massoutage

Power Outages in Williamson County, TX

As of October 19, 2026 12:50 UTC, about 2 customers are without power in Williamson County, TX across 1 reported incident. Bartlett Electric Coop, Inc publishes only a system-wide total, not county figures. There is no live feed for City of Bartlett - (TX), so outages in their service area aren't counted. In 2025, the average customer here lost power for about 2.4 hours.

Williamson County, TX is served by 7 tracked utilities.

Cite this data
URL
https://massoutage.com/texas/williamson-county
As of
October 19, 2026 12:50 UTC
Publisher
MassOutage

MassOutage, "Power Outages in Williamson County, TX", live data as of October 19, 2026 12:50 UTC. https://massoutage.com/texas/williamson-county

Alert me
Williamson County, TX
Loading map…
This county Loading live outagesout
Scattered outages

2 customers without power

Across 1 reported incident.

Utility ETR: October 19, 2026 14:52 UTC (utility's estimate)

Not counted: no live feed for City of Bartlett - (TX).

Live data as of

Live status by utility · Williamson County

89%of this county's ~390,914 customers are served by utilities with a county-level live feed.

Blind spots

We can't see outages for: City of Bartlett - (TX). Their customers are not in any number on this page; check their own outage maps.

System-wide total only, no county split: Bartlett Electric Coop, Inc.

UtilityFeedOutServed% outSmall outagesIncidentsUtility ETRAs of
Pedernales Electric Coop, IncLive · county0141,6430.0%-0-
Oncor Electric Delivery Company LLCLive · county0141,3010.0%-0-
City of Georgetown - (TX)Live · county036,5920.0%---
Austin EnergyLive · county226,5770.0%-1October 19, 2026 14:52 UTC
Bluebonnet Electric Coop, IncLive · county01,0290.0%---
Bartlett Electric Coop, IncLive · total onlynot by county------
City of Bartlett - (TX)No live feedcan't see------

Pedernales Electric Coop, Inc, Oncor Electric Delivery Company LLC, City of Georgetown - (TX), Austin Energy and Bluebonnet Electric Coop, Inc reportevery town in the county on each poll, so 0 out is a real all-clear. ETRs are the utility's own estimates.

Municipalities in Williamson County

Town-by-town counts as reported by Austin Energy, most affected first. A town served by more than one utility appears once per utility; utilities without a town-level feed aren't included. Updated .

TownUtilityOutServed% outUtility ETRSmall outages
78729Austin Energy216,5760.0%October 19, 2026 14:52 UTC-
Show 3 towns with no outages
78613Austin Energy01,2560.0%--
78681Austin Energy090.0%--
78717Austin Energy08,7360.0%--

Active outages in Williamson County0

No individual outages are listed by utilities with an outage-level feed right now.

Electricity-dependent residents

HHS emPOWER · data October 7, 2026

Medicare beneficiaries in Williamson Countywho rely on electricity-dependent medical equipment (ventilators, oxygen concentrators, home dialysis, powered wheelchairs, and more). HHS reports counts of 1–10 as “≤11”. Medicare only, so the full at-risk population is larger.

Power-dependent
4,243
Oxygen service
705
Dialysis (facility)
466
Home health / hospice
857
By ZIP code (17)
ZIPPower-dependentVentilatorsO2 concentratorsHome dialysis
7863357520376≤11
78628349≤11241≤11
7861334421235≤11
78665302≤11217≤11
78626256≤11173≤11
78681247≤11161≤11
78664244≤11168≤11
7657418612128≤11
78634180≤11127≤11
78642146≤11103≤11
78729102≤1167≤11
7653794≤1165≤11
7871790≤1154≤11
7652751≤1136≤11
7653027≤11170
76578190160
78615≤11≤11≤110

Emergency managers can request identified beneficiary lists through their state health department via the HHS emPOWER program.

🔔 Alerts for Williamson County, TX

Outage began, grew, restoration estimate changed, restored: by email, Slack, Teams, Discord or signed webhook, for Williamson County or any town and utility in it.

Get alerts for Williamson CountySend updates to your dashboardRSS feed
◢ ACTIVE WEATHER ALERTS · NWS

No active NWS alerts for Williamson County right now.

Recent NWS alert activity · Williamson County

Williamson County has been under 23 National Weather Service alerts recently, most recently a Wind Advisory on October 16, 2026.

  • Flood Watch ×7
  • Heat Advisory ×4
  • Air Quality Alert ×3
  • Flood Advisory ×3
  • Special Weather Statement ×3
  • Wind Advisory ×3

Latest Williamson County, TX outage updates

A running log of how this outage has changed, updated automatically as utilities report in.

  1. RESOLVED

    Power restored after 35m

  2. OUTAGE BEGAN

    Outage began: 2,523 customers out (0.7% of the county)

  3. RESOLVED

    Power restored after 20m

  4. OUTAGE BEGAN

    Outage began: 662 customers out (0.2% of the county)

  5. RESOLVED

    Power restored after 10m

  6. OUTAGE BEGAN

    Outage began: 963 customers out (0.3% of the county)

  7. RESOLVED

    Power restored after 8h 20m

  8. RESTORATION ETA

    Restoration now estimated September 15, 2026

Outage trend · Williamson County, TX
2customers out · peak 176
Data as of Oct 19, 2026 12:50 UTC
Williamson County, TX: customers without power, last 24 hoursPeak 176 customers out; latest 2 as of Oct 19, 2026 12:50 UTC. Each point is the highest reading in its interval.05010015020012 PM6 PMOct 196 AM
Use the arrow keys to read values.
Times in EDT. Shaded stretches had no reading.

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.

Official state benchmark (EIA 2025)Source: US EIA

The US EIA reports Texas utilities averaged 3.7 hrs without power per customer (SAIDI) in 2025, a cross-check on our county estimate of 2.4 hrs.

A decade of outages (2015–2025)
avg hrs without power / customer
Williamson County average outage hours per customer by year2015–2025: 2015 1.1h, 2016 0.1h, 2017 0.4h, 2018 2.0h, 2019 1.8h, 2020 1.6h, 2021 23.6h, 2022 3.6h, 2023 14.0h, 2024 2.3h, 2025 2.4h. Highlighted: 2021.01020301.1h20150.1h20160.4h20172.0h20181.8h20191.6h202023.6h20213.6h202214.0h20232.3h20242.4h2025
Use the arrow keys to read values.

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

Cost of power in Williamson County

ENERGY & AI DEMAND →

Estimated residential electricity price for Williamson County, customer-weighted across the utilities serving it (US EIA, 2025). Retail prices aren't published at the county level; this is a derived estimate.

13.7¢/kWh
estimated residential average
▲ 27% since 2015
vs Texas avg 15.9¢
vs US avg 20.0¢
BY UTILITY · RESIDENTIAL ¢/kWh

Weighted by each utility's residential customer count (utilities report customers at the state level; a per-county share isn't published). Rising retail prices track a national demand surge; see energy & the data-center boom.

Worst recorded outages
STARTEDPEAK OUTDURATION
February 11, 2021134,41811d 16h
January 31, 202370,70314d 20h
June 4, 201822,4022d 3h
May 28, 201514,4772d 7h
April 13, 201814,1102d 9h
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?
Yes, about 2 customers are currently without power across 1 reported incident(s).
Which utilities serve Williamson County, TX?
Tracked electric providers include Austin Energy, Bluebonnet Electric Coop, Inc, City of Georgetown - (TX), Oncor Electric Delivery Company LLC, Pedernales Electric Coop, Inc.
Nearby counties
Bastrop CountyBell CountyBurnet CountyLee County
Cities & towns in Williamson County

Round Rock, Georgetown, Leander, Cedar Park. Town-level outage counts are in the municipalities table 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

Electric providers serving this county

From EIA-861 service territory, with official reliability where reported.

ProviderOfficial SAIDI (EIA)LiveReport outage
Pedernales Electric Coop, Inc1.5 hrsLive · county
Map ↗
Bluebonnet Electric Coop, Inc1.9 hrsLive · county-
Bartlett Electric Coop, Inc3.6 hrsLive · total only-
Austin Energy3.0 hrsLive · county
Map ↗
Oncor Electric Delivery Company LLC-Live · county
Map ↗
City of Bartlett - (TX)-No live feed-
City of Georgetown - (TX)-Live · county-

Data from DOE/ORNL ODIN, DOE EAGLE-I, EIA Form 861 (utility reliability), EIA electricity retail prices and FEMA National Risk Index, every source we read. Historical figures derive from the DOE/ORNL EAGLE-I dataset (EAGLE-I tracked roughly 0% of Texas customers). Machine-readable data: /api/v1/counties/48491 and /api/v1/counties/48491/history. Live data as of .