CPS Energy (City of San Antonio)

Not affiliated with ERCOT, the PUCT, or any utility, co-op or city utility.

Knowledge-base fields for this record: type municipal, grid ERCOT, retail choice unknown, coverage covered. Record checked 2026-09-28.

CPS Energy says that without a battery backup it supplies the home's electricity at night, when the solar system is not producing.
CPS EnergyCommercial solar rebate FAQsChecked September 28, 2026. Knowledge base cps-energy-002.
The governing body of a city-owned electric utility decides when or if that utility will offer customer choice.
Texas Legislative CouncilUtilities Code Chapter 40Checked September 28, 2026. Knowledge base statewide-muni-opt-001.
The 2024 EIA-861 sales file lists City of San Antonio - (TX) in Texas as municipal with balancing authority ERCO, Electric Reliability Council of Texas, Inc, service type bundled.
U.S. Energy Information AdministrationForm EIA-861 2024 final data filesChecked September 28, 2026. Knowledge base cps-energy-eia-sales-001.

The customer-count workbook behind the directory is Form EIA-861. Counts are not repeated on this page.

Solar and roofing conversations are on TexSun Solar.

TexSun Energy explains Texas electricity. A call about solar or a roof is requested on TexSun Solar.

TexSun Solar home Run by TexSun. This link goes to TexSun Solar's own sales site. Solar Run by TexSun. This link goes to TexSun Solar's own sales site. Roofing Run by TexSun. This link goes to TexSun Solar's own sales site. Request a 15 minute call Run by TexSun. This link goes to TexSun Solar's own sales site.