Portland Natural Gas Transmission System is a 302km-long onshore pipeline project operated by Portland Natural Gas Transmission System. This gas pipeline, with a maximum diameter of 24 inches, starts at New Hampshire (the US) and ends in Maine (the US).

The Portland Natural Gas Transmission System project started operations in 1999 and is owned by TC Energy, Enbridge, and others.

The Portland Natural Gas Transmission System project is associated with the 172km PNGTS–M&N.

About Portland Natural Gas Transmission System

Portland Natural Gas Transmission System (PNGTS), a subsidiary of TransCanada Corporation is a natural gas pipeline service provider. The company provides natural gas transportation service. It provides firm transportation service, interruptible transportation service, FT-FLEX firm transportation service, park and loan service. It connects pipeline in Canadian border and the maritimes and northeast pipeline at westbrook, maine. PNGTS provides services by protecting wetlands, archaeological sites and cultural areas, waterbodies, rare, threatened, and endangered species, aquifer systems and unique natural habitats. The company serves paper mills, gas utilities, and electric generation plants in New England. It operates in New England and eastern Canada. PNGTS is headquartered in Portsmouth, New Hampshire, the US.


Information on the pipeline is sourced from GlobalData’s Oil & Gas Pipelines database that provides detailed information on all active and upcoming, crude oil, natural gas, petroleum products and Natural Gas Liquids (NGL) trunk pipelines globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.