Moore County Power Outage History
2014–2025 · Texas
Worse than average — more frequent or longer outages than most counties. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Oct 29, 2020 | 119 hrs | 11,418 (92%) | Heavy Snow |
| May 13, 2017 | 1 hrs | 6,721 (54%) | Unnamed event |
| Mar 13, 2019 | 55 hrs | 5,957 (48%) | High Wind |
| Jun 11, 2018 | 1 hrs | 5,803 (47%) | Thunderstorm Wind |
| Aug 3, 2025 | 19 hrs | 4,941 (40%) | Thunderstorm Wind |
Over the 12 years from 2014 to 2025, Moore County recorded 542 distinct power outage events, averaging 2.5 hours per event.
The single worst outage on record in Moore County started October 29, 2020 (Heavy Snow), lasting 119 hours and leaving up to 11,418 customers without power (92% of the county) at its peak.
July has historically been the worst month for outages in Moore County, with 130 events recorded during that month across the dataset.
Based on this history, Moore County earns a Reliability Grade of D, placing it in the 35th percentile nationally for grid reliability (higher percentile = more reliable).
Sized for Moore County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to Moore County.
| County | Grade | National percentile |
|---|---|---|
| Nueces County | D | 35th |
| Kerr County | D | 36th |
| Haskell County | D | 34th |
| Maverick County | D | 36th |
| Mitchell County | D | 34th |
FAQ
How often does power go out in Moore County?
Between 2014 and 2025, Moore County recorded 542 outage events, averaging 2.5 hours each.
What is Moore County's reliability grade?
Moore County has a Reliability Grade of D, in the 35th national percentile.
What was the worst power outage in Moore County?
The worst outage on record started October 29, 2020 (Heavy Snow), lasting 119 hours and affecting up to 11,418 customers.