Southeast Supply Enhancement Project is a natural gas pipeline expansion project by Transcontinental Gas Pipeline in VA, NC, SC, GA, AL. It is under construction. Stated capacity is 1.6 Bcf/d. In-service timing is stated as 3Q 2027. FERC docket CP25-10. Sources: the sponsor's public material and EIA's pipeline project tracker. Last verified by Enercast on Nov 10, 2026.
| Status | Under construction | EIA, dated Apr 27, 2026 |
|---|---|---|
| Capacity | 1.6 Bcf/d stated | EIA, dated Apr 27, 2026 |
| In-service timing | 3Q 2027 company-stated | Company, read Nov 11, 2026 |
| Operator | Transcontinental Gas Pipeline | EIA, dated Apr 27, 2026 |
| Project type | Expansion | EIA, dated Apr 27, 2026 |
| States | VA, NC, SC, GA, AL | EIA, dated Apr 27, 2026 |
| Length | 55.3 miles | EIA, dated Apr 27, 2026 |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Apr 27, 2026 |
| FERC docket | CP25-10 | EIA, dated Apr 27, 2026 |
| Demand served | LDC, electric, industrial | EIA, dated Apr 27, 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
No dated milestones recorded yet. They are added as FERC orders, construction authorizations and in-service notices appear.
Change log
| Recorded | Field | Change | Source |
|---|---|---|---|
| Nov 11, 2026 | Stated in-service | 2027 → 3Q 2027 | Company, read Nov 11, 2026 |
“Recorded” is the day Enercast approved the change, not the day it happened.
Sources
- Company: Williams: Southeast Supply Enhancement project page“3Q 2027 Target In-Service Date”
- EIA: EIA Natural Gas Pipeline Projects, release 2026-11-04: Southeast Supply Enhancement Project