Grant 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 | 346 hrs | 10,278 (73%) | Hurricane Laura |
| Oct 9, 2020 | 117 hrs | 8,254 (59%) | Hurricane Delta |
| Nov 1, 2018 | 42 hrs | 4,429 (31%) | Tornado |
| Aug 19, 2024 | 39 hrs | 3,942 (28%) | Excessive Heat |
| Apr 13, 2019 | 35 hrs | 3,602 (26%) | Hail |
Over the 12 years from 2014 to 2025, Grant Parish recorded 1,306 distinct power outage events, averaging 4.0 hours per event.
The single worst outage on record in Grant Parish started August 27, 2020 (Hurricane Laura), lasting 346 hours and leaving up to 10,278 customers without power (73% of the county) at its peak.
June has historically been the worst month for outages in Grant Parish, with 152 events recorded during that month across the dataset.
Based on this history, Grant Parish earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Grant Parish.
| County | Grade | National percentile |
|---|---|---|
| Jefferson Parish | F | 1st |
| East Feliciana Parish | F | 2nd |
| Allen Parish | F | 1st |
| Tensas Parish | F | 1st |
| Winn Parish | F | 2nd |
FAQ
How often does power go out in Grant Parish?
Between 2014 and 2025, Grant Parish recorded 1,306 outage events, averaging 4.0 hours each.
What is Grant Parish's reliability grade?
Grant Parish has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Grant Parish?
The worst outage on record started August 27, 2020 (Hurricane Laura), lasting 346 hours and affecting up to 10,278 customers.