tc-operations-map-natural-gas-2026.pdf

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.

The 295-mile (475-km) Portland Natural Gas Transmission System spans New England from the Canadian border to pipeline connections in New Hampshire, Maine and Massachusetts.

Iroquois is a 414-mile (666-km) interstate natural gas pipeline system that extends from the Canadian border to Commack and the Bronx, NY.

CALGARY, Alberta, July 31, 2020 (GLOBE NEWSWIRE) -- News Release – TC Energy Corporation (TSX, NYSE: TRP) (TC Energy or the Company) announced today that its wholly-owned subsidiary, Columbia Gas Transmission, LLC (Columbia), filed a general Natural Gas Act Section 4 rate case with the U.S. Federal Energy Regulatory Commission (FERC). With this filing, Columbia’s first Section 4 rate case in over 20 years, Columbia is seeking to recover its prudently-incurred operating costs, a fair return on...

tce-tcp-lp-q4-2025-financials.pdf

tce-our-legacy-timeline-es.pdf

Natural gas powers homes, industries and economic growth across Wisconsin.