Stone CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 28, 2020 | 120 hrs | 8,600 (63%) | Hurricane Zeta |
| Apr 5, 2025 | 2 hrs | 6,749 (49%) | Unnamed event |
| Mar 11, 2019 | 4 hrs | 5,598 (41%) | Unnamed event |
| Nov 1, 2019 | 1 hrs | 5,535 (40%) | Unnamed event |
| Mar 8, 2025 | <1 hr | 3,968 (29%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Stone County, Mississippi that day.
Over the 12 years from 2014 to 2025, Stone County recorded 750 distinct power outage events, averaging 1.6 hours per event.
The single worst outage on record in Stone County started October 28, 2020 (Hurricane Zeta), lasting 120 hours and leaving up to 8,600 customers without power (63% of the county) at its peak.
July has historically been the worst month for outages in Stone County, with 92 events recorded during that month across the dataset.
Based on this history, Stone County earns a Reliability Grade of C, placing it in the 42nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Stone County.
| County | Grade | National percentile |
|---|---|---|
| Pearl River County | C | 43rd |
| Rankin County | C | 41st |
| Wayne County | C | 43rd |
| Marion County | D | 40th |
| Lauderdale County | C | 45th |
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 Stone County?
Between 2014 and 2025, Stone County recorded 750 outage events, averaging 1.6 hours each.
What is Stone County's reliability grade?
Stone County has a Reliability Grade of C, in the 42nd national percentile.
What was the worst power outage in Stone County?
The worst outage on record started October 28, 2020 (Hurricane Zeta), lasting 120 hours and affecting up to 8,600 customers.