massoutage

2025 Michigan Power Outage Report

In 2025, the average Michigan customer went without power for about 12.9 hours — the 2nd worst of any US state that year, 1.1× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
12.9
Peak customers out
51,658
Rank (worst state)
2nd
Counties affected
20

Michigan outages over the decade

Average hours without power per customer, 2025 highlighted.

6.8h20152.0h20166.0h201710.0h201812.7h20199.8h202026.6h202110.5h202226.5h20238.5h202412.9h2025

Hardest-hit Michigan counties in 2025

By peak customers out during the year's worst event.

1Kalamazoo County51,6582Ingham County35,8473Genesee County24,4174Kent County24,3245Muskegon County22,6396Calhoun County21,8897Cheboygan County20,2568Berrien County19,7519Van Buren County19,20310Houghton County18,34811Otsego County17,91212Emmet County17,24813Clare County16,36814Ottawa County15,74815Oakland County14,05616Allegan County14,04217Saginaw County13,82918Marquette County12,91919Charlevoix County12,10820Cass County11,912

Biggest Michigan outages of 2025

CountyBeganPeak customers out
Kalamazoo CountyMay 15, 202551,658
Ingham CountyMay 16, 202535,847
Genesee CountyMarch 30, 202524,417
Kent CountyMarch 30, 202524,324
Genesee CountyMay 15, 202522,767
Muskegon CountyMay 16, 202522,639
Calhoun CountyMay 15, 202521,889
Cheboygan CountyMarch 29, 202520,256
Berrien CountyMay 16, 202519,751
Van Buren CountyMay 16, 202519,203
Michigan by year:20242023202220212020201920182017
Other states in 2025:WVAKPANCMOVA

Part of the 2025 US Power Outage Report. Source: DOE/ORNL EAGLE-I. “Avg hours per customer” is a SAIDI-like measure (outage customer-minutes ÷ tracked customers); coverage varies by year.