County annual report · FIPS 45087
2019 Union County, SC Power Outage Report
In 2019, customers in Union County, SC went without power for an average of 0.8 hours, a total of 17K customer-hours (South Carolina average 4.8 hours). That ranks 45th worst of 46 South Carolina counties and 2593rd of 2,945 nationally.
Compared with SC, the US and 2018
Coverage line is EAGLE-I's share of South Carolina customers tracked each year.
Biggest outages in Union County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | June 22, 2019 20:15 | June 24, 2019 00:45 | 1d 4h | 1,168 | 2,327 |
| 2 | April 19, 2019 18:30 | April 19, 2019 23:30 | 5h | 587 | 592 |
| 3 | June 25, 2019 01:15 | June 25, 2019 05:15 | 4h | 568 | 1,418 |
| 4 | September 13, 2019 20:30 | September 14, 2019 06:15 | 9h 45m | 567 | 975 |
| 5 | March 15, 2019 06:15 | March 15, 2019 12:00 | 5h 45m | 494 | 2,803 |
| 6 | June 25, 2019 16:00 | June 27, 2019 18:45 | 2d 2h | 389 | 1,292 |
| 7 | June 19, 2019 03:45 | June 19, 2019 11:30 | 7h 45m | 371 | 1,993 |
| 8 | June 28, 2019 13:45 | June 28, 2019 14:30 | 45m | 366 | 275 |
| 9 | June 9, 2019 11:15 | June 9, 2019 14:30 | 3h 15m | 362 | 629 |
| 10 | November 6, 2019 04:30 | November 6, 2019 05:45 | 1h 15m | 173 | 163 |
Outage episodes by size in 2019: 12 reached 100+ customers, 1 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 Union County reported on EIA Form 861 for 2019, 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 | 2018 | 13.1 hrs | 1.81 | 3.7 hrs | 1.19 |
| Dominion Energy South Carolina, Inc | 2018 | 2.8 hrs | 1.80 | 1.6 hrs | 1.37 |
| Laurens Electric Coop, Inc | 2018 | 1.7 hrs | 1.74 | 87 min | 1.31 |
| Broad River Electric Coop, Inc | - | - | - | - | - |
| Lockhart Power Co | - | - | - | - | - |
| City of Union - (SC) | - | - | - | - | - |
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 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 21,940 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. Union County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Union County, SC annual power outage report, 2019, 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/2019/south-carolina/union-county