County annual report · FIPS 48129
2018 Donley County, TX Power Outage Report
In 2018, customers in Donley County, TX went without power for an average of 5.8 hours, a total of 9,853 customer-hours (Texas average 2.4 hours). That ranks 90th worst of 253 Texas counties and 942nd of 2,798 nationally.
Compared with TX, the US and 2017
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Donley County, 2018
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | July 30, 2018 01:30 | July 31, 2018 02:30 | 1d 1h | 1,480 | 6,070 |
| 2 | January 26, 2018 17:30 | January 26, 2018 18:00 | 30m | 367 | 184 |
| 3 | April 23, 2018 22:30 | April 24, 2018 05:30 | 7h | 232 | 1,449 |
| 4 | April 14, 2018 20:30 | April 15, 2018 00:00 | 3h 30m | 231 | 411 |
| 5 | December 13, 2018 23:15 | December 14, 2018 00:00 | 45m | 132 | 99 |
| 6 | April 27, 2018 17:15 | April 27, 2018 18:00 | 45m | 110 | 83 |
| 7 | December 26, 2018 18:15 | December 27, 2018 02:00 | 7h 45m | 110 | 268 |
| 8 | October 4, 2018 20:45 | October 4, 2018 21:45 | 1h | 109 | 83 |
| 9 | November 30, 2018 20:45 | November 30, 2018 21:45 | 1h | 66 | 51 |
| 10 | May 16, 2018 23:00 | May 17, 2018 04:15 | 5h 15m | 30 | 52 |
Outage episodes by size in 2018: 8 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 Donley County reported on EIA Form 861 for 2018, 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 | 2018 | 2.0 hrs | 1.08 | 1.9 hrs | 1.06 |
| Southwestern Electric Power Co | 2018 | 5.7 hrs | 2.14 | 4.2 hrs | 1.96 |
| Lighthouse Electric Coop, Inc | - | - | - | - | - |
| Greenbelt 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 90% of Texas's customers in 2018; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 1,704 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. Donley County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Donley County, TX annual power outage report, 2018, 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/2018/texas/donley-county