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Open Season
Effective Start Date Time
08/10/2026 3:35 pm
Subject
UPDATE: Mainline Changes: ECOS & NCOS Dates & NCOS Capacity
Notice Text
UPDATE: Canadian Mainline ECOS and NCOS Date Changes and NCOS Capacity Changes
The currently posted New Capacity Open Season (“NCOS”) has been updated to reflect a change to the Energir EDA and Napierville capacities. Posted capacities in the Existing Capacity Open Season (“ECOS”) and to other NCOS locations remain unchanged.
The ECOS and NCOS Open Season dates have also changed. The Open Seasons commenced on July 2, 2026, and will now run through August 27, 2026, at 8:00 a.m. MST (10:00 a.m. EST) (previously August 13, 2026).
For full details, please see Existing Capacity Open Season and New Capacity Open Season.
If you have any questions, please contact your Marketing Representative
Open Season
Effective Start Date Time
08/10/2026 3:35 pm
Subject
UPDATE: Mainline Changes: ECOS & NCOS Dates & NCOS Capacity
Notice Text
UPDATE: Canadian Mainline ECOS and NCOS Date Changes and NCOS Capacity Changes
The currently posted New Capacity Open Season (“NCOS”) has been updated to reflect a change to the Energir EDA and Napierville capacities. Posted capacities in the Existing Capacity Open Season (“ECOS”) and to other NCOS locations remain unchanged.
The ECOS and NCOS Open Season dates have also changed. The Open Seasons commenced on July 2, 2026, and will now run through August 27, 2026, at 8:00 a.m. MST (10:00 a.m. EST) (previously August 13, 2026).
For full details, please see Existing Capacity Open Season and New Capacity Open Season.
If you have any questions, please contact your Marketing Representative