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Power Outages in Williamson County, TX

No live outage feed is available for Williamson County, TX yet — live coverage depends on local utilities reporting to ODIN. In 2025, the average customer here lost power for about 2.4 hours.

Williamson County, TX is served by local tracked utilities.

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Williamson County, TX
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This county 0out
No major outages reported

Williamson County's utilities do not report live data to ODIN, so real-time outage counts aren't available here. The historical record below is complete.

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🔔 Alerts for Williamson County, TX:
◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Williamson County right now.

Recent NWS alert activity · Williamson County

Williamson County has been under 5 National Weather Service alerts recently — most recently a Special Weather Statement on July 16, 2026.

  • Flood Watch ×4
  • Special Weather Statement ×1
OUTAGE TREND
Williamson County, TX
0
AS OF LAST UPDATE · PEAK 0
Updated July 18, 2026
2 PM8 PM2 AM9 AM2 PM

Hardest-hit cities in Williamson County

Where this event is concentrated across the county's towns and townships.

  • Round Rockno active outage
  • Georgetownno active outage
  • Leanderno active outage
  • Cedar Parkno active outage

Historical reliability

In 2025, the average customer in Williamson County went about 2.4 hours without power. Peak simultaneous outage on record reached 134,418 customers.

A decade of outages (20152025)
avg hrs without power / customer
1.1h20150.1h20160.4h20172.0h20181.8h20191.6h202023.6h20213.6h202214.0h20232.3h20242.4h2025

Worst year here was 2021 (peak 134,418 customers out) · decade average 4.8 hrs without power per customer/yr.

YearOutage eventsPeak customers outAvg hrs/customer
201567714,4771.1
20162741,5340.1
20177394,2450.4
20181,00922,4022.0
201998615,9661.8
20208909,7861.6
2021869134,41823.6
202282922,2583.6
202364970,70314.0
202477311,0782.3
202579613,3892.4
Worst recorded outages
STARTEDPEAK OUTDURATION
February 11, 2021134,41811d 16h
January 31, 202370,70314d 20h
June 4, 201822,4022d 3h
March 21, 202222,2583d
November 7, 201817,1961d 5h
See the biggest power outages in US history →
Natural hazards & outage risk
HIGH

Very High winter weather exposure · 4.8 hrs/yr of outages over the last decade.

TornadoRelatively High
Ice stormRelatively Moderate
Strong windRelatively Moderate
FloodingRelatively Moderate
Heat waveRelatively Moderate
All hazard rankings →

Power outages in Williamson County: FAQ

How often does Williamson County, TX lose power?
Based on EAGLE-I records, Williamson County, TX logged 796 distinct outage events in 2025, averaging about 2.4 hours without power per customer over the year.
What was the worst power outage in Williamson County, TX?
The largest tracked outage peaked at 134,418 customers without power, beginning February 11, 2021 and lasting about 11d 16h.
Is there a power outage in Williamson County, TX right now?
No major outage is currently reported for Williamson County, TX. Live coverage depends on whether local utilities report to ODIN.
Nearby counties
Cities & towns in Williamson County

Round Rock, Georgetown, Leander, Cedar Park. Outage counts for these communities are reported at the Williamson County level shown above.

ZIP codes in Williamson County

Outages are tracked at the county level; these ZIP codes fall within Williamson County.

76527, 76530, 76537, 76573, 76574, 76578, 78613, 78615, 78626, 78628, 78633, 78634, 78642, 78664, 78665, 78674, 78681, 78717, 78729

Machine-readable data: /api/v1/counties/48491 and /api/v1/counties/48491/history. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Texas customers).