Carlton County Power Outage History
2014–2025 · Minnesota
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 15, 2022 | 88 hrs | 7,550 (33%) | Ice Storm |
| Sep 19, 2025 | 2 hrs | 5,728 (25%) | Unnamed event |
| Feb 28, 2020 | 2 hrs | 4,706 (21%) | Unnamed event |
| Mar 29, 2020 | 37 hrs | 4,527 (20%) | Heavy Snow |
| Aug 15, 2020 | 33 hrs | 4,418 (20%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Carlton County recorded 559 distinct power outage events, averaging 2.4 hours per event.
The single worst outage on record in Carlton County started December 15, 2022 (Ice Storm), lasting 88 hours and leaving up to 7,550 customers without power (33% of the county) at its peak.
October has historically been the worst month for outages in Carlton County, with 80 events recorded during that month across the dataset.
Based on this history, Carlton County earns a Reliability Grade of C, placing it in the 50th percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Carlton County.
| County | Grade | National percentile |
|---|---|---|
| Hubbard County | C | 48th |
| Koochiching County | C | 47th |
| Morrison County | C | 53rd |
| Crow Wing County | C | 54th |
| Washington County | C | 55th |
FAQ
How often does power go out in Carlton County?
Between 2014 and 2025, Carlton County recorded 559 outage events, averaging 2.4 hours each.
What is Carlton County's reliability grade?
Carlton County has a Reliability Grade of C, in the 50th national percentile.
What was the worst power outage in Carlton County?
The worst outage on record started December 15, 2022 (Ice Storm), lasting 88 hours and affecting up to 7,550 customers.