County annual report · FIPS 48115
2020 Dawson County, TX Power Outage Report
In 2020, customers in Dawson County, TX went without power for an average of 6.9 hours, a total of 56K customer-hours (Texas average 5.3 hours). That ranks 137th worst of 254 Texas counties and 1108th of 3,019 nationally.
Compared with TX, the US and 2019
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Dawson County, 2020
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 27, 2020 16:45 | November 4, 2020 22:30 | 8d 5h | 3,490 | 27K |
| 2 | February 17, 2020 22:30 | February 18, 2020 02:00 | 3h 30m | 1,418 | 393 |
| 3 | November 24, 2020 18:00 | November 24, 2020 23:15 | 5h 15m | 1,321 | 1,398 |
| 4 | June 18, 2020 00:30 | June 20, 2020 19:45 | 2d 19h | 786 | 4,482 |
| 5 | February 23, 2020 23:45 | February 24, 2020 01:00 | 1h 15m | 668 | 414 |
| 6 | June 23, 2020 05:45 | June 24, 2020 05:15 | 23h 30m | 668 | 3,296 |
| 7 | March 30, 2020 21:30 | March 31, 2020 11:30 | 14h | 637 | 2,619 |
| 8 | June 25, 2020 17:00 | June 25, 2020 23:30 | 6h 30m | 636 | 1,775 |
| 9 | August 17, 2020 13:15 | August 17, 2020 17:00 | 3h 45m | 548 | 294 |
| 10 | January 1, 2020 00:00 | January 1, 2020 03:30 | 3h 30m | 355 | 828 |
Outage episodes by size in 2020: 25 reached 100+ customers, 3 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 Dawson County reported on EIA Form 861 for 2020, 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 |
|---|---|---|---|---|---|
| Oncor Electric Delivery Company LLC | 2017 | 3.4 hrs | 1.69 | 2.4 hrs | 1.49 |
| Southwestern Public Service Co | 2020 | 5.5 hrs | 1.25 | 1.7 hrs | 0.92 |
| Lyntegar Electric Coop, Inc | 2020 | 18.9 hrs | - | 2.9 hrs | - |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 63% of Texas's customers in 2020; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 8,173 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. Dawson County has data for 2015, 2017–2025.
Cite this report
MassOutage (massoutage.com), Dawson County, TX annual power outage report, 2020, 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/2020/texas/dawson-county