Hennepin 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 |
|---|---|---|---|
| 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Hennepin County, Minnesota that day.
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).
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 |
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 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.