Holmes CountyPower Outage History
2014–2025 · Mississippi
Bottom 20% least reliable nationally — frequent and/or long outages.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 14, 2023 | 25 hrs | 3,987 (60%) | Thunderstorm Wind |
| Mar 22, 2022 | 79 hrs | 3,900 (59%) | Tornado |
| Jul 19, 2015 | 3 hrs | 3,698 (56%) | Unnamed event |
| Jun 15, 2023 | 125 hrs | 3,296 (50%) | Thunderstorm Wind |
| Feb 18, 2021 | 15 hrs | 3,169 (48%) | Winter Storm Uri |
Over the 12 years from 2014 to 2025, Holmes County recorded 740 distinct power outage events, averaging 4.3 hours per event.
The single worst outage on record in Holmes County started June 14, 2023 (Thunderstorm Wind), lasting 25 hours and leaving up to 3,987 customers without power (60% of the county) at its peak.
June has historically been the worst month for outages in Holmes County, with 90 events recorded during that month across the dataset.
Based on this history, Holmes County earns a Reliability Grade of F, placing it in the 7th 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 Holmes County.
| County | Grade | National percentile |
|---|---|---|
| Smith County | F | 8th |
| Pike County | F | 8th |
| Adams County | F | 5th |
| Walthall County | F | 9th |
| Jefferson Davis County | F | 9th |
Most reliable counties in Mississippi
The top 3 counties in Mississippi by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Chickasaw County | A | 99th |
| Alcorn County | A | 98th |
| Monroe County | A | 98th |
Least reliable counties in Mississippi
The bottom 3 counties in Mississippi by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Wilkinson County | F | 0th |
| Claiborne County | F | 0th |
| Jefferson County | F | 1st |
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 Holmes County?
Between 2014 and 2025, Holmes County recorded 740 outage events, averaging 4.3 hours each.
What is Holmes County's reliability grade?
Holmes County has a Reliability Grade of F, in the 7th national percentile.
What was the worst power outage in Holmes County?
The worst outage on record started June 14, 2023 (Thunderstorm Wind), lasting 25 hours and affecting up to 3,987 customers.