Alberta System Gas Pipeline

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Gas Pipelines in Canada

Transcanada Gas Pipelines

Pipeline News

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Summary Information

  • Source:
  • Destination:
  • Ownership: Transcanada
  • Website:
  • Length: 24,373 km (15,145 mi.)
  • Capacity: per day
  • Status: Operating


  • NGTL gathers natural gas for use within the province of Alberta. It is also known as the Alberta System Gas Pipeline
  • It delivers the gas to provincial boundary points for connection with the Company's Transcanada Canadian Mainline Gas Pipeline and Foothills System Gas Pipeline and with the natural gas pipelines of other companies
  • It is one of the largest systems in North America and gathers 66 per cent of the natural gas produced in Western Canada.
  • Merrick Mainline Pipeline Project
  • North Montney Mainline Project
    • The Project includes the construction and operation of new facilities and a 301 km sweet natural gas pipeline, 1066.8mm (42-inches) in diameter, connecting NGTL’s Groundbirch Mainline to the North Montney area in northeastern British Columbia. It would also connect to the proposed Prince Rupert Gas Transmission Pipeline and then to a future liquid natural gas plant on the west coast
    • Towerbirch Expansion Project
    • Addition of 87 km of pipeline and related facilities in northwest Alberta and northeast British Columbia


  • 2009 - The system comes under the regulatory oversight of the NEB
  • 2009 - Application for Groundbirch Pipeline to connect gas from BC to the system
  • 2010 - NEB approves Groundbirch Pipeline Project linking the system to gas from Montney Formation Gas Field
  • 2013 - A gas leak occurred 140 kilometres west of Fort McMurray
  • 2015 - NEB Recommends Approving the Wolverine River Lateral Loop Project
  • 2015 - North Montney Mainline Project approved

Other Information

  • -


  1. TransCanada pleased with NEB decision to federally regulate Alberta System
  2. National Energy Board receives application for Groundbirch Pipeline Project
  3. National Energy Board Approves NGTL Pipeline Project
  4. National Energy Board responds to gas pipeline rupture west of Fort McMurray, AB
  5. TransCanada to Proceed With $1.9 Billion Merrick Mainline Pipeline Project
  6. NEB Recommends Approving NGTL’s Wolverine River Lateral Loop Project
  7. NEB Recommends NGTL’s North Montney Mainline Project
  8. Funding available to participate in the NEB's hearing process for the NGTL Towerbirch Expansion Project

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