Lafayette Parish Power Outage History
2014–2025 · Louisiana
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 9, 2020 | 127 hrs | 50,670 (37%) | Hurricane Laura |
| Aug 27, 2020 | 66 hrs | 42,398 (31%) | Tropical Storm |
| May 13, 2024 | 46 hrs | 26,337 (19%) | Thunderstorm Wind |
| May 17, 2024 | 39 hrs | 21,278 (15%) | Thunderstorm Wind |
| Jul 13, 2019 | 31 hrs | 16,277 (12%) | Hurricane Center |
Over the 12 years from 2014 to 2025, Lafayette Parish recorded 1,004 distinct power outage events, averaging 1.9 hours per event.
The single worst outage on record in Lafayette Parish started October 9, 2020 (Hurricane Laura), lasting 127 hours and leaving up to 50,670 customers without power (37% of the county) at its peak.
August has historically been the worst month for outages in Lafayette Parish, with 122 events recorded during that month across the dataset.
Based on this history, Lafayette Parish earns a Reliability Grade of C, placing it in the 52nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lafayette Parish's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
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 Lafayette Parish.
| County | Grade | National percentile |
|---|---|---|
| West Carroll Parish | C | 47th |
| Franklin Parish | D | 34th |
| Catahoula Parish | D | 30th |
| West Baton Rouge Parish | D | 26th |
| Iberia Parish | D | 26th |
FAQ
How often does power go out in Lafayette Parish?
Between 2014 and 2025, Lafayette Parish recorded 1,004 outage events, averaging 1.9 hours each.
What is Lafayette Parish's reliability grade?
Lafayette Parish has a Reliability Grade of C, in the 52nd national percentile.
What was the worst power outage in Lafayette Parish?
The worst outage on record started October 9, 2020 (Hurricane Laura), lasting 127 hours and affecting up to 50,670 customers.