Electricity in ZIP 78640

Who delivers here

• Hays County
  • 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
  • City of San Marcos - (TX) · co-op, municipal or outside the competitive market: no retailer choice
• Caldwell County
  • Bluebonnet Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
  • AEP Texas Central · competitive delivery utility: you choose the retailer
  • Guadalupe Valley Elec Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
  • City of Lockhart - (TX) · co-op, municipal or outside the competitive market: no retailer choice
  • City of Luling - (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
• 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 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
6. 1. Ranchero Power · No Contract Advantage on AEP Texas Central
   9.5¢/kWh at 500 kWh
   8.6¢/kWh at 1,000 kWh, 8.2¢/kWh at 2,000 kWh · variable · 1 months
   Go to Ranchero Power
7. 2. SOUTHERN FEDERAL POWER LLC · Variable Advantage on AEP Texas Central
   9.5¢/kWh at 500 kWh
   8.6¢/kWh at 1,000 kWh, 8.2¢/kWh at 2,000 kWh · variable · 1 months
   Go to SOUTHERN FEDERAL POWER LLC
8. 3. Octopus Energy · Octo Simple 3 on AEP Texas Central
   9.5¢/kWh at 500 kWh
   9.7¢/kWh at 1,000 kWh, 9.8¢/kWh at 2,000 kWh · fixed · 3 months
   Go to Octopus Energy
9. 4. INFUSE ENERGY · Essential Infusion Flex on AEP Texas Central
   9.9¢/kWh at 500 kWh
   9.3¢/kWh at 1,000 kWh, 9.1¢/kWh at 2,000 kWh · variable · 1 months
   Go to INFUSE ENERGY
10. 5. Companion Energy · Companion Pro + Perks 3 on AEP Texas Central
    9.9¢/kWh at 500 kWh
    9.5¢/kWh at 1,000 kWh, 9.4¢/kWh at 2,000 kWh · fixed · 3 months
    Go to Companion Energy

Places in ZIP 78640

The Census records Kyle, Niederwald, Uhland, Creedmoor, Mountain City in ZIP 78640, in Hays County and Caldwell County and Travis County.