County annual report · FIPS 48193
2025 Hamilton County, TX Power Outage Report
In 2025, customers in Hamilton County, TX went without power for an average of 18.2 hours, a total of 34K customer-hours (Texas average 4.6 hours). That ranks 58th worst of 254 Texas counties and 403rd of 3,000 nationally.
Compared with TX, the US and 2024
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Hamilton County, 2025
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | October 30, 2025 14:00 | October 30, 2025 17:15 | 3h 15m | 1,128 | 571 |
| 2 | February 15, 2025 23:15 | February 16, 2025 04:45 | 5h 30m | 911 | 5,010 |
| 3 | July 3, 2025 21:00 | July 4, 2025 18:45 | 21h 45m | 911 | 3,868 |
| 4 | May 4, 2025 05:45 | May 4, 2025 10:30 | 4h 45m | 910 | 2,960 |
| 5 | July 2, 2025 10:30 | July 2, 2025 19:00 | 8h 30m | 909 | 4,312 |
| 6 | September 24, 2025 13:15 | September 24, 2025 15:00 | 1h 45m | 903 | 739 |
| 7 | June 3, 2025 17:00 | June 3, 2025 17:15 | 15m | 750 | 188 |
| 8 | October 20, 2025 14:15 | October 20, 2025 18:30 | 4h 15m | 578 | 437 |
| 9 | August 20, 2025 14:30 | August 20, 2025 22:45 | 8h 15m | 575 | 187 |
| 10 | September 16, 2025 13:45 | September 16, 2025 16:30 | 2h 45m | 575 | 1,436 |
Outage episodes by size in 2025: 22 reached 100+ customers, 1 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 Hamilton County reported on EIA Form 861 for 2025, 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 |
|---|---|---|---|---|---|
| United Electric Coop Service Inc - (TX) | 2024 | 1.9 hrs | 1.19 | 1.9 hrs | 1.19 |
| Heart of Texas Electric Coop | 2024 | 6.0 hrs | 2.17 | 5.0 hrs | 2.01 |
| Texas-New Mexico Power Co | - | - | - | - | - |
| Hamilton 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 n/a of Texas's customers in 2025; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 1,841 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. Hamilton County has data for 2017–2025.
Cite this report
MassOutage (massoutage.com), Hamilton County, TX annual power outage report, 2025, 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/2025/texas/hamilton-county