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    Tools > Informational Postings > Columbia Gas Transmission > Critical Notices

    Columbia Gas Transmission Critical Notices

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    All information here is provided as a service and information is not guaranteed to be accurate. PipeRiv is not responsible for any incorrect information.

    Type Posted Effective End Identifier Status Subject Response
    Scheduling Alert 12/14/25 12/14/25 01/14/26 25970715 TIM Nomination Window Extension for Gas Day December 15, 2025 - RESOLVED
    Scheduling Alert 12/14/25 12/14/25 01/14/26 25970621 TIM Nomination Window Extension for Gas Day December 15, 2025
    Scheduling Alert 12/14/25 12/14/25 01/14/26 25970610 Scheduling Alert – ID1 Nomination Window Extension for Gas Day December 14, 2025
    Other 12/12/25 12/12/25 01/12/26 25970310 TCO Pressure Reductions on Lines 1818, 10043, 1711
    Capacity Constraint 12/12/25 12/12/25 01/12/26 25970609 REVISED CAPACITY POSTING - TIM for December 13, 2025 through December 15, 2025
    Capacity Constraint 12/12/25 12/12/25 01/12/26 25970309 CAPACITY POSTING - TIM for December 13, 2025 through December 15, 2025
    Storage 12/12/25 12/12/25 01/12/26 25970509 Storage Critical Day, Effective December 13, 2025
    Capacity Constraint 12/12/25 12/09/25 01/09/26 25970508 UPDATE: Transport Critical Days, Effective December 13, 2025 & Until Further Notice
    Operational Flow Order 12/11/25 12/11/25 01/11/26 25969417 Operational Flow Order: Receipt Points in Market Areas 26, 30, 35, 41, 42, Eff. December 13, 2025
    Operational Alert 12/11/25 12/11/25 01/11/26 25969416 Operational Alert: Potential Critical Days, Effective December 13, 2025
    Capacity Constraint 12/11/25 12/11/25 01/11/26 25969409 CAPACITY POSTING - TIM for December 12, 2025
    Capacity Constraint 12/10/25 12/10/25 01/10/26 25968609 CAPACITY POSTING - TIM for December 11, 2025
    Capacity Constraint 12/09/25 12/09/25 01/09/26 25967633 CAPACITY POSTING - TIM for December 10, 2025
    Operational Flow Order 12/09/25 12/09/25 01/09/26 25967632 LIFTED: OFO – Receipt Points in Market Areas 26, 30, 35, 41, 42 Effective December 10, 2025
    Capacity Constraint 12/09/25 12/09/25 01/09/26 25967631 UPDATE: Transport Critical Days, Effective December 10, 2025
    Capacity Constraint 12/08/25 12/08/25 01/08/26 25967629 REVISED: CAPACITY POSTING – TIM for December 09, 2025
    Capacity Constraint 12/08/25 12/08/25 01/08/26 25967627 CAPACITY POSTING - TIM for December 09, 2025
    Capacity Constraint 12/05/25 12/05/25 01/05/26 25967622 CAPACITY POSTING - TIM for December 06, 2025 through December 08, 2025
    Capacity Constraint 12/04/25 12/04/25 01/04/26 25967621 UPDATE:Transport Critical Day, Effective December 8, 2025 & Until Further Notice – Op Areas 1,2,4,10
    Capacity Constraint 12/04/25 12/04/25 01/04/26 25967911 REVISED: CAPACITY POSTING – TIM for December 05, 2025
    Capacity Constraint 12/04/25 12/04/25 01/04/26 25967618 CAPACITY POSTING - TIM for December 05, 2025
    Capacity Constraint 12/04/25 12/04/25 01/04/26 25967617 Transport Critical Day, Effective December 5, 2025 & Until Further Notice – Op Areas 1 and 10
    Operational Alert 12/03/25 12/03/25 01/03/26 25967612 Operational Alert: Potential Critical Days, Effective December 5, 2025
    Capacity Constraint 12/03/25 12/03/25 01/03/26 25967610 CAPACITY POSTING - TIM for December 04, 2025
    Capacity Constraint 12/02/25 12/02/25 01/02/26 25967408 REVISED: CAPACITY POSTING – ID1 for Tuesday, December 2, 2025
    Capacity Constraint 12/02/25 12/02/25 01/02/26 25967112 CAPACITY POSTING - TIM for December 03, 2025
    Capacity Constraint 12/01/25 12/01/25 01/01/26 25967110 CAPACITY POSTING - TIM for December 02, 2025

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