Hancock County Power Outage History
2014–2025 · Maine
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 |
|---|---|---|---|
| Dec 18, 2023 | 151 hrs | 35,012 (74%) | High Wind |
| Jul 8, 2024 | 3 hrs | 33,814 (71%) | Unnamed event |
| Oct 30, 2017 | 140 hrs | 32,670 (69%) | Tropical Storm Philippe |
| Dec 23, 2022 | 123 hrs | 26,662 (56%) | Winter Weather |
| Nov 2, 2014 | 52 hrs | 26,541 (56%) | Winter Storm |
Over the 12 years from 2014 to 2025, Hancock County recorded 1,186 distinct power outage events, averaging 4.2 hours per event.
The single worst outage on record in Hancock County started December 18, 2023 (High Wind), lasting 151 hours and leaving up to 35,012 customers without power (74% of the county) at its peak.
December has historically been the worst month for outages in Hancock County, with 127 events recorded during that month across the dataset.
Based on this history, Hancock County earns a Reliability Grade of F, placing it in the 1st percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Maine
Counties with the closest reliability grade and national percentile to Hancock County.
| County | Grade | National percentile |
|---|---|---|
| Waldo County | F | 2nd |
| Sagadahoc County | F | 2nd |
| Lincoln County | F | 1st |
| Oxford County | F | 2nd |
| Somerset County | F | 3rd |
FAQ
How often does power go out in Hancock County?
Between 2014 and 2025, Hancock County recorded 1,186 outage events, averaging 4.2 hours each.
What is Hancock County's reliability grade?
Hancock County has a Reliability Grade of F, in the 1st national percentile.
What was the worst power outage in Hancock County?
The worst outage on record started December 18, 2023 (High Wind), lasting 151 hours and affecting up to 35,012 customers.