St. Joseph County Power Outage History
2014–2025 · Indiana
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Mar 30, 2025 | 73 hrs | 25,546 (20%) | Thunderstorm Wind |
| Jan 1, 2021 | 27 hrs | 22,952 (18%) | Unnamed event |
| Jun 20, 2016 | 3 hrs | 18,140 (14%) | Thunderstorm Wind |
| Jun 20, 2016 | 0 hrs | 17,821 (14%) | Thunderstorm Wind |
| Sep 28, 2019 | 63 hrs | 16,266 (13%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, St. Joseph County recorded 1,200 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in St. Joseph County started March 30, 2025 (Thunderstorm Wind), lasting 73 hours and leaving up to 25,546 customers without power (20% of the county) at its peak.
June has historically been the worst month for outages in St. Joseph County, with 188 events recorded during that month across the dataset.
Based on this history, St. Joseph County earns a Reliability Grade of D, placing it in the 37th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for St. Joseph County's outage profile
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Similar counties in Indiana
Counties with the closest reliability grade and national percentile to St. Joseph County.
| County | Grade | National percentile |
|---|---|---|
| Fountain County | D | 37th |
| Kosciusko County | D | 38th |
| Vermillion County | D | 34th |
| Porter County | D | 33rd |
| Clay County | D | 33rd |
FAQ
How often does power go out in St. Joseph County?
Between 2014 and 2025, St. Joseph County recorded 1,200 outage events, averaging 3.7 hours each.
What is St. Joseph County's reliability grade?
St. Joseph County has a Reliability Grade of D, in the 37th national percentile.
What was the worst power outage in St. Joseph County?
The worst outage on record started March 30, 2025 (Thunderstorm Wind), lasting 73 hours and affecting up to 25,546 customers.