County annual report · FIPS 45065
2020 McCormick County, SC Power Outage Report
In 2020, customers in McCormick County, SC went without power for an average of 7.6 hours, a total of 31K customer-hours (South Carolina average 5.7 hours). That ranks 11th worst of 46 South Carolina counties and 1002nd of 3,019 nationally.
Compared with SC, the US and 2019
Coverage line is EAGLE-I's share of South Carolina customers tracked each year.
Biggest outages in McCormick County, 2020
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 8, 2020 18:45 | October 8, 2020 20:00 | 1h 15m | 2,007 | 1,120 |
| 2 | December 24, 2020 23:15 | December 25, 2020 04:00 | 4h 45m | 1,378 | 4,163 |
| 3 | February 18, 2020 14:45 | February 18, 2020 15:45 | 1h | 937 | 620 |
| 4 | March 4, 2020 14:15 | March 4, 2020 16:15 | 2h | 859 | 646 |
| 5 | April 13, 2020 12:45 | April 13, 2020 19:15 | 6h 30m | 527 | 1,225 |
| 6 | July 29, 2020 17:30 | July 30, 2020 00:15 | 6h 45m | 500 | 3,321 |
| 7 | June 27, 2020 23:00 | June 28, 2020 04:00 | 5h | 494 | 1,192 |
| 8 | May 22, 2020 00:15 | May 22, 2020 03:15 | 3h | 481 | 1,433 |
| 9 | July 30, 2020 23:00 | July 31, 2020 11:30 | 12h 30m | 477 | 4,075 |
| 10 | August 3, 2020 23:15 | August 4, 2020 07:30 | 8h 15m | 459 | 1,964 |
Outage episodes by size in 2020: 29 reached 100+ customers, 2 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 McCormick County reported on EIA Form 861 for 2020, 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 | 2020 | 11.2 hrs | 1.71 | 3.1 hrs | 1.18 |
| Dominion Energy South Carolina, Inc | 2020 | 2.4 hrs | 1.40 | 88 min | 1.17 |
| Aiken Electric Coop Inc | 2020 | 3.4 hrs | - | 1.8 hrs | - |
| Little River Electric Coop Inc | - | - | - | - | - |
| Town of McCormick - (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 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 4,091 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. McCormick County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), McCormick County, SC annual power outage report, 2020, 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/2020/south-carolina/mccormick-county