PowerOutageHistory
Reliability Grade
F
Least reliable
2014-2025
Texas

Robertson CountyPower Outage History

20142025 · Texas
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What this grade means

Bottom 20% least reliable nationally — frequent and/or long outages. This county ranks in the least reliable fifth of all US counties in our dataset: some combination of frequent outages, long restoration times, or customers affected puts it near the bottom nationally. Backup power is worth prioritizing here rather than treating it as optional.

Takeaway
High outage risk
Reliability Rank
Fuller bar = more reliable
Nationwide7th pct
In Texas#244 of 251
See full Texas rankings →
Total events
1,504
Recorded 2014–2025
Avg duration
2.8 hrs
Per outage event
Longest outage
166 hrs
Single worst event on record
Customers served
10,628
Utility customers in county

Outages by year

Outages by month (seasonality)

Worst outage events on record

DateDurationCustomers affectedCause
Feb 1, 2023159 hrs7,567 (71%)Ice Storm
Jun 21, 202349 hrs6,061 (57%)Heat
May 23, 202422 hrs5,940 (56%)Tornado
May 23, 20241 hrs5,835 (55%)Tornado
Jan 10, 202157 hrs5,172 (49%)Heavy Snow

Was There an Outage on a Specific Date?

Pick a date to see whether a power outage was recorded for Robertson County, Texas that day.

Over the 12 years from 2014 to 2025, Robertson County recorded 1,504 distinct power outage events, averaging 2.8 hours per event.

The single worst outage on record in Robertson County started February 1, 2023 (Ice Storm), lasting 159 hours and leaving up to 7,567 customers without power (71% of the county) at its peak.

May has historically been the worst month for outages in Robertson County, with 199 events recorded during that month across the dataset.

Based on this history, Robertson County earns a Reliability Grade of F, placing it in the 7th percentile nationally for grid reliability (higher percentile = more reliable).

Similar counties in Texas

Counties with the closest reliability grade and national percentile to Robertson County.

CountyGradeNational percentile
Leon CountyF7th
Jefferson CountyF7th
San Jacinto CountyF7th
Culberson CountyF8th
Tyler CountyF6th

Most reliable counties nationally

The top 3 counties nationally by reliability grade and percentile.

CountyStateGradeNational percentile
Clay CountySouth DakotaA100th
Clearwater CountyMinnesotaA99th
Limestone CountyAlabamaA99th

Least reliable counties nationally

The bottom 3 counties nationally by reliability grade and percentile.

FAQ

How often does power go out in Robertson County?

Between 2014 and 2025, Robertson County recorded 1,504 outage events, averaging 2.8 hours each.

What is Robertson County's reliability grade?

Robertson County has a Reliability Grade of F, in the 7th national percentile.

What was the worst power outage in Robertson County?

The worst outage on record started February 1, 2023 (Ice Storm), lasting 159 hours and affecting up to 7,567 customers.

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Data: ORNL EAGLE-I Recorded Electricity Outages (2014–2025), CC BY 4.0. Storm names: NOAA Storm Events Database. Last data refresh: 2025. See methodology.