South Mississippi Project is a new natural gas pipeline project by Energy Transfer Interstate Holdings, LLC in LA, MS. It is approved but not yet under construction. Stated capacity is 1.2 Bcf/d. In-service timing is listed by EIA as 2030. Sources: trade press and EIA's pipeline project tracker. Last verified by Enercast on Nov 11, 2026.
| Status | Approved | Trade press, dated Nov 10, 2026 |
|---|---|---|
| Capacity | 1.2 Bcf/d stated | Trade press, dated Nov 10, 2026 |
| In-service timing | 2030 EIA-listed year | EIA, dated Oct 28, 2026 |
| Operator | Energy Transfer Interstate Holdings, LLC | EIA, dated Oct 28, 2026 |
| Project type | New Pipeline | EIA, dated Oct 28, 2026 |
| States | LA, MS | EIA, dated Oct 28, 2026 |
| Length | 215 miles | EIA, dated Oct 28, 2026 |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Oct 28, 2026 |
| Last verified | Nov 11, 2026 | all sources fetched |
Capacity and in-service timing are what the source states. None is measured or forecast by Enercast. How to read this page.
Milestones
No dated milestones recorded yet. They are added as FERC orders, construction authorizations and in-service notices appear.
Change log
No changes since this project was first listed on Nov 10, 2026.
Sources
- Trade press: Step 1 capacity lookup (2026-11-09)“Capacity 1.2 Bcf/d per Oil & Gas Journal, 2026-11-03 (not in EIA). Energy Transfer announced FID with Q3 2026 results, so Approved, not Announced. Company-stated in service 2030.”
- EIA: EIA Natural Gas Pipeline Projects, release 2026-11-04: South Mississippi Project