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Mainline-200 Pipeline Maintenance (HartSEG), Effective July 25 - August 1, 2025

Columbia Gulf Transmission 1w ago

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TSP Name

Columbia Gulf Transmission, LLC

TSP

007854581

Date

Time

Notice ID

25942236

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

Post
Notice Effective
Notice End

Response

07/21/25
07/21/25
08/21/25



3:48:07 PM
12:00:00 AM
12:00:00 AM



Subject: Mainline-200 Pipeline Maintenance (HartSEG), Effective July 25 - August 1, 2025

Author: Dillon Schoolcraft

Notice Text

Columbia Gulf Transmission, LLC (CGT) notifies customers of upcoming Pipeline Maintenance on Mainline-200 between Good Luck Compressor Station and Hartsville Compressor Station beginning Friday July 25, 2025, through Friday, August 1, 2025. As a result, the backhaul capacity through HartSEG will be reduced to a level between 2,150,000 Dth and 2,400,000 Dth effective Timely Cycle for Gas Day July 25, 2025. CGT encourages customers to monitor the Daily Capacity Posting for the specific HartSEG setting each day of the outage.CGT anticipates this restriction may result in curtailments to Interruptible, Secondary Firm, and Primary Firm services. Please see the details provided below for more information.HartSEG·        Estimated Capacity Setting: 2,150,000 Dth – 2,400,000 Dth·        Design Capacity: 2,544,656 Dth·        Posted Percentage: 84% - 94% 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 July 1-7, 2025, pursuant to the provisions in the Tariff. Please contact your Customer Services Representative with any questions.