Fayette CountyPower Outage History
What this grade means
(How grades are calculated)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.
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Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 30, 2019 | 19 hrs | 5,539 (56%) | Thunderstorm Wind |
| Feb 24, 2017 | 1 hrs | 3,983 (40%) | Unnamed event |
| Feb 24, 2017 | <1 hr | 3,415 (34%) | Unnamed event |
| Aug 24, 2021 | 29 hrs | 3,011 (30%) | Drought |
| Jul 12, 2016 | <1 hr | 2,816 (28%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Fayette County, Iowa that day.
Over the 12 years from 2014 to 2025, Fayette County recorded 359 distinct power outage events, averaging 2.2 hours per event.
The single worst outage on record in Fayette County started June 30, 2019 (Thunderstorm Wind), lasting 19 hours and leaving up to 5,539 customers without power (56% of the county) at its peak.
July has historically been the worst month for outages in Fayette County, with 52 events recorded during that month across the dataset.
Based on this history, Fayette County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Fayette County.
| County | Grade | National percentile |
|---|---|---|
| Franklin County | B | 61st |
| Polk County | B | 60th |
| Lee County | B | 61st |
| Harrison County | B | 61st |
| Guthrie County | C | 59th |
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 Fayette County?
Between 2014 and 2025, Fayette County recorded 359 outage events, averaging 2.2 hours each.
What is Fayette County's reliability grade?
Fayette County has a Reliability Grade of B, in the 61st national percentile.
What was the worst power outage in Fayette County?
The worst outage on record started June 30, 2019 (Thunderstorm Wind), lasting 19 hours and affecting up to 5,539 customers.