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TSP Name
Columbia Gas Transmission, LLC
TSP
054748041
Date
Time
Notice ID
25966038
Notice Type Description: Operational Alert
Notice Stat Desc: Initiate
Prior Notice:
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
11/24/25
11/24/25
03/31/26
1:46:59 PM
12:00:00 AM
12:00:00 AM
Subject: Pre OFO: Receipt points in Market Areas 26, 30, 35, 41, 42
Author: Dillon Schoolcraft
Notice Text
Columbia Gas Transmission, LLC (TCO) is notifying all Shippers under all Transportation Rate Schedules within its FERC Gas Tariff, as such may change from time to time (Tariff), and Meter Operators in Market Areas 26, 30, 35, 41, and 42 that the issuance of an Operational Flow Order (OFO) may become necessary at times this Winter (through March 31, 2026) to protect the integrity of TCO’s system or its ability to meet its firm service obligations.Pursuant to the provisions of Section 17.1(d) of the General Terms and Conditions of its Tariff, TCO is providing as much advance warning as is reasonably possible of the operational variables that may in the future give rise to the issuance of an OFO, and the expected duration of such an OFO. The operational variables that may require issuance of an OFO in the future are the following: Due to the significant level of production quantities received in Market Areas 26, 30, 35, 41, and 42, physical receipts must match scheduled receipts in order to maintain markets across the TCO system. During cold weather events, receipt points on TCO’s system may experience operational issues that could result in a failure to take or deliver scheduled quantities. As a warning, during upcoming forecasted colder temperatures, TCO cannot allow under performance at any receipt point in these operating areas in order to preserve system integrity and the operating performance of its pipeline system, including maintaining pipeline operations at the pressures required to provide reliable firm services. In order to avoid the issuance of this OFO and/or an underperformance posting citing the point/points affected, during the upcoming colder temperatures, receipt points must be balanced such that actual receipts into Market Areas 26, 30, 35, 41, and 42 must be greater than or equal to the scheduled receipt quantities into these areas. To achieve this, Shippers and Meter Operators must remain in balance at the start of, and throughout, each Gas Day. An OFO may also be avoided if Shippers and Meter Operators adjust nominations to align with flowing supplies during each nomination cycle. In the event TCO is forced to issue an OFO, Shippers who do not comply will be subject to penalties in accordance with Section 19.3 of TCO’s FERC Gas Tariff, and/or an underperformance posting will be made with appropriate reductions to scheduled quantities to follow. TCO expects that a resulting OFO will cause nomination reductions in the subsequent confirmation cycle based on EPSQ and rankings for any shortage for the current Gas Day, or any shortage from hours after the close of ID3 for the previous Gas Day. Please contact your Customer Services and/or Marketing Representative with any questions.
Columbia Gas Transmission, LLC
TSP
054748041
Date
Time
Notice ID
25966038
Notice Type Description: Operational Alert
Notice Stat Desc: Initiate
Prior Notice:
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
11/24/25
11/24/25
03/31/26
1:46:59 PM
12:00:00 AM
12:00:00 AM
Subject: Pre OFO: Receipt points in Market Areas 26, 30, 35, 41, 42
Author: Dillon Schoolcraft
Notice Text
Columbia Gas Transmission, LLC (TCO) is notifying all Shippers under all Transportation Rate Schedules within its FERC Gas Tariff, as such may change from time to time (Tariff), and Meter Operators in Market Areas 26, 30, 35, 41, and 42 that the issuance of an Operational Flow Order (OFO) may become necessary at times this Winter (through March 31, 2026) to protect the integrity of TCO’s system or its ability to meet its firm service obligations.Pursuant to the provisions of Section 17.1(d) of the General Terms and Conditions of its Tariff, TCO is providing as much advance warning as is reasonably possible of the operational variables that may in the future give rise to the issuance of an OFO, and the expected duration of such an OFO. The operational variables that may require issuance of an OFO in the future are the following: Due to the significant level of production quantities received in Market Areas 26, 30, 35, 41, and 42, physical receipts must match scheduled receipts in order to maintain markets across the TCO system. During cold weather events, receipt points on TCO’s system may experience operational issues that could result in a failure to take or deliver scheduled quantities. As a warning, during upcoming forecasted colder temperatures, TCO cannot allow under performance at any receipt point in these operating areas in order to preserve system integrity and the operating performance of its pipeline system, including maintaining pipeline operations at the pressures required to provide reliable firm services. In order to avoid the issuance of this OFO and/or an underperformance posting citing the point/points affected, during the upcoming colder temperatures, receipt points must be balanced such that actual receipts into Market Areas 26, 30, 35, 41, and 42 must be greater than or equal to the scheduled receipt quantities into these areas. To achieve this, Shippers and Meter Operators must remain in balance at the start of, and throughout, each Gas Day. An OFO may also be avoided if Shippers and Meter Operators adjust nominations to align with flowing supplies during each nomination cycle. In the event TCO is forced to issue an OFO, Shippers who do not comply will be subject to penalties in accordance with Section 19.3 of TCO’s FERC Gas Tariff, and/or an underperformance posting will be made with appropriate reductions to scheduled quantities to follow. TCO expects that a resulting OFO will cause nomination reductions in the subsequent confirmation cycle based on EPSQ and rankings for any shortage for the current Gas Day, or any shortage from hours after the close of ID3 for the previous Gas Day. Please contact your Customer Services and/or Marketing Representative with any questions.