Power outage history
Blanco County Texas
12hours
without power for the average customer in a typical year, 2018–2025
101st most of 240 in Texas 1.8× the national median
Every day since 2015
Eleven years, one night at a time
Each cell is a day. The brighter it is, the larger the share of Blanco's customers who were without power at that day's worst moment.
Year by year
Hours in the dark, per customer
2021 was the worst well-recorded year, at 37 hours for the average customer. Hatched years have a thin record and are left out of the averages.
Blanco, hours without power per customer
The record
The biggest outages since 2015
Ranked by customer-hours lost: customers out multiplied by how long they stayed out. Times are local.
| Began | Storm | Peak out | Share | Lasted | 90% restored | Customer-hours |
|---|---|---|---|---|---|---|
| Feb 1, 2023 | Winter storm | 2,928 | 55% | 5.5 d | 48 min | 163k |
| Feb 14, 2021 | Winter storm | 5,297 | 100% | 2.6 d | 21 h | 149k |
| Feb 18, 2021 | No storm report | 1,062 | 20% | 36 h | 19 h | 15k |
| Oct 25, 2025 | Tornadoes | 4,761 | 90% | 3.5 h | 3.0 h | 10k |
| Mar 30, 2022 | No storm report | 1,252 | 24% | 7.0 h | 5.8 h | 8.4k |
| Sep 29, 2017 | No storm report | 988 | 19% | 5.8 h | 5.5 h | 4.2k |
| Mar 12, 2024 | No storm report | 713 | 13% | 5.5 h | 5.5 h | 3.9k |
| Dec 14, 2025 | No storm report | 3,064 | 58% | 7.0 h | 2.8 h | 3.7k |
| Mar 27, 2024 | No storm report | 696 | 13% | 5.8 h | 2.2 h | 3.6k |
| Mar 29, 2022 | No storm report | 766 | 14% | 4.0 h | 2.0 h | 3.1k |
| Oct 24, 2024 | No storm report | 571 | 11% | 5.0 h | 5.0 h | 2.9k |
| Oct 30, 2024 | No storm report | 543 | 10% | 5.2 h | 3.2 h | 2.8k |
| Jun 11, 2025 | No storm report | 440 | 8% | 12 h | 10 h | 2.6k |
| Oct 29, 2024 | No storm report | 502 | 9% | 5.5 h | 5.0 h | 2.5k |
| Jul 20, 2023 | Heat | 5,064 | 96% | 30 min | 12 min | 2.5k |
| Mar 17, 2020 | No storm report | 567 | 11% | 4.2 h | 7.8 h | 2.4k |
| Feb 20, 2021 | No storm report | 196 | 4% | 33 h | – | 2.3k |
| Jul 4, 2025 | No storm report | 763 | 14% | 3.5 h | 5.0 h | 2.3k |
| Mar 16, 2022 | Wildfire | 505 | 10% | 4.5 h | 2.8 h | 2.3k |
| Mar 17, 2022 | No storm report | 746 | 14% | 3.0 h | 3.0 h | 2.2k |
| Jan 30, 2025 | No storm report | 1,047 | 20% | 3.0 h | 1.2 h | 2.2k |
| Mar 13, 2024 | No storm report | 506 | 10% | 4.2 h | 4.2 h | 2.1k |
| Sep 14, 2021 | Hurricane Nicholas | 404 | 8% | 4.5 h | 5.2 h | 1.8k |
| Sep 15, 2021 | Hurricane Nicholas | 566 | 11% | 4.2 h | 2.8 h | 1.8k |
| Oct 27, 2021 | No storm report | 1,322 | 25% | 3.0 h | 48 min | 1.7k |
| Feb 11, 2021 | Winter storm | 214 | 4% | 21 h | – | 1.7k |
| Oct 27, 2021 | No storm report | 1,345 | 25% | 1.2 h | 1.2 h | 1.7k |
| Mar 28, 2018 | No storm report | 457 | 9% | 5.2 h | 3.0 h | 1.6k |
| Sep 30, 2021 | No storm report | 402 | 8% | 4.0 h | 3.2 h | 1.6k |
| May 18, 2021 | No storm report | 515 | 10% | 5.5 h | 5.0 h | 1.6k |
After the peak
How fast the lights come back
Each line is one major outage, from its peak. The amber line is the typical path.
When it happens
The outage clock
Customer-hours out by month (rings, January innermost) and local hour, 2018–2025.
What was happening
Weather behind the outages
Each outage is matched to NOAA storm reports for Blanco from twelve hours before it began to its peak. Matching shows coincidence, not proof of cause.
- Winter storm 67%
- No storm on record 27%
- Tornadoes 2.3%
- Wildfire 1.1%
- Tropical storm 0.8%
- Heat 0.7%
- Thunderstorms 0.5%
Who keeps the lights on
Utilities serving Blanco
As each utility reports to the Energy Information Administration for its whole Texas territory, not this county alone. Outage minutes include major storm days.
| Utility | Type | Outage min / yr | Excl. major storms | Outages / yr | Residential ¢/kWh | Customers |
|---|---|---|---|---|---|---|
| Pedernales Electric Coop, Inc | Cooperative | 90 | 78 | 1.16 | 12.8 | 421k |
| Central Texas Elec Coop, Inc | Cooperative | 220 | 193 | 1.97 | 12.2 | 40k |
EIA Form 861, latest year each utility reported. Outage minutes are SAIDI, the yearly minutes the average customer goes without power; outages a year are SAIFI.
About these numbers
Notes
Outages come from the EAGLE-I record of utility outage maps collected every 15 minutes by Oak Ridge National Laboratory. Hours without power are customer-hours divided by the county's 5,297 electricity customers. Averages use well-covered years from 2018. Outages shorter than 15 minutes, and utilities that publish no outage map, are not in the record, so these figures understate the total. How every number is made →