Chickasaw 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 |
|---|---|---|---|
| Mar 21, 2019 | 2 hrs | 518 (4%) | Unnamed event |
| Nov 21, 2024 | 4 hrs | 334 (3%) | Unnamed event |
| Apr 2, 2025 | 1 hrs | 333 (3%) | Thunderstorm Wind |
| Nov 26, 2017 | 2 hrs | 332 (3%) | Unnamed event |
| Sep 12, 2024 | 5 hrs | 196 (2%) | Drought |
Over the 9 years from 2017 to 2025, Chickasaw County recorded 26 distinct power outage events, averaging 2.1 hours per event.
The single worst outage on record in Chickasaw County started March 21, 2019, lasting 2 hours and leaving up to 518 customers without power (4% of the county) at its peak.
October has historically been the worst month for outages in Chickasaw County, with 8 events recorded during that month across the dataset.
Based on this history, Chickasaw County earns a Reliability Grade of A, placing it in the 99th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Chickasaw County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides.
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Chickasaw County.
| County | Grade | National percentile |
|---|---|---|
| Prentiss County | A | 99th |
| Alcorn County | A | 98th |
| Monroe County | A | 98th |
| Calhoun County | A | 100th |
| Lee County | A | 97th |
FAQ
How often does power go out in Chickasaw County?
Between 2017 and 2025, Chickasaw County recorded 26 outage events, averaging 2.1 hours each.
What is Chickasaw County's reliability grade?
Chickasaw County has a Reliability Grade of A, in the 99th national percentile.
What was the worst power outage in Chickasaw County?
The worst outage on record started March 21, 2019, lasting 2 hours and affecting up to 518 customers.