ROCK SPRINGS COMPRESSOR STATION COMMISSIONING UPDATE

MountainWest Overthrust Pipeline, LLC (MWOP) has updated the maintenance posting for Rock Springs Compressor Station. Please review all entries for upcoming work here:
MountainWest Overthrust Pipeline (MWOP): www.mwpipe.com/MaintConstructionSchedule/MWOP

The Rock Springs Compressor Station commissioning for the Overthrust Westbound Compression Expansion project, originally scheduled for November 6–8, 2025, is now scheduled to begin Timely cycle GD November 11, 2025, through Cycle ID3, GD November 13, 2025. During the commissioning, the following capacities will be in effect:

•?ML122 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

Nominations will return to normal Timely Cycle, GD November 14, 2025.

If you have any questions, please contact your MWP Marketing or Contract Services Representative or Scheduling on the Customer Service Hotline at 801-584-6034.