County annual report · FIPS 45013
2021 Beaufort County, SC Power Outage Report
In 2021, customers in Beaufort County, SC went without power for an average of 2.0 hours, a total of 257K customer-hours (South Carolina average 2.1 hours). That ranks 27th worst of 46 South Carolina counties and 2214th 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 Beaufort 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 | July 8, 2021 05:45 | July 10, 2021 05:30 | 1d 23h | 16,374 | 104K |
| 2 | October 13, 2021 11:45 | October 13, 2021 16:15 | 4h 30m | 7,449 | 1,879 |
| 3 | October 11, 2021 09:45 | October 11, 2021 14:00 | 4h 15m | 7,448 | 1,872 |
| 4 | March 3, 2021 14:00 | March 3, 2021 17:30 | 3h 30m | 3,100 | 1,259 |
| 5 | March 3, 2021 05:15 | March 3, 2021 07:45 | 2h 30m | 3,099 | 7,287 |
| 6 | May 1, 2021 15:00 | May 1, 2021 22:45 | 7h 45m | 2,822 | 4,608 |
| 7 | June 15, 2021 13:30 | June 16, 2021 13:00 | 23h 30m | 2,813 | 6,122 |
| 8 | March 20, 2021 06:30 | March 21, 2021 00:30 | 18h | 2,697 | 9,237 |
| 9 | August 19, 2021 22:00 | August 20, 2021 01:45 | 3h 45m | 2,574 | 1,792 |
| 10 | October 28, 2021 18:45 | October 29, 2021 02:45 | 8h | 2,101 | 1,994 |
Outage episodes by size in 2021: 108 reached 100+ customers, 19 reached 1,000+ customers, 1 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 Beaufort 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 |
|---|---|---|---|---|---|
| Dominion Energy South Carolina, Inc | 2021 | 1.5 hrs | 1.10 | 79 min | 1.02 |
| Palmetto Electric Coop Inc | 2021 | 1.5 hrs | 1.04 | 33 min | 0.70 |
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 ÷ 127,289 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. Beaufort County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Beaufort 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/beaufort-county