St. Martin ParishPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for St. Martin Parish, Louisiana that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.