Power Reactor Status Report for April 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	94		HEATER DRAIN LEVEL CONTROL VALVE ISSUES	*
Calvert Cliffs 1	100
Calvert Cliffs 2	100
FitzPatrick	100		MAIN GENERATOR VOLTAGE REGULATOR IN MANUAL
Ginna	0	04/23/2011	REFUELING OUTAGE	*
Hope Creek 1	100
Indian Point 2	100
Indian Point 3	100
Limerick 1	100
Limerick 2	97		REDUCED POWER DUE TO HIGH RECIRC PUMP TEMPS	*
Millstone 2	0	04/02/2011	REFUELING OUTAGE
Millstone 3	100
Nine Mile Point 1	46		#13 FEEDWATER PUMP OOS	*
Nine Mile Point 2	100
Oyster Creek	100
Peach Bottom 2	100
Peach Bottom 3	100
Pilgrim 1	0	04/17/2011	REFUELING OUTAGE
Salem 1	8		WATERBOX CLEANING
Salem 2	0	04/09/2011	REFUELING OUTAGE
Seabrook 1	0	03/31/2011	EXITING REFUELING OUTAGE
Susquehanna 1	100
Susquehanna 2	0	04/04/2011	REFUELING OUTAGE
Three Mile Island 1	100
Vermont Yankee	100			*

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	100			*
Catawba 1	0	04/23/2011	ENTERING REFUELING OUTAGE
Catawba 2	100
Crystal River 3	0	09/25/2009	MAINTENANCE OUTAGE - CONTAINMENT TENSIONING ON HOLD
Farley 1	100		500 KV OFFSITE LINE OOS FOR PLANNED MAINTENANCE UNTIL 5/6
Farley 2	100		500 KV OFFSITE LINE OOS FOR PLANNED MAINTENANCE UNTIL 5/6
Harris 1	100
Hatch 1	100
Hatch 2	0	03/28/2011	REFUELING OUTAGE
McGuire 1	100
McGuire 2	100
North Anna 1	100
North Anna 2	100
Oconee 1	0	04/01/2011	DEFUELED
Oconee 2	100
Oconee 3	100
Robinson 2	100
Saint Lucie 1	100
Saint Lucie 2	0	01/02/2011	REFUELING OUTAGE
Sequoyah 1	100
Sequoyah 2	92		COASTDOWN TO REFUELING OUTAGE
Summer	0	04/15/2011	REFUELING OUTAGE
Surry 1	100
Surry 2	0	04/16/2011	REFUELING OUTAGE
Turkey Point 3	100
Turkey Point 4	0	03/20/2011	EXITING REFUELING OUTAGE
Vogtle 1	100
Vogtle 2	100
Watts Bar 1	0	04/03/2011	DEFUELED

Region 3

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Braidwood 1	100
Braidwood 2	0	04/17/2011	DEFUELED
Byron 1	80		INCREASING POWER	*
Byron 2	100
Clinton	97		100% ELECTRICAL CAPABILITY
D.C. Cook 1	100
D.C. Cook 2	100
Davis-Besse	99			*
Dresden 2	100
Dresden 3	100
Duane Arnold	100
Fermi 2	100		N-1 CONTINGENCY FOR LOW VOLTAGE
Kewaunee	100
La Salle 1	100
La Salle 2	80		LOW PRESSURE HEATER DRAIN LEVEL CONTROL ISSUES	*
Monticello	0	03/04/2011	REFUELING OUTAGE
Palisades	100
Perry 1	0	04/17/2011	REFUELING OUTAGE
Point Beach 1	100
Point Beach 2	0	02/28/2011	EXITING REFUELING OUTAGE
Prairie Island 1	90		DECREASING POWER FOR TREVI-TESTING OF MSSVS	*
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	43		STORMS/DISPATCH REQUEST	*
Arkansas Nuclear 2	43		STORMS/DISPATCH REQUEST	*
Callaway	100
Columbia Generating Station	0	04/02/2011	REFUELING OUTAGE
Comanche Peak 1	100
Comanche Peak 2	46		INCREASING POWER	*
Cooper	0	03/12/2011	EXITING REFUELING OUTAGE
Diablo Canyon 1	100
Diablo Canyon 2	100
Fort Calhoun	0	04/09/2011	REFUELING OUTAGE
Grand Gulf 1	96		POWER LIMITED 2ND STAGE MSR OUT OF SERVICE FOR THE ENTIRE CYCLE
Palo Verde 1	100
Palo Verde 2	0	04/01/2011	REFUELING OUTAGE
Palo Verde 3	100
River Bend 1	100
San Onofre 2	100
San Onofre 3	100
South Texas 1	0	04/02/2011	REFUELING OUTAGE
South Texas 2	100
Waterford 3	0	04/05/2011	REFUELING OUTAGE
Wolf Creek 1	0	03/18/2011	DEFUELED

* - 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.