Maintenance Construction Schedule - MountainWest Overthrust Pipeline

2026 Schedule

Period Category Preliminary Dates Duration Location Project Possible Customer Impact Current Capacity (Dth/d) Restricted Capacity (Dth/d) Anticipated Firm Cut Quantity Anticipated Total Nomination Cut %
August Compressor Maintenance August 11 -14 4 Days Rock Springs Compressor Station Station ESD Testing All Compression Offline Capacity constraints at ML 122 Rendezvous, Whitney Canyon Constraint, MAP 10005 Kanda/Col, and MAP 10013 WIC RS Kanda/Coleman Segment: 410,000 Dth/d ML 122 Rendezvous: 1,151,000 Dth/d Whitney Canyon Constraint: 291,000 Dth/d MAP 10005 Kanda/Col: 173,667 Dth/d MAP 10013 WIC RS: 347,333 Dth/d TBD TBD

Note: This schedule is subject to change. It is recommended the Shippers monitor MountainWest Pipeline's critical notices about schedule revisions.