Who We Are

TC PipeLines, LP is a United States growth-oriented Master Limited Partnership (MLP). It was formed by TransCanada PipeLines Limited to acquire, own and actively participate in the management of United States based natural gas pipelines and related assets.

TC PipeLines, LP owns a 50 per cent interest in Northern Border Pipeline Company, which owns a 1,249-mile interstate pipeline system that transports natural gas from the Montana-Saskatchewan border to markets in the midwestern United States. It also owns or controls a 99 per cent interest in Tuscarora Gas Transmission Company, which owns a 240-mile interstate pipeline system that transports natural gas from Oregon, where it interconnects with TransCanada's GTN System, to northern Nevada. The third investment is a 46.45 per cent interest in Great Lakes Gas Transmission Limited Partnership, which owns a 2,115-mile interstate pipeline system that transports gas from Emerson on the Manitoba-Minnesota border to St. Clair on the Michigan-Ontario border.

Our general partner is TransCanada, one of the largest energy services companies in North America, and the largest in Canada. TransCanada is focused on natural gas transmission and power. TransCanada's network of approximately 36,500 miles of pipeline transports the majority of Western Canada's natural gas production to the fastest growing markets in Canada and the United States. TransCanada is the operator of all three of our pipeline systems.

Common units of TC PipeLines, LP are quoted on the Nasdaq Stock Market and trade under the symbol TCLP.