Central Mainline Corridor Expansion is a natural gas pipeline expansion project by Northern Natural Gas Co. in NE, IA. It has an application pending and is not yet approved. Stated capacity is 0.535 Bcf/d. In-service timing is listed by EIA as 2027. FERC docket CP26-241. Source: EIA's pipeline project tracker. Last verified by Enercast on Nov 10, 2026.
EIA only. So far the only source for this project is EIA’s pipeline project tracker, which lists a year, not a date, and can lag. Nothing here has yet been checked against a FERC filing or the sponsor.
| Status | Applied | EIA, dated Jul 6, 2026 |
|---|---|---|
| Capacity | 0.535 Bcf/d stated | EIA, dated Jul 6, 2026 |
| In-service timing | 2027 EIA-listed year | EIA, dated Jul 6, 2026 |
| Operator | Northern Natural Gas Co. | EIA, dated Jul 6, 2026 |
| Project type | Expansion | EIA, dated Jul 6, 2026 |
| States | NE, IA | EIA, dated Jul 6, 2026 |
| Length | 25 miles | EIA, dated Jul 6, 2026 |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Jul 6, 2026 |
| FERC docket | CP26-241 | EIA, dated Jul 6, 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
No changes since this project was first listed on Nov 10, 2026.