Power Reactor Status Report for May 28, 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	100
Calvert Cliffs 2	100
FitzPatrick	100
Ginna	0	05/12/2011	DEFUELED
Hope Creek 1	100
Indian Point 2	100
Indian Point 3	100
Limerick 1	100
Limerick 2	88		CONTROL VALVE MECHANICAL ISSUE	*
Millstone 2	100
Millstone 3	100
Nine Mile Point 1	100
Nine Mile Point 2	100
Oyster Creek	77		SCRAM TIME TESTING	*
Peach Bottom 2	100
Peach Bottom 3	80		ROD PATTERN ADJUSTMENT	*
Pilgrim 1	100
Salem 1	100
Salem 2	100			*
Seabrook 1	100
Susquehanna 1	0	05/16/2011	SHUT DOWN FOR PLANNED MAINTENANCE
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	89		LIMITED BY CORE FLOW 1 OUT OF 7 500 KV OFFSITE LINES OOS	*
Browns Ferry 2	86		PRECONDITIONING FUEL 1 OUT OF 7 500 KV OFFSITE LINES OOS	*
Browns Ferry 3	0	04/27/2011	1 OUT OF 7 500 KV OFFSITE LINES OOS SEE EN #46872	*
Brunswick 1	100
Brunswick 2	100
Catawba 1	0	04/23/2011	REFUELING OUTAGE
Catawba 2	100
Crystal River 3	0	09/25/2009	CORE OFFLOAD IN PROGRESS CONTAINMENT TENSIONING ON HOLD
Farley 1	100
Farley 2	100
Harris 1	100
Hatch 1	100
Hatch 2	0	05/27/2011	MAINTENANCE OUTAGE FOR SAFETY RELIEF VALVE PROBLEM	*
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	100
Sequoyah 1	100
Sequoyah 2	0	05/22/2011	REFUELING OUTAGE
Summer	0	04/15/2011	EXITING REFUELING OUTAGE
Surry 1	100
Surry 2	0	04/16/2011	EXITING 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 (*)	Number of Scrams (#)
Braidwood 1	99		REDUCED DUE TO UNCERTAINTY IN FEEDWATER FLOW MEASUREMENT
Braidwood 2	60		REDUCING POWER FOR TURBINE MAINTENANCE	*
Byron 1	98		REDUCED DUE TO UNCERTAINTY IN FEEDWATER FLOW MEASUREMENT
Byron 2	81		INCREASING POWER	*
Clinton	97		100% ELECTRICAL CAPABILITY	*
D.C. Cook 1	100
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	51		INCREASING POWER	*
Palisades	100
Perry 1	0	04/17/2011	REFUELING OUTAGE
Point Beach 1	100
Point Beach 2	0	02/28/2011	REFUELING OUTAGE
Prairie Island 1	0	04/29/2011	REFUELING OUTAGE
Prairie Island 2	100
Quad Cities 1	0	05/08/2011	REFUELING OUTAGE
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	0	04/02/2011	REFUELING OUTAGE
Comanche Peak 1	100
Comanche Peak 2	100
Cooper	100
Diablo Canyon 1	100
Diablo Canyon 2	0	04/30/2011	REFUELING - CORE RELOAD COMPLETE STARTUP TRANSFORMER MAINTENANCE	*
Fort Calhoun	0	04/09/2011	DEFUELED
Grand Gulf 1	96		POWER LIMITED 2ND STAGE MSR OUT OF SERVICE FOR THE ENTIRE CYCLE
Palo Verde 1	100
Palo Verde 2	100
Palo Verde 3	100
River Bend 1	100
San Onofre 2	100			*
San Onofre 3	100			*
South Texas 1	100
South Texas 2	100
Waterford 3	100
Wolf Creek 1	0	03/18/2011	REFUELING OUTAGE

* - 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.