St. Charles 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 | 22,708 (75%) | Tropical Storm Ida |
| Sep 7, 2021 | 328 hrs | 22,166 (73%) | Unnamed event |
| Aug 30, 2021 | 1 hrs | 21,823 (72%) | Tropical Storm Ida |
| Aug 29, 2021 | 18 hrs | 21,820 (72%) | Tropical Storm Ida |
| Aug 29, 2021 | 8 hrs | 21,812 (72%) | Tropical Storm Ida |
Over the 12 years from 2014 to 2025, St. Charles Parish recorded 738 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in St. Charles Parish started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and leaving up to 22,708 customers without power (75% of the county) at its peak.
April has historically been the worst month for outages in St. Charles Parish, with 92 events recorded during that month across the dataset.
Based on this history, St. Charles Parish earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for St. Charles Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to St. Charles Parish.
| County | Grade | National percentile |
|---|---|---|
| Sabine Parish | F | 1st |
| Plaquemines Parish | F | 1st |
| Terrebonne Parish | F | 1st |
| St. James Parish | F | 1st |
| Tangipahoa Parish | F | 1st |
FAQ
How often does power go out in St. Charles Parish?
Between 2014 and 2025, St. Charles Parish recorded 738 outage events, averaging 3.6 hours each.
What is St. Charles Parish's reliability grade?
St. Charles Parish has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in St. Charles Parish?
The worst outage on record started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and affecting up to 22,708 customers.