TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 10/01/2026 7:55 AM MCT
Notice Eff D/T: 10/01/2026 7:55 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 26-204
Prior Notice:
Subject: Sumner Cyclone Filter Removal, Eugene ESD & I/O, Vernal Daggit Outage - Maint. R
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest will be performing maintenance at the
following locations next week:
- Sumner Compressor: located at MP 1351.64 in Pierce
County, Washington beginning gas day October 05, 2026,
through gas day October 07, 2026.
- Eugene CS: located at MP 10.04 in Lane County, Oregon
beginning gas day October 05, 2026, through gas day
October 09, 2026.
- Vernal CS: located at MP 330.25 in Uintah County, Utah
beginning gas day October 08, 2026, through gas day
October 19, 2026.
The Sumner Compressor will be limited to 872,000 Dth/d
southbound for the duration of the outage.
If primary nomination requests through the Sumner Compressor
exceeds the available capacity of 872,000 Dth/d southbound (or
whatever NWP cannot mitigate during any day of the
maintenance), pursuant to Sections 10.2 and 10.3 of Rate
Schedule TF-1 in Northwest's Tariff, Northwest will give notice
of a Declared Deficiency Period based on a design capacity of
1,033,000 Dth/d southbound. The deficiency period will continue
until the work has been completed.
The Eugene CS will be limited to 41,000 Dth/d southbound for
the duration of the outage.
If primary nomination requests through the Eugene CS exceeds
the available capacity of 41,000 Dth/d southbound (or whatever
NWP cannot mitigate during any day of the maintenance),
pursuant to Sections 10.2 and 10.3 of Rate Schedule TF-1 in
Northwest's Tariff, Northwest will give notice of a Declared
Deficiency Period based on a design capacity of 49,000 Dth/d
southbound. The deficiency period will continue until the work
has been completed.
The Vernal CS will be limited to net 0 Dth/d northbound and net
0 Dth/d southbound for the duration of the outage.
If primary nomination requests through the Vernal CS exceeds
the available capacity of net 0 Dth/d northbound or net 0 Dth/d
southbound (or whatever NWP cannot mitigate during any day of
the maintenance), pursuant to Sections 10.2 and 10.3 of Rate
Schedule TF-1 in Northwest's Tariff, Northwest will give notice
of a Declared Deficiency Period based on a design capacity of
353,000 Dth/d northbound or 324,000 Dth/d southbound. The
deficiency period will continue until the work has been
completed.
Please reference the Maintenance Schedule tab at
www.northwest.williams.com for more information.
If you have any questions, please call your Commercial Services
Representative or the hotline at 713-215-6301.
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