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Power Reactor Status Report for May 18, 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 1 100 *
Beaver Valley 2 100
Calvert Cliffs 1 77 INCREASING POWER AFTER EXITING A MAINTENANCE OUTAGE *
Calvert Cliffs 2 100
FitzPatrick 100
Ginna 98 OPERATING AT REDUCED LOAD DUE TO DELTA-T SETPOINT ISSUES
Hope Creek 1 100
Indian Point 2 99 MAXIMUM OPERATING POWER DUE TO STEAM FLOW DEMAND - TURBINE THROTTLE VALVES FULLY OPEN
Indian Point 3 94 HOLDING POWER AT THIS LEVEL TO PERFORM TURBINE STOP AND CONTROL VALVE TESTING *
Limerick 1 100
Limerick 2 0 1999-04-16 REFUELING OUTAGE - HYDROSTATIC TEST IN PROGRESS *
Millstone 2 79 INCREASING POWER TO 90% FOR AN NRC HOLD *
Millstone 3 0 1999-05-01 REFUELING OUTAGE - FUEL OFFLOAD SUSPENDED DUE TO PROBLEMS WITH SIGMA MACHINE
Nine Mile Point 1 0 1999-04-11 REFUELING OUTAGE - DEFUELED
Nine Mile Point 2 100
Oyster Creek 100
Peach Bottom 2 100
Peach Bottom 3 100
Pilgrim 1 0 1999-05-08 REFUELING OUTAGE - FIRST PHASE OF FUEL SHUFFLE COMPLETE
Salem 1 100
Salem 2 0 1999-04-03 REFUELING OUTAGE
Seabrook 1 92 HOLDING POWER AT THIS LEVEL TO MONITOR TURBINE VIBRATION AFTER EXITING A REFUELING OUTAGE *
Susquehanna 1 100
Susquehanna 2 100
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 85 INCREASING POWER AFTER RECOVERING FROM AN AUTOMATIC TURBINE TRIP/REACTOR SCRAM FROM 100% POWER DURING MAIN TURBINE OVERSPEED TESTING ON 05/15/99 (REFER TO EVENT #35720) *
Browns Ferry 3 100
Brunswick 1 100
Brunswick 2 0 1999-04-16 REFUELING OUTAGE
Catawba 1 0 1999-04-21 REFUELING OUTAGE - PLAN TO ENTER MODE 4 TODAY *
Catawba 2 0 1999-05-03 MAINTENANCE OUTAGE - PLAN TO ENTER MODE 4 BY THE END OF THIS SHIFT TO REPAIR A HARD GROUND ON THE GENERATOR ROTOR *
Crystal River 3 100
Farley 1 100
Farley 2 100
Harris 1 100
Hatch 1 98 HOLDING POWER AT THIS LEVEL TO PERFORM A 24-HOUR SOAK AS PART OF POWER UPRATE TESTING *
Hatch 2 98 MAXIMUM OPERATING POWER
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 1 100
Saint Lucie 2 100
Sequoyah 1 100
Sequoyah 2 100
Summer 0 1999-05-18 MANUAL REACTOR TRIP FROM 73% POWER DUE TO HIGH VIBRATION ON THE MAIN TURBINE AFTER EXITING A REFUELING OUTAGE (REFER TO EVENT #35729) *
Surry 1 100
Surry 2 0 1999-04-18 REFUELING OUTAGE
Turkey Point 3 100
Turkey Point 4 100
Vogtle 1 100
Vogtle 2 100
Watts Bar 1 100

Region 3

Unit Power Down Reason or Comment Change in Report (*) Scrams (#)
Braidwood 1 100 *
Braidwood 2 0 1999-04-23 REFUELING OUTAGE *
Byron 1 12 PLAN TO PLACE UNIT ON LINE TODAY AFTER RECOVERING FROM AN AUTOMATIC REACTOR TRIP FROM 100% POWER DUE TO AN INADVERTENT POWER RANGE HIGH FLUX SIGNAL DURING SURVEILLANCE TESTING ON 05/13/99 (REFER TO EVENT #35710) *
Byron 2 100
Clinton 0 1999-05-14 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 2 100
Dresden 3 100 *
Duane Arnold 100
Fermi 2 97 ADMINISTRATIVE POWER LIMIT
Kewaunee 97 POWER LIMITED DUE TO STEAM GENERATOR TUBE PLUGGING
La Salle 1 100
La Salle 2 100
Monticello 0 1999-05-08 MAINTENANCE OUTAGE
Palisades 0 1999-05-07 MAINTENANCE OUTAGE - PLAN TO PLACE UNIT ON LINE TODAY *
Perry 1 100
Point Beach 1 0 1999-05-14 MAINTENANCE OUTAGE *
Point Beach 2 20 PREPARING TO PLACE THE TURBINE ON LINE AFTER PERFORMING A MAINTENANCE OUTAGE TO RESTORE SECONDARY SYSTEMS TO SERVICE FOLLOWING A LOAD REDUCTION TO 30% POWER TO INSPECT THE #4 FEEDWATER HEATERS *
Prairie Island 1 0 1999-04-16 REFUELING OUTAGE - REACTOR VESSEL HEAD ON AND TENSIONED - FILL AND VENT IN PROGRESS *
Prairie Island 2 100
Quad Cities 1 100
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 0 1999-04-17 MAINTENANCE OUTAGE
Comanche Peak 1 100
Comanche Peak 2 100
Cooper 100
Diablo Canyon 1 100
Diablo Canyon 2 100
Fort Calhoun 100
Grand Gulf 1 100
Palo Verde 1 100
Palo Verde 2 100
Palo Verde 3 100
River Bend 1 0 1999-04-03 REFUELING OUTAGE - FUEL SHUFFLE ON HOLD FOR THE PERFORMANCE OF EMERGENCY CORE COOLING SYSTEM TESTING *
San Onofre 2 97 INCREASING POWER AFTER DECREASING TO 95% POWER TO PERFORM A HEAT TREAT *
San Onofre 3 100 *
South Texas 1 100 *
South Texas 2 100
Waterford 3 94 INCREASING POWER AFTER DECREASING TO 90% POWER TO REPAIR MAIN TURBINE GOVERNOR VALVES *
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.