County annual report · FIPS 05131
2018 Sebastian County, AR Power Outage Report
In 2018, customers in Sebastian County, AR went without power for an average of 1.7 hours, a total of 130K customer-hours (Arkansas average 4.4 hours). That ranks 60th worst of 74 Arkansas counties and 2005th of 2,798 nationally.
Compared with AR, the US and 2017
Coverage line is EAGLE-I's share of Arkansas customers tracked each year.
Biggest outages in Sebastian County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | December 1, 2018 05:15 | December 2, 2018 03:15 | 22h | 12,259 | 28K |
| 2 | June 24, 2018 11:15 | June 25, 2018 23:30 | 1d 12h | 8,949 | 22K |
| 3 | May 30, 2018 23:45 | May 31, 2018 00:15 | 30m | 4,697 | 2,349 |
| 4 | October 2, 2018 21:30 | October 2, 2018 22:45 | 1h 15m | 3,023 | 1,677 |
| 5 | November 25, 2018 19:45 | November 26, 2018 02:00 | 6h 15m | 2,994 | 4,737 |
| 6 | October 17, 2018 14:30 | October 17, 2018 14:45 | 15m | 2,692 | 673 |
| 7 | August 30, 2018 23:45 | August 31, 2018 15:45 | 16h | 2,611 | 9,187 |
| 8 | May 30, 2018 08:15 | May 30, 2018 21:00 | 12h 45m | 2,275 | 6,201 |
| 9 | February 22, 2018 04:00 | February 22, 2018 04:15 | 15m | 2,091 | 523 |
| 10 | May 3, 2018 08:45 | May 4, 2018 01:00 | 16h 15m | 1,721 | 3,860 |
Outage episodes by size in 2018: 61 reached 100+ customers, 17 reached 1,000+ customers, 1 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 Sebastian County reported on EIA Form 861 for 2018, 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 |
|---|---|---|---|---|---|
| Southwestern Electric Power Co | 2018 | 5.7 hrs | 2.14 | 4.2 hrs | 1.96 |
| Arkansas Valley Elec Coop Corp | 2018 | 3.4 hrs | 1.40 | 73 min | 0.52 |
| Oklahoma Gas & Electric 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 78% of Arkansas's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 77,727 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. Sebastian County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Sebastian County, AR annual power outage report, 2018, 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/2018/arkansas/sebastian-county