Power Reactor Status Report for December 23, 2015

UNEVALUATED INFORMATION PROVIDED BY THE FACILITY

On this page:

• Region 1 Reactors
• Region 2 Reactors
• Region 3 Reactors
• Region 4 Reactors

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		HIGH SYSTEM VOLTAGE ACTION
Calvert Cliffs 2	100		HIGH SYSTEM VOLTAGE ACTION
FitzPatrick	100
Ginna	100
Hope Creek 1	100		HIGH SYSTEM VOLTAGE ACTION
Indian Point 2	100
Indian Point 3	100
Limerick 1	100
Limerick 2	100
Millstone 2	100
Millstone 3	100
Nine Mile Point 1	100
Nine Mile Point 2	100
Oyster Creek	100
Peach Bottom 2	100		100 MVAR RESTRICTION DUE TO TURBINE BEARING VIBRATIONS
Peach Bottom 3	100
Pilgrim 1	100
Salem 1	100
Salem 2	100
Seabrook 1	100		ONE CONTINGENCY AWAY FROM OPERATING AT 800 MW (PER LOAD DISPATCH)
Susquehanna 1	100		HIGH SYSTEM VOLTAGE ACTION	*
Susquehanna 2	100		HIGH SYSTEM VOLTAGE ACTION	*
Three Mile Island 1	100		HIGH SYSTEM VOLTAGE ACTION

Region 2

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Browns Ferry 1	100		POTENTIAL SEVERE WEATHER	*
Browns Ferry 2	100		POTENTIAL SEVERE WEATHER	*
Browns Ferry 3	90		COASTDOWN TO REFUELING OUTAGE POTENTIAL SEVERE WEATHER	*
Brunswick 1	99		COASTDOWN TO REFUELING OUTAGE	*
Brunswick 2	100
Catawba 1	100
Catawba 2	100
Farley 1	100
Farley 2	100
Harris 1	100
Hatch 1	98		COASTDOWN TO REFUELING OUTAGE	*
Hatch 2	100
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	47		HOLDING DUE TO HYDROGEN COOLING ISSUE ON MAIN GENERATOR
Sequoyah 2	99		REDUCE POWER FOR CONDENSATE DEMINERALIZER MAINTENANCE	*
Summer	100
Surry 1	100
Surry 2	100
Turkey Point 3	100
Turkey Point 4	100
Vogtle 1	100
Vogtle 2	100
Watts Bar 1	100
Watts Bar 2	0

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	100
Clinton	100
D.C. Cook 1	100		HIGH SYSTEM VOLTAGE ACTION	*
D.C. Cook 2	100		HIGH SYSTEM VOLTAGE ACTION	*
Davis-Besse	100		HIGH SYSTEM VOLTAGE ACTION
Dresden 2	100
Dresden 3	100
Duane Arnold	100
Fermi 2	100
La Salle 1	100
La Salle 2	100
Monticello	100
Palisades	100
Perry 1	100		HIGH SYSTEM VOLTAGE ACTION
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	0	12/17/2015	AUTO REACTOR TRIP AND UNUSUAL EVENT DUE TO FIRE - SEE EN #51609 FORCED OUTAGE
Quad Cities 1	100
Quad Cities 2	100

Region 4

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Arkansas Nuclear 1	100
Arkansas Nuclear 2	100
Callaway	100
Columbia Generating Station	100
Comanche Peak 1	100
Comanche Peak 2	100
Cooper	100
Diablo Canyon 1	100
Diablo Canyon 2	100
Fort Calhoun	100
Grand Gulf 1	98		HOLD FOR SETUP FOR POWER SUPPRESSION TESTING
Palo Verde 1	100
Palo Verde 2	100
Palo Verde 3	100
River Bend 1	100
South Texas 1	0	12/21/2015	MANUAL REACTOR TRIP-SEE EN#51615
South Texas 2	100
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.