PowerOutageHistory
B

Osage County Power Outage History

20152025 · Missouri

Better than average — fewer or shorter outages than most counties. How grades are calculated

Total events
520
Avg duration
2.1 hrs
Longest outage
34 hrs
National percentile
72nd

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
May 19, 201734 hrs1,978 (25%)Thunderstorm Wind
Sep 9, 20191 hrs1,586 (20%)Unnamed event
Nov 17, 20223 hrs1,540 (19%)Unnamed event
Jun 7, 20250 hrs1,229 (15%)Unnamed event
May 1, 20213 hrs1,212 (15%)Unnamed event

Over the 11 years from 2015 to 2025, Osage County recorded 520 distinct power outage events, averaging 2.1 hours per event.

The single worst outage on record in Osage County started May 19, 2017 (Thunderstorm Wind), lasting 34 hours and leaving up to 1,978 customers without power (25% of the county) at its peak.

June has historically been the worst month for outages in Osage County, with 67 events recorded during that month across the dataset.

Based on this history, Osage County earns a Reliability Grade of B, placing it in the 72nd percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Osage 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 Osage County.

CountyGradeNational percentile
Camden CountyB72nd
Platte CountyB73rd
Texas CountyB72nd
Howard CountyB73rd
Douglas CountyB71st

FAQ

How often does power go out in Osage County?

Between 2015 and 2025, Osage County recorded 520 outage events, averaging 2.1 hours each.

What is Osage County's reliability grade?

Osage County has a Reliability Grade of B, in the 72nd national percentile.

What was the worst power outage in Osage County?

The worst outage on record started May 19, 2017 (Thunderstorm Wind), lasting 34 hours and affecting up to 1,978 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.