Lapeer 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 4, 2018 | 55 hrs | 15,406 (37%) | High Wind |
| Jul 20, 2019 | 49 hrs | 11,759 (29%) | Thunderstorm Wind |
| Aug 12, 2021 | 8 hrs | 9,491 (23%) | Unnamed event |
| Dec 11, 2021 | 50 hrs | 8,953 (22%) | High Wind |
| Nov 16, 2020 | 1 hrs | 7,496 (18%) | High Wind |
Over the 12 years from 2014 to 2025, Lapeer County recorded 778 distinct power outage events, averaging 4.3 hours per event.
The single worst outage on record in Lapeer County started May 4, 2018 (High Wind), lasting 55 hours and leaving up to 15,406 customers without power (37% of the county) at its peak.
August has historically been the worst month for outages in Lapeer County, with 118 events recorded during that month across the dataset.
Based on this history, Lapeer County earns a Reliability Grade of F, placing it in the 16th 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 Lapeer County.
| County | Grade | National percentile |
|---|---|---|
| Barry County | F | 16th |
| Calhoun County | F | 16th |
| Mecosta County | F | 16th |
| St. Clair County | F | 17th |
| Kalamazoo County | F | 17th |
FAQ
How often does power go out in Lapeer County?
Between 2014 and 2025, Lapeer County recorded 778 outage events, averaging 4.3 hours each.
What is Lapeer County's reliability grade?
Lapeer County has a Reliability Grade of F, in the 16th national percentile.
What was the worst power outage in Lapeer County?
The worst outage on record started May 4, 2018 (High Wind), lasting 55 hours and affecting up to 15,406 customers.