Houghton 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 |
|---|---|---|---|
| Nov 3, 2025 | 2 hrs | 18,348 (58%) | Unnamed event |
| Jul 19, 2020 | 13 hrs | 14,073 (44%) | Thunderstorm Wind |
| Dec 2, 2025 | 0 hrs | 8,082 (25%) | Winter Storm |
| Aug 28, 2019 | 1 hrs | 6,880 (22%) | Unnamed event |
| Nov 26, 2025 | 56 hrs | 5,488 (17%) | Winter Storm |
Over the 12 years from 2014 to 2025, Houghton County recorded 322 distinct power outage events, averaging 2.6 hours per event.
The single worst outage on record in Houghton County started November 3, 2025, lasting 2 hours and leaving up to 18,348 customers without power (58% of the county) at its peak.
November has historically been the worst month for outages in Houghton County, with 39 events recorded during that month across the dataset.
Based on this history, Houghton County earns a Reliability Grade of B, placing it in the 77th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Houghton County's outage profile
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Outage-prep kit
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Similar counties in Michigan
Counties with the closest reliability grade and national percentile to Houghton County.
| County | Grade | National percentile |
|---|---|---|
| Grand Traverse County | B | 70th |
| Bay County | B | 61st |
| Delta County | C | 60th |
| Luce County | C | 57th |
| Schoolcraft County | C | 57th |
FAQ
How often does power go out in Houghton County?
Between 2014 and 2025, Houghton County recorded 322 outage events, averaging 2.6 hours each.
What is Houghton County's reliability grade?
Houghton County has a Reliability Grade of B, in the 77th national percentile.
What was the worst power outage in Houghton County?
The worst outage on record started November 3, 2025, lasting 2 hours and affecting up to 18,348 customers.