PowerOutageHistory
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Wright County Power Outage History

20172025 · Missouri

Top 20% most reliable nationally — infrequent, short outages. How grades are calculated

Total events
418
Avg duration
2.5 hrs
Longest outage
108 hrs
National percentile
86th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 4, 20204 hrs4,113 (24%)Thunderstorm Wind
Jul 18, 20191 hrs2,514 (15%)Unnamed event
Mar 24, 20246 hrs2,240 (13%)Flood
Jan 25, 202317 hrs1,965 (11%)Winter Storm
Aug 29, 202011 hrs1,948 (11%)Thunderstorm Wind

Over the 9 years from 2017 to 2025, Wright County recorded 418 distinct power outage events, averaging 2.5 hours per event.

The single worst outage on record in Wright County started May 4, 2020 (Thunderstorm Wind), lasting 4 hours and leaving up to 4,113 customers without power (24% of the county) at its peak.

May has historically been the worst month for outages in Wright County, with 50 events recorded during that month across the dataset.

Based on this history, Wright County earns a Reliability Grade of A, placing it in the 86th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Wright County's outage profile

See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.

Outage-prep kit

See our outage-prep guides.

Similar counties in Missouri

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

CountyGradeNational percentile
Shelby CountyA86th
Randolph CountyA86th
Caldwell CountyA85th
Scott CountyA87th
Phelps CountyA85th

FAQ

How often does power go out in Wright County?

Between 2017 and 2025, Wright County recorded 418 outage events, averaging 2.5 hours each.

What is Wright County's reliability grade?

Wright County has a Reliability Grade of A, in the 86th national percentile.

What was the worst power outage in Wright County?

The worst outage on record started May 4, 2020 (Thunderstorm Wind), lasting 4 hours and affecting up to 4,113 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.