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Natural Gas

TransCanada's network of more than 68,500 kilometres (42,500 miles) of wholly owned and partially owned natural gas pipelines taps into virtually all major gas supply basins in North America.
 

Wholly Owned Pipelines

Partially Owned Pipelines

NGTL System

Great Lakes Gas Transmission Limited Partnership

Canadian Mainline

Iroquois Gas Transmission System

Foothills System

North Baja

ANR

Northern Border Pipeline Company

Guadalajara

Portland Natural Gas Transmission System

Tamazunchale

Trans Québec and Maritimes Pipeline (TQM)

TC Offshore

Tuscarora Gas Transmission

  Bison Pipeline
  Gas Transmission Northwest

 

Wholly Owned Pipelines

NGTL System

  • 24,522 kilometres (15,237 miles)
  • 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

Canadian Mainline

  • 14,114 kilometres (8,770 miles)
  • 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.

Foothills System

  • 1,241 kilometres (771 miles)
  • 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

ANR

  • 9,400 miles (15,128 kilometres)
  • 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)

Guadalajara

  • 310 kilometres (193 miles)
  • 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

Tamazunchale

  • 365 kilometres (227 miles)
  • 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 and ends at a CFE combined-cycle power generating facility near El Sauz,Queretaro

TC Offshore

  • 600 miles (966 kilometres)
  • 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)

  • 2,115 miles (3,404 kilometres)
  • 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

  • 414 miles (666 kilometres)
  • Owned 44.5 per cent by TransCanada
  • Connects with the Canadian Mainline near Waddington, N.Y., and delivers natural gas to customers in the northeastern U.S.

North Baja

  • 86 miles (138 kilometres)
  • 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

  • 1,407 miles (2,265 kilometres)
  • Owned 50 per cent by TC PipeLines, LP
  • Serves the U.S. Midwest from a connection with Foothills near Monchy, Sask.
  • 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)

  • 295 miles (474 kilometres)
  • Owned 61.7 per cent by TransCanada
  • Connects with TQM near East Hereford, Qué., and delivers natural gas to customers in the northeastern U.S.
  • Operated by TransCanada

Trans Québec and Maritimes Pipeline (TQM)

  • 572 kilometres (355 miles)
  • 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 kilometres (305 miles)
  • 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

Bison Pipeline

  • 303 miles (487 kilometres)
  • 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

  • 1,353 miles (2,178 kilometres)
  • 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

        Related Information

        Customer Express

        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