tc-operations-map-2025.pdf

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.

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.

With more than 30 storage locations in four states, Columbia Gas Transmission Storage has enough capacity to handle almost 630 billion cubic feet of natural gas.

TC Energy Lobbying Information Sheet

Located in West Virginia, Hardy Gas Storage can hold up to 20 billion cubic feet of natural gas.

FERC No. 16.1.0 – Zydeco Pipeline with Marketlink, LLC - Joint Tariff (effective March 1, 2022)

Marketlink transports shipments of U.S. crude oil from Cushing, Okla., to refineries in the U.S. Gulf Coast via the Keystone Pipeline System’s Gulf Coast extension. Delivery points include Sour Lake, Houston, and Port Arthur, Texas.