Floyd 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 |
|---|---|---|---|
| Jun 9, 2018 | 10 hrs | 3,993 (34%) | Heavy Rain |
| Jul 1, 2017 | 2 hrs | 3,065 (26%) | Hail |
| May 21, 2024 | 25 hrs | 2,451 (21%) | Drought |
| May 17, 2017 | 20 hrs | 2,413 (21%) | Thunderstorm Wind |
| Sep 19, 2019 | 4 hrs | 2,394 (20%) | Unnamed event |
Over the 12 years from 2014 to 2025, Floyd County recorded 342 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Floyd County started June 9, 2018 (Heavy Rain), lasting 10 hours and leaving up to 3,993 customers without power (34% of the county) at its peak.
May has historically been the worst month for outages in Floyd County, with 50 events recorded during that month across the dataset.
Based on this history, Floyd County earns a Reliability Grade of B, placing it in the 75th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Floyd County's outage profile
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Outage-prep kit
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Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Floyd County.
| County | Grade | National percentile |
|---|---|---|
| Humboldt County | B | 75th |
| Montgomery County | B | 74th |
| Taylor County | B | 74th |
| Dallas County | B | 76th |
| Monona County | B | 74th |
FAQ
How often does power go out in Floyd County?
Between 2014 and 2025, Floyd County recorded 342 outage events, averaging 3.1 hours each.
What is Floyd County's reliability grade?
Floyd County has a Reliability Grade of B, in the 75th national percentile.
What was the worst power outage in Floyd County?
The worst outage on record started June 9, 2018 (Heavy Rain), lasting 10 hours and affecting up to 3,993 customers.