Carbon CountyPower Outage History
What this grade means
Average — typical outage frequency and duration nationally. This county sits in the middle of the national distribution — its outage frequency and duration over the past 12 years are close to the nationwide median, neither notably better nor worse than most other US counties. A typical amount of backup-power preparedness is reasonable here.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Mar 2, 2018 | 6 hrs | 8,904 (28%) | Winter Weather |
| Mar 2, 2018 | 2 hrs | 7,205 (22%) | Winter Storm |
| Mar 2, 2018 | 70 hrs | 6,946 (21%) | Winter Storm |
| Jun 14, 2020 | <1 hr | 6,815 (21%) | Unnamed event |
| Jun 23, 2019 | <1 hr | 6,794 (21%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Carbon County, Pennsylvania that day.
Over the 12 years from 2014 to 2025, Carbon County recorded 756 distinct power outage events, averaging 2.9 hours per event.
The single worst outage on record in Carbon County started March 2, 2018 (Winter Weather), lasting 6 hours and leaving up to 8,904 customers without power (28% of the county) at its peak.
July has historically been the worst month for outages in Carbon County, with 82 events recorded during that month across the dataset.
Based on this history, Carbon County earns a Reliability Grade of C, placing it in the 45th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in Pennsylvania
Counties with the closest reliability grade and national percentile to Carbon County.
| County | Grade | National percentile |
|---|---|---|
| Clinton County | C | 45th |
| Bedford County | C | 45th |
| Fulton County | C | 46th |
| Northampton County | C | 46th |
| Juniata County | C | 43rd |
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 Carbon County?
Between 2014 and 2025, Carbon County recorded 756 outage events, averaging 2.9 hours each.
What is Carbon County's reliability grade?
Carbon County has a Reliability Grade of C, in the 45th national percentile.
What was the worst power outage in Carbon County?
The worst outage on record started March 2, 2018 (Winter Weather), lasting 6 hours and affecting up to 8,904 customers.