Mississippi CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Apr 2, 2024 | 26 hrs | 4,773 (45%) | Unnamed event |
| Mar 6, 2017 | 8 hrs | 4,670 (44%) | Hail |
| Feb 11, 2019 | 3 hrs | 2,975 (28%) | Dense Fog |
| Apr 5, 2022 | 2 hrs | 2,927 (28%) | Strong Wind |
| Jul 27, 2016 | 6 hrs | 2,838 (27%) | Excessive Heat |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Mississippi County, Missouri that day.
Over the 11 years from 2015 to 2025, Mississippi County recorded 183 distinct power outage events, averaging 3.2 hours per event.
The single worst outage on record in Mississippi County started April 2, 2024, lasting 26 hours and leaving up to 4,773 customers without power (45% of the county) at its peak.
July has historically been the worst month for outages in Mississippi County, with 27 events recorded during that month across the dataset.
Based on this history, Mississippi County earns a Reliability Grade of B, placing it in the 65th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Mississippi County.
| County | Grade | National percentile |
|---|---|---|
| Clinton County | B | 65th |
| Clay County | B | 66th |
| Carroll County | B | 64th |
| Miller County | B | 66th |
| Maries County | B | 66th |
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 2015 and 2025, Mississippi County recorded 183 outage events, averaging 3.2 hours each.
What is Mississippi County's reliability grade?
Mississippi County has a Reliability Grade of B, in the 65th national percentile.
What was the worst power outage in Mississippi County?
The worst outage on record started April 2, 2024, lasting 26 hours and affecting up to 4,773 customers.