Jefferson Davis Parish Power Outage History
2014–2025 · Louisiana
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 27, 2020 | 611 hrs | 21,012 (91%) | Unnamed event |
| Oct 9, 2020 | 94 hrs | 9,978 (43%) | Unnamed event |
| Jan 24, 2023 | 10 hrs | 7,818 (34%) | Unnamed event |
| Oct 13, 2020 | 39 hrs | 4,811 (21%) | Unnamed event |
| Apr 30, 2017 | 38 hrs | 4,765 (21%) | Hail |
Over the 12 years from 2014 to 2025, Jefferson Davis Parish recorded 1,160 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Jefferson Davis Parish started August 27, 2020, lasting 611 hours and leaving up to 21,012 customers without power (91% of the county) at its peak.
July has historically been the worst month for outages in Jefferson Davis Parish, with 130 events recorded during that month across the dataset.
Based on this history, Jefferson Davis Parish earns a Reliability Grade of F, placing it in the 9th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Jefferson Davis Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Jefferson Davis Parish.
| County | Grade | National percentile |
|---|---|---|
| Caddo Parish | F | 9th |
| Claiborne Parish | F | 8th |
| East Carroll Parish | F | 8th |
| Concordia Parish | F | 10th |
| St. Tammany Parish | F | 10th |
FAQ
How often does power go out in Jefferson Davis Parish?
Between 2014 and 2025, Jefferson Davis Parish recorded 1,160 outage events, averaging 3.0 hours each.
What is Jefferson Davis Parish's reliability grade?
Jefferson Davis Parish has a Reliability Grade of F, in the 9th national percentile.
What was the worst power outage in Jefferson Davis Parish?
The worst outage on record started August 27, 2020, lasting 611 hours and affecting up to 21,012 customers.