County annual report · FIPS 45021
2017 Cherokee County, SC Power Outage Report
In 2017, customers in Cherokee County, SC went without power for an average of 2.5 hours, a total of 99K customer-hours (South Carolina average 4.4 hours). That ranks 34th worst of 46 South Carolina counties and 1479th of 2,786 nationally.
Compared with SC, the US and 2016
Coverage line is EAGLE-I's share of South Carolina customers tracked each year.
Biggest outages in Cherokee County, 2017
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 23, 2017 18:30 | October 26, 2017 20:45 | 3d 2h | 4,511 | 49K |
| 2 | March 24, 2017 22:15 | March 25, 2017 02:45 | 4h 30m | 2,540 | 3,815 |
| 3 | April 26, 2017 13:45 | April 26, 2017 19:45 | 6h | 1,216 | 2,123 |
| 4 | August 5, 2017 02:00 | August 5, 2017 07:00 | 5h | 1,215 | 2,568 |
| 5 | April 6, 2017 05:30 | April 6, 2017 12:45 | 7h 15m | 1,154 | 5,948 |
| 6 | October 19, 2017 13:45 | October 19, 2017 15:15 | 1h 30m | 796 | 1,194 |
| 7 | October 30, 2017 13:45 | October 30, 2017 14:30 | 45m | 795 | 212 |
| 8 | June 13, 2017 20:30 | June 14, 2017 10:45 | 14h 15m | 745 | 1,277 |
| 9 | September 11, 2017 16:30 | September 13, 2017 23:30 | 2d 7h | 664 | 5,994 |
| 10 | July 23, 2017 18:45 | July 24, 2017 03:30 | 8h 45m | 627 | 1,709 |
Outage episodes by size in 2017: 34 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 Cherokee County reported on EIA Form 861 for 2017, 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 | 2017 | 8.8 hrs | 1.52 | 3.1 hrs | 1.11 |
| York Electric Coop Inc | 2017 | 2.1 hrs | 0.77 | 1.6 hrs | - |
| Duke Energy | - | - | - | - | - |
| Broad River Electric Coop, Inc | - | - | - | - | - |
| Lockhart Power Co | - | - | - | - | - |
| City of Gaffney - (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 n/a of South Carolina's customers in 2017; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 39,741 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. Cherokee County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Cherokee County, SC annual power outage report, 2017, 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/2017/south-carolina/cherokee-county