Notice Details

TSP Name

Gas Transmission Northwest LLC

Notice ID

1621

TSP

006912885

Notice Eff Date:

08/21/2026

Posting Date/Time:

08/21/2026 10:10

Notice End Date:

10/01/2026

Critical:

Yes

Notice Eff Time:

10:10

Notice Type:

OFO

Notice End Time:

08:59

Notice Status:

Supersede

Required Response:

No response required

Prior Notice ID:

1608

Response Date/Time:

Subject

OFO Watch: GTN Low Inventory (Posted 8/1/26)

Message Text

Effective immediately, Gas Transmission Northwest (GTN) is issuing an OFO Watch due to low system inventory. GTN is concerned that continued low inventory levels may impact the operational integrity of its system. As a result, customers may experience lower-than-normal system pressures.

This OFO Watch will remain in effect until further notice to allow GTN to maintain the operational integrity of its system. GTN currently has limited flexibility to manage imbalances and strongly encourages all shippers to closely manage their system requirements and maintain a daily balance between receipts and deliveries.

Absent voluntary actions by shippers to maintain daily balance, GTN may be required to take additional measures, including the immediate issuance of an Operational Flow Order (OFO). Should further action become necessary, such action may be implemented immediately and without additional advance notice.

This posting will be updated as additional information becomes available.

Please direct any questions to your Account Coordinator, Customer Service Representative, or the Nominations and Scheduling Hotline at 888-750-6275.