Winn 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 27, 2020 | 255 hrs | 5,963 (71%) | Hurricane Laura |
| Oct 10, 2020 | 71 hrs | 4,137 (49%) | Hurricane Delta |
| Feb 18, 2021 | 123 hrs | 3,047 (36%) | Winter Storm Uri |
| Feb 17, 2021 | 21 hrs | 2,978 (36%) | Winter Storm Uri |
| May 29, 2017 | 65 hrs | 2,696 (32%) | Tornado |
Over the 12 years from 2014 to 2025, Winn Parish recorded 992 distinct power outage events, averaging 4.0 hours per event.
The single worst outage on record in Winn Parish started August 27, 2020 (Hurricane Laura), lasting 255 hours and leaving up to 5,963 customers without power (71% of the county) at its peak.
August has historically been the worst month for outages in Winn Parish, with 122 events recorded during that month across the dataset.
Based on this history, Winn Parish earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Winn 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 Winn Parish.
| County | Grade | National percentile |
|---|---|---|
| East Feliciana Parish | F | 2nd |
| Livingston Parish | F | 2nd |
| Ascension Parish | F | 2nd |
| Vernon Parish | F | 2nd |
| Grant Parish | F | 2nd |
FAQ
How often does power go out in Winn Parish?
Between 2014 and 2025, Winn Parish recorded 992 outage events, averaging 4.0 hours each.
What is Winn Parish's reliability grade?
Winn Parish has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Winn Parish?
The worst outage on record started August 27, 2020 (Hurricane Laura), lasting 255 hours and affecting up to 5,963 customers.