FERC Keystone Tariff Index – September 1, 2021

The map depicts where Columbia Gulf Transmission gathers gas in the Gulf of Mexico and brings it to Columbia Gas Transmission. It is one of the principal interstate pipelines running in the western segment of the Southwest-to-Northeast corridor for gas supply.

Stretching 3,340 miles (5,375 km), Columbia Gulf connects to virtually every major pipeline in the U.S. Gulf Coast and to additional Midwestern lines.

In Kentucky and across the continent, TC Energy connects homes and businesses to the energy they need. Through our one-of-a-kind network of natural gas assets, we seamlessly move, generate and store energy and deliver it where it is needed most.