Waldo 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 |
|---|---|---|---|
| Oct 30, 2017 | 144 hrs | 22,738 (85%) | Tropical Storm Phillipe |
| Apr 9, 2020 | 134 hrs | 22,013 (83%) | Winter Storm |
| Nov 2, 2014 | 49 hrs | 21,692 (81%) | Winter Storm |
| Sep 24, 2022 | 2 hrs | 19,508 (73%) | Drought |
| Dec 18, 2023 | 142 hrs | 17,309 (65%) | High Wind |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Waldo County, Maine that day.
Over the 12 years from 2014 to 2025, Waldo County recorded 847 distinct power outage events, averaging 3.9 hours per event.
The single worst outage on record in Waldo County started October 30, 2017 (Tropical Storm Phillipe), lasting 144 hours and leaving up to 22,738 customers without power (85% of the county) at its peak.
December has historically been the worst month for outages in Waldo County, with 92 events recorded during that month across the dataset.
Based on this history, Waldo 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 Waldo County.
| County | Grade | National percentile |
|---|---|---|
| Sagadahoc County | F | 2nd |
| Hancock County | F | 1st |
| Oxford County | F | 2nd |
| Lincoln County | F | 1st |
| Somerset County | F | 3rd |
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 Waldo County?
Between 2014 and 2025, Waldo County recorded 847 outage events, averaging 3.9 hours each.
What is Waldo County's reliability grade?
Waldo County has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Waldo County?
The worst outage on record started October 30, 2017 (Tropical Storm Phillipe), lasting 144 hours and affecting up to 22,738 customers.