Electricity rates in Round Rock, TX
Round Rock (115,997 people, Williamson County) is served by 3 electric utilities. Homes on Bartlett Electric Co-op pay about 15.71¢/kWh, 2% less than the Texas average.
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Electric companies serving Round Rock
| Utility | Type | Rate | Avg bill | Homes (statewide) | Outage min |
|---|---|---|---|---|---|
| Bartlett Electric Co-op | Electric cooperative | 15.71¢ | $215 | 12K | 213 |
| Austin Energy | Municipal utility | 13.56¢ | $113 | 522K | 182 |
| Pedernales Electric Co-op | Electric cooperative | 13.16¢ | $158 | 421K | 90 |
Power outages in Williamson County right now
Checking live outages…
Outage history in Williamson County
| 2024 | 2025 | |
|---|---|---|
| Outage minutes per customer | 135 | 145 |
| Days with outages | 73 | 75 |
| Most customers out at once | 11,078 (3.7%) | 13,389 (4.5%) |
| Worst day | 2024-05-29 | 2025-10-10 |
Outage minutes by month, 2025
More outage time than 2024 (135 min). Data: ORNL EAGLE-I county outage snapshots every 15 minutes, covering all utilities in the county.
Nearby cities
- Windemere 13.6¢
- Brushy Creek 15.7¢
- Wells Branch 13.6¢
- Pflugerville 13.6¢
- Hutto 15.7¢
- Cedar Park 13.2¢
- Georgetown 15.7¢
- Leander 13.2¢
- Serenada 15.7¢
- Manor 13.6¢
ZIP codes: 78664, 78665, 78680, 78681, 78682, 78683
Frequently asked questions
What is the electricity rate in Round Rock?
Most homes in Round Rock get power from Bartlett Electric Co-op, where residential customers pay an average of 15.71¢/kWh including all charges. The Texas average is 15.96¢ and the U.S. average 17.99¢. Other utilities serving parts of Round Rock: Austin Energy (13.56¢), Pedernales Electric Co-op (13.16¢).
What is the average electric bill in Round Rock?
About $215 a month, based on 1,371 kWh a month (the average for Bartlett Electric Co-op customers) at 15.71¢/kWh. Homes with electric heat, pools or EVs pay more.
Who is the electric company in Round Rock, TX?
3 utilities serve Round Rock's ZIP codes: Bartlett Electric Co-op, Austin Energy, Pedernales Electric Co-op. Which one serves you depends on your street address.
How often does the power go out in Round Rock?
In 2025, customers in Williamson County averaged 2 hr 25 min without power. Outages hit 75 days of the year, and the worst day was 2025-10-10, when 13,389 customers (4.5%) were out. Source: ORNL EAGLE-I.