Index of Customers

An index of TransCanada's Mainline customers is included with the links below, please select either (PDF) format or (XLS).

Mainline Reports

All Mainline Mnemonics (July 2, 2025)
All Mainline Mnemonics (July 2, 2025)
Contract Demand Energy (July 2, 2025)
Contract Demand Energy (July 2, 2025)

Future Contract Demand Energy (July 2, 2025)
Future Contract Demand Energy (July 2, 2025)
Contract Expiries (July 2, 2025)
Contract Expiries (July 2, 2025)
STFT Contract Demand Energy

Mainline Contract Renewals

Mainline Expiry and Renewal Profile 2005 - 2013

Non Standard Contracts

Non Standard Contracts - Body (updated January 2, 2025)
Non Standard Contracts - Appendix (updated January 2, 2025)

Contacts

For questions regarding any of the above reports, please contact:

Kelsi Webb 1.403.920.5582
Mike McEwen 1.587.933.0783
mainline_contracting@tcenergy.com

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TC Energy Office

Phone: 1.403.920.2000
Toll-free: 1.800.661.3805

Emergency Numbers

Canada: 1.888.982.7222
United States: 1.800.447.8066
Portland Natural Gas Transmission System(PNGTS): 1.800.830.9865
Columbia Gas Transmission, Crossroads Pipeline,
Hardy Storage Company & Millennium Pipeline: 1.800.835.7191
Columbia Gulf Transmission: 1.866.485.3427
Columbia Midstream: 1.855.511.4942
Mexico: 01.800.111.3333

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