County annual report · FIPS 48245
2019 Jefferson County, TX Power Outage Report
In 2019, customers in Jefferson County, TX went without power for an average of 37.0 hours, a total of 1.9M customer-hours (Texas average 4.9 hours). That ranks 14th worst of 254 Texas counties and 87th of 2,945 nationally.
Compared with TX, the US and 2018
Coverage line is EAGLE-I's share of Texas customers tracked each year.
Biggest outages in Jefferson County, 2019
The 10 outage episodes with the most customers out at once. Times are UTC.
| # | Started (UTC) | Ended (UTC) | Duration | Peak out | Customer-hours |
|---|---|---|---|---|---|
| 1 | May 10, 2019 01:00 | May 16, 2019 23:45 | 6d 22h | 40,256 | 1.3M |
| 2 | October 31, 2019 02:15 | November 1, 2019 06:15 | 1d 4h | 10,953 | 33K |
| 3 | September 19, 2019 15:45 | September 26, 2019 02:30 | 6d 10h | 8,685 | 201K |
| 4 | November 27, 2019 11:00 | December 4, 2019 22:00 | 7d 11h | 5,119 | 18K |
| 5 | March 17, 2019 10:00 | March 18, 2019 03:15 | 17h 15m | 4,610 | 5,226 |
| 6 | October 1, 2019 13:15 | October 3, 2019 09:00 | 1d 19h | 4,576 | 15K |
| 7 | October 11, 2019 14:00 | October 12, 2019 12:15 | 22h 15m | 3,671 | 13K |
| 8 | April 7, 2019 18:45 | April 11, 2019 02:30 | 3d 7h | 3,544 | 34K |
| 9 | May 4, 2019 09:00 | May 5, 2019 08:45 | 23h 45m | 3,166 | 10K |
| 10 | April 6, 2019 23:15 | April 7, 2019 03:00 | 3h 45m | 2,886 | 5,706 |
Outage episodes by size in 2019: 158 reached 100+ customers, 43 reached 1,000+ customers, 2 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 Jefferson County reported on EIA Form 861 for 2019, 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 |
|---|---|---|---|---|---|
| Entergy Texas Inc. | 2018 | 4.3 hrs | 1.77 | 3.7 hrs | 1.67 |
About this data
- Outage figures come from DOE/ORNL EAGLE-I, which records customers out by county every 15 minutes. EAGLE-I tracked about 93% of Texas's customers in 2019; utilities it does not see are not counted.
- Hours per customer = outage customer-minutes ÷ 51,659 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. Jefferson County has data for 2015–2025.
Cite this report
MassOutage (massoutage.com), Jefferson County, TX annual power outage report, 2019, 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/2019/texas/jefferson-county