Oxford CountyPower Outage History
What this grade means
Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Dec 17, 2022 | 48 hrs | 25,494 (60%) | Winter Storm |
| Apr 4, 2024 | 29 hrs | 25,282 (59%) | Winter Storm |
| Apr 5, 2024 | 24 hrs | 22,788 (53%) | Winter Storm |
| Dec 5, 2020 | 87 hrs | 20,835 (49%) | Flash Flood |
| Dec 18, 2023 | 22 hrs | 20,368 (48%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Oxford County, Maine that day.
Over the 12 years from 2014 to 2025, Oxford County recorded 1,283 distinct power outage events, averaging 3.6 hours per event.
The single worst outage on record in Oxford County started December 17, 2022 (Winter Storm), lasting 48 hours and leaving up to 25,494 customers without power (60% of the county) at its peak.
July has historically been the worst month for outages in Oxford County, with 147 events recorded during that month across the dataset.
Based on this history, Oxford County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Maine
Counties with the closest reliability grade and national percentile to Oxford County.
| County | Grade | National percentile |
|---|---|---|
| Somerset County | F | 3rd |
| Sagadahoc County | F | 2nd |
| Waldo County | F | 2nd |
| Penobscot County | F | 3rd |
| Hancock County | F | 1st |
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 Oxford County?
Between 2014 and 2025, Oxford County recorded 1,283 outage events, averaging 3.6 hours each.
What is Oxford County's reliability grade?
Oxford County has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Oxford County?
The worst outage on record started December 17, 2022 (Winter Storm), lasting 48 hours and affecting up to 25,494 customers.