ZIP 77517 is in Galveston County and Brazoria County, where EIA-861 records CenterPoint and TNMP beside 2 utilities whose customers cannot choose a retailer; the delivery utility on your bill decides which applies. Cheapest at 500 kWh: CenterPoint: Octopus Energy Octo Simple 3 at 10.3¢/kWh; TNMP: Express Energy Speedy 12 at 12.3¢/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 Santa Fe in ZIP 77517, in Galveston County and Brazoria County.
Which counties it is in and which delivery utilities serve them.