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

Electricity in ZIP 78959

ZIP 78959 is in Gonzales County and Fayette County and Caldwell County and Bastrop County, where EIA-861 records Oncor and AEP Texas Central beside 14 utilities whose customers cannot choose a retailer; the delivery utility on your bill decides which applies. Cheapest at 500 kWh: Oncor: Companion Energy Companion Pro + Perks 3 at 10.5¢/kWh; AEP Texas Central: Ranchero Power No Contract Advantage at 9.5¢/kWh, as listed on Power to Choose on 2026-11-14.

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Who delivers here

  • Gonzales 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
    • Fayette Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • City of Flatonia - (TX) · co-op, municipal or outside the competitive market: no retailer choice
    • City of Gonzales - (TX) · co-op, municipal or outside the competitive market: no retailer choice
    • Guadalupe Valley Elec Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
    • City of Waelder - (TX) · co-op, municipal or outside the competitive market: no retailer choice
  • Fayette County
    • 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 Flatonia - (TX) · co-op, municipal or outside the competitive market: no retailer choice
    • Guadalupe Valley Elec Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
    • City of La Grange - (TX) · co-op, municipal or outside the competitive market: no retailer choice
    • San Bernard Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • City of Schulenburg - (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
  • 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

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 78959

The Census records Waelder in ZIP 78959, in Gonzales County and Fayette County and Caldwell County and Bastrop County.

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.