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.

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.

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At TC Energy, we are committed to building long-lasting partnerships that strengthen and uplift our local communities.

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