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TSP Name
Columbia Gas Transmission, LLC
TSP
054748041
Date
Time
Notice ID
26276017
Notice Type Description: Force Majeure
Notice Stat Desc: Supersede
Prior Notice: 26276014
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
09/25/26
09/25/26
10/25/26
7:55:30 AM
12:00:00 AM
12:00:00 AM
Subject: UPDATE: Force Majeure – MXP Line
Author: Tyler King
Notice Text
Columbia Gas Transmission, LLC (TCO) notifies customers of the following update regarding the Force Majeure on MXP Line-100 in West Virginia.The work necessitated by the Force Majeure is ongoing. TCO crews are diligently working to remedy the situation in an expeditious manner. At this time, the Force Majeure and subsequent capacity reduction through MXPSEG remain in effect. Based on current outage logistics, TCO anticipates the Force Majeure will remain in effect through the upcoming weekend trading period, Gas Days September 26-28, 2026. TCO will provide an update by Sunday, September 27, 2026. Please continue to monitor critical notices for any updates related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. Please contact your Customer Services and/or Marketing Representative with any questions. ***Previous Posting***
Columbia Gas Transmission, LLC (TCO) notifies customers of the following update regarding the Force Majeure on MXP Line-100 in West Virginia.TCO personnel detected a leak on MXP Line-100 at the Saunders Creek Regulator Station on Thursday morning, September 24, 2026. The situation is confined to the Saunders Creek Regulator Station location, and TCO crews have been actively coordinating with upstream operators to reduce the pressure to isolate the regulator station as part of the assessment and remediation efforts. At this time, the Force Majeure and subsequent capacity reduction through MXPSEG remain in effect until further notice. TCO will provide customers an update by Friday morning, September 25, 2026. Please continue to monitor critical notices for any updates related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. Please contact your Customer Services and/or Marketing Representative with any questions. ***Previous Posting***
Columbia Gas Transmission, LLC (TCO) notifies customers of the need for an immediate pressure reduction on MXP Line-100 between Mt. Olive Compressor Station and Saunders Creek Regulator Station in West Virginia. This immediate pressure reduction is due to an unexpected mechanical issue that could not be prevented by TCO's due diligence and is necessary to maintain the safety and reliability of TCO’s system, and therefore, cannot be deferred. Consequently, pursuant to Section 15 of the General Terms and Conditions of TCO’s FERC Gas Tariff, TCO is declaring a Force Majeure effective for Gas Day September 24, 2026. Effective Intraday 1 Cycle for Gas Day September 24, 2026, scheduled volumes through the MXPSEG MA42 internal constraint (MXPSEG) will be reduced to EPSQ (5/24 = 20.8333%). Effective Timely Cycle for Gas Day Friday, September 25, 2026, and until further notice, MXPSEG will be reduced to zero total capacity. Based on current nominations, the estimated impact to firm service is 1.8 MMDth. TCO is actively working to assess and remedy the situation in an expeditions manner, and will provide customers an update by Friday morning, September 25, 2026. Please continue to monitor critical notices for any adjustments related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. By means of this notice, TCO is establishing which specific Gas Days will be included when determining a shipper’s 7-day average usage quantity pursuant to the provisions in the Tariff. Please contact your Customer Services and/or Marketing Representative with any questions.
Columbia Gas Transmission, LLC
TSP
054748041
Date
Time
Notice ID
26276017
Notice Type Description: Force Majeure
Notice Stat Desc: Supersede
Prior Notice: 26276014
Critical: Y
Reqrd Rsp Desc: No Response Required
Post
Notice Effective
Notice End
Response
09/25/26
09/25/26
10/25/26
7:55:30 AM
12:00:00 AM
12:00:00 AM
Subject: UPDATE: Force Majeure – MXP Line
Author: Tyler King
Notice Text
Columbia Gas Transmission, LLC (TCO) notifies customers of the following update regarding the Force Majeure on MXP Line-100 in West Virginia.The work necessitated by the Force Majeure is ongoing. TCO crews are diligently working to remedy the situation in an expeditious manner. At this time, the Force Majeure and subsequent capacity reduction through MXPSEG remain in effect. Based on current outage logistics, TCO anticipates the Force Majeure will remain in effect through the upcoming weekend trading period, Gas Days September 26-28, 2026. TCO will provide an update by Sunday, September 27, 2026. Please continue to monitor critical notices for any updates related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. Please contact your Customer Services and/or Marketing Representative with any questions. ***Previous Posting***
Columbia Gas Transmission, LLC (TCO) notifies customers of the following update regarding the Force Majeure on MXP Line-100 in West Virginia.TCO personnel detected a leak on MXP Line-100 at the Saunders Creek Regulator Station on Thursday morning, September 24, 2026. The situation is confined to the Saunders Creek Regulator Station location, and TCO crews have been actively coordinating with upstream operators to reduce the pressure to isolate the regulator station as part of the assessment and remediation efforts. At this time, the Force Majeure and subsequent capacity reduction through MXPSEG remain in effect until further notice. TCO will provide customers an update by Friday morning, September 25, 2026. Please continue to monitor critical notices for any updates related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. Please contact your Customer Services and/or Marketing Representative with any questions. ***Previous Posting***
Columbia Gas Transmission, LLC (TCO) notifies customers of the need for an immediate pressure reduction on MXP Line-100 between Mt. Olive Compressor Station and Saunders Creek Regulator Station in West Virginia. This immediate pressure reduction is due to an unexpected mechanical issue that could not be prevented by TCO's due diligence and is necessary to maintain the safety and reliability of TCO’s system, and therefore, cannot be deferred. Consequently, pursuant to Section 15 of the General Terms and Conditions of TCO’s FERC Gas Tariff, TCO is declaring a Force Majeure effective for Gas Day September 24, 2026. Effective Intraday 1 Cycle for Gas Day September 24, 2026, scheduled volumes through the MXPSEG MA42 internal constraint (MXPSEG) will be reduced to EPSQ (5/24 = 20.8333%). Effective Timely Cycle for Gas Day Friday, September 25, 2026, and until further notice, MXPSEG will be reduced to zero total capacity. Based on current nominations, the estimated impact to firm service is 1.8 MMDth. TCO is actively working to assess and remedy the situation in an expeditions manner, and will provide customers an update by Friday morning, September 25, 2026. Please continue to monitor critical notices for any adjustments related to this Force Majeure. Reservation charge credits (RCCs) will be determined per the process set forth in the General Terms and Conditions, Section 38 of TCO’s FERC Gas Tariff (“Tariff”). However, TCO will only issue RCCs if TCO is unable to schedule or deliver primary firm nominated capacity as a result of the Force Majeure for a period greater than ten consecutive days. In the event RCCs are issued as set forth in the Tariff, shippers will receive RCCs based on its 7-day average usage quantity less any scheduled quantities on the contract. By means of this notice, TCO is establishing which specific Gas Days will be included when determining a shipper’s 7-day average usage quantity pursuant to the provisions in the Tariff. Please contact your Customer Services and/or Marketing Representative with any questions.