Orange County Power Outage History
2014–2025 · Texas
Bottom 20% least reliable nationally — frequent and/or long outages. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Aug 26, 2020 | 89 hrs | 38,709 (72%) | Unnamed event |
| Aug 30, 2020 | 134 hrs | 36,242 (68%) | Unnamed event |
| Aug 29, 2017 | 319 hrs | 30,535 (57%) | Flash Flood |
| Oct 9, 2020 | 34 hrs | 29,220 (55%) | Unnamed event |
| Aug 5, 2020 | 2 hrs | 19,518 (37%) | Unnamed event |
Over the 12 years from 2014 to 2025, Orange County recorded 1,579 distinct power outage events, averaging 3.4 hours per event.
The single worst outage on record in Orange County started August 26, 2020, lasting 89 hours and leaving up to 38,709 customers without power (72% of the county) at its peak.
August has historically been the worst month for outages in Orange County, with 184 events recorded during that month across the dataset.
Based on this history, Orange County earns a Reliability Grade of F, placing it in the 2nd percentile nationally for grid reliability (higher percentile = more reliable).
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Orange County.
| County | Grade | National percentile |
|---|---|---|
| Trinity County | F | 2nd |
| Marion County | F | 4th |
| Terrell County | F | 4th |
| Gregg County | F | 4th |
| Borden County | F | 6th |
FAQ
How often does power go out in Orange County?
Between 2014 and 2025, Orange County recorded 1,579 outage events, averaging 3.4 hours each.
What is Orange County's reliability grade?
Orange County has a Reliability Grade of F, in the 2nd national percentile.
What was the worst power outage in Orange County?
The worst outage on record started August 26, 2020, lasting 89 hours and affecting up to 38,709 customers.