massoutage

2023 Wisconsin Power Outage Report

In 2023, the average Wisconsin customer went without power for about 3.4 hours — the 30th worst of any US state that year, 1.0× the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
3.4
Peak customers out
89,708
Rank (worst state)
30th
Counties affected
20

Wisconsin outages over the decade

Average hours without power per customer, 2023 highlighted.

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

Hardest-hit Wisconsin counties in 2023

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

1Milwaukee County89,7082Racine County45,3103Waukesha County23,5274Dane County16,7855Walworth County15,0766Kenosha County13,0677Jefferson County12,9048Vilas County11,4239St. Croix County11,30210Washington County10,10911Sauk County9,93512Ozaukee County9,69913Dodge County9,46214La Crosse County9,32715Adams County9,12316Oneida County8,67117Eau Claire County8,66818Marathon County8,44819Marinette County6,05620Winnebago County5,856

Biggest Wisconsin outages of 2023

CountyBeganPeak customers out
Milwaukee CountyMarch 10, 202389,708
Racine CountyFebruary 22, 202345,310
Milwaukee CountyJune 25, 202328,030
Milwaukee CountyJuly 27, 202324,016
Waukesha CountyJuly 29, 202323,527
Racine CountyMarch 9, 202319,307
Waukesha CountyJune 25, 202317,105
Dane CountyJuly 29, 202316,785
Walworth CountyFebruary 22, 202315,076
Kenosha CountyFebruary 22, 202313,067
Wisconsin by year:20252024202220212020201920182017
Other states in 2023:MEMIKYOKARWV

Part of the 2023 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.