Lafourche 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 30, 2021 | 195 hrs | 44,233 (85%) | Tropical Storm Ida |
| Sep 7, 2021 | 1036 hrs | 43,658 (84%) | Unnamed event |
| Aug 29, 2021 | 18 hrs | 43,435 (83%) | Tropical Storm Ida |
| Aug 30, 2021 | 1 hrs | 43,387 (83%) | Tropical Storm Ida |
| Aug 29, 2021 | 10 hrs | 37,268 (72%) | Tropical Storm Ida |
Over the 12 years from 2014 to 2025, Lafourche Parish recorded 1,054 distinct power outage events, averaging 4.2 hours per event.
The single worst outage on record in Lafourche Parish started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and leaving up to 44,233 customers without power (85% of the county) at its peak.
April has historically been the worst month for outages in Lafourche Parish, with 126 events recorded during that month across the dataset.
Based on this history, Lafourche Parish earns a Reliability Grade of F, placing it in the 0th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lafourche Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Lafourche Parish.
| County | Grade | National percentile |
|---|---|---|
| Cameron Parish | F | 0th |
| St. Helena Parish | F | 0th |
| St. John the Baptist Parish | F | 0th |
| Beauregard Parish | F | 0th |
| Calcasieu Parish | F | 1st |
FAQ
How often does power go out in Lafourche Parish?
Between 2014 and 2025, Lafourche Parish recorded 1,054 outage events, averaging 4.2 hours each.
What is Lafourche Parish's reliability grade?
Lafourche Parish has a Reliability Grade of F, in the 0th national percentile.
What was the worst power outage in Lafourche Parish?
The worst outage on record started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and affecting up to 44,233 customers.