Norman CountyPower Outage History
2015–2025 · Minnesota
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 8, 2020 | 10 hrs | 928 (34%) | Hail |
| Oct 31, 2020 | <1 hr | 918 (34%) | Unnamed event |
| Aug 13, 2020 | <1 hr | 918 (34%) | Hail |
| Jun 18, 2020 | 1 hrs | 918 (34%) | Unnamed event |
| Jun 19, 2020 | <1 hr | 918 (34%) | Unnamed event |
Over the 11 years from 2015 to 2025, Norman County recorded 71 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Norman County started June 8, 2020 (Hail), lasting 10 hours and leaving up to 928 customers without power (34% of the county) at its peak.
June has historically been the worst month for outages in Norman County, with 12 events recorded during that month across the dataset.
Based on this history, Norman County earns a Reliability Grade of B, placing it in the 76th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Norman County's outage profile
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Read our mission →Similar counties in Minnesota
Counties with the closest reliability grade and national percentile to Norman County.
| County | Grade | National percentile |
|---|---|---|
| Red Lake County | B | 77th |
| Pope County | B | 77th |
| Carver County | B | 78th |
| Wilkin County | B | 79th |
| Goodhue County | B | 73rd |
Most reliable counties in Minnesota
The top 3 counties in Minnesota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Clearwater County | A | 99th |
| Brown County | A | 99th |
| Jackson County | A | 98th |
Least reliable counties in Minnesota
The bottom 3 counties in Minnesota by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Cass County | F | 16th |
| Aitkin County | F | 18th |
| Itasca County | D | 25th |
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 Norman County?
Between 2015 and 2025, Norman County recorded 71 outage events, averaging 3.3 hours each.
What is Norman County's reliability grade?
Norman County has a Reliability Grade of B, in the 76th national percentile.
What was the worst power outage in Norman County?
The worst outage on record started June 8, 2020 (Hail), lasting 10 hours and affecting up to 928 customers.