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Mainline Enhancement Program - U.S.

Enbridge Energy Partners, L.P., through its affiliate, Enbridge Energy, Limited Partnership, ("Enbridge") is proposing a series of pump station and terminal upgrades as an expansion of its crude oil mainline pipeline system, known as the Lakehead System, which transports North American crude oil from Canada, Montana, and North Dakota to refineries in the Great Lakes region and beyond between the U.S./Canadian border near Neche, N.D., and Enbridge's Flanagan Terminal near Pontiac, Ill. The Mainline Enhancement Program is designed to expand access to refinery markets in the U.S. Midwest and beyond for growing North American crude oil production by adding pumping capacity to its existing pipelines known as Line 61 and Line 67. The expansions complement Enbridge’s ongoing efforts to meet North America's needs for reliable and secure transportation of petroleum energy supplies.

The Mainline Enhancement Program is another positive step toward North America energy security.

  • Line 67 Upgrade Project: A proposed project to upgrade existing pump stations inMinnesota.
    • Project Overview for Line 67 Upgrade Phases 1 and 2 (from April 2013)
    • Phase I of the Line 67 Upgrade Project
    • Phase II of the Line 67 Upgrade Project
    • Pump Station Information
  • Line 61 Upgrade Project: A proposed project to construct and modify pump stations in Wisconsin and Illinois.
    • Project Overview for Line 61 Upgrade Phases 1 and 2
    • Phase 1 of the Line 61 Upgrade Project
    • Phase 2 of the Line 61 Upgrade Project

Enbridge Companies


Enbridge Gas Distribution

Canada's largest gas distribution company. Serving 1.9 million customers in Ontario, Quebec and New York State.

Enbridge Gas New Brunswick

Enbridge Gas New Brunswick

Distributing natural gas to institutional, commercial, industrial and residential customers across nine New Brunswick communities.

ENB company image

Enbridge Inc.

Enbridge Inc. (ENB) is a publicly-traded corporation on the New York and Toronto stock exchanges.

Enbridge U.S.

Enbridge's U.S. operations - a leader in energy transportation in the Midwest, Mid-Continent and Gulf Coast regions of the United States.

Enbridge Energy Partners

A U.S. master limited partnership with oil and gas delivery assets.

Enbridge Income Fund Holdings

Enbridge Income Fund Holdings

Enbridge Income Fund Holdings Inc. (EIFH) is a publicly-traded Canadian Corporation that invests in low-risk energy infrastructure assets.

Enbridge Technology

Provides pipeline and natural gas distribution consulting and training services internationally.

Midcoast Energy Partners

Midcoast Energy Partners

Midcoast Energy Partners (MEP) serves as EEP’s primary vehicle for owning and growing its natural gas and natural gas liquids (NGL) midstream business in the U.S.


Emergency Contacts

Pipeline Emergencies


Enbridge Pipelines Inc. (incl. Norman Wells Pipeline)
Enbridge Pipelines (Saskatchewan) Inc.
Enbridge Pipelines (Athabasca) Inc.

Natural Gas Emergencies in Ontario

Enbridge Gas Distribution Customers


Illinois, Indiana, Kansas, Michigan, Minnesota, Missouri, New York, Ohio, Eastern Oklahoma, Wisconsin, Pembina County, North Dakota:
1 (800) 858-5253

North Dakota, Eastern Montana, Polk County, Minnesota:
1 (888) 838-4545

Texas, Western Oklahoma, Mississippi, Arkansas:
1 (888) 650-8099

Louisiana, Gulf of Mexico:
1 (877) 548-1800

Western Montana (electric transmission line):
1 (888) 780-8831