Ogle County Power Outage History
2014–2025 · Illinois
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Nov 10, 2020 | 29 hrs | 12,845 (31%) | Thunderstorm Wind |
| Aug 10, 2020 | 84 hrs | 11,576 (28%) | Thunderstorm Wind |
| Jul 16, 2024 | 65 hrs | 6,513 (16%) | Thunderstorm Wind |
| Aug 24, 2021 | 23 hrs | 4,791 (11%) | Thunderstorm Wind |
| Jul 13, 2015 | 7 hrs | 3,686 (9%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Ogle County recorded 257 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Ogle County started November 10, 2020 (Thunderstorm Wind), lasting 29 hours and leaving up to 12,845 customers without power (31% of the county) at its peak.
March has historically been the worst month for outages in Ogle County, with 31 events recorded during that month across the dataset.
Based on this history, Ogle County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Ogle County's outage profile
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Similar counties in Illinois
Counties with the closest reliability grade and national percentile to Ogle County.
| County | Grade | National percentile |
|---|---|---|
| Iroquois County | B | 71st |
| Fulton County | B | 71st |
| Tazewell County | B | 69th |
| Sangamon County | B | 68th |
| Peoria County | B | 68th |
FAQ
How often does power go out in Ogle County?
Between 2014 and 2025, Ogle County recorded 257 outage events, averaging 3.7 hours each.
What is Ogle County's reliability grade?
Ogle County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Ogle County?
The worst outage on record started November 10, 2020 (Thunderstorm Wind), lasting 29 hours and affecting up to 12,845 customers.