Lenawee 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 |
|---|---|---|---|
| Feb 22, 2023 | 126 hrs | 33,294 (69%) | Ice Storm |
| Aug 29, 2022 | 75 hrs | 10,680 (22%) | Thunderstorm Wind |
| Feb 28, 2023 | 50 hrs | 10,280 (21%) | Ice Storm |
| Mar 9, 2017 | 21 hrs | 9,042 (19%) | High Wind |
| Aug 24, 2023 | 114 hrs | 8,773 (18%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Lenawee County recorded 714 distinct power outage events, averaging 4.3 hours per event.
The single worst outage on record in Lenawee County started February 22, 2023 (Ice Storm), lasting 126 hours and leaving up to 33,294 customers without power (69% of the county) at its peak.
June has historically been the worst month for outages in Lenawee County, with 106 events recorded during that month across the dataset.
Based on this history, Lenawee County earns a Reliability Grade of F, placing it in the 10th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Lenawee County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
Outage-prep kit
See our outage-prep guides or the Michigan storm prep checklist.
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Lenawee County.
| County | Grade | National percentile |
|---|---|---|
| Monroe County | F | 9th |
| Emmet County | F | 10th |
| St. Joseph County | F | 10th |
| Charlevoix County | F | 10th |
| Antrim County | F | 9th |
FAQ
How often does power go out in Lenawee County?
Between 2014 and 2025, Lenawee County recorded 714 outage events, averaging 4.3 hours each.
What is Lenawee County's reliability grade?
Lenawee County has a Reliability Grade of F, in the 10th national percentile.
What was the worst power outage in Lenawee County?
The worst outage on record started February 22, 2023 (Ice Storm), lasting 126 hours and affecting up to 33,294 customers.