Power outages in Grundy County, IL
We don't have a live outage feed for the utilities serving Grundy County yet. Commonwealth Edison Co serves this county.
Right now
No live outage data for Grundy County yet.
Commonwealth Edison Cono live feedServes this county, per federal utility records.
i
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 Grundy County
2014–2025 recordGrundy County averaged 6.3 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 2.5 hours; the longest lasted 15 hours, starting May 16, 2025.
The largest on record began July 16, 2024, with 7,748 customers out at once.
6.3significant outages a year (2023–2025)
i
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
i
Half of significant outages here ended sooner than this, and half lasted longer.4.4 dayslongest on record (August 2020)
7,748most 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. |
|---|---|---|---|
| July 16, 2024 | 7,748 | 1.8 days | 175,671 |
| June 25, 2021 | 7,310 | 8 hours | 19,481 |
| June 23, 2015 | 6,911 | 2.9 days | 154,493 |
| September 7, 2021 | 5,173 | 13 hours | 26,982 |
| July 11, 2023 | 4,845 | 45 minutes | 3,102 |
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 Grundy County
Utilities
- Commonwealth Edison Co no live feed
- All Illinois outages