Plaquemines 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 30, 2021 | 195 hrs | 12,572 (90%) | Tropical Storm Ida |
| Oct 28, 2020 | 28 hrs | 12,430 (89%) | Hurricane Zeta |
| Aug 29, 2021 | 18 hrs | 11,969 (85%) | Tropical Storm Ida |
| Aug 30, 2021 | <1 hr | 11,944 (85%) | Tropical Storm Ida |
| Aug 29, 2021 | 13 hrs | 10,934 (78%) | Tropical Storm Ida |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Plaquemines Parish, Louisiana that day.
Over the 12 years from 2014 to 2025, Plaquemines Parish recorded 709 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Plaquemines Parish started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and leaving up to 12,572 customers without power (90% of the county) at its peak.
July has historically been the worst month for outages in Plaquemines Parish, with 97 events recorded during that month across the dataset.
Based on this history, Plaquemines 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 Plaquemines Parish.
| County | Grade | National percentile |
|---|---|---|
| St. Charles Parish | F | 1st |
| St. James Parish | F | 1st |
| Sabine Parish | F | 1st |
| Tangipahoa Parish | F | 1st |
| Terrebonne 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 Plaquemines Parish?
Between 2014 and 2025, Plaquemines Parish recorded 709 outage events, averaging 3.6 hours each.
What is Plaquemines Parish's reliability grade?
Plaquemines Parish has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Plaquemines Parish?
The worst outage on record started August 30, 2021 (Tropical Storm Ida), lasting 195 hours and affecting up to 12,572 customers.