Safety Evaluation Report, Related to the License Renewal of LaSalle County Station, Units 1 and 2, Docket Nos. 50-373 and 50-374, Exelon Generation Company, LLC (NUREG-2205)

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Publication Information

Manuscript Completed: August 2016
Date Published: September 2016

Office of Nuclear Reactor Regulation
U.S. Nuclear Regulatory Commission
Washington, DC 20555-0001

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Abstract

This safety evaluation report (SER) documents the technical review of the LaSalle County Station, Units 1 and 2 (LSCS), license renewal application (LRA) by the United States (U.S.) Nuclear Regulatory Commission (NRC) staff (the staff). By letter dated December 9, 2014, Exelon Generation Company, LLC (Exelon or the applicant), submitted the LRA in accordance with Title 10 of the Code of Federal Regulations, (10 CFR) Part 54, "Requirements for Renewal of Operating Licenses for Nuclear Power Plants." Exelon requests renewal of the LSCS operating licenses (Operating License Nos. NPF-11 and NPF-18) for a period of 20 years beyond the current expiration at midnight on April 17, 2022, for Unit 1, and at midnight on December 16, 2023, for Unit 2.

LSCS is located approximately 55 direct-line miles southwest of Chicago, IL. The NRC issued the Unit 1 and Unit 2 construction permits (CPPR-99 and CPPR-100, respectively) on September 7, 1973, and the operating licenses on April 17, 1982, for Unit 1, and December 16, 1983, for Unit 2. Units 1 and 2 are of a boiling water reactor design. General Electric (Nuclear Energy Division) supplied the nuclear steam supply system and Sargent & Lundy originally designed and constructed the balance of the plant. Units 1 and 2 each have a licensed power output of 3,546 megawatts thermal, with a gross electrical output of approximately 1,207 megawatts electric.

Unless otherwise indicated, this SER presents the status of the staff's review of information submitted through June 8, 2016, the cutoff date for consideration in the SER. The two open items previously identified in the SER with open items, issued February 29, 2016, have been closed (see Section 1.5); therefore, no open items remain to be resolved before the final determination is reached by the staff on the LRA.