San Antonio Electricity Rates 2026
San Antonio is served by CPS Energy, a city-owned utility that has not opted in to Texas retail choice, so CPS Energy customers cannot choose another electricity provider.
CPS Energy, owned by the City of San Antonio, serves the city. ERCOT lists San Antonio among the areas whose utilities have not opted in to retail competition, so CPS Energy customers cannot choose another electricity provider.
NOAA's 1991–2020 normals for San Antonio International Airport put average daily highs at 92.4°F in June, 94.9°F in July, 96.0°F in August and 90.1°F in September. The station averages about 3,148 cooling degree days a year against 1,438 heating degree days, so air conditioning drives most household use.
FAQ — Why can't I choose my electricity provider in San Antonio? San Antonio is served by CPS Energy, a city-owned utility. City-owned utilities and electric co-ops in Texas can stay out of retail competition, and ERCOT lists San Antonio among the areas that have not opted in.
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Learning Center
- What is ERCOT?
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