Audubon 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.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 10, 2020 | 33 hrs | 3,115 (68%) | Drought |
| Aug 12, 2016 | 6 hrs | 1,712 (37%) | Thunderstorm Wind |
| Jul 4, 2022 | 3 hrs | 1,422 (31%) | Unnamed event |
| Aug 13, 2020 | <1 hr | 1,298 (28%) | Drought |
| Dec 15, 2021 | 20 hrs | 1,113 (24%) | Tornado |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Audubon County, Iowa that day.
Over the 11 years from 2015 to 2025, Audubon County recorded 304 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Audubon County started August 10, 2020 (Drought), lasting 33 hours and leaving up to 3,115 customers without power (68% of the county) at its peak.
June has historically been the worst month for outages in Audubon County, with 39 events recorded during that month across the dataset.
Based on this history, Audubon County earns a Reliability Grade of B, placing it in the 78th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Audubon County.
| County | Grade | National percentile |
|---|---|---|
| Lyon County | B | 78th |
| Crawford County | B | 79th |
| Warren County | B | 79th |
| O'Brien County | B | 79th |
| Shelby County | B | 77th |
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 Audubon County?
Between 2015 and 2025, Audubon County recorded 304 outage events, averaging 2.4 hours each.
What is Audubon County's reliability grade?
Audubon County has a Reliability Grade of B, in the 78th national percentile.
What was the worst power outage in Audubon County?
The worst outage on record started August 10, 2020 (Drought), lasting 33 hours and affecting up to 3,115 customers.