Marshall CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
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 | <1 hr | 841 (4%) | Thunderstorm Wind |
| Jun 12, 2023 | 1 hrs | 734 (4%) | Thunderstorm Wind |
| Mar 3, 2023 | 6 hrs | 708 (3%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Marshall County, Mississippi that day.
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).
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 |
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 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.