Wright County Power Outage History
2014–2025 · Iowa
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 |
|---|---|---|---|
| Dec 16, 2021 | 41 hrs | 8,248 (85%) | Tornado |
| Jun 11, 2025 | 10 hrs | 3,042 (31%) | Thunderstorm Wind |
| Oct 18, 2021 | 9 hrs | 2,871 (30%) | Drought |
| Mar 24, 2016 | 1 hrs | 2,588 (27%) | Unnamed event |
| Jul 17, 2016 | 31 hrs | 2,580 (27%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Wright County recorded 283 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Wright County started December 16, 2021 (Tornado), lasting 41 hours and leaving up to 8,248 customers without power (85% of the county) at its peak.
May has historically been the worst month for outages in Wright County, with 36 events recorded during that month across the dataset.
Based on this history, Wright County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Wright County's outage profile
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Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Wright County.
| County | Grade | National percentile |
|---|---|---|
| Ida County | B | 62nd |
| Des Moines County | B | 63rd |
| Harrison County | B | 61st |
| Lee County | B | 61st |
| Fremont County | B | 64th |
FAQ
How often does power go out in Wright County?
Between 2014 and 2025, Wright County recorded 283 outage events, averaging 2.8 hours each.
What is Wright County's reliability grade?
Wright County has a Reliability Grade of B, in the 62nd national percentile.
What was the worst power outage in Wright County?
The worst outage on record started December 16, 2021 (Tornado), lasting 41 hours and affecting up to 8,248 customers.