St. Martin 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 |
|---|---|---|---|
| Oct 9, 2020 | 128 hrs | 22,794 (80%) | Hurricane Laura |
| May 16, 2024 | 49 hrs | 14,123 (50%) | Tornado |
| May 13, 2024 | 67 hrs | 12,497 (44%) | Tornado |
| Aug 27, 2020 | 44 hrs | 11,837 (42%) | Tropical Storm |
| Jul 13, 2019 | 95 hrs | 9,619 (34%) | Hurricane Center |
Over the 12 years from 2014 to 2025, St. Martin Parish recorded 1,260 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in St. Martin Parish started October 9, 2020 (Hurricane Laura), lasting 128 hours and leaving up to 22,794 customers without power (80% of the county) at its peak.
June has historically been the worst month for outages in St. Martin Parish, with 172 events recorded during that month across the dataset.
Based on this history, St. Martin Parish earns a Reliability Grade of F, placing it in the 19th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for St. Martin Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to St. Martin Parish.
| County | Grade | National percentile |
|---|---|---|
| Webster Parish | D | 20th |
| Rapides Parish | F | 18th |
| St. Landry Parish | F | 17th |
| Morehouse Parish | D | 22nd |
| Vermilion Parish | F | 15th |
FAQ
How often does power go out in St. Martin Parish?
Between 2014 and 2025, St. Martin Parish recorded 1,260 outage events, averaging 3.0 hours each.
What is St. Martin Parish's reliability grade?
St. Martin Parish has a Reliability Grade of F, in the 19th national percentile.
What was the worst power outage in St. Martin Parish?
The worst outage on record started October 9, 2020 (Hurricane Laura), lasting 128 hours and affecting up to 22,794 customers.

