County annual report · FIPS 45057
2018 Lancaster County, SC Power Outage Report
In 2018, customers in Lancaster County, SC went without power for an average of 5.4 hours, a total of 283K customer-hours (South Carolina average 5.2 hours). That ranks 20th worst of 46 South Carolina counties and 988th of 2,798 nationally.
Compared with SC, the US and 2017
Coverage line is EAGLE-I's share of South Carolina customers tracked each year.
Biggest outages in Lancaster County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 15, 2018 17:00 | April 18, 2018 02:15 | 2d 9h | 4,363 | 57K |
| 2 | June 1, 2018 22:15 | June 4, 2018 05:00 | 2d 6h | 3,756 | 50K |
| 3 | September 15, 2018 04:00 | September 19, 2018 03:00 | 3d 23h | 3,722 | 97K |
| 4 | August 30, 2018 14:15 | August 30, 2018 22:00 | 7h 45m | 3,045 | 4,856 |
| 5 | June 1, 2018 07:00 | June 1, 2018 17:15 | 10h 15m | 2,518 | 720 |
| 6 | December 25, 2018 01:00 | December 25, 2018 02:00 | 1h | 2,078 | 2,078 |
| 7 | August 28, 2018 20:30 | August 29, 2018 01:45 | 5h 15m | 1,867 | 955 |
| 8 | February 15, 2018 15:15 | February 16, 2018 00:15 | 9h | 1,848 | 2,358 |
| 9 | September 14, 2018 11:45 | September 14, 2018 21:45 | 10h | 1,669 | 2,324 |
| 10 | October 11, 2018 12:00 | October 13, 2018 06:00 | 1d 18h | 1,616 | 7,336 |
Outage episodes by size in 2018: 54 reached 100+ customers, 15 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 Lancaster County reported on EIA Form 861 for 2018, 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 |
| York Electric Coop Inc | 2018 | 2.1 hrs | 1.22 | 83 min | 0.91 |
| Lynches River Elec Coop, Inc | 2018 | 49.1 hrs | 2.40 | 1.6 hrs | 1.10 |
| Duke Energy | - | - | - | - | - |
| Fairfield Electric Coop, Inc | - | - | - | - | - |
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 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 52,274 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. Lancaster County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Lancaster County, SC annual power outage report, 2018, 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/2018/south-carolina/lancaster-county