Kalamazoo 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 |
|---|---|---|---|
| May 16, 2025 | 98 hrs | 51,658 (42%) | Thunderstorm Wind |
| Feb 22, 2023 | 124 hrs | 49,639 (40%) | Ice Storm |
| Jun 17, 2024 | 41 hrs | 20,812 (17%) | Thunderstorm Wind |
| May 7, 2024 | 50 hrs | 20,747 (17%) | Tornado |
| Aug 30, 2022 | 59 hrs | 19,459 (16%) | Thunderstorm Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Kalamazoo County, Michigan that day.
Over the 12 years from 2014 to 2025, Kalamazoo County recorded 1,294 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Kalamazoo County started May 16, 2025 (Thunderstorm Wind), lasting 98 hours and leaving up to 51,658 customers without power (42% of the county) at its peak.
July has historically been the worst month for outages in Kalamazoo County, with 186 events recorded during that month across the dataset.
Based on this history, Kalamazoo County earns a Reliability Grade of F, placing it in the 17th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Kalamazoo County.
| County | Grade | National percentile |
|---|---|---|
| Osceola County | F | 18th |
| St. Clair County | F | 17th |
| Barry County | F | 16th |
| Lapeer County | F | 16th |
| Calhoun County | F | 16th |
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 Kalamazoo County?
Between 2014 and 2025, Kalamazoo County recorded 1,294 outage events, averaging 3.6 hours each.
What is Kalamazoo County's reliability grade?
Kalamazoo County has a Reliability Grade of F, in the 17th national percentile.
What was the worst power outage in Kalamazoo County?
The worst outage on record started May 16, 2025 (Thunderstorm Wind), lasting 98 hours and affecting up to 51,658 customers.