Power Reactor Status Report for May 23, 2010

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	100
Hope Creek 1	100
Indian Point 2	100
Indian Point 3	100
Limerick 1	100
Limerick 2	100
Millstone 2	0	05/22/2010	REACTOR TRIP - SEE EN #45945	*	1
Millstone 3	100
Nine Mile Point 1	100
Nine Mile Point 2	100
Oyster Creek	100
Peach Bottom 2	40		REDUCED FOR SCRAM TIME TESTING, WATER BOX CLEANING, & B RECIRC PUMP MAINTENANCE	*
Peach Bottom 3	100
Pilgrim 1	100
Salem 1	100
Salem 2	100
Seabrook 1	100		CONTINGENCY IN EFFECT TO REDUCE POWER TO 800MWE DUE TO 363 LINE MAINTENANCE UNTIL MAY 28	*
Susquehanna 1	94		100% ELECTRICAL CAPABILITY, MIN GENERATION ALERT	*
Susquehanna 2	94		100% ELECTRICAL CAPABILITY, MIN GENERATION ALERT	*
Three Mile Island 1	100
Vermont Yankee	12		PLACING GENERATOR ON LINE	*

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	64		MAINTENANCE ON REACTOR FEED PUMP
Catawba 1	100
Catawba 2	100
Crystal River 3	0	09/25/2009	DEFUELED
Farley 1	100
Farley 2	0	05/22/2010	REACTOR TRIP - SEE EN #45946	*	1
Harris 1	100
Hatch 1	100
Hatch 2	100			*
McGuire 1	100
McGuire 2	100
North Anna 1	100
North Anna 2	100
Oconee 1	100
Oconee 2	0	04/24/2010	REFUELING OUTAGE	*
Oconee 3	100
Robinson 2	0	03/28/2010	DEFUELED
Saint Lucie 1	0	04/04/2010	REFUELING OUTAGE
Saint Lucie 2	100
Sequoyah 1	100
Sequoyah 2	100
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	0	05/21/2010	TURBINE TRIP / REACTOR TRIP - SEE EN#45944

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	97		100% ELECTRICAL CAPABILITY
D.C. Cook 1	100
D.C. Cook 2	100
Davis-Besse	0	02/27/2010	DEFUELED
Dresden 2	100
Dresden 3	75		REDUCED POWER FOR TURBINE VALVE TESTING	*
Duane Arnold	100
Fermi 2	100
Kewaunee	100
La Salle 1	66		REDUCED FOR SURVEILLANCES	*
La Salle 2	100
Monticello	100			*
Palisades	100
Perry 1	100			*
Point Beach 1	100
Point Beach 2	100
Prairie Island 1	100
Prairie Island 2	0	04/16/2010	STATUP IN PROGRESS - JUST CRITICAL	*
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	0	04/17/2010	PREPARING FOR STARTUP	*
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	0	04/25/2010	PREPARING FOR STARTUP
Palo Verde 1	12		PREPARING TO SYNCH GENERATOR TO GRID	*
Palo Verde 2	100
Palo Verde 3	98		REDUCED FOR TESTING	*
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	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.