County annual report · FIPS 45091
2017 York County, SC Power Outage Report
In 2017, customers in York County, SC went without power for an average of 1.2 hours, a total of 205K customer-hours (South Carolina average 4.4 hours). That ranks 41st worst of 46 South Carolina counties and 1966th 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 York 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 | September 11, 2017 18:45 | September 14, 2017 00:15 | 2d 5h | 5,899 | 57K |
| 2 | September 8, 2017 23:45 | September 9, 2017 03:15 | 3h 30m | 3,053 | 1,901 |
| 3 | August 14, 2017 21:15 | August 15, 2017 20:00 | 22h 45m | 2,542 | 1,955 |
| 4 | July 1, 2017 12:30 | July 2, 2017 20:15 | 1d 7h | 2,501 | 14K |
| 5 | May 21, 2017 04:45 | May 21, 2017 09:00 | 4h 15m | 2,369 | 6,572 |
| 6 | October 12, 2017 16:30 | October 12, 2017 17:45 | 1h 15m | 2,255 | 2,819 |
| 7 | March 2, 2017 02:45 | March 3, 2017 06:00 | 1d 3h | 2,099 | 17K |
| 8 | August 9, 2017 20:00 | August 10, 2017 13:45 | 17h 45m | 1,862 | 21K |
| 9 | September 5, 2017 20:00 | September 6, 2017 06:30 | 10h 30m | 1,848 | 4,143 |
| 10 | January 25, 2017 11:30 | January 26, 2017 01:00 | 13h 30m | 1,539 | 640 |
Outage episodes by size in 2017: 70 reached 100+ customers, 18 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 York 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 | - |
| City of Rock Hill - (SC) | 2017 | 2.0 hrs | 1.13 | 69 min | 0.76 |
| Duke Energy | - | - | - | - | - |
| Broad River Electric Coop, Inc | - | - | - | - | - |
| Fairfield Electric Coop, Inc | - | - | - | - | - |
| Lockhart Power Co | - | - | - | - | - |
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 ÷ 173,488 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. York County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), York 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/york-county