Power Reactor Status Report for September 27, 2011

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	93		HOLDING POWER FOR WATERBOX CLEANING SOLAR MAGNETIC DISTURBANCE WARNING	*
Calvert Cliffs 2	100		SOLAR MAGNETIC DISTURBANCE WARNING	*
FitzPatrick	100
Ginna	100
Hope Creek 1	100			*
Indian Point 2	100		SOLAR MAGNETIC DISTURBANCE WARNING	*
Indian Point 3	100		SOLAR MAGNETIC DISTURBANCE WARNING	*
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
Peach Bottom 3	0	09/11/2011	REFUELING OUTAGE
Pilgrim 1	100		STARTUP TRANSFORMER MAINTENANCE OUTAGE	*
Salem 1	97		HOLDING FOR FUEL CONDITIONING	*
Salem 2	100
Seabrook 1	100		NEWINGTON OFFSITE POWER LINE OUT OF SERVICE W/ VOLT/VAR RESTRICTIONS
Susquehanna 1	100
Susquehanna 2	100
Three Mile Island 1	100		SOLAR MAGNETIC DISTURBANCE WARNING	*
Vermont Yankee	47		HOLDING FOR RECIRC PUMP MG SET MAINTENANCE	*

Region 2

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Browns Ferry 1	100
Browns Ferry 2	100
Browns Ferry 3	100
Brunswick 1	100
Brunswick 2	99			*
Catawba 1	100
Catawba 2	100
Crystal River 3	0	09/25/2009	DEFUELED; CONTAINMENT TENSIONING ON HOLD
Farley 1	100
Farley 2	100
Harris 1	100
Hatch 1	100
Hatch 2	91		HOLDING DUE TO SRV LEAKAGE
McGuire 1	0	09/17/2011	REFUELING OUTAGE. DEFUELED	*
McGuire 2	100
North Anna 1	0	08/23/2011	SEE EN# 47201
North Anna 2	0	08/23/2011	DEFUELED
Oconee 1	100
Oconee 2	100
Oconee 3	100
Robinson 2	0	09/26/2011	LOOP FLOW REACTOR PROTECTION RELAY ISSUE RESULTED IN AUTOMATIC REACTOR TRIP. SEE EVENT #47293	*	1
Saint Lucie 1	100
Saint Lucie 2	100
Sequoyah 1	100		CHARLESTON #2 161KV LINE OOS	*
Sequoyah 2	100		CHARLESTON #2 161KV LINE OOS	*
Summer	100
Surry 1	100
Surry 2	100
Turkey Point 3	100
Turkey Point 4	100
Vogtle 1	100
Vogtle 2	0	09/18/2011	REFUELING OUTAGE
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	09/18/2011	DEFUELED
Clinton	97		100% ELECTRICAL CAPABILITY
D.C. Cook 1	0	09/21/2011	REFUELING OUTAGE
D.C. Cook 2	100
Davis-Besse	100
Dresden 2	100
Dresden 3	100
Duane Arnold	100
Fermi 2	100
Kewaunee	100
La Salle 1	100
La Salle 2	100
Monticello	100
Palisades	0	09/25/2011	REACTOR TRIP AND SAFETY INJECTION SIGNAL FOLLOWING LOSS OF 120 V AC INSTRUMENT BUSSES. SEE EN #47290	*
Perry 1	100
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	100
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	97		COASTDOWN TO REFUELING OUTAGE	*
Arkansas Nuclear 2	100
Callaway	100
Columbia Generating Station	14		HOLDING POWER FOR STARTUP TESTING
Comanche Peak 1	100
Comanche Peak 2	100
Cooper	100
Diablo Canyon 1	100
Diablo Canyon 2	100
Fort Calhoun	0	04/09/2011	REFUELING OUTAGE
Grand Gulf 1	96		2ND STAGE MSR LIMITED TO 96% POWER
Palo Verde 1	100
Palo Verde 2	100
Palo Verde 3	100
River Bend 1	90		ROD PATTERN ADJUSTMENT	*
San Onofre 2	100
San Onofre 3	100
South Texas 1	100
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.