Monroe 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 |
|---|---|---|---|
| Feb 22, 2023 | 213 hrs | 31,789 (44%) | Ice Storm |
| Aug 12, 2021 | 102 hrs | 29,923 (41%) | Thunderstorm Wind |
| Aug 11, 2021 | 4 hrs | 28,028 (38%) | Thunderstorm Wind |
| Aug 11, 2021 | <1 hr | 24,395 (33%) | Thunderstorm Wind |
| Aug 12, 2021 | 3 hrs | 23,784 (33%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Monroe County, Michigan that day.
Over the 12 years from 2014 to 2025, Monroe County recorded 1,084 distinct power outage events, averaging 4.4 hours per event.
The single worst outage on record in Monroe County started February 22, 2023 (Ice Storm), lasting 213 hours and leaving up to 31,789 customers without power (44% of the county) at its peak.
June has historically been the worst month for outages in Monroe County, with 161 events recorded during that month across the dataset.
Based on this history, Monroe County earns a Reliability Grade of F, placing it in the 9th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Monroe County.
| County | Grade | National percentile |
|---|---|---|
| Lenawee County | F | 10th |
| Emmet County | F | 10th |
| St. Joseph County | F | 10th |
| Charlevoix County | F | 10th |
| Antrim County | F | 9th |
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 Monroe County?
Between 2014 and 2025, Monroe County recorded 1,084 outage events, averaging 4.4 hours each.
What is Monroe County's reliability grade?
Monroe County has a Reliability Grade of F, in the 9th national percentile.
What was the worst power outage in Monroe County?
The worst outage on record started February 22, 2023 (Ice Storm), lasting 213 hours and affecting up to 31,789 customers.