Ozark CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 7, 2019 | <1 hr | 2,319 (28%) | Unnamed event |
| Jul 17, 2023 | 9 hrs | 2,101 (26%) | Thunderstorm Wind |
| Jun 12, 2021 | 45 hrs | 1,820 (22%) | Thunderstorm Wind |
| Oct 21, 2019 | 45 hrs | 1,404 (17%) | Thunderstorm Wind |
| Jul 30, 2023 | 6 hrs | 1,388 (17%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Ozark County, Missouri that day.
Over the 7 years from 2019 to 2025, Ozark County recorded 576 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Ozark County started September 7, 2019, lasting less than 1 hour and leaving up to 2,319 customers without power (28% of the county) at its peak.
August has historically been the worst month for outages in Ozark County, with 68 events recorded during that month across the dataset.
Based on this history, Ozark County earns a Reliability Grade of C, placing it in the 53rd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Ozark County.
| County | Grade | National percentile |
|---|---|---|
| Christian County | C | 53rd |
| Vernon County | C | 54th |
| Jefferson County | C | 54th |
| Stoddard County | C | 55th |
| Pemiscot County | C | 55th |
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 Ozark County?
Between 2019 and 2025, Ozark County recorded 576 outage events, averaging 2.6 hours each.
What is Ozark County's reliability grade?
Ozark County has a Reliability Grade of C, in the 53rd national percentile.
What was the worst power outage in Ozark County?
The worst outage on record started September 7, 2019, lasting less than 1 hour and affecting up to 2,319 customers.