Columbia Gulf Transmission Notice 25970636

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TSP Name

Columbia Gulf Transmission, LLC

TSP

007854581

Date

Time

Notice ID

25970636

Notice Type Description: Maintenance
Notice Stat Desc: Supersede
Prior Notice: 25967914
Critical: Y
Reqrd Rsp Desc: No Response Required

Post
Notice Effective
Notice End

Response

12/16/25
12/16/25
01/16/26



7:05:01 AM
12:00:00 AM
12:00:00 AM



Subject: COMPLETED: Mainline-200 Pipeline Maintenance (ClemSEG), Effective ID1 December 16, 2025

Author: Dillon Schoolcraft

Notice Text

Columbia Gulf Transmission, LLC (CGT) notifies customers that maintenance on Mainline-200 between the 207 Valve Set and the 208 Valve Set is now complete. As a result, the Backhaul Capacity for ClemSEG will be reinstated to Total Capacity effective Intraday 1 Cycle for Gas Day December 16, 2025.Please contact your Customer Services Representative with any questions.
***Previous Posting***
Columbia Gulf Transmission LLC (CGT) notifies customers of upcoming maintenance on Mainline-200 between the 207 Valve Set and the 208 Valve Set beginning on Tuesday, December 9, 2025 through Friday, December 19, 2025. As a result, the backhaul capacity through ClemSEG will be reduced to a level between 2,050,000 Dth and 2,100,000 Dth effective Timely Cycle for Gas Day Tuesday, December 9, 2025. At this time, CGT does not anticipate an impact to nominations through ClemSEG.ClemSEG·        Estimated Capacity Setting: 2,050,000 – 2,100,000 Dth ·        Design Capacity: 2,344,656 Dth·        Posted Percentage: 87-90%Due to the potential impact to firm service, CGT encourages customers to monitor the scheduled volumes on the Operationally Available Capacity screen on Informational Postings, as nominations can fluctuate based on market conditions. Reservation Charge Credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 40 of CGT’s FERC Gas Tariff (Tariff). By means of this notice, CGT is establishing the 7-day Average Usage Quantity to be the period of November 27 – December 3, 2025, pursuant to the provisions in the Tariff. Please contact your Customer Services Representative with any questions.