Chisago CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 27, 2024 | 42 hrs | 11,215 (41%) | Thunderstorm Wind |
| Jul 27, 2023 | 6 hrs | 6,884 (25%) | Hail |
| Jun 7, 2023 | 2 hrs | 6,776 (25%) | Unnamed event |
| Dec 18, 2023 | 3 hrs | 6,207 (23%) | Unnamed event |
| May 9, 2022 | 18 hrs | 5,016 (18%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Chisago County, Minnesota that day.
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).
Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Chisago County.
| County | Grade | National percentile |
|---|---|---|
| Rock County | B | 67th |
| Murray County | B | 68th |
| Yellow Medicine County | B | 68th |
| Hennepin County | B | 66th |
| Wabasha County | B | 66th |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.