Natural gas pipelines and processing



As the world transitions to a lower-carbon energy future, natural gas will play a vital role—as a replacement fuel for coal in electricity generation, a low-carbon source of home heating, a lower-emission fuel for heavy-duty vehicles and large transportation fleets, and a complement to the growth of renewable energy.

Enbridge is a major player in North America’s natural gas industry, with gathering, transportation, processing and storage facilities from Texas to Maine to Florida to British Columbia. We move about 20% of all natural gas consumed in the United States, serving key supply basins and demand markets.

Our natural gas operations include:

  • 34,410 miles (55,377 km) of gas pipelines;
  • 11.4 Bcf/d of processing capacity;
  • 307 MBbl/d of natural gas liquids (NGLs) production; and
  • 437 Bcf of storage.

Canadian midstream

Enbridge’s Canadian midstream operations, based in northeastern British Columbia and northwestern Alberta, connect one of the most important natural gas supply sources in North America—the Western Canadian Sedimentary Basin—with growing North American markets.

Since 1957, we have achieved a prominent market position in Western Canada through development projects and through the strategic acquisition of assets. We are well positioned to serve North America as well as emerging Asian markets.. Our midstream operations include:

  • A net processing capacity of about 760 million cubic feet per day (MMcf/d), and interests in 11 processing plants, through the former Spectra Energy Midstream;
  • An ownership interest in Aux Sable Canada assets, which include its Heartland Offgas Plant near Fort Saskatchewan, AB, and interests the Septimus and Wilder Gas Plants and Septimus Pipeline near Fort St. John, BC;
  • The Pipestone and Sexsmith gathering systems near Grande Prairie, AB;
  • The Cabin Gas Plant near Fort Nelson, BC; and
  • The Tupper Main and Tupper West gas plants and associated pipelines, near Dawson Creek, BC.

Our Western Canadian operations also include the 1,751-mile (2,818-km) BC Pipeline transmission system, stretching from Fort Nelson to the Canada-U.S. border at Huntingdon-Sumas; and the BC Field Services division, an integrated raw gas gathering and processing system with 1,400 miles (2,300 km) of raw gas gathering pipelines and 8 processing facilities.

DCP Midstream

DCP Midstream, headquartered in Denver, CO, is the largest producer of natural gas liquids and the largest natural gas processor in the United StatesDCP Midstream gathers, treats, compresses, processes, transports, markets and stores natural gas. Additionally, DCP Midstream produces, fractionates, transports, trades and markets natural gas liquids (NGLs).

DCP Midstream gathers raw natural gas through approximately 66,500 miles of gathering pipe and processes it through 64 owned or operated plants. Through DCP Midstream’s 12 fractionating facilities, the market leader separates NGLs from the raw natural gas and “fractionates” the liquids into its individual ethane, propane, butane and natural gasoline components.

DCP Midstream has a processing capacity of more than 8 billion cubic feet per day, natural gas storage capacity of 12 billion cubic feet, NGLs pipeline peak-day capacity of 0.522 billion barrels per day, NGLs storage capacity of 8 million barrels, and NGLs fractionation capacity of 0.184 billion barrels per day.

DCP Midstream’s footprint includes:

  • About 66,500 (107,100 km) of natural gas gathering lines in Alabama, Arkansas, Colorado, Kansas, Louisiana, Michigan, Oklahoma, New Mexico, Texas and Wyoming; LENGTH
  • Natural gas processing facilities in Alabama, Colorado, Kansas, Louisiana, Michigan, Oklahoma, New Mexico, Texas and Wyoming;
  • Natural gas storage facilities near Beaumont, Texas;
  • Natural gas liquids (NGLs) processing facilities in Alabama, Colorado, Kansas, Louisiana, New Mexico, Oklahoma and Texas;
  • About 4,600 miles (7,400 km) of natural gas liquids (NGLs) pipelines in Colorado, Kansas, Louisiana, Michigan, New Mexico, Oklahoma, Texas and Wyoming; and
  • Natural gas liquids (NGLs) storage in Michigan, with associated propane terminal locations in Maine, Massachusetts, New York, Pennsylvania, Vermont and Virginia.

DCP Midstream is a 50-50 joint venture between Enbridge Inc. and Phillips 66.


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U.S. gathering and processing

We transport natural gas thousands of miles across the United States through a complex network of gathering and transmission pipelines, designed to safely, quickly and efficiently transport natural gas from its origin to areas of high demand.

These assets include:

  • The Algonquin Gas Transmission pipeline;
  • The Anadarko System;
  • The Big Sandy Pipeline;
  • The East Tennessee Natural Gas pipeline;
  • The East Texas System;
  • The Gulfstream Natural Gas pipeline;
  • The Maritimes & Northeast Pipeline;
  • The North Texas System;
  • The Ozark Gas gathering and transmission system;
  • The Southeast Supply Header system;
  • The Texas Eastern Transmission system; and
  • The Texas Express NGL System.

View our interactive map to discover more about Enbridge's U.S. gathering and processing assets.

(Click on this link to see an overview of Enbridge's offshore pipeline assets in the Gulf of Mexico.)

Alliance Pipeline

Enbridge has an ownership interest in Alliance Pipeline, which transports liquids-rich natural gas from the Western Canadian Sedimentary Basin and the Williston Basin to the Chicago natural gas market hub. The Alliance system is ideally positioned to benefit from production growth in a number of liquids-rich natural gas shale plays, particularly the Montney and Duvernay in western Canada, as well as the Bakken in North Dakota.

View our interactive map to discover more about the 2,391-mile (3,848-km) Alliance Pipeline.

Aux Sable US

In the U.S., Enbridge has an ownership interest in natural gas assets, both upstream and downstream of the Alliance Pipeline, operated by Aux Sable U.S. They include:

Vector Pipeline

Enbridge has an ownership interest in Vector Pipeline, which connects with Alliance Pipeline and other pipelines near Chicago, and delivers natural gas to local distribution and end-user customers in Illinois, Indiana, Michigan and Ontario.

View our interactive map to learn more detailed information about Enbridge’s natural gas pipeline and processing assets.

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