Ogle CountyPower Outage History
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.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ogle County, Illinois that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.