Undergrounding pilot program in Michigan proves effective against severe weather

Record-breaking severe weather has swept across the state of Michigan during the first half of 2025. While these storms have left a path of destruction, Consumers Energy has achieved early successes from its underground power line pilot program. Initial data shows that areas included in the 9-mile pilot experienced fewer outages and improved overall system reliability compared to overhead-line service areas.

Buried power lines are better protected from common outage causes, including lightning, high winds, tornadoes, heavy snow, ice and falling tree limbs. Launched in 2024, the pilot program is a part of Consumers Energy's long-term plans to move more power lines underground, bolstering the company's infrastructure.

"We are seeing clear, measurable benefits from this pilot program," said Chris Laird, Consumers Energy's vice president of electric operations. "Not only have we improved reliability for our customers, but we've also reduced emergency repair costs and enhanced public safety."

The pilot program targeted circuits that have frequent, lengthy outages and are in areas with dense trees in Genesee, Livingston, Allegan, Ottawa, Montcalm, and Iosco counties.

"In order for us to continue growing, we need reliable power," said Allegan County Commissioner Scott Beltman. "Consumers Energy is really stepping up to the plate to make (our county) reliable for our residents to live and prosper here."

Underground lines currently make up about 15% of all Consumers Energy electric lines, most being in subdivisions and areas with high population density. Burying lines improves reliability by 90% or more. In the next 5 years, the company aims to bury over 1,000 miles of line, subject to regulatory approval. As part of this expansion, Consumers Energy has requested to bury an additional 50 miles of overhead power lines beginning in mid-2026.

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