Power outages in DeKalb County, IL
We don't have a live outage feed for the utilities serving DeKalb County yet. Commonwealth Edison Co serves this county.
Right now
No live outage data for DeKalb County yet.
Commonwealth Edison Cono live feedServes this county, per federal utility records.
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This utility doesn't publish outage data we can read automatically, so it isn't in our totals. Its own outage map has its current outages.i
From EIA Form 861, the U.S. Energy Information Administration's yearly survey of every electric utility and the areas it serves.Outage map
County outline
Outage history in DeKalb County
2014–2025 recordDeKalb County averaged 5 significant outages a year in 2023–2025, fewer than most Illinois counties.
In the 12 months to December 2025, there were 6. Half were over within 30 minutes; the longest lasted 4 hours, starting August 16, 2025.
The largest on record began August 10, 2020, with 10,587 customers out at once.
5significant outages a year (2023–2025)
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At least 1% of the area's customers, and at least 100, without power at the same time. Outages less than 6 hours apart count as one.1 hourtypical (median) length
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Half of significant outages here ended sooner than this, and half lasted longer.1.9 dayslongest on record (July 2024)
10,587most customers out at once
| Largest events (start) | Peak out | LastediHow long this area stayed at or above the significant-outage line, not how long any one home was without power. | Customer-hoursiCustomers out multiplied by hours out, added up over the event. 1,000 customers out for 3 hours is 3,000 customer-hours. |
|---|---|---|---|
| August 10, 2020 | 10,587 | 1.7 days | 143,442 |
| February 19, 2016 | 7,097 | 7 hours | 13,487 |
| August 11, 2021 | 6,262 | 4.5 hours | 12,602 |
| April 10, 2015 | 4,810 | 2 hours | 8,616 |
| June 14, 2017 | 4,520 | 17 hours | 38,949 |
Recorded outages from EAGLE-I, Oak Ridge National Laboratory (CC BY 4.0).i
From EAGLE-I, Oak Ridge National Laboratory's record of utility outage data every 15 minutes since 2014 (CC BY 4.0). It covered about 9 in 10 U.S. customers.
Cities in DeKalb County
Utilities
- Commonwealth Edison Co no live feed
- All Illinois outages