Guardian Pipeline Project is a natural gas pipeline expansion project by DT Midstream in WI, IL. It has an application pending and is not yet approved. Stated capacity is 0.537 Bcf/d. In-service timing is stated as November 2028. FERC docket CP26-548. Sources: the sponsor's public material and EIA's pipeline project tracker. Last verified by Enercast on Nov 10, 2026.
| Status | Applied | EIA, dated Sep 24, 2026 |
|---|---|---|
| Capacity | 0.537 Bcf/d stated | EIA, dated Sep 24, 2026 |
| In-service timing | November 2028 company-stated | Company, read Nov 11, 2026 |
| Operator | DT Midstream | EIA, dated Sep 24, 2026 |
| Project type | Expansion | EIA, dated Sep 24, 2026 |
| States | WI, IL | EIA, dated Sep 24, 2026 |
| Length | 68 miles | EIA, dated Sep 24, 2026 |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Sep 24, 2026 |
| FERC docket | CP26-548 | EIA, dated Sep 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
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 | 2028 → November 2028 | Company, read Nov 11, 2026 |
“Recorded” is the day Enercast approved the change, not the day it happened.
Sources
- Company: DT Midstream: Guardian G3 Expansion project page“The Project will add approximately 537,000 Dth/d of new, firm transportation capacity, targeted for a November 2028 in-service date, pending regulatory approvals.”
- EIA: EIA Natural Gas Pipeline Projects, release 2026-11-04: Guardian Pipeline Project