massoutage

2018 Wisconsin Power Outage Report

In 2018, the average Wisconsin customer went without power for about 1.7 hours — the 44th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.7
Peak customers out
19,306
Rank (worst state)
44th
Counties affected
20

Wisconsin outages over the decade

Average hours without power per customer, 2018 highlighted.

1.5h20151.9h20162.9h20171.7h20184.4h20191.8h20204.7h20214.6h20223.4h20234.6h20243.9h2025

Hardest-hit Wisconsin counties in 2018

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

1Milwaukee County19,3062Racine County13,2073Kenosha County12,9684Winnebago County12,7575Sheboygan County9,9096Fond du Lac County9,5917Oneida County8,6418Washington County8,5059Dane County6,81610Outagamie County6,61611Brown County6,43512Marquette County5,52013Waukesha County5,50414Jefferson County5,47215Walworth County5,36916Adams County4,39317Dodge County4,35818Chippewa County4,12519Vilas County4,07320Door County3,802

Biggest Wisconsin outages of 2018

CountyBeganPeak customers out
Milwaukee CountyMay 8, 201819,306
Milwaukee CountyJune 18, 201816,452
Milwaukee CountyDecember 4, 201815,803
Milwaukee CountyJune 30, 201815,254
Racine CountyNovember 28, 201813,207
Kenosha CountyJanuary 4, 201812,968
Winnebago CountyMay 16, 201812,757
Racine CountyOctober 11, 201810,610
Milwaukee CountySeptember 19, 201810,254
Sheboygan CountyAugust 28, 20189,909
Wisconsin 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.