Kosciusko Junction Pipeline Project is a natural gas pipeline expansion project by Gulf South Pipeline Company, LLC ; Texas Gas Transmission. LLC in MS. It is under construction. Stated capacity is 1.18 Bcf/d. In-service timing is stated as September 2028. FERC dockets CP25-547, CP25-549. Sources: FERC filings, the sponsor's public material and EIA's pipeline project tracker. Last verified by Enercast on Nov 10, 2026.
| Status | Under construction | FERC, dated Nov 6, 2026 |
|---|---|---|
| Capacity | 1.18 Bcf/d stated | EIA, dated Jul 24, 2026 |
| In-service timing | September 2028 company-stated | Company, read Nov 11, 2026 |
| Operator | Gulf South Pipeline Company, LLC ; Texas Gas Transmission. LLC | EIA, dated Jul 24, 2026 |
| Project type | Expansion | EIA, dated Jul 24, 2026 |
| States | MS | EIA, dated Jul 24, 2026 |
| Length | 112 miles | EIA, dated Jul 24, 2026 |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Jul 24, 2026 |
| FERC docket | CP25-547, CP25-549 | EIA, dated Jul 24, 2026 |
| Demand served | Electric | EIA, dated Jul 24, 2026 |
| Last verified | Nov 10, 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
- FERC approval stated
- Construction authorized stated
Change log
| Recorded | Field | Change | Source |
|---|---|---|---|
| Nov 11, 2026 | Stated in-service | 2029 → September 2028 | Company, read Nov 11, 2026 |
| Nov 10, 2026 | Status | Approved → Under construction | FERC, dated Nov 6, 2026 |
“Recorded” is the day Enercast approved the change, not the day it happened.
Sources
- FERC: FERC Approved Major Pipeline Projects (as of 09/24/2026): CP25-547
- FERC: FERC eLibrary 20261106-3014 (CP25-547): Order/Opinion / Delegated Order
- Company: Boardwalk: Kosciusko Junction project page“Partial In-Service: As early as April 2028 Full In-Service: September 2028”
- EIA: EIA Natural Gas Pipeline Projects, release 2026-11-04: Kosciusko Junction Pipeline Project