Lapeer CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Lapeer County, Michigan that day.
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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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.