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TSP Name
Columbia Gulf Transmission, LLC
TSP
007854581
Date
Time
Notice ID
25943621
Notice Type Description: Maintenance
Notice Stat Desc: Supersede
Prior Notice: 25942833
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
08/08/25
07/30/25
08/30/25
9:03:34 AM
12:00:00 AM
12:00:00 AM
Subject: UPDATE: Mainline-300 Pigging (HartSEG)
Author: Zachery Heaver
Notice Text
Columbia Gulf Transmission, LLC (CGT) notifies customers the pigging on Mainline-300 from Hartsville Compressor Station to Hampshire Compressor Station is still ongoing. Based on current operating conditions, the pigging is now tentatively scheduled to continue through Gas Day Monday, August 11, 2025. 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).Please contact your Customer Services Representative with any questions.
***Previous Posting ***
Columbia Gulf Transmission, LLC (CGT) reminds customers of upcoming pigging activities from Hartsville Compressor Station to Hampshire Compressor Station beginning Wednesday, August 6, 2025, through Friday, August 8, 2025. As a result, the backhaul capacity through HartSEG will be reduced to a level between 2,250,000 Dth and 2,500,000 Dth effective Timely Cycle for Gas Day August 6, 2025.CGT anticipates this restriction may result in curtailments to Interruptible, Secondary Firm, and Primary Firm services. Please see the details provided below for more informationHartSEG· Estimated Capacity Setting: 2,250,000 Dth – 2,500,000 Dth· Design Capacity: 2,544,656 Dth· Posted Percentage: 88% - 98% 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.
Columbia Gulf Transmission, LLC
TSP
007854581
Date
Time
Notice ID
25943621
Notice Type Description: Maintenance
Notice Stat Desc: Supersede
Prior Notice: 25942833
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
08/08/25
07/30/25
08/30/25
9:03:34 AM
12:00:00 AM
12:00:00 AM
Subject: UPDATE: Mainline-300 Pigging (HartSEG)
Author: Zachery Heaver
Notice Text
Columbia Gulf Transmission, LLC (CGT) notifies customers the pigging on Mainline-300 from Hartsville Compressor Station to Hampshire Compressor Station is still ongoing. Based on current operating conditions, the pigging is now tentatively scheduled to continue through Gas Day Monday, August 11, 2025. 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).Please contact your Customer Services Representative with any questions.
***Previous Posting ***
Columbia Gulf Transmission, LLC (CGT) reminds customers of upcoming pigging activities from Hartsville Compressor Station to Hampshire Compressor Station beginning Wednesday, August 6, 2025, through Friday, August 8, 2025. As a result, the backhaul capacity through HartSEG will be reduced to a level between 2,250,000 Dth and 2,500,000 Dth effective Timely Cycle for Gas Day August 6, 2025.CGT anticipates this restriction may result in curtailments to Interruptible, Secondary Firm, and Primary Firm services. Please see the details provided below for more informationHartSEG· Estimated Capacity Setting: 2,250,000 Dth – 2,500,000 Dth· Design Capacity: 2,544,656 Dth· Posted Percentage: 88% - 98% 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.