Alcona CountyPower Outage History
What this grade means
(How grades are calculated)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 |
|---|---|---|---|
| Jan 12, 2024 | 123 hrs | 5,172 (85%) | Winter Storm |
| Dec 24, 2015 | 104 hrs | 5,149 (85%) | Unnamed event |
| Apr 10, 2015 | 16 hrs | 4,790 (79%) | Unnamed event |
| Aug 2, 2015 | 48 hrs | 4,758 (78%) | Hail |
| Jun 20, 2016 | 5 hrs | 4,735 (78%) | Hail |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Alcona County, Michigan that day.
Over the 12 years from 2014 to 2025, Alcona County recorded 888 distinct power outage events, averaging 5.7 hours per event.
The single worst outage on record in Alcona County started January 12, 2024 (Winter Storm), lasting 123 hours and leaving up to 5,172 customers without power (85% of the county) at its peak.
July has historically been the worst month for outages in Alcona County, with 101 events recorded during that month across the dataset.
Based on this history, Alcona County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Alcona County.
| County | Grade | National percentile |
|---|---|---|
| Oscoda County | F | 2nd |
| Clare County | F | 2nd |
| Ogemaw County | F | 1st |
| Arenac County | F | 3rd |
| Iosco County | F | 3rd |
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 Alcona County?
Between 2014 and 2025, Alcona County recorded 888 outage events, averaging 5.7 hours each.
What is Alcona County's reliability grade?
Alcona County has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Alcona County?
The worst outage on record started January 12, 2024 (Winter Storm), lasting 123 hours and affecting up to 5,172 customers.