TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 09/22/2025 7:42 AM MCT
Notice Eff D/T: 09/22/2025 7:42 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-162
Prior Notice:
Subject: Meacham Inspections and Boise Hydro Test Maintenance Reminder
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest is performing maintenance at the following
locations:
- Meacham CS beginning gas day September 24, 2025,
through gas day September 26, 2025.
- Boise CS beginning gas day September 23, 2025, through
- gas day October 27, 2025.
- Caldwell CS beginning gas day September 23, 2025, through
gas day October 27, 2025.
The Meacham CS will be limited to 419,000 Dth/d northbound and
477,000 Dth/d southbound during the outage.
If primary nomination requests through the Meacham CS
exceeds the available capacity of 419,000 Dth/d northbound or
477,000 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 445,000 Dth/d northbound and 500,000 Dth/d
southbound. The deficiency period will continue until the work
has been completed.
The Boise CS will be limited to 424,000 Dth/d northbound for
the duration of the outage.
If primary nomination requests through the Boise CS exceeds the
available capacity of 424,000 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 499,000 Dth/d northbound.
The deficiency period will continue until the work has been
completed.
The Caldwell CS will be limited to 358,000 Dth/d southbound for
the duration of the outage.
If primary nomination requests through the Caldwell CS exceeds
the available capacity of 358,000 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 475,000 Dth/d
southbound. The deficiency period will continue until the work
has been completed.
Please reference the Maintenance Schedule tab at
www.northwest.williams.comfor more information.
If you have any questions, please call your Commercial Services
Representative or the hotline at 713-215-6301.