Iberville 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 29, 2021 | 18 hrs | 6,069 (51%) | Tropical Storm Ida |
| Aug 30, 2021 | 195 hrs | 5,110 (43%) | Tropical Storm Ida |
| Aug 30, 2021 | 1 hrs | 5,099 (43%) | Tropical Storm Ida |
| Jul 13, 2019 | 90 hrs | 4,384 (37%) | Hurricane Barry |
| Oct 9, 2020 | 75 hrs | 3,910 (33%) | Hurricane Delta |
Over the 12 years from 2014 to 2025, Iberville Parish recorded 1,076 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Iberville Parish started August 29, 2021 (Tropical Storm Ida), lasting 18 hours and leaving up to 6,069 customers without power (51% of the county) at its peak.
July has historically been the worst month for outages in Iberville Parish, with 135 events recorded during that month across the dataset.
Based on this history, Iberville Parish earns a Reliability Grade of F, placing it in the 8th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Iberville Parish's outage profile
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Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Iberville Parish.
| County | Grade | National percentile |
|---|---|---|
| East Baton Rouge Parish | F | 7th |
| Acadia Parish | F | 7th |
| LaSalle Parish | F | 7th |
| East Carroll Parish | F | 8th |
| Claiborne Parish | F | 8th |
FAQ
How often does power go out in Iberville Parish?
Between 2014 and 2025, Iberville Parish recorded 1,076 outage events, averaging 3.0 hours each.
What is Iberville Parish's reliability grade?
Iberville Parish has a Reliability Grade of F, in the 8th national percentile.
What was the worst power outage in Iberville Parish?
The worst outage on record started August 29, 2021 (Tropical Storm Ida), lasting 18 hours and affecting up to 6,069 customers.