Bay County Power Outage History
2014–2025 · Michigan
Better than average — fewer or shorter outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 27, 2024 | 72 hrs | 8,337 (13%) | Thunderstorm Wind |
| Jun 10, 2020 | 100 hrs | 7,486 (11%) | Tropical Storm Cristobal |
| Jun 16, 2022 | 30 hrs | 6,128 (9%) | Thunderstorm Wind |
| Jun 10, 2020 | 2 hrs | 6,019 (9%) | Tropical Storm Cristobal |
| Jul 28, 2025 | 22 hrs | 5,585 (8%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Bay County recorded 348 distinct power outage events, averaging 5.5 hours per event.
The single worst outage on record in Bay County started August 27, 2024 (Thunderstorm Wind), lasting 72 hours and leaving up to 8,337 customers without power (13% of the county) at its peak.
December has historically been the worst month for outages in Bay County, with 39 events recorded during that month across the dataset.
Based on this history, Bay County earns a Reliability Grade of B, placing it in the 61st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Bay County's outage profile
See more picks in our Best Small Power Stations (Under 1,000Wh) roundup.
Outage-prep kit
See our outage-prep guides or the Michigan storm prep checklist.
Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Bay County.
| County | Grade | National percentile |
|---|---|---|
| Delta County | C | 60th |
| Luce County | C | 57th |
| Schoolcraft County | C | 57th |
| Presque Isle County | C | 54th |
| Saginaw County | C | 52nd |
FAQ
How often does power go out in Bay County?
Between 2014 and 2025, Bay County recorded 348 outage events, averaging 5.5 hours each.
What is Bay County's reliability grade?
Bay County has a Reliability Grade of B, in the 61st national percentile.
What was the worst power outage in Bay County?
The worst outage on record started August 27, 2024 (Thunderstorm Wind), lasting 72 hours and affecting up to 8,337 customers.