PowerOutageHistory
Reliability Grade
B
Better than average
2014-2025
Illinois

Champaign CountyPower Outage History

20142025 · Illinois
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What this grade means

Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.

Takeaway
Lower-than-average outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide79th pct
In Illinois#23 of 102
See full Illinois rankings →
Total events
715
Recorded 2014–2025
Avg duration
2.1 hrs
Per outage event
Longest outage
119 hrs
Single worst event on record
Customers served
119,171
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jun 29, 2023119 hrs30,548 (26%)Drought
Jul 16, 202431 hrs9,622 (8%)Thunderstorm Wind
Jun 30, 201913 hrs8,370 (7%)Thunderstorm Wind
Aug 11, 20255 hrs5,900 (5%)Unnamed event
May 19, 20203 hrs5,692 (5%)Unnamed event

Was There an Outage on a Specific Date?

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

Over the 12 years from 2014 to 2025, Champaign County recorded 715 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Champaign County started June 29, 2023 (Drought), lasting 119 hours and leaving up to 30,548 customers without power (26% of the county) at its peak.

June has historically been the worst month for outages in Champaign County, with 100 events recorded during that month across the dataset.

Based on this history, Champaign County earns a Reliability Grade of B, placing it in the 79th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Illinois

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

CountyGradeNational percentile
Cook CountyB79th
Henry CountyB78th
Kane CountyB79th
Montgomery CountyA80th
DuPage CountyA80th

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 Champaign County?

Between 2014 and 2025, Champaign County recorded 715 outage events, averaging 2.1 hours each.

What is Champaign County's reliability grade?

Champaign County has a Reliability Grade of B, in the 79th national percentile.

What was the worst power outage in Champaign County?

The worst outage on record started June 29, 2023 (Drought), lasting 119 hours and affecting up to 30,548 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.