Kemper County Power Outage History
2016–2025 · Mississippi
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Feb 18, 2021 | 94 hrs | 7,947 (82%) | Winter Storm Uri |
| Feb 15, 2021 | 72 hrs | 7,921 (82%) | Winter Storm Uri |
| Jul 13, 2023 | 8 hrs | 3,886 (40%) | Flash Flood |
| Jun 13, 2021 | 48 hrs | 3,443 (36%) | Thunderstorm Wind |
| Jun 5, 2023 | 1 hrs | 3,443 (36%) | Unnamed event |
Over the 10 years from 2016 to 2025, Kemper County recorded 462 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Kemper County started February 18, 2021 (Winter Storm Uri), lasting 94 hours and leaving up to 7,947 customers without power (82% of the county) at its peak.
June has historically been the worst month for outages in Kemper County, with 58 events recorded during that month across the dataset.
Based on this history, Kemper County earns a Reliability Grade of D, placing it in the 36th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Kemper County's outage profile
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Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Kemper County.
| County | Grade | National percentile |
|---|---|---|
| Sunflower County | D | 36th |
| Harrison County | D | 36th |
| Leake County | D | 36th |
| Hancock County | D | 36th |
| Jackson County | D | 38th |
FAQ
How often does power go out in Kemper County?
Between 2016 and 2025, Kemper County recorded 462 outage events, averaging 2.6 hours each.
What is Kemper County's reliability grade?
Kemper County has a Reliability Grade of D, in the 36th national percentile.
What was the worst power outage in Kemper County?
The worst outage on record started February 18, 2021 (Winter Storm Uri), lasting 94 hours and affecting up to 7,947 customers.