Alcorn 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 |
|---|---|---|---|
| Oct 31, 2024 | 2 hrs | 1,615 (8%) | Unnamed event |
| Feb 24, 2025 | 3 hrs | 1,557 (8%) | Unnamed event |
| Aug 31, 2024 | <1 hr | 1,418 (7%) | Unnamed event |
| Oct 8, 2024 | <1 hr | 835 (4%) | Unnamed event |
| Aug 30, 2024 | 1 hrs | 802 (4%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Alcorn County, Mississippi that day.
Over the 6 years from 2020 to 2025, Alcorn County recorded 30 distinct power outage events, averaging 3.1 hours per event.
The single worst outage on record in Alcorn County started October 31, 2024, lasting 2 hours and leaving up to 1,615 customers without power (8% of the county) at its peak.
January has historically been the worst month for outages in Alcorn County, with 7 events recorded during that month across the dataset.
Based on this history, Alcorn County earns a Reliability Grade of A, placing it in the 98th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Alcorn County.
| County | Grade | National percentile |
|---|---|---|
| Monroe County | A | 98th |
| Lee County | A | 97th |
| Chickasaw County | A | 99th |
| Prentiss County | Not ranked | — |
| Marshall County | A | 96th |
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 Alcorn County?
Between 2020 and 2025, Alcorn County recorded 30 outage events, averaging 3.1 hours each.
What is Alcorn County's reliability grade?
Alcorn County has a Reliability Grade of A, in the 98th national percentile.
What was the worst power outage in Alcorn County?
The worst outage on record started October 31, 2024, lasting 2 hours and affecting up to 1,615 customers.