Gas Transmission Northwest


Gas Transmission Northwest is a 1,353 mile (2,177, km) natural gas pipeline system that transports Canadian natural gas to communities in Washington, Oregon and California. With capacity to deliver as much as 2.9 billion cubic feet (Bcf) per day, Gas Transmission Northwest offers families and businesses in the Pacific Northwest and California a safe and reliable source of daily fuel for cooking, heating, air conditioning and more.

TransCanada operates Gas Transmission Northwest and effectively owns 26.8 percent of the pipeline through its interest in TC PipeLines, LP.

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1,353 miles (2,177 km) in length
12 compressor stations
Began operations in 1961