Berrien County Power Outage History
2014–2025 · Michigan
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| May 16, 2025 | 66 hrs | 19,751 (31%) | Thunderstorm Wind |
| Aug 10, 2020 | 78 hrs | 16,695 (26%) | Thunderstorm Wind |
| Aug 10, 2021 | 69 hrs | 16,038 (25%) | Flash Flood |
| Nov 26, 2018 | 41 hrs | 14,689 (23%) | Unnamed event |
| Oct 20, 2018 | 95 hrs | 14,493 (23%) | Unnamed event |
Over the 12 years from 2014 to 2025, Berrien County recorded 2,764 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Berrien County started May 16, 2025 (Thunderstorm Wind), lasting 66 hours and leaving up to 19,751 customers without power (31% of the county) at its peak.
June has historically been the worst month for outages in Berrien County, with 363 events recorded during that month across the dataset.
Based on this history, Berrien County earns a Reliability Grade of F, placing it in the 11th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Berrien County's outage profile
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Berrien County.
| County | Grade | National percentile |
|---|---|---|
| Washtenaw County | F | 11th |
| Jackson County | F | 11th |
| Oakland County | F | 11th |
| Charlevoix County | F | 10th |
| St. Joseph County | F | 10th |
FAQ
How often does power go out in Berrien County?
Between 2014 and 2025, Berrien County recorded 2,764 outage events, averaging 3.7 hours each.
What is Berrien County's reliability grade?
Berrien County has a Reliability Grade of F, in the 11th national percentile.
What was the worst power outage in Berrien County?
The worst outage on record started May 16, 2025 (Thunderstorm Wind), lasting 66 hours and affecting up to 19,751 customers.