County annual report · FIPS 48015
2021 Austin County, TX Power Outage Report
In 2021, customers in Austin County, TX went without power for an average of 354.7 hours, a total of 3.5M customer-hours (Texas average 21.0 hours). That ranks 4th worst of 252 Texas counties and 11th 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 Austin 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 14, 2021 21:30 | February 20, 2021 06:00 | 5d 8h | 79,588 | 2.5M |
| 2 | September 10, 2021 19:00 | September 21, 2021 07:15 | 10d 12h | 23,499 | 502K |
| 3 | October 27, 2021 11:00 | November 11, 2021 08:15 | 14d 21h | 5,744 | 98K |
| 4 | May 16, 2021 13:45 | June 5, 2021 07:15 | 19d 17h | 3,939 | 97K |
| 5 | December 10, 2021 09:00 | December 12, 2021 02:30 | 1d 17h | 2,594 | 6,095 |
| 6 | December 17, 2021 12:30 | December 21, 2021 10:30 | 3d 22h | 2,437 | 4,639 |
| 7 | December 4, 2021 11:30 | December 5, 2021 08:30 | 21h | 2,430 | 1,456 |
| 8 | April 9, 2021 12:30 | May 9, 2021 21:00 | 30d 8h | 2,168 | 36K |
| 9 | August 13, 2021 08:15 | August 18, 2021 08:30 | 5d | 2,161 | 17K |
| 10 | September 28, 2021 11:45 | October 1, 2021 04:15 | 2d 16h | 1,976 | 11K |
Outage episodes by size in 2021: 128 reached 100+ customers, 15 reached 1,000+ customers, 2 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 Austin 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 |
|---|---|---|---|---|---|
| Bluebonnet Electric Coop, Inc | 2021 | 16.5 hrs | - | 1.6 hrs | 1.08 |
| CenterPoint Energy | 2021 | 39.4 hrs | 4.67 | 2.5 hrs | 1.42 |
| San Bernard Electric Coop, Inc | 2021 | 2.4 hrs | 1.36 | 1.8 hrs | 1.22 |
| Fayette Electric Coop, Inc | - | - | - | - | - |
| City of Bellville - (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 ÷ 9,780 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. Austin County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Austin 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/austin-county