Allen 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 | 395 hrs | 11,805 (65%) | Hurricane (Typhoon) |
| Oct 9, 2020 | 170 hrs | 11,758 (65%) | Hurricane Laura |
| May 16, 2024 | 96 hrs | 9,599 (53%) | Flash Flood |
| Feb 17, 2021 | 23 hrs | 7,234 (40%) | Winter Storm Uri |
| Apr 10, 2024 | 40 hrs | 6,549 (36%) | Unnamed event |
Over the 12 years from 2014 to 2025, Allen Parish recorded 1,456 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Allen Parish started August 27, 2020 (Hurricane (Typhoon)), lasting 395 hours and leaving up to 11,805 customers without power (65% of the county) at its peak.
May has historically been the worst month for outages in Allen Parish, with 151 events recorded during that month across the dataset.
Based on this history, Allen Parish earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Allen Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Allen Parish.
| County | Grade | National percentile |
|---|---|---|
| Tensas Parish | F | 1st |
| Jefferson Parish | F | 1st |
| Tangipahoa Parish | F | 1st |
| St. James Parish | F | 1st |
| Plaquemines Parish | F | 1st |
FAQ
How often does power go out in Allen Parish?
Between 2014 and 2025, Allen Parish recorded 1,456 outage events, averaging 3.4 hours each.
What is Allen Parish's reliability grade?
Allen Parish has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Allen Parish?
The worst outage on record started August 27, 2020 (Hurricane (Typhoon)), lasting 395 hours and affecting up to 11,805 customers.