Antrim 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 |
|---|---|---|---|
| Dec 16, 2021 | 86 hrs | 14,851 (76%) | High Wind |
| Dec 24, 2015 | 86 hrs | 8,945 (46%) | High Wind |
| Apr 8, 2021 | 17 hrs | 7,357 (38%) | Thunderstorm Wind |
| Apr 14, 2018 | 11 hrs | 6,280 (32%) | Winter Storm |
| Feb 6, 2025 | 21 hrs | 6,120 (31%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Antrim County, Michigan that day.
Over the 12 years from 2014 to 2025, Antrim County recorded 997 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Antrim County started December 16, 2021 (High Wind), lasting 86 hours and leaving up to 14,851 customers without power (76% of the county) at its peak.
November has historically been the worst month for outages in Antrim County, with 125 events recorded during that month across the dataset.
Based on this history, Antrim 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 Antrim County.
| County | Grade | National percentile |
|---|---|---|
| Cass County | F | 9th |
| Gladwin County | F | 8th |
| Monroe County | F | 9th |
| Lenawee County | F | 10th |
| Livingston County | F | 8th |
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 Antrim County?
Between 2014 and 2025, Antrim County recorded 997 outage events, averaging 3.6 hours each.
What is Antrim County's reliability grade?
Antrim County has a Reliability Grade of F, in the 9th national percentile.
What was the worst power outage in Antrim County?
The worst outage on record started December 16, 2021 (High Wind), lasting 86 hours and affecting up to 14,851 customers.