Byron Nuclear Stations, Units 1 and 2 - License Renewal Application
Byron Facility
Renewed License Issued on 11/19/2015 |
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Braidwood Facility
Renewed License Issued on 01/27/2016 |
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On this page:
Application Information:
- Joint License Renewal Application for Byron and Braidwood Nuclear Stations
- Applicant's Environmental Report for Byron
- Applicant's Environmental Report for Braidwood

License Renewal Review Schedule*
Milestones |
Schedule Date |
Actual Date |
Receive license renewal application (LRA) |
05/29/13 |
05/29/13 |
Publish Federal Register Notice (FRN) – LRA availability |
06/2013 |
06/13/13 |
Publish FRN – acceptance/rejection and opportunity for hearing |
07/2013 |
07/24/13 |
Publish FRN – environmental scoping meeting |
07/2013 |
08/06/13 |
Audit – Scoping & Screening Methodology 1 (at Byron) |
07/2013 |
07/20/13 |
Audit – Aging Management Programs 1 (at Byron) |
08/2013 |
08/20/13 |
Public Meeting - License Renewal Overview and Environmental Scoping meetings |
08/20/13-08/21/13 |
08/20/13
(Byron)
08/21/13
(Braidwood) |
Deadline for filing hearing requests and petitions for intervention |
09/2013 |
09/23/13 |
Audit – Environmental (Byron) |
09/2013 |
09/19/13 |
Environmental scoping period ends* |
09/2013 |
09/27/13 |
Audit – Scoping & Screening Methodology 2 (at Braidwood) |
10/2013 |
12/02/13-12/04/13 |
Audit – Aging Management Programs 2 (at Braidwood) |
10/2013 |
12/02/13-12/06/13 |
Audit – Environmental (Braidwood) |
11/2013 |
11/19/13 |
Regional Inspection (Byron) |
08/2014 |
08/04/14-08/08/14
and 08/22/14 |
Regional Inspection (Braidwood) |
09/2014 |
09/15/14-09/26/14 |
Issue safety evaluation report (SER) with open items |
11/2014 |
10/30/14 |
Advisory Committee on Reactor Safeguards (ACRS) Subcommittee meeting |
12/2014 |
12/03/14 |
Issue draft supplemental environmental impact statement (SEIS) - Byron |
12/2014 |
12/31/14 |
Publish FRN – Byron draft SEIS available for comments |
01/2015 |
01/02/15 |
Public Meeting – Byron draft SEIS meeting |
02/2015 |
02/03/15 |
End of draft SEIS comment period – Byron |
02/2015 |
02/20/15 |
Issue draft SEIS - Braidwood |
03/2015 |
03/18/15 |
Publish FRN – Braidwood draft SEIS available for comments |
03/2015 |
03/25/15 |
Public Meeting – Braidwood draft SEIS meeting |
04/2015 |
04/21/15 |
End of draft SEIS comment period – Braidwood |
05/2015 |
05/12/15 |
Issue final SER |
07/2015 |
07/06/15 |
Issue final SEIS – Byron |
07/2015 |
07/15/15 |
U.S. Environmental Protection Agency FRN Published – availability of final SEIS – Byron |
08/2015 |
07/24/15 |
ACRS full committee meeting |
09/2015 |
09/10/15 |
Issue final SEIS – Braidwood |
11/2015 |
11/12/15 |
U.S. Environmental Protection Agency FRN Published – availability of final SEIS – Braidwood |
11/2015 |
11/27/15 |
Decision – Director, NRR – Bryon |
11/2015 |
11/19/15 |
Decision – Director, NRR – Braidwood |
01/2016 |
01/27/16 |
Commission decision, if hearing granted |
TBD |
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The NRC has documented the results of the environmental scoping period in the Byron Scoping Summary Report and Braidwood Scoping Summary Report.
Note: The Byron and Braidwood Nuclear Stations, Units 1 and 2, review schedule was revised as described in the letter below:

Safety Evaluation Report
The NRC staff reviewed the Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2, license renewal application for compliance with the requirements of Title 10 of the Code of Federal Regulations, Part 54, "Requirements for Renewal of Operating Licenses for Nuclear Power Plants," and prepared this report to document its preliminary findings. The document was issued on October 30, 2014, as "Safety Evaluation Report with Open Items Related to the License Renewal of Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2."
Subsequently, on July 6, 2015, the staff issued the document "Safety Evaluation Report Related to the License Renewal of Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2."
In December 2015, the staff published the final "Safety Evaluation Report Related to the License Renewal of Byron Station, Units 1 and 2, and Braidwood Station, Units 1 and 2" as NUREG-2190.

Environmental Impact Statements
NUREG-1437, "Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding Byron Station, Units 1 and 2 (NUREG-1437, Supplement 54) Final Report," was published in July 2015. This supplement documents the NRC staff's review of the environmental issues at Byron Station, Units 1 and 2 regarding the Exelon Generation Company, LLC application for license renewal of that facility. The supplement was prepared in accordance with 10 CFR 51.71. This supplemental environmental impact statement includes the NRC staff's analysis that considers and weighs the environmental effects of the proposed action (license renewal) and the environmental impacts of alternatives to the proposed action. It also includes the NRC staff's recommendation regarding the proposed action.
NUREG-1437, "Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding Braidwood Station, Units 1 and 2, (NUREG-1437, Supplement 55) Final Report," was published in November 2015. This supplement documents the NRC staff's review of the environmental issues at Braidwood Station, Units 1 and 2, regarding the Exelon Generation Company, LLC application for license renewal of that facility. The supplement was prepared in accordance with 10 CFR 51.71. This supplemental environmental impact statement includes the NRC staff's analysis that considers and weighs the environmental effects of the proposed action (license renewal) and the environmental impacts of alternatives to the proposed action. It also includes the NRC staff's recommendation regarding the proposed action.

Public Involvement
The public was encouraged to participate in the reactor license renewal process through public meetings, and public comment periods on rules, renewal guidance, and other documents. The Reactor License Renewal Public Involvement page provides general information to help the public participate.
This page includes links to files in non-HTML format. See Plugins, Viewers, and Other Tools for more information.
Date |
Description |
04/21/2015 |
Meeting to discuss draft environmental impact statement for Braidwood Nuclear Station.
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02/03/2015 |
Meeting to discuss draft environmental impact statement for Byron Nuclear Station.
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08/21/2013 |
Meeting to discuss the license renewal process and environmental scoping for Braidwood Nuclear Station.
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08/20/2013 |
Meeting to discuss the license renewal process and environmental scoping for Byron Nuclear Station.
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