County annual report · FIPS 48059
2021 Callahan County, TX Power Outage Report
In 2021, customers in Callahan County, TX went without power for an average of 49.5 hours, a total of 187K customer-hours (Texas average 21.0 hours). That ranks 66th worst of 252 Texas counties and 184th 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 Callahan 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 13, 2021 19:30 | February 19, 2021 08:45 | 5d 13h | 3,715 | 117K |
| 2 | January 1, 2021 00:00 | January 3, 2021 00:15 | 2d | 2,484 | 36K |
| 3 | May 25, 2021 11:45 | May 25, 2021 16:15 | 4h 30m | 2,131 | 3,593 |
| 4 | July 21, 2021 13:00 | July 21, 2021 16:30 | 3h 30m | 1,551 | 401 |
| 5 | March 13, 2021 23:00 | March 14, 2021 18:30 | 19h 30m | 1,533 | 1,678 |
| 6 | June 21, 2021 19:45 | June 21, 2021 20:45 | 1h | 937 | 937 |
| 7 | October 14, 2021 05:45 | October 14, 2021 06:00 | 15m | 778 | 195 |
| 8 | June 29, 2021 17:15 | June 29, 2021 23:15 | 6h | 743 | 451 |
| 9 | August 18, 2021 01:15 | August 18, 2021 09:15 | 8h | 735 | 866 |
| 10 | June 10, 2021 21:15 | June 11, 2021 00:00 | 2h 45m | 604 | 725 |
Outage episodes by size in 2021: 40 reached 100+ customers, 5 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 Callahan 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 North Company | 2021 | 18.9 hrs | 2.72 | 1.9 hrs | 1.24 |
| Taylor Electric Coop Inc - (TX) | - | - | - | - | - |
| Coleman County Elec Coop, Inc | - | - | - | - | - |
| Comanche County Elec Coop Assn | - | - | - | - | - |
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 ÷ 3,779 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. Callahan County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Callahan 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/callahan-county