Enbridge stands ready to build an underground tunnel to house Line 5, deep under the Straits of Mackinac. We believe our Great Lakes Tunnel Project is the best way to ensure continued energy supply in Michigan.

Line 5 is part of the Enbridge Lakehead System and passes under the environmentally sensitive Straits of Mackinac, which connect Lake Michigan to Lake Huron. The 30-inch pipeline carries 540,000 barrels (86,000 m 3) of synthetic crude, natural gas liquids, sweet crude, and light sour crude per day [1] as of 2013. [2]

Line 5 is an Enbridge pipeline that was built in 1953. The line runs for 645 miles from Wisconsin, under the Straits of Mackinac, through Michigan to Sarnia, Ontario. It was built to high safety standards, and Enbridge maintains Line 5 with regular inspections, and the introduction of new measures that help ensure the line

Dec 1, 2023 · Enbridge initially filed its application in April 2020 seeking siting approval under Act 16 of 1929 to replace and relocate the Line 5 section through the Straits of Mackinac into a new tunnel beneath the lakebed.

Find out how Enbridge safeguards the Great Lakes at our Line 5 Straits of Mackinac crossing, through a series of overlapping safety precautions. Learn more about Enbridge's $500-million Great Lakes Tunnel Project and our Line 5 pipeline, …

Dec 2, 2023 · During a heated public meeting full of emotional testimony, Michigan’s top energy regulator has granted Enbridge a permit to build a tunnel under the Straits of Mackinac, in an important — but not final — step in the controversial project’s approval process.

Dec 1, 2023 · The Michigan Public Service Commission ruled Enbridge could relocate Line 5 into a yet-to-be constructed tunnel beneath the Straits of Mackinac.

Luckily it hasn’t leaked in the Straits of Mackinac yet, but it could be any day now.” ... Mcbrearty said Michigan doesn’t really need line 5, but Enbridge said it provides 55% of Michigan ...

Jun 17, 2024 · The pipeline is 70 years old, and crosses from the Upper Penninsula to the Lower Penninsula through the Mackinac Straits. Native Americans, environmentalists and others say a pipeline rupture...

4 days ago · Enbridge, seeking to shut down Line 5 in the Straits of Mackinac, announced Michigan Attorney General Dana Nessel. The Department argued that the 1953 easement that authorized the location of Line 5 on the bottomlands of the Straits of Mackinac has been invalid since its inception because it violates the Public Trust Doctrine, and that the ...