Winn ParishPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Winn Parish, Louisiana that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.