Ouachita CountyPower Outage History
What this grade means
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 | 8,863 (56%) | Flood |
| Apr 12, 2020 | 13 hrs | 8,538 (54%) | Flood |
| Apr 9, 2021 | 77 hrs | 6,727 (43%) | Flood |
| Jun 20, 2019 | 116 hrs | 6,327 (40%) | Thunderstorm Wind |
| Feb 2, 2023 | 51 hrs | 5,838 (37%) | Flood |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ouachita County, Arkansas that day.
Over the 12 years from 2014 to 2025, Ouachita County recorded 617 distinct power outage events, averaging 4.7 hours per event.
The single worst outage on record in Ouachita County started April 13, 2020 (Flood), lasting 71 hours and leaving up to 8,863 customers without power (56% of the county) at its peak.
April has historically been the worst month for outages in Ouachita County, with 86 events recorded during that month across the dataset.
Based on this history, Ouachita County earns a Reliability Grade of F, placing it in the 11th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Arkansas
Counties with the closest reliability grade and national percentile to Ouachita County.
| County | Grade | National percentile |
|---|---|---|
| Pike County | F | 11th |
| Prairie County | F | 11th |
| Phillips County | F | 10th |
| Hot Spring County | F | 11th |
| Drew County | F | 12th |
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 Ouachita County?
Between 2014 and 2025, Ouachita County recorded 617 outage events, averaging 4.7 hours each.
What is Ouachita County's reliability grade?
Ouachita County has a Reliability Grade of F, in the 11th national percentile.
What was the worst power outage in Ouachita County?
The worst outage on record started April 13, 2020 (Flood), lasting 71 hours and affecting up to 8,863 customers.