Gas Transmission Northwest LLC

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Gas Transmission Northwest (GTN) is a 1,377-mile interstate natural gas pipeline system that transports Western Canadian Sedimentary Basin and Rocky Mountain-sourced natural gas to third-party natural gas pipelines and markets in Washington, Oregon, and California.

GTN has an average design capacity of 2,900 million cubic feet per day (MMcf/d).  GTN is also connected to the Tuscarora pipeline system, which is wholly-owned by TC PipeLines, LP.

GTN is operated by a subsidiary of TC Energy Corporation (TC Energy). TC PipeLines, LP owns 100 percent of GTN.

Quick Asset Facts:

  • Commenced Operations:  1961
  • Originates Near: Kingsgate, British Columbia, Canada
  • Terminates Near: Malin, OR
  • Length (miles): 1,377
  • Number of Compressor Stations: 12
  • Number of Active Physical Receipt / Delivery Points:  3 / 55
  • Installed Horsepower: 515,000
  • Design Capacity (MMcf/d): 2,900


Related Information

Ownership Structure

Tuscarora Conference

TC Energy Corporation

In the field

Our general partner, TC PipeLines GP, Inc., is wholly-owned by TC Energy Corporation (TC Energy), one of the largest energy infrastructure companies in North America