Chippewa CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 30, 2019 | 6 hrs | 10,448 (32%) | Winter Storm |
| Sep 16, 2024 | 8 hrs | 9,460 (29%) | Unnamed event |
| Jan 1, 2020 | 63 hrs | 9,035 (28%) | Unnamed event |
| Dec 16, 2021 | 66 hrs | 5,741 (18%) | High Wind |
| Dec 30, 2019 | 9 hrs | 5,730 (18%) | Winter Storm |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Chippewa County, Michigan that day.
Over the 7 years from 2019 to 2025, Chippewa County recorded 426 distinct power outage events, averaging 3.0 hours per event.
The single worst outage on record in Chippewa County started December 30, 2019 (Winter Storm), lasting 6 hours and leaving up to 10,448 customers without power (32% of the county) at its peak.
November has historically been the worst month for outages in Chippewa County, with 49 events recorded during that month across the dataset.
Based on this history, Chippewa County earns a Reliability Grade of C, placing it in the 48th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Chippewa County.
| County | Grade | National percentile |
|---|---|---|
| Baraga County | C | 48th |
| Ontonagon County | C | 47th |
| Ingham County | C | 49th |
| Clinton County | C | 46th |
| Isabella County | C | 49th |
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 Chippewa County?
Between 2019 and 2025, Chippewa County recorded 426 outage events, averaging 3.0 hours each.
What is Chippewa County's reliability grade?
Chippewa County has a Reliability Grade of C, in the 48th national percentile.
What was the worst power outage in Chippewa County?
The worst outage on record started December 30, 2019 (Winter Storm), lasting 6 hours and affecting up to 10,448 customers.