McLennan County Power Outage History
2014–2025 · Texas
Average — typical outage frequency and duration nationally. How grades are calculated
Outages by year
Outages by month (seasonality)
Worst outage events on record
| Date | Duration | Customers affected | Cause |
|---|---|---|---|
| Feb 14, 2021 | 92 hrs | 42,968 (34%) | Winter Storm Uri |
| May 30, 2024 | 75 hrs | 19,440 (15%) | Heat |
| May 2, 2025 | 9 hrs | 19,268 (15%) | Drought |
| May 27, 2020 | 17 hrs | 18,273 (14%) | Hail |
| Apr 15, 2019 | 0 hrs | 18,026 (14%) | Hail |
Over the 12 years from 2014 to 2025, McLennan County recorded 1,168 distinct power outage events, averaging 2.7 hours per event.
The single worst outage on record in McLennan County started February 14, 2021 (Winter Storm Uri), lasting 92 hours and leaving up to 42,968 customers without power (34% of the county) at its peak.
May has historically been the worst month for outages in McLennan County, with 161 events recorded during that month across the dataset.
Based on this history, McLennan County earns a Reliability Grade of C, placing it in the 51st percentile nationally for grid reliability (higher percentile = more reliable).
Sized for McLennan County's outage profile
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Similar counties in Texas
Counties with the closest reliability grade and national percentile to McLennan County.
| County | Grade | National percentile |
|---|---|---|
| Montague County | C | 51st |
| Kaufman County | C | 51st |
| Fannin County | C | 50th |
| Fisher County | C | 51st |
| Nolan County | C | 51st |
FAQ
How often does power go out in McLennan County?
Between 2014 and 2025, McLennan County recorded 1,168 outage events, averaging 2.7 hours each.
What is McLennan County's reliability grade?
McLennan County has a Reliability Grade of C, in the 51st national percentile.
What was the worst power outage in McLennan County?
The worst outage on record started February 14, 2021 (Winter Storm Uri), lasting 92 hours and affecting up to 42,968 customers.