As a critical part of Canada’s energy network, TC Energy’s NGTL System connects natural gas from the Western Canadian Sedimentary Basin to the people, industries and communities that depend on safe, affordable and reliable energy every day.

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.

Learn more about Project details for Illinois, including schedule, map, technology, design, regulatory process, route selection, engagement, construction, benefits, environment and contact information.

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.

This brochure contains important safety information about natural gas pipelines, and you live or work near the Northern Border Pipeline, operated by TransCanada.

The TC Louisiana Intrastate Pipeline (TCLI) is an intrastate natural gas pipeline system that originates in Gillis, Louisiana and extends to various downstream Louisiana delivery points in Jefferson Davis parish.