Lamar County Power Outage History
2014–2025 · Mississippi
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 8, 2017 | 39 hrs | 8,781 (26%) | Heavy Snow |
| Jul 12, 2023 | 1 hrs | 5,471 (16%) | Unnamed event |
| May 13, 2024 | 26 hrs | 5,042 (15%) | Hail |
| Jul 19, 2019 | 2 hrs | 4,969 (15%) | Hurricane Barry |
| Jun 15, 2023 | 6 hrs | 4,804 (14%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Lamar County recorded 525 distinct power outage events, averaging 1.8 hours per event.
The single worst outage on record in Lamar County started December 8, 2017 (Heavy Snow), lasting 39 hours and leaving up to 8,781 customers without power (26% of the county) at its peak.
June has historically been the worst month for outages in Lamar County, with 77 events recorded during that month across the dataset.
Based on this history, Lamar County earns a Reliability Grade of B, placing it in the 74th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lamar County's outage profile
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Similar counties in Mississippi
Counties with the closest reliability grade and national percentile to Lamar County.
| County | Grade | National percentile |
|---|---|---|
| Clay County | B | 75th |
| Forrest County | B | 73rd |
| DeSoto County | B | 72nd |
| Union County | B | 79th |
| Webster County | B | 79th |
FAQ
How often does power go out in Lamar County?
Between 2014 and 2025, Lamar County recorded 525 outage events, averaging 1.8 hours each.
What is Lamar County's reliability grade?
Lamar County has a Reliability Grade of B, in the 74th national percentile.
What was the worst power outage in Lamar County?
The worst outage on record started December 8, 2017 (Heavy Snow), lasting 39 hours and affecting up to 8,781 customers.