Tuscola County Power Outage History
2014–2025 · Michigan
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Jun 10, 2020 | 1 hrs | 48,127 (90%) | Unnamed event |
| Jun 10, 2020 | 1 hrs | 25,905 (49%) | Unnamed event |
| Jan 12, 2020 | 7 hrs | 9,691 (18%) | Ice Storm |
| Jan 12, 2020 | 28 hrs | 8,242 (15%) | Ice Storm |
| Jan 12, 2020 | 3 hrs | 7,744 (15%) | Ice Storm |
Over the 12 years from 2014 to 2025, Tuscola County recorded 612 distinct power outage events, averaging 5.3 hours per event.
The single worst outage on record in Tuscola County started June 10, 2020, lasting 1 hours and leaving up to 48,127 customers without power (90% of the county) at its peak.
November has historically been the worst month for outages in Tuscola County, with 93 events recorded during that month across the dataset.
Based on this history, Tuscola County earns a Reliability Grade of C, placing it in the 43rd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Tuscola County's outage profile
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Tuscola County.
| County | Grade | National percentile |
|---|---|---|
| Genesee County | C | 43rd |
| Ottawa County | C | 43rd |
| Dickinson County | C | 42nd |
| Clinton County | C | 46th |
| Ontonagon County | C | 47th |
FAQ
How often does power go out in Tuscola County?
Between 2014 and 2025, Tuscola County recorded 612 outage events, averaging 5.3 hours each.
What is Tuscola County's reliability grade?
Tuscola County has a Reliability Grade of C, in the 43rd national percentile.
What was the worst power outage in Tuscola County?
The worst outage on record started June 10, 2020, lasting 1 hours and affecting up to 48,127 customers.