County annual report · FIPS 45037
2021 Edgefield County, SC Power Outage Report
In 2021, customers in Edgefield County, SC went without power for an average of 2.2 hours, a total of 28K customer-hours (South Carolina average 2.1 hours). That ranks 24th worst of 46 South Carolina counties and 2145th of 2,974 nationally.
Compared with SC, the US and 2020
Coverage line is EAGLE-I's share of South Carolina customers tracked each year.
Biggest outages in Edgefield County, 2021
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 23, 2021 22:00 | December 23, 2021 23:00 | 1h | 1,924 | 964 |
| 2 | March 1, 2021 09:30 | March 1, 2021 10:30 | 1h | 1,309 | 1,309 |
| 3 | May 19, 2021 13:00 | May 19, 2021 15:45 | 2h 45m | 1,280 | 343 |
| 4 | December 17, 2021 04:00 | December 17, 2021 06:45 | 2h 45m | 1,073 | 2,949 |
| 5 | July 16, 2021 18:15 | July 16, 2021 19:30 | 1h 15m | 1,015 | 470 |
| 6 | October 11, 2021 12:00 | October 11, 2021 13:15 | 1h 15m | 890 | 446 |
| 7 | January 16, 2021 17:45 | January 16, 2021 19:15 | 1h 30m | 843 | 987 |
| 8 | August 16, 2021 18:15 | August 16, 2021 21:15 | 3h | 773 | 644 |
| 9 | June 12, 2021 19:15 | June 13, 2021 01:30 | 6h 15m | 749 | 1,032 |
| 10 | June 20, 2021 15:15 | June 20, 2021 19:00 | 3h 45m | 732 | 780 |
Outage episodes by size in 2021: 39 reached 100+ customers, 5 reached 1,000+ customers, 0 reached 10,000+ customers.
Utility reliability filed with the EIA
SAIDI (average outage time per customer) and SAIFI (average interruptions per customer) that utilities serving Edgefield County reported on EIA Form 861 for 2021, or their most recent earlier filing. Utility-wide figures, not county-specific.
| Utility | EIA year | SAIDI | SAIFI | SAIDI excl. major events | SAIFI excl. major events |
|---|---|---|---|---|---|
| Duke Energy Carolinas, LLC | 2021 | 3.5 hrs | 1.20 | 2.5 hrs | 1.10 |
| Dominion Energy South Carolina, Inc | 2021 | 1.5 hrs | 1.10 | 79 min | 1.02 |
| Aiken Electric Coop Inc | 2021 | 1.9 hrs | - | 1.6 hrs | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 99% of South Carolina's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 12,717 customers (ORNL modeled county customer count), including major storm days. It is comparable across counties but is not the SAIDI a utility files.
- An outage event is a continuous stretch with customers out; counts at 100, 1,000 and 10,000+ use its peak.
- Years loaded: 2015–2025. Edgefield County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Edgefield County, SC annual power outage report, 2021, data as of Oct 3, 2026 02:41 UTC, sources: DOE EAGLE-I (https://eagle-i.doe.gov/); EAGLE-I modeled customer counts (MCC) (https://figshare.com/); EIA Form 861 (utility reliability) (https://www.eia.gov/electricity/data/eia861/). https://massoutage.com/reports/2021/south-carolina/edgefield-county