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Power Reactor Status Report for April 06, 1999

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

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Region 1

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Beaver Valley 1 98 POWER LIMITED DUE TO AN OUT OF SERVICE MOISTURE SEPARATOR REHEATER
Beaver Valley 2 0 1999-02-26 EXITING REFUELING OUTAGE
Calvert Cliffs 1 100
Calvert Cliffs 2 0 1999-03-12 REFUELING OUTAGE - DEFUELED
FitzPatrick 100
Ginna 0 1999-03-01 REFUELING OUTAGE - FUEL RELOAD COMPLETE *
Hope Creek 1 91 INCREASING POWER AFTER EXITING A REFUELING OUTAGE *
Indian Point 2 99 MAXIMUM OPERATING POWER DUE TO TURBINE CONTROL VALVE POSITION
Indian Point 3 100
Limerick 1 100
Limerick 2 84 COASTDOWN TO REFUELING OUTAGE
Millstone 2 0 1996-02-20 REFUELING OUTAGE - COOLDOWN IN PROGRESS - PLAN TO ENTER MODE 5 (COLD SHUTDOWN) TO REPAIR A SMALL (400 ml/min) BODY-TO-BONNET LEAK IN A SHUTDOWN COOLING SUCTION VALVE (FIRST VALVE OFF OF THE HOT LEG) - LEAK UNISOLABLE FROM REACTOR COOLANT SYSTEM *
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 80 HOLDING POWER AT THIS LEVEL DUE TO AN INOPERABLE MAIN STEAM ISOLATION VALVE *
Salem 1 100
Salem 2 0 1999-04-03 ENTERING REFUELING OUTAGE
Seabrook 1 0 1999-03-27 REFUELING OUTAGE - REACTOR VESSEL HEAD REMOVED - FLOOD-UP IN PROGRESS *
Susquehanna 1 100
Susquehanna 2 0 1999-03-12 REFUELING OUTAGE - FUEL PARTIALLY OFFLOADED - FUEL SHUFFLE SUSPENDED DUE TO REFUELING MACHINE PROBLEMS
Three Mile Island 1 100
Vermont Yankee 100

Region 2

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Browns Ferry 1 0 1985-03-03 DEFUELED
Browns Ferry 2 82 COASTDOWN TO REFUELING OUTAGE AND PERFORMANCE OF FEEDWATER SYSTEM MAINTENANCE ACTIVITIES *
Browns Ferry 3 100
Brunswick 1 100
Brunswick 2 96 COASTDOWN TO REFUELING OUTAGE *
Catawba 1 100
Catawba 2 100
Crystal River 3 60 HOLDING POWER AT THIS LEVEL TO TROUBLESHOOT A SECOND CONDENSATE PUMP TRIP - SWAPPED TO FROM 'B' CONTROLLER TO SPARE CONTROLLER AFTER FIRST TRIP (OVER WEEKEND) - LOOKING FOR COMMON CAUSE AFTER SECOND TRIP *
Farley 1 100
Farley 2 49 OPERATING AT REDUCED POWER TO AVOID COASTDOWN DURING PEAK DEMAND PERIOD *
Harris 1 100
Hatch 1 0 1999-03-01 REFUELING OUTAGE - FUEL SHUFFLE COMPLETE
Hatch 2 98 MAXIMUM OPERATING POWER DUE TO TURBINE CONTROL VALVE POSITION AFTER PERFORMANCE OF POWER UPRATE *
McGuire 1 100
McGuire 2 0 1999-03-12 REFUELING OUTAGE - FUEL RELOAD COMPLETE
North Anna 1 100 *
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 68 COASTDOWN TO REFUELING OUTAGE *
Summer 0 1999-04-03 ENTERING REFUELING OUTAGE - PLAN TO DETENTION VESSEL HEAD IN A DAY OR TWO *
Surry 1 100
Surry 2 73 COASTDOWN TO REFUELING OUTAGE *
Turkey Point 3 100
Turkey Point 4 0 1999-03-15 EXITING REFUELING OUTAGE *
Vogtle 1 100
Vogtle 2 100
Watts Bar 1 0 1999-02-27 REFUELING OUTAGE

Region 3

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Braidwood 1 0 1999-04-05 FORCED MAINTENANCE OUTAGE DUE TO CATASTROPHIC FAILURE OF A HEATER DRAIN TANK RUPTURE DISC IN A LINE BETWEEN THE HEATER DRAIN TANK AND CONDENSER *
Braidwood 2 92 COASTDOWN TO REFUELING OUTAGE
Byron 1 0 1999-03-27 REFUELING OUTAGE - DEFUELED
Byron 2 70 HOLDING POWER AT THIS LEVEL TO REPAIR A LOW PRESSURE HEATER LEAK (ONE STRING OF LOW PRESSURE HEATERS OUT OF SERVICE) - EXPECT REPAIRS TO BE COMPLETED LATE TODAY *
Clinton 0 1996-09-06 REFUELING OUTAGE
D.C. Cook 1 0 1997-09-08 MAINTENANCE OUTAGE
D.C. Cook 2 0 1997-09-09 REFUELING OUTAGE
Davis-Besse 100
Dresden 2 99 MAXIMUM OPERATING POWER DUE TO TURBINE CONTROL VALVE POSITION
Dresden 3 99 MAXIMUM OPERATING POWER DUE TO TURBINE CONTROL VALVE POSITION
Duane Arnold 100
Fermi 2 97 POWER LIMITED DUE TO POWER UPRATE ISSUES
Kewaunee 97 POWER LIMITED DUE TO STEAM GENERATOR TUBE PLUGGING *
La Salle 1 96 INCREASING POWER AFTER REDUCING TO 65% FOR PERFORMANCE OF POWER SUPPRESSION TESTING TO IDENTIFY A FUEL LEAK *
La Salle 2 0 1996-09-20 REFUELING OUTAGE
Monticello 100
Palisades 100
Perry 1 0 1999-03-26 REFUELING OUTAGE - FUEL OFFLOAD IN PROGRESS
Point Beach 1 100
Point Beach 2 100
Prairie Island 1 100
Prairie Island 2 100
Quad Cities 1 99 MAXIMUM OPERATING POWER DUE TO JET PUMP RISER BRACE LIMITATIONS
Quad Cities 2 100

Region 4

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Arkansas Nuclear 1 100
Arkansas Nuclear 2 100
Callaway 100
Columbia Generating Station 85 HOLDING POWER AT THIS LEVEL FOR ECONOMIC DISPATCH UNTIL PERFORMANCE OF A PLANNED FUEL SAVINGS DISPATCH OUTAGE *
Comanche Peak 1 100
Comanche Peak 2 0 1999-03-20 REFUELING OUTAGE - DEFUELED
Cooper 100
Diablo Canyon 1 100
Diablo Canyon 2 100
Fort Calhoun 100
Grand Gulf 1 100
Palo Verde 1 100
Palo Verde 2 0 1999-03-26 REFUELING OUTAGE - DEFUELED
Palo Verde 3 100
River Bend 1 0 1999-04-03 REFUELING OUTAGE - VESSEL HEAD LIFT COMPLETE - WAITING FOR COMPLETION OF A MODIFICATION PRIOR TO FLOOD-UP *
San Onofre 2 100
San Onofre 3 0 1999-03-27 REFUELING OUTAGE - FUEL OFFLOAD IN PROGRESS *
South Texas 1 0 1999-03-26 REFUELING OUTAGE - FUEL OFFLOAD IN PROGRESS
South Texas 2 100
Waterford 3 100 *
Wolf Creek 1 0 1999-04-03 ENTERING REFUELING OUTAGE - MAY DETENTION VESSEL HEAD TOMORROW *

* - 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.