Alcona CountyPower Outage History
2014–2025 · Michigan
Bottom 20% least reliable nationally — frequent and/or long outages.
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 |
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).
Sized for Alcona 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 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 in Michigan
The top 3 counties in Michigan by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Houghton County | B | 77th |
| Grand Traverse County | B | 70th |
| Bay County | B | 61st |
Least reliable counties in Michigan
The bottom 3 counties in Michigan by reliability grade and percentile.
| County | Grade | National percentile |
|---|---|---|
| Ogemaw County | F | 1st |
| Oscoda County | F | 2nd |
| Alcona County | F | 2nd |
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.