Dallas CountyPower Outage History
What this grade means
(How grades are calculated)Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 13, 2020 | 71 hrs | 3,613 (88%) | Unnamed event |
| Feb 1, 2023 | 56 hrs | 3,388 (82%) | Winter Weather |
| Apr 13, 2020 | 1 hrs | 2,772 (67%) | Unnamed event |
| Apr 16, 2020 | 96 hrs | 2,753 (67%) | Unnamed event |
| Mar 19, 2025 | 8 hrs | 2,698 (65%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Dallas County, Arkansas that day.
Over the 12 years from 2014 to 2025, Dallas County recorded 836 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Dallas County started April 13, 2020, lasting 71 hours and leaving up to 3,613 customers without power (88% of the county) at its peak.
June has historically been the worst month for outages in Dallas County, with 90 events recorded during that month across the dataset.
Based on this history, Dallas County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Arkansas
Counties with the closest reliability grade and national percentile to Dallas County.
| County | Grade | National percentile |
|---|---|---|
| Arkansas County | F | 4th |
| Sevier County | F | 6th |
| Chicot County | F | 6th |
| Ashley County | F | 6th |
| Bradley County | F | 6th |
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 Dallas County?
Between 2014 and 2025, Dallas County recorded 836 outage events, averaging 4.1 hours each.
What is Dallas County's reliability grade?
Dallas County has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Dallas County?
The worst outage on record started April 13, 2020, lasting 71 hours and affecting up to 3,613 customers.