Electricity in ZIP 78621

Who delivers here

• Bastrop County
  • City of Bastrop - (TX) · 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
  • Fayette Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
  • City of Smithville - (TX) · co-op, municipal or outside the competitive market: no retailer choice
  • Oncor · competitive delivery utility: you choose the retailer
• 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
• Williamson County
  • Austin Energy · co-op, municipal or outside the competitive market: no retailer choice
  • Bartlett Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
  • City of Bartlett - (TX) · 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
  • City of Georgetown - (TX) · 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
• Lee County
  • Bartlett Electric Coop, Inc · 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
  • Fayette Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
  • City of Giddings - (TX) · co-op, municipal or outside the competitive market: no retailer choice
  • City of Lexington - (TX) · co-op, municipal or outside the competitive market: no retailer choice

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 500 kWh on each zone here

1. 1. Companion Energy · Companion Pro + Perks 3 on Oncor
   10.5¢/kWh at 500 kWh
   10.1¢/kWh at 1,000 kWh, 9.9¢/kWh at 2,000 kWh · fixed · 3 months
   Go to Companion Energy
2. 2. FRONTIER UTILITIES · Frontier Power Saver 3 on Oncor
   10.5¢/kWh at 500 kWh
   10.1¢/kWh at 1,000 kWh, 9.9¢/kWh at 2,000 kWh · fixed · 3 months
   Go to FRONTIER UTILITIES
3. 3. GEXA ENERGY · Gexa Eco Choice 3 on Oncor
   10.5¢/kWh at 500 kWh
   10.1¢/kWh at 1,000 kWh, 9.9¢/kWh at 2,000 kWh · fixed · 3 months
   Go to GEXA ENERGY
4. 4. JUST ENERGY · Sustainable Living Bundle - 3 on Oncor
   10.8¢/kWh at 500 kWh
   10.0¢/kWh at 1,000 kWh, 9.6¢/kWh at 2,000 kWh · fixed · 3 months
   Go to JUST ENERGY
5. 5. Ranchero Power · No Contract Advantage on Oncor
   10.9¢/kWh at 500 kWh
   9.9¢/kWh at 1,000 kWh, 9.5¢/kWh at 2,000 kWh · variable · 1 months
   Go to Ranchero Power

Places in ZIP 78621

The Census records Elgin, Webberville in ZIP 78621, in Bastrop County and Travis County and Williamson County and Lee County.