Grand Traverse CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 11, 2021 | 67 hrs | 11,881 (20%) | Thunderstorm Wind |
| Dec 16, 2021 | 86 hrs | 8,415 (14%) | High Wind |
| Aug 2, 2015 | 45 hrs | 8,022 (13%) | Thunderstorm Wind |
| Aug 3, 2023 | 11 hrs | 4,734 (8%) | Thunderstorm Wind |
| Jan 10, 2022 | 2 hrs | 4,042 (7%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Grand Traverse County, Michigan that day.
Over the 12 years from 2014 to 2025, Grand Traverse County recorded 348 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Grand Traverse County started August 11, 2021 (Thunderstorm Wind), lasting 67 hours and leaving up to 11,881 customers without power (20% of the county) at its peak.
July has historically been the worst month for outages in Grand Traverse County, with 45 events recorded during that month across the dataset.
Based on this history, Grand Traverse County earns a Reliability Grade of B, placing it in the 70th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Grand Traverse County.
| County | Grade | National percentile |
|---|---|---|
| Houghton County | B | 77th |
| Bay County | B | 61st |
| Delta County | C | 60th |
| Luce County | C | 57th |
| Schoolcraft County | C | 57th |
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 Grand Traverse County?
Between 2014 and 2025, Grand Traverse County recorded 348 outage events, averaging 3.7 hours each.
What is Grand Traverse County's reliability grade?
Grand Traverse County has a Reliability Grade of B, in the 70th national percentile.
What was the worst power outage in Grand Traverse County?
The worst outage on record started August 11, 2021 (Thunderstorm Wind), lasting 67 hours and affecting up to 11,881 customers.