Hennepin County Power Outage History
2014–2025 · Minnesota
Better than average — fewer or shorter 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 |
|---|---|---|---|
| Jun 24, 2023 | 31 hrs | 84,596 (14%) | Thunderstorm Wind |
| Jul 14, 2024 | 7 hrs | 75,672 (12%) | Hail |
| Aug 27, 2024 | 1 hrs | 71,755 (11%) | Thunderstorm Wind |
| Aug 27, 2024 | 84 hrs | 70,177 (11%) | Thunderstorm Wind |
| Aug 27, 2024 | 9 hrs | 64,243 (10%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Hennepin County recorded 5,114 distinct power outage events, averaging 2.0 hours per event.
The single worst outage on record in Hennepin County started June 24, 2023 (Thunderstorm Wind), lasting 31 hours and leaving up to 84,596 customers without power (14% of the county) at its peak.
June has historically been the worst month for outages in Hennepin County, with 837 events recorded during that month across the dataset.
Based on this history, Hennepin County earns a Reliability Grade of B, placing it in the 66th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Hennepin County's outage profile
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Outage-prep kit
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Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Hennepin County.
| County | Grade | National percentile |
|---|---|---|
| Wabasha County | B | 66th |
| Stevens County | B | 66th |
| Rock County | B | 67th |
| Le Sueur County | B | 66th |
| Chisago County | B | 67th |
FAQ
How often does power go out in Hennepin County?
Between 2014 and 2025, Hennepin County recorded 5,114 outage events, averaging 2.0 hours each.
What is Hennepin County's reliability grade?
Hennepin County has a Reliability Grade of B, in the 66th national percentile.
What was the worst power outage in Hennepin County?
The worst outage on record started June 24, 2023 (Thunderstorm Wind), lasting 31 hours and affecting up to 84,596 customers.