Kemper CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
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 5, 2023 | 1 hrs | 3,443 (36%) | Unnamed event |
| Jun 13, 2021 | 48 hrs | 3,443 (36%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kemper County, Mississippi that day.
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).
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 |
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 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.