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Power Reactor Status Report for May 31, 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 1   STARTUP IN PROGRESS - REACTOR SUBCRITICAL *  
Indian Point 2 25   INCREASING POWER *  
Indian Point 3 100        
Limerick 1 100        
Limerick 2 100        
Millstone 2 99   CIRCULATING WATER PUMP OOS    
Millstone 3 100        
Nine Mile Point 1 100        
Nine Mile Point 2 100        
Oyster Creek 100        
Peach Bottom 2 100        
Peach Bottom 3 100        
Pilgrim 1 100        
Salem 1 100        
Salem 2 7   HOLDING POWER - GENERATOR OFFLINE *  
Seabrook 1 100        
Susquehanna 1 100        
Susquehanna 2 100        
Three Mile Island 1 100   230 KV LINE 1051 OOS FOR MAINTENANCE UNTIL 6/11/07    
Vermont Yankee 0 05/13/2007 REFUELING OUTAGE    

Region 2

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Browns Ferry 1 9   HOLDING FOR TESTING MADISON-1 500 KV LINE OOS UNTIL 2JUN07    
Browns Ferry 2 100   MADISON-1 500 KV LINE OOS UNTIL 2JUN07    
Browns Ferry 3 100   MADISON-1 500 KV LINE OOS UNTIL 2JUN07    
Brunswick 1 100        
Brunswick 2 100        
Catawba 1 100        
Catawba 2 100        
Crystal River 3 100        
Farley 1 100        
Farley 2 100        
Harris 1 100        
Hatch 1 100        
Hatch 2 100        
McGuire 1 45   HOLDING POWER FOR SECONDARY PLANT CONCERNS *  
McGuire 2 100        
North Anna 1 100        
North Anna 2 100        
Oconee 1 100        
Oconee 2 42   INCREASING POWER *  
Oconee 3 100        
Robinson 2 100        
Saint Lucie 1 100     *  
Saint Lucie 2 100        
Sequoyah 1 100        
Sequoyah 2 100        
Summer 100        
Surry 1 90   HOLDING POWER FOR TROUBLESHOOTING #3 TURBINE STOP VALVE *  
Surry 2 100        
Turkey Point 3 100        
Turkey Point 4 78   INCREASING POWER *  
Vogtle 1 98   100% ELECTRICAL CAPABILITY.    
Vogtle 2 99   100% ELECTRICAL CAPABILITY    
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 2 100        
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 99   100% ELECTRICAL CAPABILITY    
Dresden 3 100        
Duane Arnold 98   100% ELECTRICAL CAPABILITY    
Fermi 2 100        
Kewaunee 100        
La Salle 1 100        
La Salle 2 100        
Monticello 100        
Palisades 100        
Perry 1 97   HOLDING FOR HEAT BALANCE ISSUES WITH FEEDWATER FLOW VENTURIES *  
Point Beach 1 100        
Point Beach 2 100        
Prairie Island 1 100        
Prairie Island 2 100        
Quad Cities 1 98   100% ELECTRICAL CAPABILITY *  
Quad Cities 2 97   100% ELECTRICAL CAPABILITY    

Region 4

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Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Arkansas Nuclear 1 10   HOLDING POWER WHILE TROUBLESHOOTING ISSUES WITH "C" PHASE OF THE UNIT MAIN SERVICE TRANSFORMER - GENERATOR OFFLINE *  
Arkansas Nuclear 2 100        
Callaway 100   SWITCHYARD WORK THROUGH 5/31    
Columbia Generating Station 0 05/12/2007 REFUELING OUTAGE    
Comanche Peak 1 100        
Comanche Peak 2 100        
Cooper 100        
Diablo Canyon 1 48   DIGITAL FEEDWATER TESTING IN PROGRESS *  
Diablo Canyon 2 100        
Fort Calhoun 100        
Grand Gulf 1 100        
Palo Verde 1 0 05/18/2007 REFUELING OUTAGE    
Palo Verde 2 100        
Palo Verde 3 40   HOLDING POWER FOR CONDENSER TUBE LEAK REPAIR    
River Bend 1 0 05/22/2007 FORCED OUTAGE - SHUTDOWN TO INVESTIGATE AND REPAIR 'A' RECIRC PUMP DISCHARGE VALVE MALFUNCTION    
San Onofre 2 99   100% ELECTRICAL CAPABILITY    
San Onofre 3 100        
South Texas 1 100        
South Texas 2 100        
Waterford 3 100        
Wolf Creek 1 100   69 KV DISTRIBUTION SYSTEM OUTAGE IN THE AREA - NO OFFSITE SOURCES LOST *  

* - 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