Bamberg CountyPower Outage History
What this grade means
Better than average — fewer or shorter outages than most counties. This county's outage history is better than the national median: recorded outages are less frequent and/or shorter in duration than a typical US county experienced over the same 12-year period. It isn't in the top tier nationally, but its track record points to lower-than-average outage risk.
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 11, 2018 | 29 hrs | 5,097 (25%) | Tropical Storm Michael |
| Sep 27, 2024 | 140 hrs | 4,503 (22%) | Tropical Storm Helene |
| Apr 13, 2020 | 31 hrs | 4,252 (21%) | Thunderstorm Wind |
| Jun 24, 2022 | 12 hrs | 3,408 (17%) | Thunderstorm Wind |
| May 1, 2023 | 2 hrs | 3,135 (15%) | Unnamed event |
Was There an Outage on a Specific Date?
Pick a date to see whether a power outage was recorded for Bamberg County, South Carolina that day.
Over the 12 years from 2014 to 2025, Bamberg County recorded 437 distinct power outage events, averaging 2.8 hours per event.
The single worst outage on record in Bamberg County started October 11, 2018 (Tropical Storm Michael), lasting 29 hours and leaving up to 5,097 customers without power (25% of the county) at its peak.
June has historically been the worst month for outages in Bamberg County, with 62 events recorded during that month across the dataset.
Based on this history, Bamberg County earns a Reliability Grade of B, placing it in the 62nd percentile nationally for grid reliability (higher percentile = more reliable).
Similar counties in South Carolina
Counties with the closest reliability grade and national percentile to Bamberg County.
| County | Grade | National percentile |
|---|---|---|
| Calhoun County | B | 60th |
| Clarendon County | C | 58th |
| Lexington County | B | 67th |
| Sumter County | C | 56th |
| Marlboro County | C | 55th |
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 Bamberg County?
Between 2014 and 2025, Bamberg County recorded 437 outage events, averaging 2.8 hours each.
What is Bamberg County's reliability grade?
Bamberg County has a Reliability Grade of B, in the 62nd national percentile.
What was the worst power outage in Bamberg County?
The worst outage on record started October 11, 2018 (Tropical Storm Michael), lasting 29 hours and affecting up to 5,097 customers.