Chickasaw 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 |
|---|---|---|---|
| Mar 21, 2019 | 2 hrs | 518 (4%) | Unnamed event |
| Nov 21, 2024 | 4 hrs | 334 (3%) | Unnamed event |
| Apr 2, 2025 | <1 hr | 333 (3%) | Thunderstorm Wind |
| Nov 26, 2017 | 2 hrs | 332 (3%) | Unnamed event |
| Sep 12, 2024 | 5 hrs | 196 (2%) | Drought |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Chickasaw County, Mississippi that day.
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).
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Chickasaw County.
| County | Grade | National percentile |
|---|---|---|
| Prentiss County | Not ranked | — |
| Alcorn County | A | 98th |
| Monroe County | A | 98th |
| Calhoun County | Not ranked | — |
| Lee County | A | 97th |
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 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.