Ogemaw 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 |
|---|---|---|---|
| Dec 16, 2021 | 77 hrs | 9,602 (82%) | High Wind |
| Dec 24, 2015 | 108 hrs | 9,196 (78%) | High Wind |
| Aug 2, 2015 | 45 hrs | 8,233 (70%) | Hail |
| Dec 16, 2021 | 7 hrs | 7,847 (67%) | High Wind |
| Aug 4, 2015 | 9 hrs | 7,724 (66%) | Hail |
Over the 12 years from 2014 to 2025, Ogemaw County recorded 881 distinct power outage events, averaging 5.0 hours per event.
The single worst outage on record in Ogemaw County started December 16, 2021 (High Wind), lasting 77 hours and leaving up to 9,602 customers without power (82% of the county) at its peak.
July has historically been the worst month for outages in Ogemaw County, with 112 events recorded during that month across the dataset.
Based on this history, Ogemaw County earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Ogemaw County.
| County | Grade | National percentile |
|---|---|---|
| Oscoda County | F | 2nd |
| Alcona County | F | 2nd |
| Clare County | F | 2nd |
| Arenac County | F | 3rd |
| Iosco County | F | 3rd |
FAQ
How often does power go out in Ogemaw County?
Between 2014 and 2025, Ogemaw County recorded 881 outage events, averaging 5.0 hours each.
What is Ogemaw County's reliability grade?
Ogemaw County has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Ogemaw County?
The worst outage on record started December 16, 2021 (High Wind), lasting 77 hours and affecting up to 9,602 customers.