Great Lakes Gas Transmission is a 3,404km-long onshore pipeline project operated by TC Energy. This gas pipeline, with a maximum diameter of 36 inches, starts at Manitoba (Canada) and ends in Michigan (the US).

The Great Lakes Gas Transmission project started operations in 1967 and is owned by TC Energy.

The Great Lakes Gas Transmission project is associated with the 14082km Canadian Mainline System.

About TC Energy

TC Energy Corporation (TC Energy) is an energy infrastructure company. It develops and operates energy infrastructure, such as natural gas pipelines, liquids pipelines, power generation and gas storage facilities. The company also provides gas storage related services and operates in the regulated and non-regulated natural gas storage business. TC Energy owns and operates natural gas pipelines in Canada, the US and Mexico. The company conducts wholesale and retail electricity marketing and trading in Alberta, Ontario and the US. It is also the general partner of TC PipeLines, LP a limited partnership that owns interests in the US- based natural gas pipelines. TC Energy is headquartered in Calgary, Alberta, Canada.


Information on the pipeline is sourced from GlobalData’s Oil & Gas Pipelines database that provides detailed information on all active and upcoming, crude oil, natural gas, petroleum products and Natural Gas Liquids (NGL) trunk pipelines globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.