Tennessee Valley Authority; Watts Bar Nuclear Plant, Units 1 and 2; Environmental Assessment and Finding of No Significant Impact

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Nuclear Regulatory Commission [Docket Nos. 50-390 and 50-391; NRC-2024-0035] AGENCY: Nuclear Regulatory Commission. ACTION: Notice; issuance. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) is considering issuance of amendments to Facility Operating License Nos. NPF-90 and NPF-96, issued on February 7, 1996, and October 22, 2015, respectively, and held by Tennessee Valley Authority (TVA, the licensee) for the operation of Watts Bar Nuclear Plant (Watts Bar), Units 1 and 2. The proposed amendments would revise the Watts Bar, Units 1 and 2, Technical Specification (TS) 4.2.1, “Fuel Assemblies,” and TS 5.9.6, “Reactor Coolant System (RCS) Pressure and Temperature Limits Report (PTLR),” to increase the maximum number of tritium producing burnable absorber rods (TPBARs) and to add supporting methodologies. The proposed amendments would also revise the Watts Bar Dual-Unit Updated Final Safety Analysis Report to modify the source term for design basis accident analyses. The NRC is issuing an environmental assessment (EA) and finding of no significant impact (FONSI) associated with the proposed amendments. DATES: The EA and FONSI referenced in this document are available on February 23, 2024. ADDRESSES: Please refer to Docket ID NRC-2024-0035 when contacting the NRC about the availability of information regarding this document. You may obtain publicly available information related to this document using any of the following methods: Federal Rulemaking we…