Branch County Power Outage History
2014–2025 · Michigan
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 12, 2021 | 139 hrs | 12,027 (39%) | Thunderstorm Wind |
| Aug 12, 2021 | 1 hrs | 12,024 (39%) | Thunderstorm Wind |
| Aug 12, 2021 | 5 hrs | 12,009 (39%) | Thunderstorm Wind |
| Jun 10, 2020 | 131 hrs | 6,767 (22%) | Thunderstorm Wind |
| Feb 23, 2023 | 118 hrs | 6,702 (22%) | Ice Storm |
Over the 12 years from 2014 to 2025, Branch County recorded 390 distinct power outage events, averaging 6.2 hours per event.
The single worst outage on record in Branch County started August 12, 2021 (Thunderstorm Wind), lasting 139 hours and leaving up to 12,027 customers without power (39% of the county) at its peak.
July has historically been the worst month for outages in Branch County, with 61 events recorded during that month across the dataset.
Based on this history, Branch County earns a Reliability Grade of F, placing it in the 13th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Branch County's outage profile
See more picks in our Best Dual-Fuel Portable Generators for Power Outages roundup.
Champion Power Equipment 4375-Watt Dual Fuel RV Ready Portable Generator with Free 3-Year Warranty
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 Branch County.
| County | Grade | National percentile |
|---|---|---|
| Leelanau County | F | 13th |
| Ionia County | F | 12th |
| Montcalm County | F | 14th |
| Oakland County | F | 11th |
| Washtenaw County | F | 11th |
FAQ
How often does power go out in Branch County?
Between 2014 and 2025, Branch County recorded 390 outage events, averaging 6.2 hours each.
What is Branch County's reliability grade?
Branch County has a Reliability Grade of F, in the 13th national percentile.
What was the worst power outage in Branch County?
The worst outage on record started August 12, 2021 (Thunderstorm Wind), lasting 139 hours and affecting up to 12,027 customers.