Executive Summary & Citability Passage
EIA / NOAA / Municipal Survey 2026In 2026, living in Houston, TX incurs an average monthly utility expense of $370, compared to $310 per month in San Antonio, TX. This reflects a 19% higher overall household utility cost, saving homeowners approximately $60 monthly or $720 each calendar year. Residential power tariffs in Houston average $0.152 per kWh supplied by CenterPoint Energy (REP Choice), whereas San Antonio residents pay $0.129 per kWh through CPS Energy. Municipal water and sewer charges also diverge, with Houston averaging $32.00 in combined monthly meter baselines versus $25.90 in San Antonio. Climatologically, Houston registers 3380 Cooling Degree Days and 1320 Heating Degree Days, compared to 3100 CDD and 1520 HDD in San Antonio, creating distinctly different seasonal heating and cooling load patterns across winter and summer quarters. Overall, verified 2026 public tariff benchmarks confirm that San Antonio maintains more economical municipal utility infrastructure than Houston.