Ingham County Power Outage History
2014–2025 · Michigan
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 24, 2023 | 153 hrs | 53,778 (29%) | Thunderstorm Wind |
| May 16, 2025 | 92 hrs | 35,847 (19%) | Thunderstorm Wind |
| Sep 10, 2020 | 1 hrs | 23,714 (13%) | Unnamed event |
| Mar 19, 2024 | 1 hrs | 20,293 (11%) | Unnamed event |
| Apr 30, 2022 | 3 hrs | 19,119 (10%) | Unnamed event |
Over the 12 years from 2014 to 2025, Ingham County recorded 990 distinct power outage events, averaging 3.7 hours per event.
The single worst outage on record in Ingham County started August 24, 2023 (Thunderstorm Wind), lasting 153 hours and leaving up to 53,778 customers without power (29% of the county) at its peak.
June has historically been the worst month for outages in Ingham County, with 134 events recorded during that month across the dataset.
Based on this history, Ingham County earns a Reliability Grade of C, placing it in the 49th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Ingham County's outage profile
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Ingham County.
| County | Grade | National percentile |
|---|---|---|
| Isabella County | C | 49th |
| Chippewa County | C | 48th |
| Marquette County | C | 49th |
| Baraga County | C | 48th |
| Ontonagon County | C | 47th |
FAQ
How often does power go out in Ingham County?
Between 2014 and 2025, Ingham County recorded 990 outage events, averaging 3.7 hours each.
What is Ingham County's reliability grade?
Ingham County has a Reliability Grade of C, in the 49th national percentile.
What was the worst power outage in Ingham County?
The worst outage on record started August 24, 2023 (Thunderstorm Wind), lasting 153 hours and affecting up to 53,778 customers.