Power Reactor Status Report for April 9, 2012

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	0	04/08/2012	REFUELING OUTAGE	*
Beaver Valley 2	100
Calvert Cliffs 1	0	02/05/2012	REACTOR IS CRITICAL. PLANT STARTUP IN PROGRESS.	*
Calvert Cliffs 2	100
FitzPatrick	100
Ginna	100
Hope Creek 1	96		COASTDOWN TO REFUELING OUTAGE 500 KV 5023 LINE OOS FOR PLANNED MAINTENANCE	*
Indian Point 2	100			*
Indian Point 3	100		138 KV AUX TRANSFORMER OOS
Limerick 1	100
Limerick 2	100
Millstone 2	100
Millstone 3	100
Nine Mile Point 1	100
Nine Mile Point 2	0	04/08/2012	REACTOR IS SUBCRITICAL IN MODE 2 COMMENCING REFUELING OUTAGE.	*
Oyster Creek	100
Peach Bottom 2	100		SBO LINE OOS FOR PM	*
Peach Bottom 3	100		SBO LINE OOS FOR PM	*
Pilgrim 1	100
Salem 1	100
Salem 2	100
Seabrook 1	85		HOLDING POWER BASED ON GENERATOR STATOR COOLING DELTA T LIMIT
Susquehanna 1	0	03/31/2012	REFUELING OUTAGE
Susquehanna 2	100		HIGH SYSTEM VOLTAGE ACTION
Three Mile Island 1	100		HIGH SYSTEM VOLTAGE ACTION
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	0	04/07/2012	REFUELING OUTAGE	*
Brunswick 1	0	02/23/2012	REFUELING OUTAGE
Brunswick 2	100
Catawba 1	0	04/04/2012	FORCED OUTAGE. SEE EN #47805	*
Catawba 2	0	03/10/2012	REFUELING OUTAGE	*
Crystal River 3	0	09/25/2009	DEFUELED - CONTAINMENT TENSIONING ON HOLD
Farley 1	0	04/01/2012	DEFUELED	*
Farley 2	100
Harris 1	97		COASTDOWN TO REFUELING OUTAGE
Hatch 1	100
Hatch 2	100
McGuire 1	100
McGuire 2	100
North Anna 1	0	03/10/2012	REFUELING OUTAGE	*
North Anna 2	100			*
Oconee 1	100
Oconee 2	100
Oconee 3	82		COASTDOWN TO REFUELING OUTAGE	*
Robinson 2	100
Saint Lucie 1	0	04/07/2012	SHUTDOWN FOR WATERBOX REPAIR
Saint Lucie 2	100
Sequoyah 1	100
Sequoyah 2	100
Summer	100
Surry 1	100		HIGH SYSTEM VOLTAGE ACTION
Surry 2	98		CALORIMETRIC NON-FUNCTIONAL WHEN ON EXCESS LETDOWN HIGH SYSTEM VOLTAGE ACTION
Turkey Point 3	0	02/26/2012	DEFUELED
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	100
Braidwood 2	100
Byron 1	100		FEED WATER FLOW INVESTIGATION - POWER LIMITED TO 99.6%
Byron 2	100		FEED WATER FLOW INVESTIGATION - POWER LIMITED TO 99.9%
Clinton	97		100% ELECTRICAL CAPABILITY
D.C. Cook 1	100		HI VOLTAGE ACTION
D.C. Cook 2	0	03/21/2012	DEFUELED HI VOLTAGE ACTION
Davis-Besse	100
Dresden 2	100
Dresden 3	100
Duane Arnold	100
Fermi 2	0	03/25/2012	REFUELING OUTAGE
Kewaunee	0	04/05/2012	REFUELING OUTAGE	*
La Salle 1	100
La Salle 2	100
Monticello	100
Palisades	0	04/08/2012	REFUELING OUTAGE	*
Perry 1	100
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	0	02/21/2012	DEFUELED
Quad Cities 1	100		MONITORING TURBINE VIBRATION
Quad Cities 2	0		REFUELING OUTAGE

Region 4

Unit	Power	Down	Reason or Comment	Change in report (*)	Number of Scrams (#)
Arkansas Nuclear 1	100
Arkansas Nuclear 2	100
Callaway	98		TURBINE CONTROL OSCILLATIONS	*
Columbia Generating Station	85		DOWNPOWER FOR LOAD FOLLOWING
Comanche Peak 1	100
Comanche Peak 2	99		100% TURBINE LOAD	*
Cooper	100
Diablo Canyon 1	100
Diablo Canyon 2	100
Fort Calhoun	0	04/09/2011	REFUELING OUTAGE
Grand Gulf 1	0	02/19/2012	REFUELING OUTAGE
Palo Verde 1	100
Palo Verde 2	100
Palo Verde 3	0	03/16/2012	REFUELING OUTAGE - CORE RELOAD COMPLETED
River Bend 1	100
San Onofre 2	0	01/09/2012	REFUELING OUTAGE
San Onofre 3	0	01/31/2012	FORCED OUTAGE - S/G REPAIR
South Texas 1	100
South Texas 2	0	11/28/2011	HEATUP IN PROGRESS	*
Waterford 3	76		INCREASING POWER	*
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.