING POWER AT THIS LEVEL TO PERFORM HIGH RATE BLOWDOWNS *  
PALO VERDE 2 0 07/13/2001 AUTOMATIC REACTOR TRIP FROM 100% POWER ON LOW DEPARTURE FROM NUCLEATE BOILING RATIO (DNBR) DUE TO CLOSURE OF 3 OUT OF 4 MAIN STEAM ISOLATION VALVES (MSIV) (Refer to event #38138) - DISCOVERED AN ELECTRICAL MALFUNCTION OF A CARD IN THE MSIV LOGIC CABINET * 1
PALO VERDE 3 98   DECREASING TO 97% POWER DUE TO TURBINE BEARING VIBRATIONS *  
RIVER BEND 1 100        
SAN ONOFRE 2 100        
SAN ONOFRE 3 100        
SOUTH TEXAS 1 100        
SOUTH TEXAS 2 100        
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.