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Power Reactor Status Report for May 31, 2007

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 1 100
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 2007-05-13 REFUELING OUTAGE

Region 2

Unit Power Down Reason or Comment Change in Report (*) 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

Unit Power Down Reason or Comment Change in Report (*) 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

Unit Power Down Reason or Comment Change in Report (*) 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 2007-05-12 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 2007-05-18 REFUELING OUTAGE
Palo Verde 2 100
Palo Verde 3 40 HOLDING POWER FOR CONDENSER TUBE LEAK REPAIR
River Bend 1 0 2007-05-22 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.