County annual report · FIPS 48065
2021 Carson County, TX Power Outage Report
In 2021, customers in Carson County, TX went without power for an average of 6.8 hours, a total of 29K customer-hours (Texas average 21.0 hours). That ranks 212th worst of 252 Texas counties and 1052nd 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 Carson 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 | March 17, 2021 09:45 | March 19, 2021 23:00 | 2d 13h | 2,204 | 14K |
| 2 | December 15, 2021 14:30 | December 15, 2021 16:15 | 1h 45m | 1,664 | 2,080 |
| 3 | February 16, 2021 13:00 | February 16, 2021 21:00 | 8h | 821 | 1,414 |
| 4 | January 14, 2021 10:30 | January 14, 2021 15:15 | 4h 45m | 591 | 2,399 |
| 5 | May 10, 2021 16:15 | May 10, 2021 17:00 | 45m | 446 | 335 |
| 6 | August 16, 2021 19:45 | August 17, 2021 01:00 | 5h 15m | 299 | 867 |
| 7 | March 22, 2021 13:45 | March 23, 2021 00:00 | 10h 15m | 163 | 504 |
| 8 | June 25, 2021 11:30 | June 28, 2021 20:45 | 3d 9h | 113 | 1,155 |
| 9 | July 5, 2021 07:00 | July 5, 2021 09:45 | 2h 45m | 109 | 297 |
| 10 | July 7, 2021 22:45 | July 8, 2021 01:30 | 2h 45m | 109 | 282 |
Outage episodes by size in 2021: 11 reached 100+ customers, 2 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 Carson 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 |
|---|---|---|---|---|---|
| Southwestern Public Service Co | 2021 | 3.2 hrs | 1.75 | 2.0 hrs | 1.07 |
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 ÷ 4,187 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. Carson County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Carson 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/carson-county