Notice Type Description: Planned Service Outage
Notice Identifier: 112977
Critical Notice Description: Critical notice
Posting Date/Time: Oct 20 2025 3:16PM
Notice Status Description: Initiate
Required Response Indicator Description: No response required
Response Date/Time:
TSP: 7933047
TSP Name: TRANSWESTERN PIPELINE COMPANY, LLC
Subject: Station 4 (Klagetoh, AZ) - Semi-Annual maintenance. 11/4 thru 11/6/25
Notice Effective Date/Time: Nov 4 2025 9:00AM
Notice End Date/Time: Nov 7 2025 8:59AM

Notice Text:

Nominated Volume Affected

October 20, 2025


To: All Transwestern Pipeline Customers.

Subject: Mainline Thoreau West System Capacity.

Reason: Transwestern will be performing Semi-Annual maintenance at Station 4 (Klagetoh, AZ). This will impact the Mainline Thoreau West System Capacity.

Gas Day November 4th thru November 6th, 2025 (3 Days)

Mainline Thoreau West System capacity will be reduced from 1,240,000 MMBtu/d to approximately 1,100,000 MMBtu/d.

Based on expected scheduled volumes on the Mainline Thoreau West System, this maintenance may not impact any scheduled volumes during this timeframe.

Gas Day November 7th, 2025

Mainline Thoreau West System capacity will increase from 1,100,000 MMBtu/d to the original capacity of 1,240,000 MMBtu/d.


Transwestern reserves the right to revise the above listed schedule. Please continue to monitor Transwestern website for updates and scheduled changes.
Reason: Pipeline Maintenance
Location: Station 4 (Klagetoh, AZ). - Located on the Mainline Thoreau West system.