TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 03/31/2025 1:56 PM MCT
Notice Eff D/T: 03/31/2025 1:56 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-045
Prior Notice:
Subject: Unplanned Plymouth CS Outage, Calwell CS Unit 2, and Willard ESD - Maintenance R
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest is performing maintenance at the Plymouth CS
(new and unplanned outage) beginning Gas Day April 01, 2025,
through Gas Day April 25, 2025, Caldwell CS beginning Gas Day
April 02, 2025, through Gas Day April 03, 2025, and Willard CS
beginning Gas Day April 02, 2025, through April 04, 2025.
The cut point for the unplanned Plymouth CS outage will be the
Plymouth South Constraint Point which will be limited to
563,000 Dth/d northbound and 342,000 Dth/d southbound for the
duration of the outage.
The cut point for the Caldwell Unit 2 outage will be the
Caldwell CS which will be limited to 438,000 Dth/d northbound
and 439,000 Dth/d southbound for the duration of the outage.
The cut point for the Willard CS ESD Test will be the Willard
CS which will be limited to 380,000 Dth/d northbound
and 383,000 Dth/d southbound for the duration of the outage.
If primary nomination requests through the Plymouth South
Constraint exceeds the available capacity of 563,000 Dth/d
northbound or 342,000 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 575,000 Dth/d northbound
or 384,000 Dth/d southbound. The deficiency period will
continue until the work is completed on Gas Day April 25, 2025.
If primary nomination requests through the Caldwell CS exceeds
the available capacity of 438,000 Dth/d northbound or 439,000
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 452,000 Dth/d northbound or 475,000 Dth/d
southbound. The deficiency period will continue until the work
is completed on Gas Day April 03, 2025.
If primary nomination requests through the Willard CS exceeds
the available capacity of 380,000 Dth/d northbound or 383,000
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 540,000 Dth/d northbound or 431,000 Dth/d
southbound. The deficiency period will continue until the work
is completed on Gas Day April 04, 2025.
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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