Mower CountyPower Outage History
What this grade means
Top 20% most reliable nationally — infrequent, short outages. This county ranks in the most reliable fifth of all US counties in our dataset, based on 12 years of real DOE outage records: outages happen less often here, and when they do occur they tend to be resolved quickly compared to the rest of the country. Baseline outage risk is low, though a severe local storm can still occasionally cause a longer-than-usual outage regardless of the long-term track record.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 19, 2025 | 3 hrs | 2,412 (13%) | Unnamed event |
| May 9, 2025 | 1 hrs | 1,037 (6%) | Unnamed event |
| Jun 17, 2025 | 6 hrs | 1,028 (6%) | Thunderstorm Wind |
| Apr 9, 2025 | 1 hrs | 930 (5%) | Unnamed event |
| Feb 6, 2015 | 2 hrs | 776 (4%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Mower County, Minnesota that day.
Over the 12 years from 2014 to 2025, Mower County recorded 45 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Mower County started October 19, 2025, lasting 3 hours and leaving up to 2,412 customers without power (13% of the county) at its peak.
July has historically been the worst month for outages in Mower County, with 11 events recorded during that month across the dataset.
Based on this history, Mower County earns a Reliability Grade of A, placing it in the 97th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Mower County.
| County | Grade | National percentile |
|---|---|---|
| Watonwan County | A | 97th |
| Nobles County | A | 98th |
| Faribault County | A | 97th |
| Fillmore County | A | 98th |
| Martin County | A | 98th |
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 Mower County?
Between 2014 and 2025, Mower County recorded 45 outage events, averaging 3.4 hours each.
What is Mower County's reliability grade?
Mower County has a Reliability Grade of A, in the 97th national percentile.
What was the worst power outage in Mower County?
The worst outage on record started October 19, 2025, lasting 3 hours and affecting up to 2,412 customers.