County annual report · FIPS 28161
2021 Yalobusha County, MS Power Outage Report
In 2021, customers in Yalobusha County, MS went without power for an average of 3.5 hours, a total of 26K customer-hours (Mississippi average 17.2 hours). That ranks 60th worst of 78 Mississippi counties and 1669th of 2,974 nationally.
Compared with MS, the US and 2020
Coverage line is EAGLE-I's share of Mississippi customers tracked each year.
Biggest outages in Yalobusha 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 | March 28, 2021 06:00 | March 29, 2021 01:15 | 19h 15m | 1,042 | 1,137 |
| 2 | August 18, 2021 15:30 | August 19, 2021 02:45 | 11h 15m | 904 | 2,881 |
| 3 | June 10, 2021 12:15 | June 10, 2021 22:30 | 10h 15m | 896 | 1,750 |
| 4 | August 30, 2021 19:45 | August 31, 2021 09:15 | 13h 30m | 651 | 2,119 |
| 5 | April 27, 2021 14:30 | April 27, 2021 15:00 | 30m | 432 | 216 |
| 6 | March 11, 2021 12:30 | March 11, 2021 13:00 | 30m | 358 | 91 |
| 7 | June 24, 2021 13:45 | June 24, 2021 17:15 | 3h 30m | 351 | 623 |
| 8 | June 3, 2021 13:45 | June 3, 2021 20:00 | 6h 15m | 333 | 1,048 |
| 9 | August 2, 2021 17:30 | August 2, 2021 19:00 | 1h 30m | 331 | 167 |
| 10 | August 11, 2021 18:45 | August 12, 2021 02:00 | 7h 15m | 315 | 234 |
Outage episodes by size in 2021: 37 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 Yalobusha 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 Mississippi LLC | 2021 | 22.9 hrs | 2.44 | 4.7 hrs | 1.50 |
| Tallahatchie Valley E P A | - | - | - | - | - |
| City of Water Valley - (MS) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 77% of Mississippi's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 7,274 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. Yalobusha County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Yalobusha County, MS 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/mississippi/yalobusha-county