Marshall County Power Outage History
2017–2025 · Mississippi
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 13, 2022 | 3 hrs | 909 (4%) | Thunderstorm Wind |
| Feb 2, 2023 | 6 hrs | 869 (4%) | Ice Storm |
| Mar 30, 2022 | 0 hrs | 841 (4%) | Thunderstorm Wind |
| Jun 12, 2023 | 1 hrs | 734 (4%) | Thunderstorm Wind |
| Mar 3, 2023 | 6 hrs | 708 (3%) | Hail |
Over the 9 years from 2017 to 2025, Marshall County recorded 81 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Marshall County started April 13, 2022 (Thunderstorm Wind), lasting 3 hours and leaving up to 909 customers without power (4% of the county) at its peak.
June has historically been the worst month for outages in Marshall County, with 19 events recorded during that month across the dataset.
Based on this history, Marshall County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Marshall County's outage profile
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Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Marshall County.
| County | Grade | National percentile |
|---|---|---|
| Lee County | A | 97th |
| Monroe County | A | 98th |
| Alcorn County | A | 98th |
| Chickasaw County | A | 99th |
| Pontotoc County | A | 94th |
FAQ
How often does power go out in Marshall County?
Between 2017 and 2025, Marshall County recorded 81 outage events, averaging 2.9 hours each.
What is Marshall County's reliability grade?
Marshall County has a Reliability Grade of A, in the 96th national percentile.
What was the worst power outage in Marshall County?
The worst outage on record started April 13, 2022 (Thunderstorm Wind), lasting 3 hours and affecting up to 909 customers.