Power Outages in Sumter County, SC
As of the latest utility report, no major power outages are reported in Sumter County, SC. In 2025, the average customer here lost power for about 2.5 hours.
Sumter County, SC is served by 1 tracked utility.
No active power outages are currently reported in Sumter County.
- Heat AdvisoryMODERATE
Sumter County has been under 23 National Weather Service alerts recently — most recently a Heat Advisory on July 18, 2026.
- Special Weather Statement ×8
- Severe Thunderstorm Watch ×5
- Severe Thunderstorm Warning ×4
- Flash Flood Warning ×2
- Flood Advisory ×2
- Heat Advisory ×2
Latest Sumter County, SC outage updates
A running log of how this outage has changed — updated automatically as utilities report in.
- RESOLVED
Power restored after 44m
- OUTAGE BEGAN
Outage began — 674 customers out
Hardest-hit cities in Sumter County
Where this event is concentrated across the county's towns and townships.
- Sumterno active outage
Historical reliability
In 2025, the average customer in Sumter County went about 2.5 hours without power. Peak simultaneous outage on record reached 27,446 customers.
Worst year here was 2016 (peak 27,446 customers out) · decade average 7.4 hrs without power per customer/yr.
| Year | Outage events | Peak customers out | Avg hrs/customer |
|---|---|---|---|
| 2015 | 690 | 7,167 | 2.5 |
| 2016 | 726 | 27,446 | 40.5 |
| 2017 | 741 | 7,795 | 3.0 |
| 2018 | 901 | 10,397 | 8.2 |
| 2019 | 836 | 14,520 | 3.9 |
| 2020 | 849 | 5,165 | 3.2 |
| 2021 | 825 | 15,457 | 5.0 |
| 2022 | 795 | 9,719 | 5.1 |
| 2023 | 833 | 4,387 | 3.2 |
| 2024 | 938 | 8,947 | 4.9 |
| 2025 | 842 | 22,428 | 2.5 |
Relatively High ice storms exposure · 7.4 hrs/yr of outages over the last decade.
FEMA rates this county’s social vulnerability relatively moderate — outages hit harder where communities are less able to respond and recover.
All hazard rankings →Power outages in Sumter County: FAQ
- How often does Sumter County, SC lose power?
- Based on EAGLE-I records, Sumter County, SC logged 842 distinct outage events in 2025, averaging about 2.5 hours without power per customer over the year.
- What was the worst power outage in Sumter County, SC?
- The largest tracked outage peaked at 27,446 customers without power, beginning October 8, 2016 and lasting about 12h 45m.
- Is there a power outage in Sumter County, SC right now?
- No major outage is currently reported for Sumter County, SC. Live coverage depends on whether local utilities report to ODIN.
- Which utilities serve Sumter County, SC?
- Tracked electric providers include Duke Energy.
Sumter. Outage counts for these communities are reported at the Sumter County level shown above.
Outages are tracked at the county level; these ZIP codes fall within Sumter County.
29040, 29062, 29125, 29128, 29150, 29152, 29153, 29154, 29168
Electric providers serving this county
From EIA-861 service territory, with official reliability where reported.
| Provider | Official SAIDI (EIA) | Live | Report outage |
|---|---|---|---|
| Duke Energy | — | ODIN ✓ | — |
Machine-readable data: /api/v1/counties/45085 and /api/v1/counties/45085/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of South Carolina customers).