Ouachita Parish Power Outage History
2014–2025 · Louisiana
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Aug 27, 2020 | 230 hrs | 117,688 (100%) | Hurricane Laura |
| Oct 10, 2020 | 83 hrs | 38,231 (32%) | Hurricane Delta |
| Apr 12, 2020 | 81 hrs | 15,382 (13%) | Hail |
| Mar 17, 2021 | 1 hrs | 14,373 (12%) | Unnamed event |
| Apr 12, 2022 | 51 hrs | 12,088 (10%) | Tornado |
Over the 12 years from 2014 to 2025, Ouachita Parish recorded 1,236 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Ouachita Parish started August 27, 2020 (Hurricane Laura), lasting 230 hours and leaving up to 117,688 customers without power (100% of the county) at its peak.
July has historically been the worst month for outages in Ouachita Parish, with 162 events recorded during that month across the dataset.
Based on this history, Ouachita Parish earns a Reliability Grade of D, placing it in the 23rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Ouachita Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Ouachita Parish.
| County | Grade | National percentile |
|---|---|---|
| Morehouse Parish | D | 22nd |
| Lincoln Parish | D | 24th |
| Evangeline Parish | D | 24th |
| St. Mary Parish | D | 25th |
| Richland Parish | D | 25th |
FAQ
How often does power go out in Ouachita Parish?
Between 2014 and 2025, Ouachita Parish recorded 1,236 outage events, averaging 2.9 hours each.
What is Ouachita Parish's reliability grade?
Ouachita Parish has a Reliability Grade of D, in the 23rd national percentile.
What was the worst power outage in Ouachita Parish?
The worst outage on record started August 27, 2020 (Hurricane Laura), lasting 230 hours and affecting up to 117,688 customers.