Canadian Mainline Summer 2025 Open Season For STFT

March 31, 2025

TransCanada's Canadian Mainline is currently posting Short Term Firm Transportation ("STFT) service in this Short Term Capacity Open Season (the "Open Season") for a Summer 2025 term. TransCanada will be accepting bids for a Next Day start and end October 31, 2025. TransCanada will be accepting bids in the Short Term Firm Open Season until 8:00 a.m. MT (Calgary time) each business day. Evaluation is ongoing and as further information becomes available, we may offer incremental capacity. 

Please note, the Mainline Rate Rider is not applicable for STFT. Bid floors are shown at Short Term Capacity: Bid Floors. The capacity available is located in the tables below.

Table 1: Available Short Term Capacity (GJ/d) - Next Day - October 31, 2025(1)

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

Next Day - October 31, 2025 (GJ/d)

Empress(4)(5) to (Domestic)
 
 South Saskatchewan Delivery Area (SSDA)

0
 Manitoba Delivery Area (MDA)

0
 Western Delivery Area (WDA)

0
 Northern Delivery Area (NDA)

0
Union ECDA

0
Enbridge CDA

0
 Eastern Delivery Area (EDA)(2)

0
 Eastern Delivery Area (Energir EDA)

0
 Southwest Delivery Area (SWDA)

0

 

  

Empress(4)(5) to (Export)

 
 Emerson 1

0
 Emerson 2

0
 Kirkwall

0
 Cornwall

0
 Iroquois

0
 Napierville

0
 Philipsburg

0
 East Hereford

0

 

Table 2: Available Short Term Capacity (GJ/d) - Next Day - October 31, 2025(1)

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

Next Day - October 31, 2025 (GJ/d)

Dawn to

 
 Kirkwall

0

Parkway to

  
 Union ECDA

130,372
 Southwest Delivery Area (SWDA)

0

Sault Ste. Marie to

 

 Union SSMDA

35,022

Kirkwall to

 
 Union CDA

71,359
 Union SWDA

0

 

Table 3: Available Short Term Capacity (GJ/d) - Next Day - October 31, 2025(1)
The System Segments listed below with a receipt point of Emerson 2 are limited as a result of physical receipt capability. 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

Next Day - October 31, 2025 (GJ/d)

 Emerson 2(3)

  
 South Saskatchewan Delivery Area (SSDA)

215,614
 Manitoba Delivery Area (MDA) 215,614

 

Table 4: Available Short Term Capacity (GJ/d) - Next Day - October 31, 2025(1)

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

Next Day - October 31, 2025 (GJ/d)

 Niagara or Chippawa to

  
 Kirkwall 0
Union SWDA 0

Union Parkway Belt

 0

Iroquois

 0

 

  

 

 

1 TransCanada is not accepting bids from export points unless otherwise listed in the tables above.
2 Capacity available to Enbridge EDA, Union EDA, and KPUC only.
3 Delivery capacity subject to downstream capacity, please contact your Marketing Representative. 
4 Bayhurst 1, Herbert, Richmound, Shackleton, Success, Suffield 2, Welwyn, and Whitewood are also valid receipt points for the delivery points listed in Table 1.

5 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. 

 

Open Season & Bidding Procedure Highlights

  • Bids must be received by TransCanada no later than 8:00 a.m. MST (Calgary time) each business day.
  • Term: Next Day start to October 31, 2025.
  • System Segment Capacity:
    • Some posted segments share common capacity.  A successful bid on one system segment may reduce the capacity on another system segment.
    • Any bids that pertain to common capacity will be evaluated together for allocation purposes.
    • Each capacity segment requested must be on an individual bid form
  • Conditional Bidding: STFT bids can be conditioned on another STFT bid
    • If an STFT bid is conditional on other STFT bids, and any of these STFT bids require a reduction to the maximum daily quantity, the maximum daily quantity for the other STFT bid will be reduced by the same percentage.
    • Please submit each set of conditional bids in a separate fax, to provide clarity on which bids are related.
  • Minimum Acceptable Quantity: May be specified by bidder in the event that prorating capacity is necessary
  • There are no Diversions, Alternate Receipt Points, or Renewal Rights with any STFT service
  • Transportation sales in the Daily Existing Capacity Open Season will affect the available capacity in this STFT Open Season
  •  Please note that the STFT bid floor percentage is applied only to the applicable Daily Demand Toll for FT service and not applied to the Rate Riders, abandonment surcharge or pressure charge.

How to Bid

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. MST (Calgary time) each business day.

Questions

If you have any questions, please contact your Marketing Representative.

 

Calgary

 

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

 

Jim Tran

Phone: 1.403.920.5181

Email: jim_tran@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

 

Appendix

LINKS to Additional Information: