County annual report · FIPS 48011
2023 Armstrong County, TX Power Outage Report
In 2023, customers in Armstrong County, TX went without power for an average of 6.7 hours, a total of 3,011 customer-hours (Texas average 8.1 hours). That ranks 146th worst of 252 Texas counties and 1190th of 2,977 nationally.
Compared with TX, the US and 2022
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Armstrong County, 2023
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | April 4, 2023 21:00 | April 4, 2023 23:00 | 2h | 907 | 1,814 |
| 2 | November 5, 2023 06:30 | November 5, 2023 07:45 | 1h 15m | 185 | 231 |
| 3 | August 29, 2023 23:30 | August 30, 2023 01:45 | 2h 15m | 68 | 96 |
| 4 | March 16, 2023 19:00 | March 17, 2023 02:30 | 7h 30m | 51 | 166 |
| 5 | May 22, 2023 23:00 | May 23, 2023 03:30 | 4h 30m | 27 | 58 |
| 6 | April 12, 2023 00:00 | April 12, 2023 01:45 | 1h 45m | 16 | 20 |
| 7 | July 2, 2023 19:15 | July 2, 2023 20:30 | 1h 15m | 15 | 17 |
| 8 | September 30, 2023 14:30 | September 30, 2023 17:45 | 3h 15m | 14 | 31 |
| 9 | August 7, 2023 16:30 | August 7, 2023 20:00 | 3h 30m | 13 | 40 |
| 10 | June 1, 2023 08:15 | June 1, 2023 15:30 | 7h 15m | 10 | 48 |
Outage episodes by size in 2023: 2 reached 100+ customers, 0 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 Armstrong County reported on EIA Form 861 for 2023, 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 |
|---|---|---|---|---|---|
| Southwestern Public Service Co | 2023 | 3.9 hrs | 1.27 | 1.9 hrs | 0.99 |
| Greenbelt Electric Coop, Inc | - | - | - | - | - |
| Swisher 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 2023; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 452 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. Armstrong County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Armstrong County, TX annual power outage report, 2023, 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/2023/texas/armstrong-county