PowerOutageHistory
B

Chisago County Power Outage History

20142025 · Minnesota

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

Total events
419
Avg duration
2.6 hrs
Longest outage
42 hrs
National percentile
67th

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Aug 27, 202442 hrs11,215 (41%)Thunderstorm Wind
Jul 27, 20236 hrs6,884 (25%)Hail
Jun 7, 20232 hrs6,776 (25%)Unnamed event
Dec 18, 20233 hrs6,207 (23%)Unnamed event
May 9, 202218 hrs5,016 (18%)Hail

Over the 12 years from 2014 to 2025, Chisago County recorded 419 distinct power outage events, averaging 2.6 hours per event.

The single worst outage on record in Chisago County started August 27, 2024 (Thunderstorm Wind), lasting 42 hours and leaving up to 11,215 customers without power (41% of the county) at its peak.

July has historically been the worst month for outages in Chisago County, with 99 events recorded during that month across the dataset.

Based on this history, Chisago County earns a Reliability Grade of B, placing it in the 67th percentile nationally for grid reliability (higher percentile = more reliable).

Sized for Chisago 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 Minnesota

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

CountyGradeNational percentile
Rock CountyB67th
Murray CountyB68th
Yellow Medicine CountyB68th
Hennepin CountyB66th
Wabasha CountyB66th

FAQ

How often does power go out in Chisago County?

Between 2014 and 2025, Chisago County recorded 419 outage events, averaging 2.6 hours each.

What is Chisago County's reliability grade?

Chisago County has a Reliability Grade of B, in the 67th national percentile.

What was the worst power outage in Chisago County?

The worst outage on record started August 27, 2024 (Thunderstorm Wind), lasting 42 hours and affecting up to 11,215 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.