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Critical: Y
Notice Stat Desc: SUPERSEDE
Notice Type Desc: MAINTENANCE
Post D/T: 10/27/2025 7:38 AM MCT
Notice Eff D/T: 10/27/2025 7:38 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-200
Prior Notice: 25-198
Subject: Sumner ESD Rescheduled
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
Website and referenced in Notice ID 25-198, Northwest was
scheduled to perform the Sumner ESD on gas day October 28,
2025, which will now be rescheduled to commence on gas day
October 30, 2025. Northwest is rescheduling this outage to
allow Operations to conduct their work safely due to
potentially inclement weather in the area.
The Sumner CS will be limited to 816,000 Dth/d southbound
If primary nomination requests through the Sumner CS exceeds
the available capacity of 816,000 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 1,033,000 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.
Critical: Y
Notice Stat Desc: SUPERSEDE
Notice Type Desc: MAINTENANCE
Post D/T: 10/27/2025 7:38 AM MCT
Notice Eff D/T: 10/27/2025 7:38 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-200
Prior Notice: 25-198
Subject: Sumner ESD Rescheduled
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
Website and referenced in Notice ID 25-198, Northwest was
scheduled to perform the Sumner ESD on gas day October 28,
2025, which will now be rescheduled to commence on gas day
October 30, 2025. Northwest is rescheduling this outage to
allow Operations to conduct their work safely due to
potentially inclement weather in the area.
The Sumner CS will be limited to 816,000 Dth/d southbound
If primary nomination requests through the Sumner CS exceeds
the available capacity of 816,000 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 1,033,000 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.