TC Energy Corporation is a major North American energy company, based in the TC Energy Tower building in Calgary, Alberta, Canada, that develops and operates energy infrastructure in Canada, the United States, and Mexico. The company operates three core businesses: Natural Gas Pipelines, Liquids Pipelines and Energy. The Natural Gas Pipeline network includes 92,600 kilometres of gas pipeline, which transports more than 25% of North American natural gas demand. The Liquids Pipelines division includes 4,900 kilometres of oil pipeline, which ships 590,000 barrels of crude oil per day, which is about 20% of Western Canadian exports. The Energy division owns or has interests in 11 power generation facilities with combined capacity of 6,600 megawatts. These power sources include nuclear and natural gas fired. The company is expanding its energy division to include more renewable sources including pumped storage, wind, and solar generation. The company was founded in 1951 in Calgary. The company's US headquarters is located in the TC Energy Center skyscraper in Houston, Texas. TC Energy is the largest shareholder in, and owns the general partner of, TC PipeLines. Wikipedia