July 22, 2025
TransCanada's Canadian Mainline is currently posting Short Term Firm Transportation ("STFT") in this Short Term Capacity Open Season (the "Open Season") for monthly service in the Winter season (November 1, 2025 to March 31, 2026). TransCanada will be accepting bids in the Short Term Firm Open Season until Thursday, July 24, 2025 at 8:00 a.m. MT (Calgary time).
TransCanada continues to anticipate offering an Existing Capacity Open Season (the "ECOS") in July of 2025 with Firm Transportation capacity having a December 1, 2025 start date. Additionally, TransCanada is planning a combined partial Winter 2025/26 and partial Summer 2026 STFT offering with available capacity starting December 2025. A bulletin will be posted for the ECOS and the STFT capacity offerings when available.
STFT Bid floors are shown at Short Term Capacity: Bid Floors. Please note, the Mainline Rate Rider is not applicable for STFT. The capacity available is located in the tables below.
Paths not listed in Table 1 may have capacity available, please contact your Marketing Representative. Bid floors can be found at Short Term Capacity: Bid Floors.
Posted System Segments for STFT | November 2025 (GJ/d) | December 2025 (GJ/d) | January 2026 (GJ/d) | February 2026 (GJ/d) | March 2026 (GJ/d) |
---|---|---|---|---|---|
Empress (3)(4) to (Domestic) |
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South Saskatchewan Delivery Area (SSDA) |
0 |
343,289 | 343,289 | 343,289 | 343,289 |
Manitoba Delivery Area (MDA) |
0 |
343,289 | 343,289 | 343,289 | 343,289 |
Western Delivery Area (WDA) |
0 |
73,760 | 73,760 | 73,760 | 73,760 |
Northern Delivery Area (NDA) and North Bay Junction |
0 |
73,760 | 73,760 | 73,760 | 73,760 |
Central Delivery Area (CDA)(4) |
0 |
28,000 | 28,000 | 28,000 | 28,000 |
Eastern Delivery Area (EDA)(6) |
0 |
23,000 | 23,000 | 23,000 | 23,000 |
Eastern Delivery Area (Energir EDA) |
0 |
0 | 0 | 0 | 0 |
Southwest Delivery Area (SWDA) |
0 |
0 | 0 | 0 | 0 |
|
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Empress(3)(4) to (Export) |
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Emerson 1 | 0 | 343,289 | 343,289 | 343,289 | 343,289 |
Emerson 2 | 0 | 343,289 | 343,289 | 343,289 | 343,289 |
Iroquois | 0 | 23,000 | 23,000 | 23,000 | 23,000 |
Cornwall | 0 | 23,000 | 23,000 | 23,000 | 23,000 |
Napierville | 0 | 23,000 | 23,000 | 23,000 | 23,000 |
Philipsburg | 0 | 0 | 0 | 0 | 0 |
East Hereford | 0 | 0 | 0 | 0 | 0 |
Paths not listed in Table 2 may have capacity available, please contact your Marketing Representative. Bid floors can be found at Short Term Capacity: Bid Floors.
Posted System Segments for STFT |
November 2025 (GJ/d) | December 2025 (GJ/d) | January 2026 (GJ/d) | February 2026 (GJ/d) | March 2026 (GJ/d) |
Dawn to |
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Kirkwall | 0 | 0 | 0 | 0 | 0 |
|
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Parkway to |
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Southwest Delivery Area (SWDA) | 0 | 0 | 0 | 0 | 0 |
Points East of Parkway Maple Corridor | 0 | 0 | 0 | 0 | 0 |
|
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Sault Ste. Marie to |
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Union SSMDA | 0 | 0 | 0 | 0 | 0 |
Kirkwall to |
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Union CDA | 84,058 | 84,058 | 84,058 | 84,058 | 84,058 |
Union SWDA | 0 | 0 | 0 | 0 | 0 |
Paths not listed in Table 3 may have capacity available, please contact your Marketing Representative. Bid floors can be found at Short Term Capacity: Bid Floors.
Posted System Segments for STFT |
November 2025 (GJ/d) | December 2025 (GJ/d) | January 2026 (GJ/d) | February 2026 (GJ/d) | March 2026 (GJ/d) |
Niagara Falls to |
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Kirkwall(7) | 0 | 0 | 0 | 0 | 0 |
Chippawa to |
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Kirkwall(7) |
0 | 0 | 0 | 0 | 0 |
This is the available capacity at the Iroquois Receipt meter station. Capacities available to downstream points are subject to downstream segment capacities. Paths not listed in Table 4 may have capacity available, please contact your Marketing Representative. Bid floors can be found at Short Term Capacity: Bid Floors.
Posted System Segments for STFT |
November 2025 (GJ/d) | December 2025 (GJ/d) | January 2026 (GJ/d) | February 2026 (GJ/d) | March 2026 (GJ/d) |
Iroquois |
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Enbridge EDA, Union EDA and Cornwall |
19,567 | 19,567 | 19,567 | 19,567 | 19,567 |
Energir EDA and East Hereford | 0 | 0 | 0 | 0 | 0 |
1 The paths above contain shared capacity, and as such, the capacity available for one path may be impacted by bids to another path sharing the same capacity.
2 TransCanada is not accepting bids from export points unless otherwise listed in the tables above
3 Customers and prospective customers should be aware that TransCanada has posted firm capacity from Empress that may be in excess of the upstream delivery capacity on Nova Gas Transmission Ltd. (NGTL). It is the responsibility of customers to ensure upstream capacity is available.
4 Bayhurst 1, Herbert, Richmound, Shackleton, Success, Suffield 2, and Welwyn are also valid receipt points for the delivery points listed in Table 1, subject to metering capacity
5 Capacity available to Union NCDA, Enbridge CDA, Union Parkway Belt, and Union ECDA only.
6 Capacity available to Enbridge EDA, Union EDA, and KPUC only.
7 Niagara to Kirkwall and Chippawa to Kirkwall capacities are not additive.
Service applicants must submit a binding Short Term Transportation Contract, Exhibit "A" Addendum, Paper Version or Electronic Version, to TransCanada's Mainline Contracting Department by email at mainline_contracting@tcenergy.com or by fax at 1.403.920.2309 and must be received by 8:00 a.m. MT (Calgary time) Thursday July 24, 2025.
If you have any questions, please contact your Marketing Representative.
Calgary
Tyler Cook
Phone: 1.403.920.6021
Email: tyler_cook@tcenergy.com
Kevin D'Souza
Phone: 1.403.920.7915
Email: kevin_dsouza@tcenergy.com
Kelsey Johannson
Phone: 1.403.920.5956
Email: kelsey_johannson@tcenergy.com
Vanessa Swick
Phone: 1.403.920.6764
Email: vanessa_swick@tcenergy.com
Goran Miljevic
Phone: 1.403.920.5569
Email: goran_miljevic@tcenergy.com
David Beekhuizen
Phone: 1.403.920.6979
Email: david_beekhuizen@tcenergy.com
Toronto
Amelia Cheung
Phone: 1.416.869.2115
Email: amelia_cheung@tcenergy.com
Rory Black
Phone: 1.416.869.2159
Email: rory_black@tcenergy.com
Chelsea Medcalfe
Phone: 1.416.869.2103
Email: chelsea_medcalfe@tcenergy.com
Lisa Jamieson
Phone: 1.416.869.2171
Email: lisa_jamieson@tcenergy.com
Tim Stringer
Phone: 1.416.869.2177
Email: tim_stringer@tcenergy.com