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Critical: Y
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 07/17/2025 11:32 AM MCT
Notice Eff D/T: 07/17/2025 11:32 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-101
Prior Notice:
Subject: Mt. Vernon ESD, Albany ESD, Chehalis Pig Runs, Moab DOT Hydro, & Pegram M&ERP -
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest is performing maintenance at the following
locations:
- Mt Vernon CS beginning gas day July 21, 2025, through gas
day July 23, 2025.
- Albany CS beginning gas day July 21, 2025, through gas
day July 25, 2025.
- Sumner to Chehalis pigs runs beginning gas day July 22,
2025, through gas day July 23, 2025.
- Pleasant View CS beginning gas day July 22, 2025, through
gas day August 01, 2025
- La Plata B CS beginning gas day July 22, 2025, through
gas day August 01, 2025.
- Pegram CS beginning gas day July 22, 2025, through gas
day October 08, 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
1,277,707 Dth/d southbound. The deficiency period will continue
until the work has been completed.
The Albany CS will be limited to 103,000 Dth/d for the duration
of the outage.
If primary nomination requests through the Albany CS exceeds
the available capacity of 103,000 Dth/d (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 120,000 Dth/d. The
deficiency period will continue until the work has been
completed.
The Chehalis CS will be limited to the design capacity of
672,000 Dth/d southbound for the duration of the Sumner to
Chehalis pig runs. Northwest will continue to mitigate
Operational Flow Orders (OFO) at the Chehalis CS on an
operationally available basis, as referenced in Notice ID 25-
085.
For the Moab DOT Hydrotest, the Pleasant View CS will be
limited to net 0 Dth/d southbound and the La Plata B CS will be
limited to net 0 Dth/d northbound for the duration of the
outage.
If primary nomination requests through the Pleasant View CS
exceeds the available capacity of net 0 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 the primary rights of
211,000 Dth/d southbound. The deficiency period will continue
until the work has been completed.
If primary nomination requests through the La Plata B CS
exceeds the available capacity of net 0 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 the primary rights of
244,000 Dth/d northbound. The deficiency period will continue
until the work has been completed.
The Pegram CS will be limited to 519,000 Dth/d northbound for
the duration of the outage.
If primary nomination requests through the Pegram CS exceeds
the available capacity of 519,000 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
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: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 07/17/2025 11:32 AM MCT
Notice Eff D/T: 07/17/2025 11:32 AM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Rsp D/T:
Notice ID: 25-101
Prior Notice:
Subject: Mt. Vernon ESD, Albany ESD, Chehalis Pig Runs, Moab DOT Hydro, & Pegram M&ERP -
Notice Text:
As posted in the maintenance schedule on Northwest Pipeline's
website, Northwest is performing maintenance at the following
locations:
- Mt Vernon CS beginning gas day July 21, 2025, through gas
day July 23, 2025.
- Albany CS beginning gas day July 21, 2025, through gas
day July 25, 2025.
- Sumner to Chehalis pigs runs beginning gas day July 22,
2025, through gas day July 23, 2025.
- Pleasant View CS beginning gas day July 22, 2025, through
gas day August 01, 2025
- La Plata B CS beginning gas day July 22, 2025, through
gas day August 01, 2025.
- Pegram CS beginning gas day July 22, 2025, through gas
day October 08, 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
1,277,707 Dth/d southbound. The deficiency period will continue
until the work has been completed.
The Albany CS will be limited to 103,000 Dth/d for the duration
of the outage.
If primary nomination requests through the Albany CS exceeds
the available capacity of 103,000 Dth/d (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 120,000 Dth/d. The
deficiency period will continue until the work has been
completed.
The Chehalis CS will be limited to the design capacity of
672,000 Dth/d southbound for the duration of the Sumner to
Chehalis pig runs. Northwest will continue to mitigate
Operational Flow Orders (OFO) at the Chehalis CS on an
operationally available basis, as referenced in Notice ID 25-
085.
For the Moab DOT Hydrotest, the Pleasant View CS will be
limited to net 0 Dth/d southbound and the La Plata B CS will be
limited to net 0 Dth/d northbound for the duration of the
outage.
If primary nomination requests through the Pleasant View CS
exceeds the available capacity of net 0 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 the primary rights of
211,000 Dth/d southbound. The deficiency period will continue
until the work has been completed.
If primary nomination requests through the La Plata B CS
exceeds the available capacity of net 0 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 the primary rights of
244,000 Dth/d northbound. The deficiency period will continue
until the work has been completed.
The Pegram CS will be limited to 519,000 Dth/d northbound for
the duration of the outage.
If primary nomination requests through the Pegram CS exceeds
the available capacity of 519,000 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
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.