County annual report · FIPS 37001
2021 Alamance County, NC Power Outage Report
In 2021, customers in Alamance County, NC went without power for an average of 354.0 hours, a total of 327K customer-hours (North Carolina average 10.3 hours). That ranks 3rd worst of 94 North Carolina counties and 12th of 2,974 nationally.
Compared with NC, the US and 2020
Coverage line is EAGLE-I's share of North Carolina customers tracked each year.
Biggest outages in Alamance County, 2021
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 8, 2021 06:30 | June 8, 2021 14:45 | 8h 15m | 7,542 | 13K |
| 2 | February 13, 2021 07:15 | February 16, 2021 00:30 | 2d 17h | 6,929 | 155K |
| 3 | May 12, 2021 10:45 | May 13, 2021 00:00 | 13h 15m | 2,240 | 4,167 |
| 4 | November 24, 2021 08:30 | November 24, 2021 17:30 | 9h | 2,217 | 2,226 |
| 5 | July 2, 2021 11:30 | July 2, 2021 16:30 | 5h | 2,106 | 4,219 |
| 6 | January 16, 2021 23:15 | January 17, 2021 13:00 | 13h 45m | 2,060 | 9,550 |
| 7 | November 23, 2021 13:15 | November 24, 2021 02:15 | 13h | 2,011 | 5,835 |
| 8 | October 6, 2021 13:45 | October 6, 2021 21:15 | 7h 30m | 1,878 | 654 |
| 9 | July 4, 2021 21:45 | July 5, 2021 02:45 | 5h | 1,825 | 4,202 |
| 10 | January 31, 2021 18:30 | February 2, 2021 00:30 | 1d 6h | 1,740 | 19K |
Outage episodes by size in 2021: 88 reached 100+ customers, 19 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 Alamance County reported on EIA Form 861 for 2021, 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 Progress - (NC) | 2021 | 3.1 hrs | 1.39 | 2.4 hrs | 1.34 |
| Duke Energy Carolinas, LLC | 2021 | 3.5 hrs | 1.20 | 2.5 hrs | 1.10 |
| Piedmont Electric Member Corp | 2021 | 10.5 hrs | 1.66 | 2.0 hrs | 1.03 |
| Randolph Electric Member Corp | 2021 | 1.6 hrs | 1.49 | 83 min | 1.40 |
| Duke Energy | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 92% of North Carolina's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 925 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. Alamance County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Alamance County, NC annual power outage report, 2021, 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/2021/north-carolina/alamance-county