County annual report · FIPS 05039
2021 Dallas County, AR Power Outage Report
In 2021, customers in Dallas County, AR went without power for an average of 11.6 hours, a total of 38K customer-hours (Arkansas average 5.4 hours). That ranks 17th worst of 75 Arkansas counties and 695th of 2,974 nationally.
Compared with AR, the US and 2020
Coverage line is EAGLE-I's share of Arkansas customers tracked each year.
Biggest outages in Dallas 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 | November 10, 2021 03:30 | November 10, 2021 08:45 | 5h 15m | 1,011 | 4,695 |
| 2 | April 10, 2021 06:30 | April 10, 2021 09:30 | 3h | 956 | 641 |
| 3 | June 15, 2021 20:45 | June 15, 2021 21:00 | 15m | 711 | 178 |
| 4 | November 9, 2021 05:15 | November 9, 2021 07:15 | 2h | 669 | 1,336 |
| 5 | December 6, 2021 12:30 | December 6, 2021 15:30 | 3h | 529 | 1,198 |
| 6 | March 25, 2021 08:15 | March 26, 2021 01:15 | 17h | 523 | 6,667 |
| 7 | May 22, 2021 23:30 | May 23, 2021 00:15 | 45m | 521 | 389 |
| 8 | March 27, 2021 21:45 | March 29, 2021 04:15 | 1d 6h | 513 | 1,755 |
| 9 | December 11, 2021 04:15 | December 12, 2021 20:30 | 1d 16h | 482 | 2,940 |
| 10 | August 26, 2021 20:15 | August 26, 2021 22:30 | 2h 15m | 447 | 125 |
Outage episodes by size in 2021: 24 reached 100+ customers, 1 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 Dallas 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 |
|---|---|---|---|---|---|
| Entergy Arkansas LLC | 2021 | 6.4 hrs | 1.76 | 4.4 hrs | 1.51 |
| C & L Electric Coop Corp | - | - | - | - | - |
| South Central Ark El Coop, Inc | - | - | - | - | - |
| Ouachita 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 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 3,246 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. Dallas County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Dallas County, AR 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/arkansas/dallas-county