County annual report · FIPS 48427
2021 Starr County, TX Power Outage Report
In 2021, customers in Starr County, TX went without power for an average of 20.4 hours, a total of 634K customer-hours (Texas average 21.0 hours). That ranks 137th worst of 252 Texas counties and 424th 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 Starr 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 15, 2021 00:15 | February 20, 2021 22:00 | 5d 21h | 10,236 | 516K |
| 2 | May 12, 2021 04:00 | May 14, 2021 16:30 | 2d 12h | 3,429 | 16K |
| 3 | March 16, 2021 14:30 | March 16, 2021 23:15 | 8h 45m | 3,239 | 8,516 |
| 4 | January 18, 2021 11:45 | January 18, 2021 14:15 | 2h 30m | 2,438 | 3,587 |
| 5 | March 25, 2021 11:45 | March 25, 2021 22:15 | 10h 30m | 1,876 | 3,065 |
| 6 | February 12, 2021 10:15 | February 12, 2021 13:45 | 3h 30m | 1,727 | 3,898 |
| 7 | April 17, 2021 10:45 | April 18, 2021 02:45 | 16h | 1,715 | 5,181 |
| 8 | November 4, 2021 04:15 | November 5, 2021 02:30 | 22h 15m | 1,628 | 7,155 |
| 9 | June 3, 2021 18:45 | June 4, 2021 16:45 | 22h | 1,531 | 2,514 |
| 10 | May 19, 2021 11:30 | May 21, 2021 01:45 | 1d 14h | 1,292 | 4,301 |
Outage episodes by size in 2021: 66 reached 100+ customers, 17 reached 1,000+ customers, 1 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 Starr 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 |
|---|---|---|---|---|---|
| AEP Texas Central Company | 2021 | 31.7 hrs | 3.36 | 3.1 hrs | 1.61 |
| Medina Electric Coop, Inc | 2021 | 38.0 hrs | 10.07 | 3.0 hrs | 2.55 |
| Magic Valley Electric Coop Inc | 2021 | 12.0 hrs | - | 2.6 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 94% of Texas's customers in 2021; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 31,014 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. Starr County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Starr 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/starr-county