Guilford County Power Outage History
2014–2025 · North Carolina
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 11, 2018 | 127 hrs | 95,814 (36%) | Tropical Storm Michael |
| Feb 13, 2021 | 71 hrs | 78,544 (29%) | Winter Weather |
| Sep 30, 2022 | 37 hrs | 50,712 (19%) | Hurricane Ian |
| Oct 29, 2020 | 79 hrs | 40,854 (15%) | Hurricane Zeta |
| May 4, 2024 | 1 hrs | 31,499 (12%) | Unnamed event |
Over the 12 years from 2014 to 2025, Guilford County recorded 2,072 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Guilford County started October 11, 2018 (Tropical Storm Michael), lasting 127 hours and leaving up to 95,814 customers without power (36% of the county) at its peak.
July has historically been the worst month for outages in Guilford County, with 240 events recorded during that month across the dataset.
Based on this history, Guilford County earns a Reliability Grade of D, placing it in the 30th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Guilford County's outage profile
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Similar counties in North Carolina
Counties with the closest reliability grade and national percentile to Guilford County.
| County | Grade | National percentile |
|---|---|---|
| Robeson County | D | 29th |
| Hoke County | D | 30th |
| Harnett County | D | 31st |
| Catawba County | D | 28th |
| Bladen County | D | 28th |
FAQ
How often does power go out in Guilford County?
Between 2014 and 2025, Guilford County recorded 2,072 outage events, averaging 3.3 hours each.
What is Guilford County's reliability grade?
Guilford County has a Reliability Grade of D, in the 30th national percentile.
What was the worst power outage in Guilford County?
The worst outage on record started October 11, 2018 (Tropical Storm Michael), lasting 127 hours and affecting up to 95,814 customers.