Sebastian County Power Outage History
2014–2025 · Arkansas
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 18, 2019 | 56 hrs | 16,877 (16%) | Unnamed event |
| Jul 14, 2016 | 30 hrs | 15,317 (14%) | Unnamed event |
| Jul 14, 2023 | 38 hrs | 15,021 (14%) | Excessive Heat |
| May 4, 2021 | 67 hrs | 14,250 (13%) | Unnamed event |
| Jan 24, 2023 | 24 hrs | 12,301 (12%) | Winter Storm |
Over the 12 years from 2014 to 2025, Sebastian County recorded 659 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Sebastian County started May 18, 2019, lasting 56 hours and leaving up to 16,877 customers without power (16% of the county) at its peak.
July has historically been the worst month for outages in Sebastian County, with 90 events recorded during that month across the dataset.
Based on this history, Sebastian County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Sebastian County's outage profile
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Outage-prep kit
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Similar counties in Arkansas
Counties with the closest reliability grade and national percentile to Sebastian County.
| County | Grade | National percentile |
|---|---|---|
| Searcy County | B | 67th |
| Johnson County | B | 64th |
| Cleburne County | B | 62nd |
| Lincoln County | B | 72nd |
| Faulkner County | B | 74th |
FAQ
How often does power go out in Sebastian County?
Between 2014 and 2025, Sebastian County recorded 659 outage events, averaging 3.3 hours each.
What is Sebastian County's reliability grade?
Sebastian County has a Reliability Grade of B, in the 67th national percentile.
What was the worst power outage in Sebastian County?
The worst outage on record started May 18, 2019, lasting 56 hours and affecting up to 16,877 customers.