Eight Republican lawmakers are imploring FERC to grant final approval to TC Energy Corp.’s proposed Gas Transmission Northwest, aka GTN Xpress, natural gas pipeline.

The long awaited project would add 150,000 Dth/d of capacity to TC’s GTN system, which serves the Pacific Northwest and Malin interconnect markets. 

GTN spans 1,377 miles and can supply up to 2.7 Bcf/d from resources in Western Canada and the Rocky Mountains to utilities, power generation facilities, and residential and commercial customers.

In a letter to the Federal Energy Regulatory Commission, the legislators, who represent California, Idaho, Oregon and North Dakota, urged commissioners to grant TC a certificate of public convenience and necessity (CPCN) for the expansion. 

GTN Xpress “is currently...