TC Energy enters agreement to sell Columbia Midstream assets for US$1.275 billion Email Print Friendly Share July 02, 2019 21:15 ET | Source: TC Energy Corporation This growth was offset by a sales decline of 21% in its liquids pipeline business due to lower volumes. TC Energy/Columbia Gas Transmission Columbia Gas Transmission system transports an average of three billion cubic feet of natural gas per day through a 12,000-mile pipeline network and 103 compressor stations serving hundreds of communities in 10 states. TC Energy on Friday reaffirmed its commitment to the controversial Keystone XL pipeline and a 2023 startup date even after a federal judge yanked a key water permit in April. The company operates three core businesses: Natural Gas Pipelines, Liquids Pipelines and Energy. On March 31, 2020, TC Energy announced the details regarding the long-delayed Keystone XL pipeline (KXL), an $8.0 billion investment into the North American economy. Backed by the tremendous financial commitment from the Alberta government, this project now moves forward for the benefit of the province and all Canadians. TC Energy Corporation operates as an energy infrastructure company in North America. It operates through Canadian Natural Gas Pipelines, U.S. Natural Gas Pipelines, Mexico Natural Gas Pipelines, Liquids Pipelines, and Power and Storage segments. TransCanada Corporation is a major North American energy company, based in Calgary, Alberta in Canada, that develops and operates energy infrastructure in North America.