PowerOutageHistory
Reliability Grade
A
Top tier
2015-2025
Illinois

White CountyPower Outage History

20152025 · Illinois
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What this grade means

Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.

Takeaway
Low outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide88th pct
In Illinois#11 of 102
See full Illinois rankings →
Total events
288
Recorded 2015–2025
Avg duration
2.3 hrs
Per outage event
Longest outage
45 hrs
Single worst event on record
Customers served
10,603
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 20, 20228 hrs2,189 (21%)Thunderstorm Wind
Aug 18, 20254 hrs2,181 (21%)Unnamed event
Aug 5, 2021<1 hr1,944 (18%)Heat
Jan 5, 202545 hrs1,794 (17%)Winter Storm
May 8, 2016<1 hr1,639 (15%)Thunderstorm Wind

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for White County, Illinois that day.

Over the 11 years from 2015 to 2025, White County recorded 288 distinct power outage events, averaging 2.3 hours per event.

The single worst outage on record in White County started May 20, 2022 (Thunderstorm Wind), lasting 8 hours and leaving up to 2,189 customers without power (21% of the county) at its peak.

July has historically been the worst month for outages in White County, with 37 events recorded during that month across the dataset.

Based on this history, White County earns a Reliability Grade of A, placing it in the 88th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Illinois

Counties with the closest reliability grade and national percentile to White County.

CountyGradeNational percentile
Wayne CountyA88th
Richland CountyA87th
DeKalb CountyA89th
Effingham CountyA89th
Schuyler CountyA91st

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in White County?

Between 2015 and 2025, White County recorded 288 outage events, averaging 2.3 hours each.

What is White County's reliability grade?

White County has a Reliability Grade of A, in the 88th national percentile.

What was the worst power outage in White County?

The worst outage on record started May 20, 2022 (Thunderstorm Wind), lasting 8 hours and affecting up to 2,189 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.