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.

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.

2025-tcpl-financial-statements.pdf

This document is a comprehensive report on a company's activities throughout the preceding year.

Every year, our CEO and Board Chair share their views on the health of our business and their outlook for the future in an open letter to shareholders in our annual report. Here are highlights from their 2021 letter, released today.