Mecklenburg 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 |
|---|---|---|---|
| Sep 27, 2024 | 38 hrs | 116,836 (20%) | Flash Flood |
| Dec 23, 2022 | 66 hrs | 105,751 (18%) | Strong Wind |
| May 8, 2024 | 62 hrs | 75,384 (13%) | Thunderstorm Wind |
| Apr 24, 2017 | 21 hrs | 65,797 (11%) | Flood |
| May 22, 2020 | 30 hrs | 64,686 (11%) | Flood |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Mecklenburg County, North Carolina that day.
Over the 12 years from 2014 to 2025, Mecklenburg County recorded 5,565 distinct power outage events, averaging 3.3 hours per event.
The single worst outage on record in Mecklenburg County started September 27, 2024 (Flash Flood), lasting 38 hours and leaving up to 116,836 customers without power (20% of the county) at its peak.
July has historically been the worst month for outages in Mecklenburg County, with 626 events recorded during that month across the dataset.
Based on this history, Mecklenburg County earns a Reliability Grade of C, placing it in the 42nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in North Carolina
Counties with the closest reliability grade and national percentile to Mecklenburg County.
| County | Grade | National percentile |
|---|---|---|
| Rowan County | C | 42nd |
| Bertie County | C | 42nd |
| Gaston County | C | 41st |
| Camden County | C | 43rd |
| Gates County | C | 41st |
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 Mecklenburg County?
Between 2014 and 2025, Mecklenburg County recorded 5,565 outage events, averaging 3.3 hours each.
What is Mecklenburg County's reliability grade?
Mecklenburg County has a Reliability Grade of C, in the 42nd national percentile.
What was the worst power outage in Mecklenburg County?
The worst outage on record started September 27, 2024 (Flash Flood), lasting 38 hours and affecting up to 116,836 customers.