Lafayette CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 13, 2020 | 47 hrs | 9,154 (25%) | Thunderstorm Wind |
| Jun 22, 2018 | 20 hrs | 7,102 (19%) | Thunderstorm Wind |
| Apr 12, 2020 | 4 hrs | 6,943 (19%) | Thunderstorm Wind |
| May 9, 2021 | 21 hrs | 5,683 (15%) | Thunderstorm Wind |
| Mar 3, 2023 | 17 hrs | 5,183 (14%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lafayette County, Mississippi that day.
Over the 9 years from 2017 to 2025, Lafayette County recorded 406 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Lafayette County started April 13, 2020 (Thunderstorm Wind), lasting 47 hours and leaving up to 9,154 customers without power (25% of the county) at its peak.
June has historically been the worst month for outages in Lafayette County, with 69 events recorded during that month across the dataset.
Based on this history, Lafayette County earns a Reliability Grade of B, placing it in the 68th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Lafayette County.
| County | Grade | National percentile |
|---|---|---|
| DeSoto County | B | 72nd |
| Forrest County | B | 73rd |
| Jones County | B | 63rd |
| Yazoo County | B | 62nd |
| Lamar County | B | 74th |
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 Lafayette County?
Between 2017 and 2025, Lafayette County recorded 406 outage events, averaging 3.0 hours each.
What is Lafayette County's reliability grade?
Lafayette County has a Reliability Grade of B, in the 68th national percentile.
What was the worst power outage in Lafayette County?
The worst outage on record started April 13, 2020 (Thunderstorm Wind), lasting 47 hours and affecting up to 9,154 customers.