Constellation Energy Generation, LLC; Clinton Power Station, Unit 1; Final Supplemental Environmental Impact Statement

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 No. 50-461; NRC-2024-0046] AGENCY: Nuclear Regulatory Commission. ACTION: Notice; issuance. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC) has published a final Supplemental Environmental Impact Statement (SEIS), issued as NUREG-1437, Supplement 63, “Generic Environmental Impact Statement for License Renewal of Nuclear Plants Regarding License Renewal for Clinton Power Station, Unit 1, Final Report.” This SEIS evaluates the environmental impacts of the license renewal of Facility Operating License No. NPF-62 for an additional 20 years of operation for Clinton Power Station, Unit 1 (CPS), as well as alternatives to license renewal. CPS is located in DeWitt County, approximately six miles east of the city of Clinton in east-central Illinois. Alternatives to the proposed action of license renewal for CPS include the no-action alternative and reasonable replacement power alternatives. DATES: NUREG-1437, Supplement 63 is available as of August 1, 2025. ADDRESSES: Please refer to Docket ID NRC-2024-0046 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 Website: Go to https://www.regulations.gov and search for Docket ID NRC-2024-0046. Address questions about Docket IDs in Regulations.gov to Bridget Curran; telephone: 301-415-1003; email: Bridget.Curran@nrc.gov . For …