More than a century ago, in the Appalachian hills, a small gas company set out to change how energy was delivered across the United States.

TCEnergy-Saskatchewan-Tier3-Emergency-Response-Plans.pdf

Connecting to virtually every major pipeline in the U.S. Gulf Coast and additional Midwestern lines, TC Energy’s Columbia Gulf Transmission System (CGT) ensures energy reaches where it’s needed most, adapting to evolving energy demands and shifting environmental priorities.