Northwest Pipeline LLC NOTICE #32671 2026 Maintenance Conference Call posted on Feb 27 2026 3:27PM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: N Notice Stat Desc: INITIATE Notice Type Desc: MAINTENANCE Post D/T: 02/27/2026 3:26 PM MCT Notice Eff D/T: 02/27/2026 3:26 PM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 26-029 Prior Notice: Subject: 2026 Maintenance Conference Call Notice Text:

Western Interstates (Northwest and MountainWest) will hold our annual maintenance

conference call on Tuesday, March 17, 2026, from 11:00 AM to 12:00 PM PT / 1:00 

PM to 2:00 PM CT. This meeting will be held as a “Teams” meeting this year and to

receive an invitation, please click the link below prior to March 17, 2026.

 

Western Interstates 2026 Maintenance Call Sign-Up – Fill out form

 

The 2026 maintenance schedule will be posted on Northwest and MountainWest’s 

portal prior to the meeting at www.northwest.williams.com and www.mwpipe.com.

The information on the schedule will represent best estimates given the information

currently available.

 

Please note, the estimated capacity reductions and project durations are dependent

on many variables and are subject to change. Western Interstates will update the

schedule as the projects progress and new information becomes available.

 

As a reminder, this meeting is for the limited purpose of pre-planning maintenance for

2026 to minimize service disruptions where possible. While this planning provides real

benefit to our customers, we need to be mindful of antitrust sensitivities, and

accordingly should:

 

minimize service disruptions,

as pricing or business plans, and

 

Please reference the Maintenance Schedule tab at www.northwest.williams.com and

www.mwpipe.com for more information.

 

If you have any questions, please call your Commercial Services Representative or

the hotline at 713-215-6301 (NWP) or 801-584-6034 (MWP).