Northwest Notice 25-080

TSP Name: Northwest Pipeline LLC TSP: 67977322

Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 06/12/2025 10:38 AM MCT
Notice Eff D/T: 06/12/2025 10:38 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:

Notice ID: 25-080
Prior Notice:
Subject: Burley ESD, Lava ESD, Washougal Solar Inspections & Cisco M&ERP - Maint. Reminde

Notice Text:

As posted in the maintenance schedule on Northwest Pipeline's 
website, Northwest is performing maintenance at the following 
locations:

- Burley CS beginning on gas day June 17, 2025, through gas 
        day June 18, 2025.
- Pegram CS beginning on gas day June 17, 2025, through gas 
        day June 18, 2025.
- Washougal North Constraint beginning on gas day June 17, 
        2025, through gas day June 18, 2025.
- Cisco CS beginning on gas day June 17, 2025, through gas 
        day October 31, 2025.

The Burley CS will be limited to 464,000 Dth/d northbound for 
the duration of the outage. 

If primary nomination requests through the Burley CS exceeds 
the available capacity of 464,000 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 579,000 Dth/d 
northbound. The deficiency period will continue until the work 
is completed on gas day June 18, 2025. 

For the Lava CS ESD, the Pegram CS will be limited to 586,000 
Dth/d northbound for the duration of the outage. 

If primary nomination requests through the Pegram CS exceeds 
the available capacity of 586,000 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 654,000 Dth/d 
northbound. The deficiency period will continue until the work 
is completed on gas day June 18, 2025. 

The Washougal North Constraint will be limited to 196,000 Dth/d 
northbound and 511,000 Dth/d southbound for the duration of the 
outage. 

If primary nomination requests through the Washougal North 
Constraint exceeds the available capacity of 196,000 Dth/d 
northbound or 511,000 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 305,000 Dth/d northbound 
or 521,000 Dth/d southbound. The deficiency period will 
continue until the work is completed on gas day June 18, 2025. 

The Cisco CS will be limited to 241,000 Dth/d northbound and 
284,000 Dth/d southbound for the duration of the outage. 

If primary nomination requests through the Cisco CS exceeds the 
available capacity of 241,000 Dth/d northbound or 284,000 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 
286,000 Dth/d northbound or 359,000 Dth/d southbound. The 
deficiency period will continue until the work is completed on 
gas day October 31, 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.