Cumberland County Power Outage History
2014–2025 · North Carolina
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Sep 15, 2018 | 135 hrs | 35,970 (24%) | Hurricane Florence |
| Oct 8, 2016 | 122 hrs | 30,039 (20%) | Hurricane Matthew |
| Sep 14, 2018 | 16 hrs | 22,159 (15%) | Hurricane Florence |
| Nov 5, 2025 | 2 hrs | 18,663 (12%) | Unnamed event |
| Dec 24, 2022 | 11 hrs | 17,378 (12%) | Unnamed event |
Over the 12 years from 2014 to 2025, Cumberland County recorded 811 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in Cumberland County started September 15, 2018 (Hurricane Florence), lasting 135 hours and leaving up to 35,970 customers without power (24% of the county) at its peak.
July has historically been the worst month for outages in Cumberland County, with 104 events recorded during that month across the dataset.
Based on this history, Cumberland County earns a Reliability Grade of C, placing it in the 57th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Cumberland County's outage profile
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Similar counties in North Carolina
Counties with the closest reliability grade and national percentile to Cumberland County.
| County | Grade | National percentile |
|---|---|---|
| Martin County | C | 57th |
| Alleghany County | C | 57th |
| Buncombe County | C | 56th |
| Davidson County | C | 57th |
| Randolph County | C | 56th |
FAQ
How often does power go out in Cumberland County?
Between 2014 and 2025, Cumberland County recorded 811 outage events, averaging 2.7 hours each.
What is Cumberland County's reliability grade?
Cumberland County has a Reliability Grade of C, in the 57th national percentile.
What was the worst power outage in Cumberland County?
The worst outage on record started September 15, 2018 (Hurricane Florence), lasting 135 hours and affecting up to 35,970 customers.