Michigan Public Service Commission

A power outage affecting 400,000 DTE customers during the July 4 weekend sparked criticism from Democratic state Senate candidates and led to a Michigan Public Service Commission investigation. The outage, linked to a storm and a Marathon Petroleum refinery flaring event, caused community disruptions including carbon monoxide poisoning and food spoilage, with candidates demanding utility reforms.

A Michigan state law, Public Act 233, limits local governments' ability to reject large-scale renewable energy projects like solar and wind, shifting control to the Michigan Public Service Commission for projects over specific size thresholds. Communities in northern Michigan, including Wexford Township, are navigating the law’s impact as developers like Ranger Power propose projects, with residents expressing mixed feelings about the balance between state authority and local input.

Three of Michigan’s largest electric utilities—DTE, Consumers Energy, and Indiana Michigan Power Company—are under investigation by the Michigan Public Service Commission (MPSC) over their response to severe storms on July 3, which caused widespread outages. The MPSC received over 1,500 complaints about inaccurate restoration estimates and delays amid extreme heat. The utilities were ordered to submit detailed reports by August 2026 and update their extreme weather policies by October 2024.

State regulators approved two environmental permits for Enbridge Inc.’s Great Lakes Tunnel Project, allowing the company to replace a segment of Line 5 pipeline with a tunnel beneath the Straights of Mackinac. The permits include conditions to mitigate environmental impacts, but environmental groups argue the measures are insufficient to address risks of oil spills and ecological harm.

Michigan Gov. Gretchen Whitmer introduced a plan to ensure affordable and responsible data center growth, including consumer protections and a voluntary pledge for companies to cover costs and follow regulations. She urged lawmakers to codify safeguards into law, while environmental groups emphasized the need for enforceable legislation over pledges.

Michigan's Public Service Commission regulates utility rates, with DTE Energy and Consumers Energy seeking significant rate increases. Legislative bills aim to limit rate hikes to every three years and tie property tax changes to rate rollbacks. The MPSC's rate-setting process involves administrative law judges and public input through E-Docket.

Farmington Mayor Joe LaRussa advocates for long-term solutions to power outages with DTE and Michigan regulators, citing progress in reducing outage frequency and duration. A 2022 letter from the city council proposed measures like burying power lines, though regulations limit such efforts. The Michigan Public Service Commission has launched pilot programs to explore underground lines in areas like Ann Arbor.

Michigan families are advised to prepare for power outages by building emergency kits with non-perishable food, water, and flashlights, keeping refrigerators closed during outages, and planning for medical devices. Experts recommend being ready for at least 72 hours without power, emphasizing proactive preparation before storms arrive.

DTE Energy did not pay federal income taxes for the 12th consecutive year in 2025 despite reporting $1.54 billion in profits, citing tax breaks from infrastructure and clean energy investments. The company is seeking a 9.7% electric rate hike and has received hundreds of millions in tax cuts over the past decade.

ITC is seeking public input for a new 50-mile power line project connecting Oneida Township to Cohoctah Township in Michigan as part of a broader $21.8 billion transmission expansion plan. The project requires regulatory approval and community engagement, including public meetings and landowner consultations, with a preferred route to be finalized by 2027.

Consumers Energy has requested a $456 million rate increase and a $25 million 12-month surcharge from the Michigan Public Service Commission. Michigan Attorney General Dana Nessel has announced her office will intervene, criticizing the request as inflated and highlighting concerns about rising energy costs and utility profits.