Dent 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 |
|---|---|---|---|
| Jan 25, 2023 | 17 hrs | 3,834 (40%) | Winter Storm |
| May 27, 2017 | 95 hrs | 2,960 (31%) | Hail |
| Dec 3, 2022 | 2 hrs | 2,503 (26%) | Unnamed event |
| Jul 1, 2023 | 11 hrs | 2,085 (22%) | Drought |
| Jan 25, 2023 | 51 hrs | 1,809 (19%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Dent County, Missouri that day.
Over the 9 years from 2017 to 2025, Dent County recorded 800 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Dent County started January 25, 2023 (Winter Storm), lasting 17 hours and leaving up to 3,834 customers without power (40% of the county) at its peak.
August has historically been the worst month for outages in Dent County, with 125 events recorded during that month across the dataset.
Based on this history, Dent County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Missouri
Counties with the closest reliability grade and national percentile to Dent County.
| County | Grade | National percentile |
|---|---|---|
| Webster County | C | 50th |
| Buchanan County | C | 51st |
| St. Clair County | C | 49th |
| Crawford County | C | 51st |
| Warren County | C | 51st |
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 Dent County?
Between 2017 and 2025, Dent County recorded 800 outage events, averaging 2.5 hours each.
What is Dent County's reliability grade?
Dent County has a Reliability Grade of C, in the 50th national percentile.
What was the worst power outage in Dent County?
The worst outage on record started January 25, 2023 (Winter Storm), lasting 17 hours and affecting up to 3,834 customers.