Aroostook County Power Outage History
2014–2025 · Maine
Worse than average — more frequent or longer 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 |
|---|---|---|---|
| Dec 12, 2024 | 16 hrs | 24,386 (56%) | Winter Weather |
| Dec 17, 2020 | 7 hrs | 24,071 (55%) | Unnamed event |
| Dec 23, 2022 | 73 hrs | 23,323 (53%) | Heavy Snow |
| Jul 11, 2016 | 5 hrs | 21,716 (49%) | Unnamed event |
| Sep 10, 2021 | 5 hrs | 15,521 (35%) | Unnamed event |
Over the 12 years from 2014 to 2025, Aroostook County recorded 796 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Aroostook County started December 12, 2024 (Winter Weather), lasting 16 hours and leaving up to 24,386 customers without power (56% of the county) at its peak.
November has historically been the worst month for outages in Aroostook County, with 83 events recorded during that month across the dataset.
Based on this history, Aroostook County earns a Reliability Grade of D, placing it in the 32nd percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Aroostook 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.
Similar counties in Maine
Counties with the closest reliability grade and national percentile to Aroostook County.
| County | Grade | National percentile |
|---|---|---|
| Washington County | F | 14th |
| Androscoggin County | F | 13th |
| Cumberland County | F | 12th |
| Piscataquis County | F | 7th |
| Kennebec County | F | 6th |
FAQ
How often does power go out in Aroostook County?
Between 2014 and 2025, Aroostook County recorded 796 outage events, averaging 2.5 hours each.
What is Aroostook County's reliability grade?
Aroostook County has a Reliability Grade of D, in the 32nd national percentile.
What was the worst power outage in Aroostook County?
The worst outage on record started December 12, 2024 (Winter Weather), lasting 16 hours and affecting up to 24,386 customers.