Mississippi CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 30, 2017 | 74 hrs | 7,688 (33%) | Thunderstorm Wind |
| Mar 1, 2017 | 38 hrs | 6,806 (30%) | Thunderstorm Wind |
| Jul 14, 2015 | 2 hrs | 5,560 (24%) | Thunderstorm Wind |
| Jan 22, 2016 | 30 hrs | 5,428 (24%) | Winter Weather |
| Mar 30, 2022 | 8 hrs | 4,182 (18%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Mississippi County, Arkansas that day.
Over the 12 years from 2014 to 2025, Mississippi County recorded 765 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Mississippi County started April 30, 2017 (Thunderstorm Wind), lasting 74 hours and leaving up to 7,688 customers without power (33% of the county) at its peak.
May has historically been the worst month for outages in Mississippi County, with 89 events recorded during that month across the dataset.
Based on this history, Mississippi County earns a Reliability Grade of D, placing it in the 28th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Arkansas
Counties with the closest reliability grade and national percentile to Mississippi County.
| County | Grade | National percentile |
|---|---|---|
| Scott County | D | 28th |
| Pope County | D | 28th |
| Clark County | D | 26th |
| Pulaski County | D | 26th |
| Lee County | D | 29th |
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 Mississippi County?
Between 2014 and 2025, Mississippi County recorded 765 outage events, averaging 3.4 hours each.
What is Mississippi County's reliability grade?
Mississippi County has a Reliability Grade of D, in the 28th national percentile.
What was the worst power outage in Mississippi County?
The worst outage on record started April 30, 2017 (Thunderstorm Wind), lasting 74 hours and affecting up to 7,688 customers.