TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 09/11/2026 10:24 AM MCT
Notice Eff D/T: 09/11/2026 10:24 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 26-179
Prior Notice:
Subject: Oregon City ESD & Goldendale ESD - Maintenance Reminder
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest will be performing maintenance at the
following locations next week:
- Oregon City Compressor: located at MP 21.06 in
Clackamas County, Oregon beginning gas day September 14,
2026, through gas day September 16, 2026.
- Goldendale CS: located at MP 1134.03 in Klickitat County,
Washington beginning gas day September 14, 2026, through
gas day September 18, 2026.
The Oregon City Compressor will be limited to 239,000 Dth/d
southbound for the duration of the outage.
If primary nomination requests through the Oregon City
Compressor exceeds the available capacity of 239,000 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
250,000 Dth/d southbound. The deficiency period will continue
until the work has been completed.
The Goldendale CS will be limited to 375,000 Dth/d northbound
and 399,000 Dth/d southbound for the duration of the outage.
If primary nomination requests through the Goldendale CS
exceeds the available capacity of 375,000 Dth/d northbound or
399,000 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 543,000 Dth/d northbound or 417,000 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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