Aroostook CountyPower Outage History
What this grade means
Worse than average — more frequent or longer outages than most counties. This county's recorded history shows more frequent outages and/or longer restoration times than most US counties over the same 12-year period. If you live here, it's worth taking backup power more seriously than an average household would.
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 Storm |
| 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 |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Aroostook County, Maine that day.
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 Storm), 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).
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 |
Most reliable counties nationally
The top 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | South Dakota | A | 100th |
| Clearwater County | Minnesota | A | 99th |
| Limestone County | Alabama | A | 99th |
Least reliable counties nationally
The bottom 3 counties nationally by reliability grade and percentile.
| County | State | Grade | National percentile |
|---|---|---|---|
| Clay County | West Virginia | F | 0th |
| Lincoln County | West Virginia | F | 0th |
| Cameron Parish | Louisiana | F | 0th |
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 Storm), lasting 16 hours and affecting up to 24,386 customers.