PowerOutageHistory
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Buchanan County Power Outage History

20142025 · Iowa

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

Total events
279
Avg duration
2.8 hrs
Longest outage
58 hrs
National percentile
84th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Jul 15, 20241 hrs1,511 (12%)Thunderstorm Wind
Sep 22, 20162 hrs1,498 (12%)Unnamed event
Nov 5, 20162 hrs1,493 (12%)Unnamed event
Feb 23, 20231 hrs1,490 (12%)Ice Storm
Nov 30, 20253 hrs1,481 (12%)Winter Storm

Over the 12 years from 2014 to 2025, Buchanan County recorded 279 distinct power outage events, averaging 2.8 hours per event.

The single worst outage on record in Buchanan County started July 15, 2024 (Thunderstorm Wind), lasting 1 hours and leaving up to 1,511 customers without power (12% of the county) at its peak.

July has historically been the worst month for outages in Buchanan County, with 40 events recorded during that month across the dataset.

Based on this history, Buchanan County earns a Reliability Grade of A, placing it in the 84th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Buchanan 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 Iowa

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

CountyGradeNational percentile
Mahaska CountyA84th
Dickinson CountyA85th
Chickasaw CountyA85th
Woodbury CountyA83rd
Wapello CountyA83rd

FAQ

How often does power go out in Buchanan County?

Between 2014 and 2025, Buchanan County recorded 279 outage events, averaging 2.8 hours each.

What is Buchanan County's reliability grade?

Buchanan County has a Reliability Grade of A, in the 84th national percentile.

What was the worst power outage in Buchanan County?

The worst outage on record started July 15, 2024 (Thunderstorm Wind), lasting 1 hours and affecting up to 1,511 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.