TransCanada Canadian Mainline Non-Critical Notices

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Type Posted Effective End Identifier Status Subject Response
Other 03/30/26 03/30/26 3374724668 Canadian Mainline Summer 2026 STFT Open Season
Open Season 03/30/26 03/30/26 3374724667 Canadian Mainline Summer 2026 STFT Open Season
Capacity Constraint 03/30/26 03/30/26 3374724666 TQM Pipeline System Maintenance Apr 1 to Apr 16 - Reminder
Capacity Constraint 03/29/26 03/08/26 3374724665 Eastern Triangle Pipeline System - Maintenance Complete
Maintenance 03/29/26 03/29/26 3374724664 REVISED: TC Energy Planned Maintenance Mar 29-Apr 6, 2026
Maintenance 03/26/26 03/27/26 3374724659 TC Energy Planned Maintenance Mar 27-Apr 6, 2026
Other 03/20/26 03/20/27 3374724647 April 2026 Mainline Fuel Ratios Available
Other 03/20/26 03/20/26 3374724642 Planned Computer System Maintenance - Measurement
Maintenance 03/19/26 03/20/26 3374724639 TC Energy Planned Maintenance Mar 20-30, 2026
Other 03/19/26 03/19/26 3374724634 Canadian Mainline Summer 2026 STFT Open Season
Open Season 03/19/26 03/19/26 3374724633 Canadian Mainline Summer 2026 STFT Open Season
Other 03/13/26 03/13/26 3374724629 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/13/26 03/13/26 3374724628 Canadian Mainline Winter STFT Open Season 2026
Maintenance 03/12/26 03/13/26 3374724623 TC Energy Planned Maintenance Mar 13-23, 2026
Other 03/12/26 03/12/26 3374724622 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/12/26 03/12/26 3374724621 Canadian Mainline Winter STFT Open Season 2026
Capacity Constraint 03/11/26 03/11/26 3374724619 Reminder - Eastern Triangle Pipeline Winter Maintenance
Other 03/11/26 03/11/26 3374724618 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/11/26 03/11/26 3374724617 Canadian Mainline Winter STFT Open Season 2026
Other 03/10/26 03/10/26 3374724612 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/10/26 03/10/26 3374724611 Canadian Mainline Winter STFT Open Season 2026
Other 03/09/26 03/09/26 3374724610 Mainline Posted Heat Value for February 2026
Capacity Constraint 03/09/26 03/09/26 3374724609 TQM Pipeline System Maintenance Apr 1 to Apr 16
Other 03/09/26 03/09/26 3374724608 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/09/26 03/09/26 3374724607 Canadian Mainline Winter STFT Open Season 2026
Capacity Constraint 03/08/26 03/08/26 3374724603 Eastern Triangle Pipeline System - Maintenance Complete
Maintenance 03/08/26 03/08/26 3374724604 REVISED: TC Energy Planned Maintenance Mar 9-16, 2026
Maintenance 03/05/26 03/06/26 3374724600 TC Energy Planned Maintenance Mar 6-16, 2026
Other 03/05/26 03/05/26 3374724599 Canadian Mainline Winter STFT Open Season 2026
Open Season 03/05/26 03/05/26 3374724598 Canadian Mainline Winter STFT Open Season 2026
Other 03/02/26 03/02/26 3374724595 PALS Transactions - February 2026
Maintenance 02/26/26 02/27/26 3374724590 TC Energy Planned Maintenance Feb 27 - Mar 9, 2026
IT Bid Rate 02/24/26 02/24/26 3374724589 Mainline Minimum IT Bid Floors
Capacity Constraint 02/23/26 02/23/26 3374724585 Eastern Triangle Pipeline System - Maintenance Complete
Maintenance 02/23/26 02/23/26 3374724587 REVISED: TC Energy Planned Maintenance Feb 23 - Mar 2, 2026
Capacity Constraint 02/20/26 02/20/26 3374724584 Update - Eastern Triangle Pipeline Winter System Maintenance
Other 02/20/26 01/21/26 3374724583 March 2026 Mainline Fuel Ratios Available
Maintenance 02/20/26 02/20/26 3374724581 TC Energy Planned Maintenance Feb 20 - Mar 2, 2026
Maintenance 02/13/26 02/13/26 3374724577 TC Energy Planned Maintenance Feb 13 - Feb 23, 2026
Other 02/10/26 02/10/26 3374724575 Canadian Mainline Winter STFT Open Season 2026
Open Season 02/10/26 02/10/26 3374724574 Canadian Mainline Winter STFT Open Season 2026
IT Bid Rate 02/10/26 02/10/26 3374724573 Mainline Minimum IT Bid Floors
Other 02/09/26 01/09/26 3374724572 Mainline Posted Heat Value for January 2026
IT Bid Rate 02/09/26 02/09/26 3374724571 Mainline Minimum IT Bid Floors
Capacity Constraint 02/06/26 02/06/26 3374724570 Reminder - Eastern Triangle Pipeline Winter Maintenance
Maintenance 02/06/26 02/06/26 3374724568 TC Energy Planned Maintenance Feb 6 - Feb 16, 2026
Other 02/04/26 02/04/26 3374724567 Canadian Mainline Daily Existing Capacity Open Season
Open Season 02/04/26 02/04/26 3374724566 Canadian Mainline Daily Existing Capacity Open Season
Other 02/02/26 01/01/26 3374724565 PALS Transactions - Janurary 2026
IT Bid Rate 02/02/26 02/02/26 3374724564 Mainline Minimum IT Bid Floors