County annual report · FIPS 28147
2023 Walthall County, MS Power Outage Report
In 2023, customers in Walthall County, MS went without power for an average of 9.3 hours, a total of 64K customer-hours (Mississippi average 11.1 hours). That ranks 38th worst of 79 Mississippi counties and 899th of 2,977 nationally.
Compared with MS, the US and 2022
Coverage line is EAGLE-I's share of Mississippi customers tracked each year.
Biggest outages in Walthall County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | January 28, 2023 03:30 | January 28, 2023 05:30 | 2h | 1,708 | 3,416 |
| 2 | August 28, 2023 22:00 | August 29, 2023 12:15 | 14h 15m | 1,300 | 3,883 |
| 3 | October 11, 2023 19:15 | October 12, 2023 19:00 | 23h 45m | 1,034 | 3,021 |
| 4 | November 21, 2023 04:30 | November 21, 2023 18:30 | 14h | 874 | 3,866 |
| 5 | December 1, 2023 06:30 | December 1, 2023 18:45 | 12h 15m | 797 | 3,817 |
| 6 | June 19, 2023 20:30 | June 21, 2023 00:00 | 1d 3h | 736 | 2,530 |
| 7 | December 17, 2023 02:15 | December 17, 2023 07:15 | 5h | 712 | 1,714 |
| 8 | August 31, 2023 19:00 | August 31, 2023 21:15 | 2h 15m | 645 | 756 |
| 9 | June 27, 2023 06:15 | June 27, 2023 15:00 | 8h 45m | 630 | 2,645 |
| 10 | September 25, 2023 15:15 | September 25, 2023 20:00 | 4h 45m | 626 | 704 |
Outage episodes by size in 2023: 35 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 Walthall County reported on EIA Form 861 for 2023, 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 | 2023 | 20.0 hrs | 2.14 | 4.9 hrs | 1.52 |
| Pearl River Valley El Pwr Assn | 2023 | 3.2 hrs | 2.56 | 3.2 hrs | 2.56 |
| Magnolia Electric Power Assn | 2023 | 46.1 hrs | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about n/a of Mississippi's customers in 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 6,910 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. Walthall County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Walthall County, MS annual power outage report, 2023, 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/2023/mississippi/walthall-county