The 188-mile (303-km) Portland Natural Gas Transmission System spans New England from the Canadian border to pipeline connections in New Hampshire, Maine and Massachusetts. The system began operations in 1999 and is strategically located between three major pipeline networks originating in Canada and the Southern U.S.
TC Energy owns 61.7 percent of the Portland Natural Gas Transmission System. The remaining 38.3% is owned by Northern New England Investment Company Inc. (NNEIC). The pipeline includes 107 miles of jointly owned facilities with Maritimes & Northeast Pipeline and PNGTS owns 32 percent of the joint facilities.
For commercial information, visit ColumbiaPipeInfo.com.
For information on the related Portland XPress project, visit the project page.
Documents and maps
The Portland Natural Gas Transmission System is governed according to regulations outlined by the U.S. Federal Energy Regulatory Commission (FERC). It is also subject to rules and regulations of the Department of Energy (DOE) administered by the Pipeline and Hazardous Materials Safety Administration (PHMSA) and the Environmental Protection Agency (EPA).
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Head Office700 Louisiana StreetHouston, Texas 77002