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

Electricity in ZIP 78151

ZIP 78151 is in Karnes County and DeWitt County, and the cheapest plan at 500 kWh a month on AEP Texas Central there is Ranchero Power No Contract Advantage at 9.5¢/kWh (8.6¢/kWh at 1,000 kWh, 8.2¢/kWh at 2,000 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

  • Karnes County
    • AEP Texas Central · competitive delivery utility: you choose the retailer
    • City of Floresville · 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
    • Karnes Electric Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
  • DeWitt County
    • AEP Texas Central · competitive delivery utility: you choose the retailer
    • City of Cuero - (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
    • Karnes Electric Coop Inc · co-op, municipal or outside the competitive market: no retailer choice
    • Victoria Electric Coop, Inc · co-op, municipal or outside the competitive market: no retailer choice
    • City of Yoakum - (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. 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
  2. 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
  3. 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
  4. 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
  5. 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 78151

The Census records Runge in ZIP 78151, in Karnes County and DeWitt County.

RungeKarnes CountyDeWitt CountyEvery plan on AEP Texas Central

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.