Seabrook Station, Unit 1 – License Renewal Application

Renewed License Issued on 12/06/2018

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Application Information:

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License Renewal Review Schedule*

Milestones Schedule Date Actual Date
Receive license renewal application (LRA) 06/01/10 06/01/10
Publish Federal Register Notice (FRN) – LRA availability 06/14/10 06/16/10
Publish FRN – acceptance/rejection and opportunity for hearing 07/23/10 07/21/10
Publish FRN – intent to conduct environmental scoping 07/23/10 07/10/10
Public Meeting – License Renewal Overview and Environmental Scoping meeting 08/19/10 08/19/10
Deadline for filing hearing requests and petitions for intervention 09/20/10* 10/20/10
Environmental scoping period ends 09/21/10 09/21/10
Audit – Environmental 10/04/10 10/05/10
Issue draft supplemental environmental impact statement (SEIS) 08/2011 08/01/11
Publish FRN – draft SEIS available for comments 08/2011 08/12/11
Public Meeting – draft SEIS meeting 09/2011 09/15/11
End of draft SEIS comment period 11/2011 10/26/11
Issue safety evaluation report (SER) with open items 06/2012 06/08/12
Advisory Committee on Reactor Safeguards (ACRS) Subcommittee meeting 07/2012 07/10/12
Issue draft supplement to the Seabrook Station (Seabrook) draft SEIS 04/2013 04/22/13
Publish FRN – draft supplement to the Seabrook draft SEIS available for comments. 04/2013 05/03/13
End of comment period on the draft supplement to the Seabrook draft SEIS 06/2013 06/30/13
Issue Final SEIS 07/2015  07/29/15
Proposed Second ACRS Subcommittee Meeting 10/31/18**


Issue final SER 09/28/18  09/28/18
ACRS full committee meeting 12/06/18** 12/06/18 
Decision – Director, Office of Nuclear Reactor Regulation



* Extended to 10/20/10 for the State of New Hampshire, Beyond Nuclear, Friends of the Coast, the New England Coalition, the Seacoast Anti-Pollution League, and the New Hampshire Sierra Club per Order of the Secretary of the Commission.

* *The 10/31/18 ACRS Subcommittee meeting discussed the staff's resolution of the SER open item related to the management of aging of structures affected by the alkali-silica reaction identified in the staff's SER with open items issued on 06/08/12. The 11/15/18 ACRS Subcommittee meeting discussed the staff's resolution of the remaining SER open items identified in the staff's SER with open items issued on 06/08/12. The ACRS Full Committee met on December 6, 2018 to review the Seabrook license renewal review and by letter dated December 19, 2018 (Agencywide Document Access and Management System (ADAMS) Accession No. ML18353A954), the ACRS recommended issuance of the renewed license.

Note: The Seabrook Station review schedule was revised as described in the letters below:

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Safety Evaluation Report

The NRC staff reviewed the Seabrook Station 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 June 8, 2012, as "Safety Evaluation Report with Open Items Related to the License Renewal of Seabrook Station." Since that time, the staff has closed the open items and has issued the final "Safety Evaluation Report re License Renewal of Seabrook Station Unit 1," to document its findings associated with the safety.

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Environmental Impact Statement

NUREG-1437, "Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding Seabrook Station (NUREG-1437, Supplement 46) Final Report," was published in July 2015. This supplement documents the NRC staff's review of the environmental issues at Seabrook Station regarding the NextEra Energy Seabrook, LLC application for license renewal of that facility. The supplement was prepared in accordance with 10 CFR 51.71. The supplemental environmental impact statement includes the NRC staff's analysis that considers and weighs the environmental effects of the proposed action (license renewal), the environmental impacts of alternatives to the proposed action, and potential mitigative measures for reducing or avoiding adverse impacts. It also includes the NRC staff's recommendation regarding the proposed action.

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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.

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Date Description

Meeting to discuss the preliminary results of the environmental review for Seabrook Station.


Meeting to discuss the license renewal process and environmental scoping for Seabrook Station.

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Page Last Reviewed/Updated Monday, June 14, 2021