County annual report · FIPS 48419
2021 Shelby County, TX Power Outage Report
In 2021, customers in Shelby County, TX went without power for an average of 9.1 hours, a total of 132K customer-hours (Texas average 21.0 hours). That ranks 199th worst of 252 Texas counties and 845th of 2,974 nationally.
Compared with TX, the US and 2020
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Shelby 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 | February 17, 2021 16:15 | February 21, 2021 06:45 | 3d 14h | 2,567 | 72K |
| 2 | January 11, 2021 00:30 | January 13, 2021 23:30 | 2d 23h | 2,097 | 29K |
| 3 | February 16, 2021 13:45 | February 16, 2021 19:30 | 5h 45m | 1,041 | 2,937 |
| 4 | October 28, 2021 18:00 | October 29, 2021 23:30 | 1d 5h | 1,022 | 1,988 |
| 5 | August 14, 2021 12:45 | August 14, 2021 16:00 | 3h 15m | 622 | 1,612 |
| 6 | July 7, 2021 10:45 | July 7, 2021 16:45 | 6h | 551 | 1,803 |
| 7 | February 24, 2021 01:30 | February 24, 2021 06:00 | 4h 30m | 365 | 199 |
| 8 | March 4, 2021 14:15 | March 5, 2021 13:45 | 23h 30m | 290 | 1,061 |
| 9 | March 12, 2021 07:15 | March 12, 2021 12:30 | 5h 15m | 288 | 1,512 |
| 10 | November 24, 2021 16:15 | November 24, 2021 20:00 | 3h 45m | 287 | 714 |
Outage episodes by size in 2021: 25 reached 100+ customers, 4 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 Shelby 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 |
|---|---|---|---|---|---|
| Southwestern Electric Power Co | 2021 | 11.8 hrs | 2.41 | 5.1 hrs | 1.79 |
| Deep East Texas Elec Coop Inc | 2021 | 27.3 hrs | - | 10.9 hrs | - |
| Rusk County Electric Coop, Inc | 2021 | 25.8 hrs | - | 5.9 hrs | - |
| City of Timpson - (TX) | - | - | - | - | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 94% of Texas's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 14,484 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. Shelby County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Shelby County, TX 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/texas/shelby-county