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Power Reactor Status Report for August 11, 2007

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        
Calvert Cliffs 2 100        
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 99   INCREASING POWER TO 100% *  
Oyster Creek 100     *  
Peach Bottom 2 100        
Peach Bottom 3 98   COASTDOWN TO REFUELING OUTAGE    
Pilgrim 1 100        
Salem 1 100        
Salem 2 99   100% ELECTRICAL CAPABILITY *  
Seabrook 1 100        
Susquehanna 1 100   VOLTAGE REGULATOR IN MANUAL    
Susquehanna 2 100   VOLTAGE REGULATOR IN MANUAL    
Three Mile Island 1 100        
Vermont Yankee 100        

Region 2

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Browns Ferry 1 100   POWER SUPPLY ALERT    
Browns Ferry 2 91   CCW PUMP OUT OF SERVICE, POWER SUPPLY ALERT *  
Browns Ferry 3 99   LEAK ON FW FLOW INDICATOR, POWER SUPPLY ALERT *  
Brunswick 1 100     *  
Brunswick 2 100     *  
Catawba 1 100        
Catawba 2 100        
Crystal River 3 100     *  
Farley 1 100        
Farley 2 92   RCP OIL LEVEL LOW-RAMPED DOWN TO 20% TO ADD OIL AND GOING BACK UP *  
Harris 1 100     *  
Hatch 1 95   REDUCED LOAD TO MAINTAIN CONDENSATE TEMPERATURE *  
Hatch 2 85   INCREASING POWER, HOT WEATHER CONDITIONS, NOTICE OF HIGH LOAD CONDITIONS *  
McGuire 1 100        
McGuire 2 100        
North Anna 1 100        
North Anna 2 100        
Oconee 1 100        
Oconee 2 100        
Oconee 3 100        
Robinson 2 100        
Saint Lucie 1 90   DOWN POWER TO REMOVE CIRC. WATER PUMP *  
Saint Lucie 2 100        
Sequoyah 1 100   POWER SUPPLY ALERT, TRANSMISSION ALERT 1 DUE TO SYSTEM LOAD *  
Sequoyah 2 100   POWER SUPPLY ALERT, TRANSMISSION ALERT 1 DUE TO SYSTEM LOAD *  
Summer 100        
Surry 1 100        
Surry 2 100        
Turkey Point 3 100        
Turkey Point 4 100        
Vogtle 1 97   100% ELECTRICAL CAPABILITY, NO GRID INSTABILITY BUT HIGH LOADS, REPLACING 3 PHASES OF XFORMER HARDWIRED TO 230 KV BUS 1, USING SAT FOR POWER *  
Vogtle 2 99   100% ELECTRICAL CAPABILITY, NO GRID INSTABILITY BUT HIGH LOADS, REPLACING 3 PHASES OF XFORMER HARDWIRED TO 230 KV BUS 1, USING "B" DIESEL FOR POWER *  
Watts Bar 1 99   CONDENSER BACK PRESSURE CONCERNS; POWER SUPPLY/TRANSMISSION ALERT    

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 100        
Dresden 2 100        
Dresden 3 100        
Duane Arnold 98   100% ELECTRICAL CAPABILITY *  
Fermi 2 100        
Kewaunee 100        
La Salle 1 100        
La Salle 2 95   TURBINE VALVE TESTING *  
Monticello 100        
Palisades 100        
Perry 1 100        
Point Beach 1 100        
Point Beach 2 100        
Prairie Island 1 100        
Prairie Island 2 100        
Quad Cities 1 99   100% ELECTRICAL CAPABILITY.    
Quad Cities 2 98   100% ELECTRICAL CAPABILITY.    

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 100        
Columbia Generating Station 100        
Comanche Peak 1 100        
Comanche Peak 2 100        
Cooper 68   TURBINE VALVE TESTING *  
Diablo Canyon 1 0 08/10/2007 S/D TO REPAIR TURBINE STOP VALVE PROBLEM *  
Diablo Canyon 2 100   1 OF 3 500KV LINES TO GO OOS ON 8/14 *  
Fort Calhoun 100        
Grand Gulf 1 100        
Palo Verde 1 100        
Palo Verde 2 100        
Palo Verde 3 100        
River Bend 1 70   ROD SEQUENCE EXCHANGE AND TURBINE VALVE TESTING *  
San Onofre 2 95   INCREASING FOLLOWING TURBINE VALVE TESTING *  
San Onofre 3 100        
South Texas 1 100        
South Texas 2 100        
Waterford 3 100        
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