Chariton CountyPower Outage History
2015–2025 · Missouri
Average — typical outage frequency and duration nationally.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jul 16, 2024 | 35 hrs | 2,572 (43%) | Unnamed event |
| May 10, 2015 | 2 hrs | 2,243 (38%) | Unnamed event |
| Jul 2, 2020 | 2 hrs | 2,235 (38%) | Unnamed event |
| Jul 7, 2016 | 13 hrs | 2,058 (35%) | Thunderstorm Wind |
| Oct 29, 2021 | 1 hrs | 2,014 (34%) | Unnamed event |
Over the 11 years from 2015 to 2025, Chariton County recorded 459 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Chariton County started July 16, 2024, lasting 35 hours and leaving up to 2,572 customers without power (43% of the county) at its peak.
July has historically been the worst month for outages in Chariton County, with 81 events recorded during that month across the dataset.
Based on this history, Chariton County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Chariton County.
| County | Grade | National percentile |
|---|---|---|
| St. Clair County | C | 49th |
| Dent County | C | 50th |
| Webster County | C | 50th |
| Oregon County | C | 47th |
| Jackson County | C | 47th |
Most reliable counties in Missouri
The top 3 counties in Missouri by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Mercer County | A | 98th |
| McDonald County | A | 97th |
| Boone County | A | 97th |
Least reliable counties in Missouri
The bottom 3 counties in Missouri by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| St. Louis County | F | 10th |
| Reynolds County | F | 20th |
| Iron County | D | 22nd |
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 Chariton County?
Between 2015 and 2025, Chariton County recorded 459 outage events, averaging 3.0 hours each.
What is Chariton County's reliability grade?
Chariton County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Chariton County?
The worst outage on record started July 16, 2024, lasting 35 hours and affecting up to 2,572 customers.