Extending from New York state to the Midwest and Southeast, TC Energy’s Columbia Gas Transmission system moves the natural gas relied upon by millions of Americans for their energy and heating needs.

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.

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

Keystone - 2022 Notice of Shipment Due dates

With thousands of employees and contractors at field sites throughout North America, preventing accidents and injuries is a critical task. Learn more about the steps we take.

TransCanada Corp. announced that its wholly-owned subsidiary NOVA Gas Transmission Ltd. (NGTL) has reached a settlement with shippers and other interested parties regarding the NGTL System annual revenue requirement for the years 2013 and 2014.

TC Energy is committed to building and maintaining positive relationships with Indigenous groups based on respect.