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Sequoyah Nuclear Plant Units 1 and 2 License Renewals

Hamilton County, Tennessee

The operating licenses for Sequoyah Nuclear Plant (SQN) will expire in 2020 (Unit 1) and 2021 (Unit 2) if the licenses are not renewed.TVA has decided to submit a license renewal application to the United States Nuclear Regulatory Commission (NRC) to extend the operating licenses of the two units for an additional 20 years.  Continued operation of SQN would help TVA respond to identified needs for power generation within the TVA power service area.

In June 2011, TVA issued a final supplemental environmental impact statement (SEIS) that addresses the impacts of renewing SQN operating licenses.  The SEIS supplements the original Final Environmental Statement, Sequoyah Nuclear Plant Units 1 and 2 that TVA prepared in 1974 to evaluate the impacts of constructing and operating SQN.  The 1974 final environmental statement and other related documents are available below under Key Related Documents.

On August 18, 2011, the TVA Board of Directors decided to proceed with an application to the NRC to extend the operation of SQN Units 1 and 2, implementing the Preferred Alternative (Alternative 1 – SQN Units 1 and 2 License Renewal – Action Alternative) identified in the final SEIS. 

TVA has prepared a record of decision (PDF, 148 kb).


The license renewal process requires both a technical review of safety issues and an environmental review.  The technical review must demonstrate that the passive and long-lived systems, structures, and components will be adequately managed during the plant’s extended operation.  To comply with the National Environmental Policy Act (NEPA), environmental reviews will be performed both by TVA and by the NRC, which will examine the impacts of issuing renewed licenses.  In addition to the SEIS, TVA will develop an environmental report based upon NRC requirements to support the NRC’s NEPA review. 

Final Supplemental Environmental Impact Statement

The final SEIS is available in Portable Document Format (PDF) at the links below.  To receive the document on a compact disc (CD) or to receive a printed copy, please contact Ms. Henry at the address, phone number, or link below under Contacts.

Complete Final Supplemental Environmental Impact Statement, Sequoyah Nuclear Plant Units 1 and 2 License Renewal (PDF, 16 mb)

Cover, Abstract, and Summary (PDF, 496 kb)

Table of Contents (PDF, 169 kb)

Chapter 1 – Purpose of and Need for Proposed Action (PDF, 1.3 mb)

Chapter 2 – Alternatives Including the Proposed Action (PDF, 484 kb)

Chapter 3 – Affected Environment and Environmental Consequences (PDF, 3.2 mb)

Chapter 4 – Other Effects (PDF, 194 kb)

Chapter 5 – Permits and Approvals (PDF, 133 kb)

Chapter 6 – List of Preparers (PDF, 126 kb)

Chapter 7 – List of Agencies and Organizations Notified of SEIS Availability (PDF, 113 kb)

Chapter 8 – Literature Cited (PDF, 170 kb)

Glossary and Index (PDF, 182 kb)

Appendix A – Announcements, Notices, and News Releases (PDF, 241 kb)

Appendix B – Scoping Report (PDF, 474 kb)

Appendix C – Agency Consultation and Other Correspondence (PDF, 503 kb)

Appendix D – Responses to Agency and Public Comments (PDF, 8.4 mb)

Appendix E – Population Projections, Hamilton County, Tennessee (PDF, 247 kb)

Appendix F – Meteorological Data Summaries (PDF, 1.5 mb)

Key Related Documents

Portions of the Sequoyah Nuclear Plant Updated Final Safety Analysis Report, Amendment 21, 2008

Portions of Section 2 (PDF, 13 mb)

Section 10 (PDF, 5.2 mb)

Section 15 (PDF, 7 mb)


Final Environmental Statement, Sequoyah Nuclear Plant Units 1 and 2
TVA, February 1974
   (PDF, 78.6 mb)

Cover, Summary, Table of Contents, Preface (PDF, 1.8 mb)

Chapter 1 (PDF, 5 mb)

Chapters 2 and 3 (PDF, 13 mb)

Chapters 4 through 9 (PDF, 7 mb)

Appendices (PDF 6 mb)


Final Integrated Resource Plan and Programmatic Environmental Impact Statement
TVA, March 2011


Final Environmental Impact Statement for the Production of Tritium in a Commercial Light Water Reactor, United States Department of Energy (DOE), March 1999

DOE limits access to this environmental impact statement. To request a copy, please contact Denise Freeman by e-mail at or by leaving a message on DOE's toll-free information line at (800) 472-2756.


Record of Decision and Adoption of the Department of Energy Final Environmental Impact Statement for the Production of Tritium in a Commercial Light Water Reactor
TVA, May 2000

Generic Environmental Impact Statement for License Renewal of Nuclear Plants (NUREG-1437)
NRC,  May 1996

Public Involvement

TVA issued a draft SEIS for SQN Units 1 and 2 License Renewal on November 5, 2010.  Comments on the draft SEIS were accepted from November 5 through December 22, 2010.  An open house meeting for the public was held on December 2, 2010, at the SQN Training Center.  Comments were received from nine agencies and individuals.  Responses to these comments are included in Appendix D.


For additional information or to request a CD or printed copy of the final SEIS, contact:

Amy B. Henry
NEPA Project Manager
Tennessee Valley Authority
400 West Summit Hill Drive, WT 11D
Knoxville, TN 37902
Phone: 865-632-4045; Fax:  865-632-3451

For general information on the project, contact:

Gary M. Adkins
SQN License Renewal Project Manager
Tennessee Valley Authority
1101 Market Street, LP 5A
Chattanooga, TN 37402
Phone:  423-751-4363


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