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2022 Illinois Power Outage Report

In 2022, the average Illinois customer went without power for about 1.6 hours — the 46th worst of any US state that year, below the state's decade average. Figures from DOE/ORNL EAGLE-I.

Avg hrs / customer
1.6
Peak customers out
67,114
Rank (worst state)
46th
Counties affected
20

Illinois outages over the decade

Average hours without power per customer, 2022 highlighted.

2.3h20151.5h20161.4h20172.5h20181.8h20195.9h20202.3h20211.6h20224.0h20233.0h20242.5h2025

Hardest-hit Illinois counties in 2022

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

1Cook County67,1142Madison County24,5933DuPage County9,1564Knox County8,5725Kankakee County7,5746Kane County6,9057McLean County6,8748Peoria County6,5399Clinton County6,43210Macoupin County6,12511McHenry County6,07412Vermilion County6,02713Rock Island County5,92114Will County5,60115Piatt County5,27716Livingston County4,90017St. Clair County4,77518Lake County4,57119Fayette County4,19120Williamson County4,140

Biggest Illinois outages of 2022

CountyBeganPeak customers out
Cook CountyJune 13, 202267,114
Cook CountyAugust 27, 202225,999
Madison CountyJanuary 2, 202224,593
Cook CountyNovember 2, 202222,803
Cook CountyAugust 11, 202222,093
Madison CountyJune 17, 202211,430
DuPage CountyJune 13, 20229,156
Knox CountyMarch 6, 20228,572
Cook CountyMarch 4, 20227,650
Kankakee CountyAugust 3, 20227,574
Illinois by year:20252024202320212020201920182017
Other states in 2022:MENCFLWVVTAK

Part of the 2022 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.