PowerOutageHistory
C

Ozark County Power Outage History

20192025 · Missouri

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

Total events
576
Avg duration
2.6 hrs
Longest outage
71 hrs
National percentile
53rd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Sep 7, 20190 hrs2,319 (28%)Unnamed event
Jul 17, 20239 hrs2,101 (26%)Thunderstorm Wind
Jun 12, 202145 hrs1,820 (22%)Thunderstorm Wind
Oct 21, 201945 hrs1,404 (17%)Thunderstorm Wind
Jul 30, 20236 hrs1,388 (17%)Thunderstorm Wind

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 0 hours 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).

Sized for Ozark 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 Ozark County.

CountyGradeNational percentile
Christian CountyC53rd
Vernon CountyC54th
Jefferson CountyC54th
Stoddard CountyC55th
Pemiscot CountyC55th

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 0 hours and affecting up to 2,319 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.