Enbridge, Line 5 Foes Argue Tunnel Plan Before Michigan Supreme Court

Enbridge, Line 5 foes argue tunnel plan before Michigan Supreme Court

The court will soon decide whether state regulators acted properly when they granted key permits for the proposed Line 5 tunnel. It's one of several imminent decisions that could decide the fate of the controversial oil pipeline in the Great Lakes.

Michigan Supreme Court hears Line 5 review case as opponents challenge tunnel project approval

Attorney Riyaz Kanji at a press conference following arguments in the Michigan Supreme Court over the Michigan Public Service Commission's decision to permit Enbridge's Line 5 tunnel project. March 11, 2026 | Photo by Kyle Davidson/Michigan Advance.A key permit from state energy regulators approving Enbridge’s Line 5 tunnel project sat before the Michigan Supreme Court on Wednesday as the justices heard two cases arguing the permit should be sen…

Michigan Supreme Court hears challenge to Line 5 pipeline tunnel permit

LANSING — Michigan’s approval of construction to replace part of the Line 5 oil pipeline and put it in a tunnel beneath the Straits of Mackinac lakebed is being challenged in the state Supreme Court, which is considering whether energy regulators adequately took into account the project’s environmental impacts. Justices... Please login to read all 719 words.

Legal fights continue as reroute of Line 5 pipeline begins

Catch the latest energy news from around the region. Check back for these monthly Energy News Roundups. The disputed reroute of the Line 5 pipeline is officially underway. Energy company Enbridge started clearing trees in late February for a segment of pipeline planned to go around the Bad River Reservation, almost seven years after the Bad River Band of Lake Superior Chippewa sued to have the pipeline removed from its land. The tribe has fought…

Lawsuit over Enbridge Energy’s Line 5 reaches the Supreme Court

March 10, 2026 | Owen Gorter, Saar Bar-Ziv · The court is not deciding whether the pipeline should shut down. Instead, it is deciding whether Michigan Attorney General Dana Nessel’s lawsuit should be handled in state court or federal court.