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ToolsTransCanada Canadian Mainline Notice 3374724549
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Capacity Constraint
Effective Start Date Time
01/23/2026 10:45 pm
Subject
Update - Eastern Triangle Pipeline Winter System Maintenance
Notice Text
TC Energy provides an update and reminder of the in-line inspections that are planned in the Eastern Triangle pipeline system for the winter 2026 winter season. The maintenance is required to be conducted during this period to ensure appropriate flow conditions for the inspections.
- NPS 30 Barrie line (MLV 123 to MLV 130) - Feb. 11 to Feb. 25
- NPS 20 Montreal Line (MLV 139 to MLV 148) – Feb. 27 to Mar. 8
- NPS 20 Montreal Line (MLV 130 to MLV 139) – Mar. 18 to Mar. 31
NPS 30 Barrie line (MLV 123 to MLV 130) - Feb. 11 to Feb. 25:
EDA capacity for this maintenance period is expected to be approximately 3425 TJ and will be reflected in the Feb. 5, 2026 Maintenance Capacity postings. Firm services to the Enbridge CDA, Union NCDA and the EDAs are not expected to be impacted. Depending on demand levels, discretionary services entering the Enbridge CDA, Union NCDA and/or the Eastern Delivery Area (EDA) may be limited during the inspections. Dates and capacity are subject to change and will be communicated as required.
NPS 20 Montreal line (MLV 139 to MLV 148) - Feb. 27 to Mar. 8:
EDA capacity for this maintenance period is expected to be approximately 3430 TJ and will be reflected in the Feb. 19, 2026 Maintenance Capacity postings. Firm services to the Eastern Delivery Area (EDA) and downstream export points are not expected to be impacted. Depending on demand levels, discretionary services may be limited past the Union/Enbridge/KPUC/Napanee EDAs to downstream locations (which includes the Energir EDA and export points: Iroquois, East Hereford, Napierville, Phillipsburg, Cornwall). Dates and capacity are subject to change and will be communicated as required.
NPS 20 Montreal Line (MLV 130 to MLV 139) – Mar. 18 to Mar. 31:
TC will communicate capacity and any customer impacts, as soon as execution details are confirmed.
QUESTIONS
If you have any questions or require further information, please contact your Marketing Representative
Capacity Constraint
Effective Start Date Time
01/23/2026 10:45 pm
Subject
Update - Eastern Triangle Pipeline Winter System Maintenance
Notice Text
TC Energy provides an update and reminder of the in-line inspections that are planned in the Eastern Triangle pipeline system for the winter 2026 winter season. The maintenance is required to be conducted during this period to ensure appropriate flow conditions for the inspections.
- NPS 30 Barrie line (MLV 123 to MLV 130) - Feb. 11 to Feb. 25
- NPS 20 Montreal Line (MLV 139 to MLV 148) – Feb. 27 to Mar. 8
- NPS 20 Montreal Line (MLV 130 to MLV 139) – Mar. 18 to Mar. 31
NPS 30 Barrie line (MLV 123 to MLV 130) - Feb. 11 to Feb. 25:
EDA capacity for this maintenance period is expected to be approximately 3425 TJ and will be reflected in the Feb. 5, 2026 Maintenance Capacity postings. Firm services to the Enbridge CDA, Union NCDA and the EDAs are not expected to be impacted. Depending on demand levels, discretionary services entering the Enbridge CDA, Union NCDA and/or the Eastern Delivery Area (EDA) may be limited during the inspections. Dates and capacity are subject to change and will be communicated as required.
NPS 20 Montreal line (MLV 139 to MLV 148) - Feb. 27 to Mar. 8:
EDA capacity for this maintenance period is expected to be approximately 3430 TJ and will be reflected in the Feb. 19, 2026 Maintenance Capacity postings. Firm services to the Eastern Delivery Area (EDA) and downstream export points are not expected to be impacted. Depending on demand levels, discretionary services may be limited past the Union/Enbridge/KPUC/Napanee EDAs to downstream locations (which includes the Energir EDA and export points: Iroquois, East Hereford, Napierville, Phillipsburg, Cornwall). Dates and capacity are subject to change and will be communicated as required.
NPS 20 Montreal Line (MLV 130 to MLV 139) – Mar. 18 to Mar. 31:
TC will communicate capacity and any customer impacts, as soon as execution details are confirmed.
QUESTIONS
If you have any questions or require further information, please contact your Marketing Representative