Byron

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Constellation

	Region	Reactor type	Containment type
Braidwood	NRC Region 3	Westinghouse PWR 4-Loop	Ambient Pressure
Byron	NRC Region 3	Westinghouse PWR 4-Loop	Ambient Pressure
Calvert Cliffs	NRC Region 1	CE	Ambient Pressure
Cantera
Clinton	NRC Region 3	GE-6	Mark III
Dresden	NRC Region 3	GE-3 GE-1	Mark I
FitzPatrick	NRC Region 1	GE-4	Mark I
Ginna	NRC Region 1	Westinghouse PWR 2-Loop	Ambient Pressure
Kennett Square	NRC Region 1
LaSalle	NRC Region 3	GE-5	Mark II
Limerick	NRC Region 1	GE-4	Mark II
Nine Mile Point	NRC Region 1	GE-5 GE-2 European Pressurized Reactor	Mark I Mark II
Peach Bottom	NRC Region 1	GE-4 HTGR	Mark I
Quad Cities	NRC Region 4	GE-3	Mark I
Three Mile Island	NRC Region 1	B&W-L-LP	Ambient Pressure

Plant

Inspections

NRC Residents: Noah Bolling, Ashley Demeter, Jamie Weigandt (based on [newsletter list])

Inspections: Latest Schedule letter

Inspection Reports:
2024: 1(0)2(0)5(0)10(0)11(0)401(0)
2023: 1(0)2(0)3(0)4(0)5(0)6(0)10(0)11(0)301(0)401(0)402(0)501(0)1(0)2(0)5(0)10(0)11(0)401(0)
[full table]

Findings List (0) (CCA Matrix)

Letter
log

	Issue date	Title	Topic
PMNS20241276, Pre-Application Meeting with Constellation Energy Generation, LLC, (Constellation) Regarding Potential Alternative for Reactor Pressure Vessel Stud Examinations	6 November 2024	Pre-Application Meeting with Constellation Energy Generation, LLC, (Constellation) Regarding Potential Alternative for Reactor Pressure Vessel Stud Examinations	Pre-application
ML24310A067	5 November 2024	Constellation NRC Pre-Submittal Meeting Slides - Proposed Alternative for Reactor Vessel Closure Stud Exam Optimization	Aging Management Stress corrosion cracking Subsequent License Renewal Pre-submittal
RS-24-104, Nuclear Radiological Emergency Plan Document Revision	1 November 2024	Nuclear Radiological Emergency Plan Document Revision

Projects

	Start date	Title	Request type
EPID:L-2024-LLA-0072	28 June 2024		License Amendment
EPID:L-2024-LLA-0046	12 April 2024	TSTF-591	License Amendment
EPID:L-2019-LLA-0757	30 January 2019		License Amendment

**Byron** (BYR)
*Byron Nuclear Generating Station*
Plant
Company	Constellation
Where	Rock River, Illinois
Regulatory
Region	NRC Region 3
ISFSI docket	07200068
Company History
Exelon->Constellation (February 2, 2022)
wikipedia link
v • d • e

Reactor Unit 1
Status
Docket	05000454
License	NPF–37
Licensed Power Level (Thermal)	3645 MWt
Unit type	Westinghouse PWR 4-Loop
Containment	Ambient Pressure
Ultimate Heat Sink	Cooling Tower
Commission	02/14/1985
NRC Website
v • d • e

Reactor Unit 2
Status
Docket	05000455
License	NPF–66
Licensed Power Level (Thermal)	3645 MWt
Unit type	Westinghouse PWR 4-Loop
Containment	Ambient Pressure
Ultimate Heat Sink	Cooling Tower
Commission	01/30/1987
NRC Website
v • d • e

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