County annual report · FIPS 51770
2015 Roanoke city, VA Power Outage Report
In 2015, customers in Roanoke city, VA went without power for an average of 3.4 hours, a total of 242K customer-hours (Virginia average 2.7 hours). That ranks 60th worst of 127 Virginia counties and 823rd of 2,484 nationally.
Compared with VA, the US
Coverage line is EAGLE-I's share of Virginia customers tracked each year.
Biggest outages in Roanoke city, 2015
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 5, 2015 18:15 | October 6, 2015 09:00 | 14h 45m | 6,015 | 13K |
| 2 | September 4, 2015 21:00 | September 6, 2015 20:15 | 1d 23h | 5,327 | 47K |
| 3 | July 12, 2015 03:15 | July 12, 2015 20:15 | 17h | 4,551 | 15K |
| 4 | May 6, 2015 12:30 | May 7, 2015 19:15 | 1d 6h | 3,102 | 9,921 |
| 5 | July 20, 2015 14:30 | July 20, 2015 17:15 | 2h 45m | 2,893 | 6,683 |
| 6 | October 8, 2015 11:45 | October 8, 2015 12:45 | 1h | 1,829 | 458 |
| 7 | June 2, 2015 22:15 | June 3, 2015 19:00 | 20h 45m | 1,808 | 3,475 |
| 8 | June 11, 2015 11:00 | June 11, 2015 16:30 | 5h 30m | 1,540 | 3,138 |
| 9 | February 19, 2015 15:30 | February 19, 2015 18:00 | 2h 30m | 1,469 | 1,691 |
| 10 | November 19, 2015 04:00 | November 19, 2015 19:45 | 15h 45m | 1,362 | 15K |
Outage episodes by size in 2015: 98 reached 100+ customers, 25 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 Roanoke city reported on EIA Form 861 for 2015, 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 |
|---|---|---|---|---|---|
| Appalachian Power Co | 2015 | 11.7 hrs | 2.41 | 7.9 hrs | 2.21 |
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 Virginia's customers in 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 71,375 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. Roanoke city has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Roanoke city, VA annual power outage report, 2015, 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/2015/virginia/roanoke-city