County annual report · FIPS 05069
2020 Jefferson County, AR Power Outage Report
In 2020, customers in Jefferson County, AR went without power for an average of 69.8 hours, a total of 2.4M customer-hours (Arkansas average 10.5 hours). That ranks 6th worst of 75 Arkansas counties and 111th of 3,019 nationally.
Compared with AR, the US and 2019
Coverage line is EAGLE-I's share of Arkansas customers tracked each year.
Biggest outages in Jefferson 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 | April 12, 2020 08:15 | April 27, 2020 03:00 | 14d 18h | 24,409 | 2.1M |
| 2 | April 3, 2020 14:30 | April 3, 2020 14:45 | 15m | 5,323 | 1,331 |
| 3 | March 28, 2020 20:15 | March 29, 2020 12:00 | 15h 45m | 3,115 | 4,433 |
| 4 | March 24, 2020 08:30 | March 24, 2020 12:30 | 4h | 2,651 | 3,516 |
| 5 | March 23, 2020 04:15 | March 23, 2020 22:45 | 18h 30m | 2,649 | 945 |
| 6 | July 2, 2020 11:45 | July 6, 2020 16:45 | 4d 5h | 2,551 | 25K |
| 7 | August 3, 2020 14:30 | August 4, 2020 03:00 | 12h 30m | 2,471 | 4,680 |
| 8 | August 27, 2020 16:15 | August 30, 2020 21:30 | 3d 5h | 2,176 | 21K |
| 9 | January 11, 2020 06:30 | January 15, 2020 02:45 | 3d 20h | 2,044 | 26K |
| 10 | June 23, 2020 13:15 | June 27, 2020 00:15 | 3d 11h | 1,932 | 5,854 |
Outage episodes by size in 2020: 85 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 Jefferson 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 |
|---|---|---|---|---|---|
| Entergy Arkansas LLC | 2020 | 19.8 hrs | 2.10 | 4.5 hrs | 1.52 |
| First Electric Coop Corp | 2020 | 8.4 hrs | 1.82 | 2.0 hrs | 1.36 |
| C & L Electric Coop Corp | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 86% of Arkansas's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 33,927 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. Jefferson County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Jefferson County, AR 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/arkansas/jefferson-county