TSP Name: Northwest Pipeline LLC TSP: 67977322
Critical: Y
Notice Stat Desc: SUPERSEDE
Notice Type Desc: CURTAILMENT
Post D/T: 09/17/2025 3:30 PM MCT
Notice Eff D/T: 09/17/2025 3:30 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-152
Prior Notice: 25-145
Subject: Caldwell Compressor Station Deficiency Period
Notice Text:
As indicated in All Shippers Notice #25-145, Northwest is
currently performing DOT Hydro Tests though the Caldwell
compressor station August 26, 2025 through September 19, 2025.
Primary southbound nomination requests at the Caldwell CS have
exceeded the available capacity of 329,000 Dth/d southbound (or
whatever Northwest cannot mitigate). Therefore, pursuant to
Sections 10.2 and 10.3 of Rate Schedule TF-1 in Northwest's
Tariff, Northwest hereby gives notice of a Deficiency Period
for Gas Day September 18, 2025. The Deficiency will be
calculated based on a design capacity of 475,000 Dth/d
southbound. The Deficiency Period will continue until the work
is completed. Northwest will post on its EBB if unable to
mitigate volumes each day until the work is 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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