County annual report · FIPS 48507
2015 Zavala County, TX Power Outage Report
In 2015, customers in Zavala County, TX went without power for an average of 0.5 hours, a total of 36K customer-hours (Texas average 1.9 hours). That ranks 215th worst of 238 Texas counties and 2043rd of 2,484 nationally.
Compared with TX, the US
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Zavala County, 2015
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 8, 2015 18:45 | July 9, 2015 01:15 | 6h 30m | 3,394 | 1,999 |
| 2 | July 23, 2015 18:30 | July 23, 2015 20:45 | 2h 15m | 1,480 | 746 |
| 3 | May 21, 2015 07:30 | May 22, 2015 04:00 | 20h 30m | 1,418 | 1,725 |
| 4 | May 15, 2015 02:30 | May 16, 2015 21:30 | 1d 19h | 1,298 | 12K |
| 5 | May 30, 2015 19:45 | May 31, 2015 16:15 | 20h 30m | 1,266 | 4,489 |
| 6 | March 20, 2015 22:30 | March 21, 2015 02:30 | 4h | 1,023 | 3,968 |
| 7 | May 29, 2015 05:45 | May 29, 2015 20:00 | 14h 15m | 901 | 1,896 |
| 8 | May 11, 2015 20:15 | May 12, 2015 06:15 | 10h | 255 | 572 |
| 9 | April 25, 2015 11:45 | April 25, 2015 16:30 | 4h 45m | 252 | 444 |
| 10 | May 8, 2015 19:15 | May 8, 2015 21:15 | 2h | 249 | 498 |
Outage episodes by size in 2015: 19 reached 100+ customers, 6 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 Zavala County reported on EIA Form 861 for 2015, 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 | 2015 | 4.3 hrs | 2.02 | 2.9 hrs | 1.68 |
| Medina Electric Coop, Inc | 2015 | 6.0 hrs | 2.75 | 6.0 hrs | 2.75 |
| Rio Grande Electric Coop, Inc | - | - | - | - | - |
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 Texas's customers in 2015; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 67,532 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. Zavala County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Zavala County, TX annual power outage report, 2015, 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/2015/texas/zavala-county