PowerOutageHistory
F

St. Martin Parish Power Outage History

20142025 · Louisiana

Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated

Total events
1,260
Avg duration
3.0 hrs
Longest outage
174 hrs
National percentile
19th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Oct 9, 2020128 hrs22,794 (80%)Hurricane Laura
May 16, 202449 hrs14,123 (50%)Tornado
May 13, 202467 hrs12,497 (44%)Tornado
Aug 27, 202044 hrs11,837 (42%)Tropical Storm
Jul 13, 201995 hrs9,619 (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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Outage-prep kit

See our outage-prep guides or the Louisiana storm prep checklist.

Similar counties in Louisiana

Counties with the closest reliability grade and national percentile to St. Martin Parish.

CountyGradeNational percentile
Webster ParishD20th
Rapides ParishF18th
St. Landry ParishF17th
Morehouse ParishD22nd
Vermilion ParishF15th

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.