TransCanada's network of more than 68,500 km (42,500 mi.) of wholly owned and partially owned natural gas pipelines taps into virtually all major gas supply basins in North America.
Wholly Owned Pipelines
- 24,522 km (15,237 mi.).
- Gathers natural gas for use within the province of Alberta.
- Delivers to provincial boundary points for connection with the Company's Canadian Mainline and Foothills natural gas pipelines and with the natural gas pipelines of other companies.
- 14,114 km (8,770 mi.).
- Extends from the Alberta/Saskatchewan border east to the Québec/Vermont border and connects with other natural gas pipelines in Canada and the U.S.
- 1,241 km (771 mi.).
- Carries natural gas for export from central Alberta to the U.S. border to serve markets in the U.S. Midwest, Pacific Northwest, California and Nevada.
- 16,121 km (10,017 mi.).
- Transports natural gas from primarily Texas and Oklahoma on its southwest leg and in the Gulf of Mexico and Louisiana on its southeast leg.
- System extends to markets located mainly in Wisconsin, Michigan, Illinois, Ohio and Indiana. Also connects with other natural gas pipelines, providing access to diverse sources of North American supply.
- Also owns and operates regulated underground natural gas storage facilities in Michigan with a total capacity of 250 billion cubic feet (Bcf).
- 310-kilometre (193-mile), 30-inch-diameter pipeline in the Mexican states of Jalisco and Colima
- Connects to an LNG regasification facility located near Manzanillo in the state of Colima on Mexico’s Pacific Coast
- Capacity to transport 500 million cubic feet of natural gas per day to a nearby Comisión Federal de Electricidad power plant and 320 million cubic feet per day to the Pemex-owned national pipeline system near Guadalajara in the state of Jalisco
- 130 km (81 mi.).
- Located in east central Mexico.
- Extends from the facilities of Pemex Gas near Naranjos, Veracruz, to an electricity generating station near Tamazunchale, San Luis Potosi.
- 966 km (600 mi.).
- A wholly owned subsidiary of ANR Pipeline Company.
- The pipeline system feeds into the eastern leg of ANR Pipeline.
- Transports natural gas and associated liquids from platforms in the Gulf of Mexico to processing facilities at or upstream of Patterson and Grand Chenier, Louisiana.
Partially Owned Pipelines
Great Lakes Gas Transmission Limited Partnership (GLGT)
- 3,404 km (2,115 mi.).
- Connects with the Canadian Mainline at Emerson, Manitoba, and serves markets in Central Canada and the midwestern U.S.
- TransCanada fully operates and effectively owns 67 per cent of the system through its 53.6 per cent direct ownership interest and its 28.9 per cent interest in TC PipeLines, LP.
Iroquois Gas Transmission System
- 666 km (414 mi.).
- Owned 44.5 per cent by TransCanada.
- Connects with the Canadian Mainline near Waddington, New York, and delivers natural gas to customers in the northeastern U.S.
- 138 km (86 mi.).
- Wholly owned by TC PipeLines, LP.
- Extends from a point near Ehrenberg, Arizona west into California and then extends south to a point near Ogilby, California where it connects with the Gasoducto Rosarito natural gas pipeline system on the U.S./Mexico border.
- TransCanada operates North Baja and effectively owns 28.9 per cent through its interest in TC PipeLines LP.
Northern Border Pipeline Company
- 2,265 km (1,407 mi.).
- Owned 50 per cent by TC PipeLines, LP.
- Serves the U.S. Midwest from a connection with Foothills near Monchy, Saskatchewan.
- TransCanada operates and effectively owns 14.5 per cent of the system through its 28.9 per cent interest in TC PipeLines, LP.
Portland Natural Gas Transmission System (PNGTS)
- 474 km (295 mi.).
- Owned 61.7 per cent by TransCanada.
- Connects with TQM near East Hereford, Québec, and delivers natural gas to customers in the northeastern U.S.
- Operated by TransCanada.
Trans Québec and Maritimes Pipeline (TQM)
- 572 km (355 mi.).
- Owned 50 per cent by TransCanada.
- Connects with the Canadian Mainline and transports natural gas from Montréal to Québec City in Québec, and connects with the Portland system.
- Operated by TransCanada.
Tuscarora Gas Transmission
- 491 km (305 mi.).
- Owned 100 per cent by TC PipeLines, LP.
- Transports natural gas from the GTN System at Malin, Oregon, to Wadsorth, Nevada, with delivery points in northeastern California and northwestern Nevada.
- TransCanada operates Tuscarora and its 28.9 per cent interest in TC PipeLines, LP gives TransCanada a 28.9 per cent ownership interest in the system.
- 487-kilometre (303-mile), 30-inch-diameter pipeline.
- Transports natural gas from the Powder River Basin in the U.S. Rockies to Compressor Station 6 on Northern Border Pipeline Company.
- Rockies natural gas can reach Midwest markets via Bison and Northern Border.
- TransCanada operates Bison and effectively owns 50.2 per cent of the system through its direct ownership interest and its 28.9 per cent interest in TC PipeLines, LP.
Gas Transmission Northwest
- 2,178 km (1,353 mi.).
- Links Foothills with Pacific Gas and Electric Company's California Gas Transmission System, with Williams Companies, Inc.'s Northwest Pipeline in Washington and Oregon, and with Tuscarora.
- TransCanada operates Gas Transmission Northwest and effectively owns 50.2 per cent of the system through its direct ownership interest and its 28.9 per cent interest in TC PipeLines, LP.
Keeping NGTL System, Canadian Mainline and Foothills System customers connected.
ANR Storage Company
TC PipeLines, LP
A limited partnership that owns interests in U.S. pipelines.
Our Pipeline Projects