TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 09/26/2025 9:51 AM MCT
Notice Eff D/T: 09/26/2025 9:51 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-173
Prior Notice:
Subject: Washougal Unit 2 Engine Exchange - Maintenance Reminder
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest is performing maintenance at the following
locations:
- Washougal CS beginning gas day September 29, 2025,
through gas day October 03, 2025.
The Washougal North Constraint will be limited to 509,000 Dth/d
southbound.
If primary nomination requests through the Washougal North
Constraint exceeds the available capacity of 509,000 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
521,000 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.