Gas Transmission Northwest (GTN) is a 1,377-mile (2,216-km) pipeline system that transports Canadian natural gas to communities in Washington, Idaho, Oregon and California.

NOVA Gas Transmission Ltd. (NGTL) Grand Prairie Mainline Loop No. 4 (Valhalla North Section) and Berland River Compressor Station C3 Unit Addition (Project) Project Notification

Transitioning Prince Rupert Gas Transmission entities to buyers. TC Energy enters agreement to sell PRGT entities to Nisga’a Nation and Western LNG.

The 305-mile (491-km) Tuscarora Gas Transmission System delivers natural gas from the Western Canadian Sedimentary Basin, the Rocky Mountains and other US basins to communities in California and Nevada. 

tce-CPHC-Financial-Statements-Q1-2025.pdf

Great Lakes Gas Transmission is a 2,115-mile (3,404-km) natural gas pipeline system that transports Canadian natural gas to the U.S. Midwest.

Iroquois is a 414-mile (666-km) interstate natural gas pipeline system that extends from the Canadian border to Commack and the Bronx, NY.

tce-CPOC-Financial-Statements-Q1-2025.pdf