Oconee 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 |
|---|---|---|---|
| Sep 27, 2024 | 259 hrs | 37,716 (49%) | Hail |
| Oct 29, 2020 | 83 hrs | 26,690 (34%) | Unnamed event |
| Apr 13, 2020 | 37 hrs | 20,719 (27%) | Tornado |
| Jun 15, 2025 | <1 hr | 13,276 (17%) | Unnamed event |
| Jan 16, 2022 | 58 hrs | 11,995 (15%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Oconee County, South Carolina that day.
Over the 12 years from 2014 to 2025, Oconee County recorded 638 distinct power outage events, averaging 6.9 hours per event.
The single worst outage on record in Oconee County started September 27, 2024 (Hail), lasting 259 hours and leaving up to 37,716 customers without power (49% of the county) at its peak.
June has historically been the worst month for outages in Oconee County, with 92 events recorded during that month across the dataset.
Based on this history, Oconee County earns a Reliability Grade of F, placing it in the 19th percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Oconee County.
| County | Grade | National percentile |
|---|---|---|
| Edgefield County | D | 21st |
| Saluda County | D | 22nd |
| Newberry County | D | 23rd |
| Greenwood County | D | 23rd |
| Abbeville County | F | 15th |
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 Oconee County?
Between 2014 and 2025, Oconee County recorded 638 outage events, averaging 6.9 hours each.
What is Oconee County's reliability grade?
Oconee County has a Reliability Grade of F, in the 19th national percentile.
What was the worst power outage in Oconee County?
The worst outage on record started September 27, 2024 (Hail), lasting 259 hours and affecting up to 37,716 customers.