Calcasieu 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 26, 2020 | 845 hrs | 103,022 (69%) | Unnamed event |
| Oct 9, 2020 | 273 hrs | 85,666 (57%) | Unnamed event |
| Feb 16, 2021 | 47 hrs | 43,274 (29%) | Winter Storm Uri |
| May 26, 2015 | 8 hrs | 39,045 (26%) | Flash Flood |
| Apr 10, 2024 | 43 hrs | 32,379 (22%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Calcasieu Parish, Louisiana that day.
Over the 12 years from 2014 to 2025, Calcasieu Parish recorded 2,502 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Calcasieu Parish started August 26, 2020, lasting 845 hours and leaving up to 103,022 customers without power (69% of the county) at its peak.
August has historically been the worst month for outages in Calcasieu Parish, with 311 events recorded during that month across the dataset.
Based on this history, Calcasieu Parish earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Louisiana
Counties with the closest reliability grade and national percentile to Calcasieu Parish.
| County | Grade | National percentile |
|---|---|---|
| Red River Parish | F | 1st |
| Beauregard Parish | F | 0th |
| Terrebonne Parish | F | 1st |
| Sabine Parish | F | 1st |
| St. Charles Parish | F | 1st |
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 Calcasieu Parish?
Between 2014 and 2025, Calcasieu Parish recorded 2,502 outage events, averaging 2.8 hours each.
What is Calcasieu Parish's reliability grade?
Calcasieu Parish has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Calcasieu Parish?
The worst outage on record started August 26, 2020, lasting 845 hours and affecting up to 103,022 customers.