Natural Gas

TransCanada's network of approximately 90,300 kilometres (56,100 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
ANR Pipeline Bison Pipeline
Canadian Mainline Columbia Gas Transmission
Crossroads Pipeline Columbia Gulf Transmission
Guadalajara Gas Transmission Northwest
Foothills System Great Lakes Gas Transmission LP
Guadalajara Iroquois Gas Transmission System
NGTL System Millennium Pipeline
Tamazunchale North Baja
  Northern Border Pipeline Company
  Portland Natural Gas Transmission System
  Trans Québec and Maritimes Pipeline (TQM)
  Tuscarora Gas Transmission

 

Wholly Owned Pipelines

Canadian Pipelines

Canadian Mainline

  • 14,114 km (8,770 miles)
  • Transports natural gas from the Alberta/Saskatchewan border and the Ontario/U.S. border to serve eastern Canada and interconnects to the U.S.

Foothills System

  • 1,241 km (771 miles)
  • Transports natural gas from central Alberta to the U.S. border for export to the U.S. Midwest, Pacific northwest, California and Nevada

NGTL System

  • 24,544 km (15,251 miles)
  • Receives, transports and delivers natural gas within Alberta and B.C.
  • Connects with the Canadian Mainline, Foothills system and third-party pipelines

U.S. Pipelines

ANR Pipeline

  • 9,388 miles (15,109 km)
  • Transports natural gas from supply basins to markets throughout the mid-west and south to the Gulf of Mexico
  • Also owns and operates ANR Storage, regulated underground natural gas storage facilities in Michigan, with a total capacity of 250 billion cubic feet (Bcf)

Crossroads Pipeline

  • 202 miles (325 km)
  • Crossroads Pipeline is a 202-mile interstate natural gas pipeline operating in Indiana and Ohio. Crossroads Pipeline has multiple inter-connects
  • Mexican Pipelines

    Guadalajara

    • 315 km (196 miles)
    • Transports natural gas from Manzanillo, Colima to Guadalajara, Jalisco, Mexico

    Tamazunchale

    • 365 km (227 miles)
    • Transports natural gas from Naranjos, Veracruz in east central Mexico to Tamazunchale, San Luis Potosi and on to to El Sauz, Queretaro

    Partially Owned Pipelines

    Canadian Pipelines

    Trans Québec and Maritimes Pipeline (TQM)

    • 572 km (355 miles)
    • Connects with Canadian Mainline near the Ontario/Québec border to Maritimes (TQM) transport natural gas to the Montréal to Québec City corridor, and connects with the Portland pipeline system that serves the northeast U.S.
    • TransCanada owns 50 per cent
    • Operated by TransCanada

    U.S. Pipelines

    Bison Pipeline

    • 303 miles (488 km)
    • Transports natural gas from the Powder River Basin in Wyoming to Northern Border in North Dakota
    • TransCanada effectively owns 28 per cent of the system through our interest in TC PipeLines, LP
    • Operated by TransCanada

    Columbia Gas Transmission

    • 11,272 miles (18,141 km)
    • Transports an average of three billion cubic feet of natural gas per day through a pipeline network and 92 compressor stations in 10 states, serving hundreds of communities
    • Includes one of North America’s largest underground natural gas storage systems, which includes 35 storage fields in four states with over 286 billion cubic feet of working gas storage capacity
    • TransCanada effectively owns 91.6 per cent of the system
    • Operated by TransCanada

    Columbia Gulf Transmission

    • 3,341 miles (5,377 km)
    • Interstate pipeline system located primarily in Louisiana, Mississippi, Tennessee and Kentucky
    • TransCanada effectively owns 91.6 per cent of the system
    • Operated by TransCanada

    Gas Transmission Northwest

    • Transports natural gas from the Western Canadian Sedimentary Basin and Rocky Mountain to (GTN) Washington, Oregon, and California
    • 1,377 miles (2,116 km)
    • Connects with Tuscarora and Foothills
    • GTN is operated by a subsidiary of TransCanada Corporation
    • TransCanada effectively owns 28 per cent of the system through our interest in TC PipeLines, LP

    Great Lakes Gas Transmission Limited Partnership (GLGT)

    • 2,115 miles (3,404 km)
    • Connects with the Canadian Mainline near Emerson, Man., and St. Clair, Ont., plus interconnects with ANR at Crystal Falls and Farwell in Michigan, to transport natural gas to Eastern Canada, and the U.S. upper Midwest
    • TransCanada effectively owns 66.6 per cent of the system through the combination of a 53.6 per cent direct ownership interest and a 28 per cent interest in TC PipeLines, LP
    • Operated by TransCanada

    Iroquois Gas Transmission System

    • 416 miles (669 km)
    • Connects with Canadian Mainline near Waddington, N.Y., to deliver natural gas to customers in the U.S. northeast
    • TransCanada owns 44.5 per cent

    Millennium Pipeline

    • 235 miles (407 km)
    • Jointly sponsored by subsidiaries of Columbia, National Grid and DTE Energy
    • TransCanada effectively owns 43.5 per cent of the system

    North Baja

    • 86 miles (138 km)
    • Transports natural gas between Arizona and California
    • Connects with a third-party pipeline on the California/Mexico border
    • North Baja is operated by a subsidiary of TransCanada Corporation
    • TransCanada effectively own 28 per cent of the system through our interest in TC PipeLines, LP

    Northern Border Pipeline Company

    • 1,407 miles (2,264 km)
    • Transports WCSB and Rockies natural gas with connections to Foothills and Bison to U.S. Midwest markets
    • TransCanada effectively owns 14 per cent of the system through a 28 per cent interest in TC PipeLines, LP

    Portland Natural Gas Transmission System (PNGTS)

    • 295 miles (475 km)
    • Connects with TQM near East Hereford, Qué., to deliver natural gas to customers in the U.S. northeast
    • PNGTS is operated by a subsidiary of TransCanada Corporation
    • We effectively own 25.8 per cent of the system through the combination of 11.8 per cent direct ownership and our 28 per cent interest in TC PipeLines, LP

    Tuscarora Gas Transmission

    • 305 miles (491 km)
    • Transports natural gas from the GTN System at Malin, Oregon., to Wadsorth, Nevada
    • Delivery points in northeastern California and northwestern Nevada
    • Tuscarora is operated by a subsidiary of TransCanada Corporation
    • TransCanada effectively owns 28 per cent of the system through our interest in TC PipeLines, LP

Related Information

Pipeline Retirement

TransCanada believes in responsible management of our assets during their entire lifecycle.


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