TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 05/28/2026 11:00 AM MCT
Notice Eff D/T: 05/28/2026 11:00 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 26-116
Prior Notice:
Subject: Kemmerer ESD & Baker 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:
- Kemmerer CS: located at MP 462.37 in Lincoln County, Wyoming on gas day June 01, 2026. - Baker CS: located at MP 948.95 in Baker County, Oregon beginning gas day June 02, 2026, through gas day June 04, 2026.
The Kemmerer CS will be limited to 612,000 Dth/d northbound for the duration of the outage.
If primary nomination requests through the Kemmerer CS exceeds the available capacity of 612,000 Dth/d northbound (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 772,000 Dth/d northbound. The deficiency period will continue until the work has been completed.
The Baker CS will be limited to 357,000 Dth/d northbound and 463,000 Dth/d southbound for the duration of the outage.
If primary nomination requests through the Baker CS exceeds the available capacity of 357,000 Dth/d northbound or 463,000 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 446,000 Dth/d northbound or 491,000 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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