TSP Name: Northwest Pipeline LLC TSP: 67977322
Notice Stat Desc: INITIATE
Notice Type Desc: MAINTENANCE
Post D/T: 05/04/2021 12:35 PM MCT
Notice Eff D/T: 05/04/2021 12:35 PM MCT
Notice End D/T:
Reqrd Rsp Desc: No response required
Notice ID: 21-079
Subject: Mainteinace update - potential Deficiency
As posted in the maintenance schedule on Northwest's website and as
communicated in the annual maintenance call, Northwest will be performing
anomaly investigations through October 30, 2021 in the Cisco to
The first investigation that involves a pressure restriction is May 12-17.
Beginning gas day May 12 and through gas day May 17, Northwest will only be
able to schedule 75,000 Dth/d going north through the Cisco compressor
station. Current nominations through Cisco are approximately 120,000 Dth/d.
If the primary scheduled quantities for gas day May 12-17 exceed the
operationally available capacity of 75,000 Dth/d, Northwest will declare a
Deficiency Period based on the Cisco compressor design capacity of 286,000
If you have any questions, please call your Commercial Services
Representative or the hotline at 713-215-6907.