Jackson CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 11, 2025 | 20 hrs | 2,819 (22%) | Tornado |
| Mar 31, 2023 | 44 hrs | 2,111 (17%) | Winter Storm |
| May 22, 2024 | 24 hrs | 1,827 (15%) | Thunderstorm Wind |
| Aug 10, 2020 | 148 hrs | 1,072 (9%) | Thunderstorm Wind |
| Jan 11, 2024 | <1 hr | 1,023 (8%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Jackson County, Iowa that day.
Over the 11 years from 2015 to 2025, Jackson County recorded 169 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Jackson County started July 11, 2025 (Tornado), lasting 20 hours and leaving up to 2,819 customers without power (22% of the county) at its peak.
June has historically been the worst month for outages in Jackson County, with 27 events recorded during that month across the dataset.
Based on this history, Jackson County earns a Reliability Grade of A, placing it in the 87th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Iowa
Counties with the closest reliability grade and national percentile to Jackson County.
| County | Grade | National percentile |
|---|---|---|
| Union County | A | 87th |
| Cherokee County | A | 87th |
| Buena Vista County | A | 87th |
| Plymouth County | A | 88th |
| Palo Alto County | A | 86th |
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 Jackson County?
Between 2015 and 2025, Jackson County recorded 169 outage events, averaging 3.3 hours each.
What is Jackson County's reliability grade?
Jackson County has a Reliability Grade of A, in the 87th national percentile.
What was the worst power outage in Jackson County?
The worst outage on record started July 11, 2025 (Tornado), lasting 20 hours and affecting up to 2,819 customers.