Gas Transmission Northwest (GTN) is a 1,377-mile (2,216-km) pipeline system that transports Canadian natural gas to communities in Washington, Idaho, Oregon and California.

The map depicts pipeline locations for Columbia Gas Transmission in northeastern United States.

Our emergency response has concluded, and we are focused on undertaking repairs, restoration and clean-up.

Stretching 305 miles (491 km) from Oregon across California and into Nevada, the Tuscarora pipeline delivers natural gas from the Western Canada Sedimentary Supply, the Rocky Mountains and US basins to communities in California and Nevada.

CALGARY, ALBERTA--(Marketwired - Dec. 1, 2015) - TransCanada Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) announced today that its wholly-owned subsidiary NOVA Gas Transmission Ltd. (NGTL) has reached an agreement with customers and other interested parties on the annual costs, inc...

CALGARY, ALBERTA--(Marketwired - June 14, 2017) - News Release - TransCanada Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) announced today that it will move forward with a new $2 billion expansion program on its NOVA Gas Transmission Ltd. (NGTL) System, based on new contracted custo...

CALGARY, ALBERTA--(Marketwired - Nov. 4, 2014) - TransCanada Corporation (TSX:TRP) (NYSE:TRP) (TransCanada) announced today that its wholly-owned subsidiary, NOVA Gas Transmission Ltd. (NGTL), will contract approximately 4.0 billion cubic feet per day (Bcf/d) of firm new contracts th...

Located in West Virginia, Hardy Gas Storage can hold up to 20 billion cubic feet of natural gas.