PowerOutageHistory
C

Dent County Power Outage History

20172025 · Missouri

Average — typical outage frequency and duration nationally. How grades are calculated

Total events
800
Avg duration
2.5 hrs
Longest outage
95 hrs
National percentile
50th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jan 25, 202317 hrs3,834 (40%)Winter Storm
May 27, 201795 hrs2,960 (31%)Hail
Dec 3, 20222 hrs2,503 (26%)Unnamed event
Jul 1, 202311 hrs2,085 (22%)Drought
Jan 25, 202351 hrs1,809 (19%)Winter Storm

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).

Sized for Dent County's outage profile

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Outage-prep kit

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Similar counties in Missouri

Counties with the closest reliability grade and national percentile to Dent County.

CountyGradeNational percentile
Webster CountyC50th
Buchanan CountyC51st
St. Clair CountyC49th
Crawford CountyC51st
Warren CountyC51st

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.

Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.