Nuclear Regulatory Commission
The U.S. Nuclear Regulatory Commission (NRC, the Commission) is considering issuance of an amendment to Renewed Facility Operating License No. NPF-76, issued to STP Nuclear Operating Company (STPNOC); Constellation South Texas, LLC; City Public Service Board of San Antonio; and City of Austin, Texas, for operation of South Texas Project, Unit 1 (STP). The proposed license amendment would, if granted, make a one-time exigent change to the technical specifications (TS) to extend the allowed outage time (AOT) for TS 3.7.1.7, "Main Feedwater System". This proposed amendment is being requested to facilitate repairs to the Unit 1 train D main feedwater isolation valve (MFIV). This proposed amendment is being requested under exigent circumstances pursuant to NRC regulations.
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. 50-498; NRC-2026-4192] AGENCY: Nuclear Regulatory Commission. ACTION: Opportunity to comment, request a hearing, and petition for leave to intervene. SUMMARY: The U.S. Nuclear Regulatory Commission (NRC, the Commission) is considering issuance of an amendment to Renewed Facility Operating License No. NPF-76, issued to STP Nuclear Operating Company (STPNOC); Constellation South Texas, LLC; City Public Service Board of San Antonio; and City of Austin, Texas, for operation of South Texas Project, Unit 1 (STP). The proposed license amendment would, if granted, make a one-time exigent change to the technical specifications (TS) to extend the allowed outage time (AOT) for TS 3.7.1.7, “Main Feedwater System”. This proposed amendment is being requested to facilitate repairs to the Unit 1 train D main feedwater isolation valve (MFIV). This proposed amendment is being requested under exigent circumstances pursuant to NRC regulations. DATES: Submit comments by September 9, 2026. Comments received after this date will be considered if it is practical to do so, but the Commission is able to ensure consideration only for comments received before this date. Requests for a hearing or petitions for leave to intervene must be filed by October 26, 2026. ADDRESSES: You may submit comments by any of the following methods; however, the NRC encourages electronic comment submission through the Federal rulemaking website. Federal rulemaking websit…
Other Federal Register documents from the same docket.
In the Matter of STP Nuclear Operating Company; South Texas Project, Units 1 and 2 and the Associated Independent Spent Fuel Storage Installation; Second Extension of Direct Transfer of License
In the Matter of STP Nuclear Operating Company; South Texas Project, Units 1 and 2 and the Associated Independent Spent Fuel Storage Installation; Direct Transfer of License
STP Nuclear Operating Company; South Texas Project, Units 1 and 2, and the Associated Independent Spent Fuel Storage Installation; Consideration of Approval of Direct Transfer of Licenses
In the Matter of STP Nuclear Operating Company and NRG South Texas LP; South Texas Project, Units 1 and 2 and the Associated Independent Spent Fuel Storage Installation
STP Nuclear Operating Company; South Texas Project, Units 1 and 2, and the Associated Independent Spent Fuel Storage Installation; Consideration of Approval of Indirect Transfer of Licenses and Conforming Amendments
Citation: 91 FR 55125
