ZIP 78648 is in Caldwell County and Guadalupe County and Gonzales 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.
OpenStream is not yet registered as a broker with the PUCT and earns nothing from any retailer. How we are paid.
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.
The Census records Luling in ZIP 78648, in Caldwell County and Guadalupe County and Gonzales County.
Which counties it is in and which delivery utilities serve them.