South System Expansion 4
PERMITTING DASHBOARD PROJECT POSTING DATE: NOVEMBER 05, 2025All dates below are specific to the schedule of the Environmental Review and Permitting processes for this project.
ENVIRONMENTAL REVIEW AND PERMITTING STATUS
IN PROGRESS
ESTIMATED COMPLETION DATE OF ENVIRONMENTAL REVIEW AND PERMITTING
12/07/2026
ENVIRONMENTAL REVIEW AND PERMITTING PROCESSES
COMPLETED
SECTOR
Pipelines
CATEGORY
Project Category
FAST-41 Covered Projects
LEAD AGENCY
Federal Energy Regulatory Commission
View FAST-41 Postings by Agencies
Other Agencies with Actions or Authorizations:
Department of the Army, US Army Corps of Engineers - Regulatory
Department of the Interior, Fish and Wildlife Service
Department of the Interior, National Park Service
Description:
The proposed project would include 14 new pipeline loops, modifications and new compression at 12 existing Southern Natural Gas compressor stations in Mississippi, Alabama, and Georgia, and additional compression at Elba Express’s Jefferson and Rincon Compressor Stations in Georgia. The proposed project would also include constructing and upgrading multiple meter stations and the abandonment and replacement of nine aging compressor units and approximately 2.2 miles of lateral pipeline in Clarke County, Mississippi. The proposed project would provide 1.323 billion cubic feet per day of incremental firm natural gas transportation capacity for markets in the Southeast.
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Permitting Timetable
The permitting timetable below displays data as reported by agencies. Dates for Environmental Review and Permitting processes (Actions) that are in 'Paused' or 'Planned' status are subject to change and are not indicative of a project's final schedule.
- For information about extensions, select an Action from the timetable below and select 'View Action Details' at the bottom of the page.
Action Information
For additional information, please select an Action from the Permitting Timetable above.
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- Action Outcome:
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