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Home NRC Library Document Collections Events, Reports Associated with Power Reactor Status Reports 2007

Power Reactor Status Report for April 20, 2007

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

On this page:

Region 1

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 0 04/06/2007 SHUTDOWN DUE TO TRANSFORMER ISSUE; UNIT ON RHR COOLING *  
Limerick 1 100        
Limerick 2 100        
Millstone 2 100   345 KV LINE WILL BE TAKEN OOS (LINE #371) ON DAY SHIFT FOR SWITCHYARD MAINTENANCE INCLUDING SOUTH BUS OUTAGE; IN PLANT TS FOR OFFSITE SOURCES; HIGH RISK TEST FOR MULITPLE RX TRIP RISK *  
Millstone 3 0 04/07/2007 DEFUELED-345 KV LINE WILL BE TAKEN OOS (LINE #371) ON DAY SHIFT FOR SWITCHYARD MAINTENANCE INCLUDING SOUTH BUS OUTAGE *  
Nine Mile Point 1 100        
Nine Mile Point 2 100        
Oyster Creek 100        
Peach Bottom 2 100        
Peach Bottom 3 100        
Pilgrim 1 0 04/06/2007 REFUELING OUTAGE    
Salem 1 19   HOLDING POWER - GENERATOR OFFLINE DUE TO ISSUE WITH EXCITER *  
Salem 2 100        
Seabrook 1 100        
Susquehanna 1 100   GENERATOR VOLTAGE REGULATOR IN MANUAL.    
Susquehanna 2 85   HOLDING POWER FOR TESTING, ANTICIPATE INCREASE LATER TODAY - GENERATOR VOLTAGE REGULATOR IN MANUAL. *  
Three Mile Island 1 100        
Vermont Yankee 100        

Region 2

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Browns Ferry 1 0 03/03/1985 DURING DAY SHIFT WILL REMOVE A 500 KV BUS 1, SECTION 1&2, RED GEN RISK. *  
Browns Ferry 2 35   HOLDING POWER FOR SCRAM TIME TESTING - DURING DAY SHIFT WILL REMOVE A 500 KV BUS 1, SECTION 1&2, RED GEN RISK. *  
Browns Ferry 3 100   DURING DAY SHIFT WILL REMOVE A 500 KV BUS 1, SECTION 1&2, RED GEN RISK. *  
Brunswick 1 100        
Brunswick 2 75   ANTICIPATE TO INCREASE POWER AT 0600 *  
Catawba 1 100        
Catawba 2 100        
Crystal River 3 100        
Farley 1 100        
Farley 2 0 04/09/2007 DEFUELED    
Harris 1 100        
Hatch 1 100        
Hatch 2 100        
McGuire 1 0 03/10/2007 REFUELING OUTAGE - CORE RELOAD COMPLETED - PLAN TO SET RV HEAD TODAY *  
McGuire 2 100        
North Anna 1 100        
North Anna 2 0 03/17/2007 NORMAL OPERATING TEMP - PLAN TO ENTER MODE 2 ON DAYSHIFT *  
Oconee 1 100        
Oconee 2 96   COASTDOWN TO REFUELING OUTAGE - WILL BE REDUCING POWER AT APPROX 1%/24 HRS UNTIL RFO IS ENTERED ON 4/28 *  
Oconee 3 100        
Robinson 2 0 04/06/2007 DEFUELED    
Saint Lucie 1 0 04/01/2007 DEFUELED    
Saint Lucie 2 100        
Sequoyah 1 100        
Sequoyah 2 100        
Summer 100        
Surry 1 100        
Surry 2 100        
Turkey Point 3 100        
Turkey Point 4 100        
Vogtle 1 98   100% ELECTRICAL CAPABILITY.    
Vogtle 2 0 03/03/2007 REFUELING OUTAGE - CURRENTLY PERFORMING HOT ROD TESTING, ANTICIPATE ENTERING MODE 2 AT 1100 *  
Watts Bar 1 100        

Region 3

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Braidwood 1 100        
Braidwood 2 100        
Byron 1 100     *  
Byron 2 0 04/01/2007 REFUELING OUTAGE *  
Clinton 97   100% ELECTRICAL CAPABILITY    
D.C. Cook 1 100        
D.C. Cook 2 100        
Davis-Besse 100        
Dresden 2 98   100% ELECTRICAL CAPABILITY    
Dresden 3 99   100% ELECTRICAL CAPABILITY *  
Duane Arnold 98   100% ELECTRICAL CAPABILITY; A 345 KV LINE IS OOS WHICH IS 1 OF 6 OFFSITE LINES *  
Fermi 2 100        
Kewaunee 100        
La Salle 1 100        
La Salle 2 100        
Monticello 0 03/13/2007 REFUELING OUTAGE    
Palisades 100   SWITCHYARD BATTERY REPLACEMENT CONTINUES *  
Perry 1 0 04/01/2007 REFUELING OUTAGE    
Point Beach 1 0 03/31/2007 RELOADING FUEL    
Point Beach 2 100        
Prairie Island 1 100   345 KV OFFSITE PWR LINE OOS UNTIL 1ST WEEK IN MAY    
Prairie Island 2 100   345 KV OFFSITE PWR LINE OOS UNTIL 1ST WEEK IN MAY.    
Quad Cities 1 82   COASTDOWN TO REFUELING OUTAGE    
Quad Cities 2 96   100% ELECTRICAL CAPABILITY    

Region 4

Unit Power Down Reason or Comment Change in report (*) Number of Scrams (#)
Arkansas Nuclear 1 93   COASTDOWN TO REFUELING OUTAGE    
Arkansas Nuclear 2 100        
Callaway 0 04/01/2007 REFUELING OUTAGE *  
Columbia Generating Station 98   COASTDOWN TO REFUELING OUTAGE *  
Comanche Peak 1 0 02/24/2007 CRITICAL - LOW POWER PHYSICS TESTING *  
Comanche Peak 2 100        
Cooper 100        
Diablo Canyon 1 100   ONE 230 KV STARTUP LINE OOS WITH COMP MEASURES *  
Diablo Canyon 2 100   ONE 230 KV STARTUP LINE OOS WITH COMP MEASURES *  
Fort Calhoun 100        
Grand Gulf 1 65   HOLDING POWER FOR MAINTENANCE *  
Palo Verde 1 100        
Palo Verde 2 100        
Palo Verde 3 0 04/12/2007 MAINTENANCE OUTAGE TO REPAIR TURBINE LUBE OIL PROBLEM - RCS COOLDOWN TO MODE 5 IN PROGRESS    
River Bend 1 100     *  
San Onofre 2 99   100% ELECTRICAL CAPABILITY    
San Onofre 3 100        
South Texas 1 100        
South Texas 2 0 03/25/2007 CORE RELOAD COMPLETE    
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 25, 2021