Westbound Compression Expansion Project is a natural gas pipeline project by Williams (MountainWest Overthrust) in WY. It is in service. Stated capacity is 0.325 Bcf/d. It entered service on Dec 1, 2025. FERC docket CP24-13. Source: EIA's pipeline project tracker. Last verified by Enercast on Nov 11, 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 | In service | EIA, dated Nov 4, 2026 |
|---|---|---|
| Capacity | 0.325 Bcf/d stated | EIA, dated Nov 4, 2026 |
| In-service timing | In service Dec 1, 2025 | EIA, dated Nov 4, 2026 |
| Operator | Williams (MountainWest Overthrust) | EIA, dated Nov 4, 2026 |
| Project type | — | — |
| States | WY | EIA, dated Nov 4, 2026 |
| Length | — | — |
| Jurisdiction | Interstate (FERC-regulated) · FERC | EIA, dated Nov 4, 2026 |
| FERC docket | CP24-13 | EIA, dated Nov 4, 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
- In service stated
Change log
No changes since this project was first listed on Nov 10, 2026.