massoutage

2018 Michigan Power Outage Report

In 2018, the average Michigan customer went without power for about 10.0 hours — the 8th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
10.0
Peak customers out
170,309
Rank (worst state)
8th
Counties affected
20

Michigan outages over the decade

Average hours without power per customer, 2018 highlighted.

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

Hardest-hit Michigan counties in 2018

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

1Wayne County170,3092Oakland County70,9853Macomb County36,6144Washtenaw County27,7145St. Clair County25,1326Kent County23,4927Genesee County21,0998Monroe County18,0709Lapeer County15,40610Berrien County14,68911Sanilac County13,30312Roscommon County12,05613Saginaw County11,25514Huron County10,43215Kalamazoo County9,62716Isabella County9,42717Gladwin County8,16118Arenac County8,08919Clare County8,00420Mason County7,525

Biggest Michigan outages of 2018

CountyBeganPeak customers out
Wayne CountyApril 15, 2018170,309
Oakland CountyApril 15, 201870,985
Wayne CountyApril 9, 201860,204
Macomb CountyApril 29, 201836,614
Washtenaw CountyApril 12, 201827,714
St. Clair CountyMay 4, 201825,132
Kent CountyAugust 26, 201823,492
Genesee CountyMay 4, 201821,099
Wayne CountyMarch 2, 201820,906
Oakland CountyMarch 2, 201820,500
Michigan by year:20252024202320222021202020192017
Other states in 2018:NCVAWVMARIVT

Part of the 2018 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.