Cass County Power Outage History
2015–2025 · Indiana
Top 20% most reliable nationally — infrequent, short outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 28, 2015 | 28 hrs | 1,131 (5%) | Winter Weather |
| Dec 27, 2022 | 3 hrs | 1,041 (4%) | Winter Storm |
| May 26, 2019 | 4 hrs | 921 (4%) | Thunderstorm Wind |
| Apr 15, 2019 | 2 hrs | 897 (4%) | Unnamed event |
| Nov 5, 2022 | 2 hrs | 886 (4%) | Unnamed event |
Over the 11 years from 2015 to 2025, Cass County recorded 74 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Cass County started December 28, 2015 (Winter Weather), lasting 28 hours and leaving up to 1,131 customers without power (5% of the county) at its peak.
June has historically been the worst month for outages in Cass County, with 11 events recorded during that month across the dataset.
Based on this history, Cass County earns a Reliability Grade of A, placing it in the 96th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Cass County's outage profile
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Similar counties in Indiana
Counties with the closest reliability grade and national percentile to Cass County.
| County | Grade | National percentile |
|---|---|---|
| Daviess County | A | 95th |
| Boone County | A | 95th |
| Jasper County | A | 94th |
| Perry County | A | 99th |
| Miami County | A | 92nd |
FAQ
How often does power go out in Cass County?
Between 2015 and 2025, Cass County recorded 74 outage events, averaging 2.9 hours each.
What is Cass County's reliability grade?
Cass County has a Reliability Grade of A, in the 96th national percentile.
What was the worst power outage in Cass County?
The worst outage on record started December 28, 2015 (Winter Weather), lasting 28 hours and affecting up to 1,131 customers.