Warren County Power Outage History
2014–2025 · Mississippi
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 16, 2023 | 151 hrs | 10,297 (45%) | Hail |
| May 4, 2021 | 77 hrs | 9,597 (42%) | Tornado |
| Oct 25, 2015 | 48 hrs | 8,888 (39%) | Drought |
| Apr 13, 2019 | 78 hrs | 7,822 (34%) | Tornado |
| Mar 17, 2016 | 49 hrs | 7,754 (34%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Warren County recorded 1,228 distinct power outage events, averaging 4.1 hours per event.
The single worst outage on record in Warren County started June 16, 2023 (Hail), lasting 151 hours and leaving up to 10,297 customers without power (45% of the county) at its peak.
June has historically been the worst month for outages in Warren County, with 151 events recorded during that month across the dataset.
Based on this history, Warren County earns a Reliability Grade of F, placing it in the 4th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Warren County.
| County | Grade | National percentile |
|---|---|---|
| Copiah County | F | 4th |
| Attala County | F | 5th |
| Adams County | F | 5th |
| Franklin County | F | 2nd |
| Amite County | F | 2nd |
FAQ
How often does power go out in Warren County?
Between 2014 and 2025, Warren County recorded 1,228 outage events, averaging 4.1 hours each.
What is Warren County's reliability grade?
Warren County has a Reliability Grade of F, in the 4th national percentile.
What was the worst power outage in Warren County?
The worst outage on record started June 16, 2023 (Hail), lasting 151 hours and affecting up to 10,297 customers.