Lake County Power Outage History
2014–2025 · Minnesota
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 15, 2025 | 0 hrs | 2,933 (39%) | Thunderstorm Wind |
| Apr 10, 2019 | 109 hrs | 2,787 (37%) | Heavy Snow |
| Jul 18, 2019 | 0 hrs | 1,792 (24%) | Thunderstorm Wind |
| Jan 4, 2019 | 2 hrs | 1,785 (24%) | Unnamed event |
| Dec 16, 2018 | 1 hrs | 1,781 (24%) | Unnamed event |
Over the 12 years from 2014 to 2025, Lake County recorded 364 distinct power outage events, averaging 4.2 hours per event.
The single worst outage on record in Lake County started May 15, 2025 (Thunderstorm Wind), lasting 0 hours and leaving up to 2,933 customers without power (39% of the county) at its peak.
July has historically been the worst month for outages in Lake County, with 59 events recorded during that month across the dataset.
Based on this history, Lake County earns a Reliability Grade of D, placing it in the 38th 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 Lake County.
| County | Grade | National percentile |
|---|---|---|
| Pipestone County | D | 38th |
| Pine County | D | 37th |
| Beltrami County | C | 41st |
| St. Louis County | C | 43rd |
| Todd County | C | 43rd |
FAQ
How often does power go out in Lake County?
Between 2014 and 2025, Lake County recorded 364 outage events, averaging 4.2 hours each.
What is Lake County's reliability grade?
Lake County has a Reliability Grade of D, in the 38th national percentile.
What was the worst power outage in Lake County?
The worst outage on record started May 15, 2025 (Thunderstorm Wind), lasting 0 hours and affecting up to 2,933 customers.