Northwest Pipeline LLC NOTICE #32194 Sumas A Plant Disconnect & Mt. Vernon Unit 3 Solar Inspections - Maintenance Rem posted on Apr 21 2025 10:24AM TSP Name: Northwest Pipeline LLC TSP: 67977322 Critical: Y Notice Stat Desc: INITIATE Notice Type Desc: MAINTENANCE Post D/T: 04/21/2025 10:21 AM MCT Notice Eff D/T: 04/21/2025 10:21 AM MCT Notice End D/T: Reqrd Rsp Desc: No response required Rsp D/T: Notice ID: 25-053 Prior Notice: Subject: Sumas A Plant Disconnect & Mt. Vernon Unit 3 Solar Inspections - Maintenance Rem Notice Text: As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest is performing maintenance at the following 
locations:

- Sumas CS beginning gas day April 23, 2025, through gas 
        day April 25, 2025. 

- Mt. Vernon CS on gas day April 23, 2025.

The Sumas CS will be limited to 922,000 Dth/d southbound for 
the duration of the outage. 

If primary nomination requests through the Sumas CS exceeds 
the available capacity of 922,000 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 
1,409,000 Dth/d southbound. The deficiency period will continue 
until the work is completed on gas day April 25, 2025. 

The Mt. Vernon CS will be limited to 1,241,000 Dth/d southbound 
for the duration of the outage. 

If primary nomination requests through the Mt. Vernon CS 
exceeds the available capacity of 1,241,000 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 
1,277,000 Dth/d southbound. The deficiency period will continue 
until the work is completed on gas day April 23, 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.