County annual report · FIPS 29155
2021 Pemiscot County, MO Power Outage Report
In 2021, customers in Pemiscot County, MO went without power for an average of 25.6 hours, a total of 194K customer-hours (Missouri average 4.5 hours). That ranks 5th worst of 115 Missouri counties and 337th of 2,974 nationally.
Compared with MO, the US and 2020
Coverage line is EAGLE-I's share of Missouri customers tracked each year.
Biggest outages in Pemiscot 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 | December 11, 2021 02:15 | December 13, 2021 09:45 | 2d 7h | 5,836 | 184K |
| 2 | August 31, 2021 08:30 | August 31, 2021 09:45 | 1h 15m | 2,641 | 2,477 |
| 3 | May 4, 2021 08:15 | May 5, 2021 02:45 | 18h 30m | 1,095 | 1,815 |
| 4 | February 28, 2021 10:00 | February 28, 2021 14:45 | 4h 45m | 673 | 802 |
| 5 | December 8, 2021 16:45 | December 9, 2021 00:00 | 7h 15m | 557 | 839 |
| 6 | June 21, 2021 16:45 | June 21, 2021 23:45 | 7h | 447 | 360 |
| 7 | August 31, 2021 21:15 | August 31, 2021 23:15 | 2h | 325 | 413 |
| 8 | August 1, 2021 02:30 | August 1, 2021 13:00 | 10h 30m | 301 | 945 |
| 9 | October 4, 2021 19:45 | October 4, 2021 20:45 | 1h | 215 | 109 |
| 10 | October 27, 2021 00:15 | October 27, 2021 08:30 | 8h 15m | 92 | 286 |
Outage episodes by size in 2021: 9 reached 100+ customers, 3 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 Pemiscot 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 |
| Union Electric Co - (MO) | 2021 | 4.9 hrs | 1.02 | 1.5 hrs | 0.69 |
| Ameren | - | - | - | - | - |
| Pemiscot-Dunklin Elec Coop Inc | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 95% of Missouri's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 7,582 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. Pemiscot County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Pemiscot County, MO 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/missouri/pemiscot-county