Southeast Supply Header, LLC; Notice of Application and Establishing Intervention Deadline

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. Department of Energy Federal Energy Regulatory Commission [Docket No. CP26-543-000] Take notice that on June 15, 2026, Southeast Supply Header, LLC (SESH), 915 N. Eldridge Parkway, Suite 1100, Houston, Texas 77079, filed an application pursuant to sections 7(b) and 7(c) of the Natural Gas Act and Part 157 of the Commission's regulations requesting authorization for its Tupelo Trail Project in George and Jefferson Davis Counties, Mississippi, and Richland Parish, Louisiana (Project). The Project consists of installing a new 23,470 horsepower Titan 130 turbine driven compressor unit and related appurtenances at the existing Lucedale Compressor Station; replacing the compressor on an existing compressor unit at the Lucedale Compressor Station; replacing the existing engine on Compressor Unit 2 at the Gwinville Compressor Station; uprating compressor engines at the Delhi, Gwinville, and Lucedale Compressor Stations by removing software controls that limit horsepower; and performing associated appurtenant activities. The Project will increase the design capacity on the SESH system by 110,000 dekatherms per day to serve the electric generation Plant Daniel in Jackson County, Mississippi, under a fully subscribed precedent agreement with Southern Company Services, Inc. SESH estimates the total cost of the Project to be $87,599,997 and proposes a rolled-in rate treatment for project costs and an incremental fuel rate for the firm service created by the Project, all as more fully set …