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United States · Texas · electricity · Prices checked yesterday · 14 November 2026 · re-read daily

Electricity in ZIP 78742

ZIP 78742 is in Travis County, and the cheapest plan at 2,000 kWh a month on Oncor there is Ranchero Power No Contract Advantage at 9.5¢/kWh (10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh), as listed on Power to Choose on 2026-11-14.

Rank at500 kWh1,000 kWh2,000 kWh

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Who delivers here

  • Travis County
    • Austin Energy · co-op, municipal or outside the competitive market: no retailer choice
    • Bluebonnet Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Pedernales Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Oncor · competitive delivery utility: you choose the retailer

Counties from the Census 2020 ZCTA-to-county file (largest land share first); utilities from EIA-861 2024 Service Territory, both read 2026-11-06.

Cheapest at 2,000 kWh on each zone here

  1. 1. Ranchero Power · No Contract Advantage on Oncor
    9.5¢/kWh at 2,000 kWh
    10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh · variable · 1 months
    Go to Ranchero Power
  2. 2. SOUTHERN FEDERAL POWER LLC · Variable Advantage on Oncor
    9.5¢/kWh at 2,000 kWh
    10.9¢/kWh at 500 kWh, 9.9¢/kWh at 1,000 kWh · variable · 1 months
    Go to SOUTHERN FEDERAL POWER LLC
  3. 3. SMARTENERGY HOLDINGS LLC · SmartGreen 3 on Oncor
    9.5¢/kWh at 2,000 kWh
    10.9¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
    Go to SMARTENERGY HOLDINGS LLC
  4. 4. JUST ENERGY · Sustainable Days Bundle - 3 on Oncor
    9.6¢/kWh at 2,000 kWh
    10.9¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
    Go to JUST ENERGY
  5. 5. JUST ENERGY · Sustainable Living Bundle - 3 on Oncor
    9.6¢/kWh at 2,000 kWh
    10.8¢/kWh at 500 kWh, 10.0¢/kWh at 1,000 kWh · fixed · 3 months
    Go to JUST ENERGY

Places in ZIP 78742

The Census records Austin in ZIP 78742, in Travis County. The fuller page for this ZIP is Electricity in Austin.

AustinTravis CountyEvery plan on Oncor

Another ZIP

Which counties it is in and which delivery utilities serve them.

Says which counties the ZIP is in and which delivery utilities serve them, from the Census and EIA-861. Which one serves your address is on your bill.