TransCanada Canadian Mainline Non-Critical Notices

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Type Posted Effective End Identifier Status Subject Response
Maintenance 06/12/25 06/13/25 3374723923 TC Energy Planned Maintenance June 13 - June 23, 2025
Capacity Constraint 06/12/25 06/12/25 3374723919 Reminder: Prairies System Maintenance Jun 14 - Jun 26
IT Bid Rate 06/12/25 06/12/25 3374723916 Mainline Minimum IT Bid Floors
Other 06/06/25 06/06/25 3374723873 Mainline Posted Heat Value for May 2025
Maintenance 06/05/25 06/06/25 3374723868 TC Energy Planned Maintenance June 6 - June 16, 2025
Other 06/01/25 06/01/25 3374723824 PALS Transactions - May 2025
Maintenance 05/29/25 05/30/25 3374723829 TC Energy Planned Maintenance May 30 - June 9, 2025
Other 05/29/25 04/01/25 3374723823 PALS Transactions - April 2025
Capacity Constraint 05/27/25 05/27/25 3374723806 Prairies Pipeline System Maintenance June 14 to June 26
Maintenance 05/22/25 05/23/25 3374723802 TC Energy Planned Maintenance May 23 - June 2, 2025
Other 05/20/25 02/20/25 3374723800 June 2025 Mainline Fuel Ratios Available
Other 05/20/25 05/20/25 3374723798 my.TCCustomerExpress.com experiencing issues
Maintenance 05/15/25 05/26/25 3374723793 TC Energy Planned Maintenance May 16 - May 26, 2025
Maintenance 05/08/25 05/09/25 3374723757 TC Energy Planned Maintenance May 9 - May 19, 2025
IT Bid Rate 05/08/25 05/08/25 3374723753 Mainline Minimum IT Bid Floors
Other 05/07/25 05/07/25 3374723747 Mainline Posted Heat Value for April 2025
IT Bid Rate 05/06/25 05/06/25 3374723743 Mainline Minimum IT Bid Floors
Maintenance 05/01/25 05/02/25 3374723739 TC Energy Planned Maintenance May 2 - May 12, 2025
Maintenance 04/24/25 04/25/25 3374723730 TC Energy Planned Maintenance Apr 25-May 5, 2025
Capacity Constraint 04/24/25 04/24/25 3374723726 Prairies Pipeline System Maintenance – Dates Revised
Other 04/17/25 02/20/25 3374723724 May 2025 Mainline Fuel Ratios Available
Maintenance 04/17/25 04/18/25 3374723723 TC Energy Planned Maintenance Apr 18-Apr 28, 2025
Capacity Constraint 04/14/25 04/14/25 3374723714 Prairies Pipeline System ILI - May 1 to May 15
Capacity Constraint 04/14/25 04/14/25 3374723711 TQM Pipeline System - Maintenance Update
Maintenance 04/10/25 04/11/25 3374723709 TC Energy Planned Maintenance Apr 11-Apr 21, 2025
Other 04/08/25 04/08/25 3374723706 Important: Upcoming Firewall Changes
Other 04/07/25 04/07/25 3374723702 Mainline Posted Heat Value for March 2025
Other 04/07/25 04/07/25 3374723701 Mainline Posted Heat Value for March 2025
IT Bid Rate 04/07/25 04/07/25 3374723700 Mainline Minimum IT Bid Floors
Maintenance 04/03/25 04/04/25 3374723697 TC Energy Planned Maintenance Apr 4-Apr 14, 2025
Other 04/03/25 04/01/25 3374723695 PALS Transactions - March 2025
Other 03/29/25 03/01/25 3374723640 PALS Transactions - February 2025
Maintenance 03/28/25 03/28/25 3374723693 TC Energy Planned Maintenance Mar 28-Apr 7, 2025
Capacity Constraint 03/25/25 03/25/25 3374723686 TQM Pipeline System Maintenance Apr 1 to Apr 15 - Update
Other 03/21/25 03/21/25 3374723685 Planned Computer System Maintenance - Measurement
Maintenance 03/20/25 03/21/25 3374723681 TC Energy Planned Maintenance Mar 21-Mar 31, 2025
Other 03/20/25 02/20/25 3374723678 April 2025 Mainline Fuel Ratios Available
IT Bid Rate 03/20/25 03/20/25 3374723677 Mainline Minimum IT Bid Floors
IT Bid Rate 03/19/25 03/19/25 3374723675 Mainline Minimum IT Bid Floors
IT Bid Rate 03/17/25 03/17/25 3374723673 Mainline Minimum IT Bid Floors
Maintenance 03/13/25 03/14/25 3374723671 TC Energy Planned Maintenance Mar 14-Mar 24, 2025
IT Bid Rate 03/12/25 03/07/25 3374723670 Mainline Minimum IT Bid Floors
Other 03/10/25 03/10/25 3374723665 Mainline Posted Heat Value for February 2025
IT Bid Rate 03/07/25 03/07/25 3374723649 Mainline Minimum IT Bid Floors
Maintenance 03/07/25 03/07/25 3374723648 TC Energy Planned Maintenance Mar 7-Mar 17, 2025
Open Season 03/06/25 03/06/25 3374723646 Canadian Mainline STFT Open Season 2025/2026
Capacity Constraint 03/05/25 03/05/25 3374723645 TQM Pipeline System Maintenance Apr 1 to Apr 15
IT Bid Rate 03/03/25 03/03/25 3374723642 Mainline Minimum IT Bid Floors
Maintenance 02/27/25 02/28/25 3374723639 TC Energy Planned Maintenance Feb 28-Mar 10, 2025
Other 02/27/25 02/27/25 3374723634 Canadian Mainline Winter 2025 Open Season for STFT - Update