Northwest Notice 26-111

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TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 05/15/2026 11:47 AM MCT
Notice Eff D/T: 05/15/2026 11:47 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 26-111
Prior Notice:
Subject: Washougal PLC 5 Upgrade - Maintenance Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest will be performing maintenance at the 
following location next week:

- Oregon City CS: located at MP 21.06 in Clackamas County, 
        Oregon on gas day May 20, 2026, through gas day June 15, 
        2026.

The Oregon City CS will be limited to 239,000 Dth/d northbound 
for the duration of the outage.

If primary nomination requests through the Oregon City CS 
exceeds the available capacity of 239,000 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 
250,000 Dth/d northbound. 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.
TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 05/15/2026 11:47 AM MCT
Notice Eff D/T: 05/15/2026 11:47 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 26-111
Prior Notice:
Subject: Washougal PLC 5 Upgrade - Maintenance Reminder

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest will be performing maintenance at the 
following location next week:

- Oregon City CS: located at MP 21.06 in Clackamas County, 
        Oregon on gas day May 20, 2026, through gas day June 15, 
        2026.

The Oregon City CS will be limited to 239,000 Dth/d northbound 
for the duration of the outage.

If primary nomination requests through the Oregon City CS 
exceeds the available capacity of 239,000 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 
250,000 Dth/d northbound. 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.