Is it cheaper to live in San Antonio or Austin for monthly utilities?

San Antonio, TX is approximately 7% cheaper than Austin, TX in average monthly utilities ($310/mo vs $335/mo), saving approximately $25 per month or $300 annually.

How do residential electric rates compare between San Antonio and Austin?

Residential electricity in San Antonio is $0.129 per kWh served by CPS Energy, compared to $0.138 per kWh in Austin served by Austin Energy.

What is the average water and sewer bill in San Antonio compared to Austin?

In San Antonio, the minimum water and sewer base meter charge is $25.90/month with Tier 1 volumetric water priced at $2.95 per 1,000 gallons. In Austin, baseline fixed meter fees are $27.60/month with Tier 1 water at $3.45 per 1,000 gallons.

How do weather and climate affect seasonal utility bills in San Antonio vs Austin?

San Antonio experiences 3100 Cooling Degree Days (CDD) with a peak summer AC cost spike of 52%, whereas Austin records 3150 CDD with a summer spike of 62%. Heating Degree Days (HDD) are 1520 in San Antonio versus 1480 in Austin.

San Antonio, TX vs Austin, TX Utility Costs Comparison (2026)

Interactive Simulation

Household Sizing Simulator

Select your home type to adjust estimated monthly consumption for San Antonio and Austin.

San Antonio Est.

$310/mo

Power:$127

Water & Sewer:$71

Gas & Trash:$89

Projected Variance

-$25/mo

San Antonio saves your household roughly $300 per year at this consumption tier.

Austin Est.

$335/mo

Power:$136

Water & Sewer:$79

Gas & Trash:$100

Head-to-Head Utility Tariff Breakdown

Direct comparison of published rates, electric tariffs, and municipal meter charges.

EIA-861 Calibrated

Utility Component	San Antonio, TX	Austin, TX
⚡ Residential Electric Rate ($/kWh)	$0.129 / kWh	$0.138 / kWh
Electric Monthly Customer Base Fee	$10.50/mo	$12.00/mo
Electric Provider & Market Structure	CPS Energy Regulated Monopoly Utility	Austin Energy Regulated Monopoly Utility
♨️ Natural Gas Rate ($/Therm)	$1.08 / Therm	$1.15 / Therm
Natural Gas Fixed Customer Charge	$14.00/mo	$16.50/mo
💧 Water Base Meter Charge (5/8" - 3/4")	$14.10/mo	$15.40/mo
Water Tier 1 Volumetric (per 1,000 gal)	$2.95	$3.45
Water Tier 2 Conservation (per 1,000 gal)	$4.80	$5.60
Wastewater / Sewer Rates	Base: $11.80/mo Volumetric: $4.60/1k gal	Base: $12.20/mo Volumetric: $5.10/1k gal
🗑️ Curbside Solid Waste & Recycling	$26.50/mo	$31.85/mo
Stormwater Drainage Clean Water Fee	$6.50/mo	$8.40/mo
Initial Move-in Deposit / Connection Fee	Deposit: $120 – $200 Turn-on: $18.00	Deposit: $150 – $250 (Waived with Letter of Credit) Turn-on: $20.00

Climate & Seasonal HVAC Load Drivers

NOAA degree-day data dictating peak air conditioning and heating power spikes.

NOAA 1991–2020 Normals

Climate Indicator	San Antonio, TX	Austin, TX
☀️ Cooling Degree Days (CDD)	3,100 CDD	3,150 CDD
❄️ Heating Degree Days (HDD)	1,520 HDD	1,480 HDD
Peak Summer AC Bill Volatility	+52% Summer Spike	+62% Summer Spike
Regional Climate Summary	Semi-arid to humid transitional climate; Edwards Aquifer conservation stages impact water tier surcharges.	Humid subtropical climate with prolonged hot summers where peak HVAC air conditioning accounts for over 52% of residential electric consumption.

Clean Energy & Solar Economics

Rooftop solar irradiance and net metering rules to mitigate high utility bills.

NREL Solar Data

Solar Component	San Antonio, TX	Austin, TX
☀️ Daily Peak Sun Hours	5.1 hrs/day	5.2 hrs/day
Net Metering / Export Compensation	CPS Energy Net Billing with residential cash rebates of $2,500-$3,000 for verified local installations.	Austin Energy Value of Solar (VoS) Tariff credited at 9.91¢/kWh with local rebate incentives up to $2,500.
City Solar Calculator	San Antonio Solar Estimator →	Austin Solar Estimator →

🏙️ San Antonio Official Estimator

San Antonio, TX Utility Calculator

Access the interactive multi-utility calculator, municipal moving checklists, and verified billing schedules for San Antonio.

ZIP: san-antonio Open San Antonio Hub →

🏙️ Austin Official Estimator

Austin, TX Utility Calculator

Access the interactive multi-utility calculator, municipal moving checklists, and verified billing schedules for Austin.

ZIP: austin Open Austin Hub →

Common Inquiries

Frequently Asked Questions: San Antonio vs Austin

Direct answers to key cost of living and utility comparison questions.

Is it cheaper to live in San Antonio or Austin for utilities? ▼

San Antonio, TX is approximately 7% cheaper than Austin, TX in overall monthly utility bills ($310/mo vs $335/mo). A typical household saves around $25 per month or $300 annually.

How do residential electric rates compare per kilowatt-hour? ▼

Residential electricity in San Antonio costs $0.129 per kWh supplied by CPS Energy, compared to $0.138 per kWh in Austin served by Austin Energy. For a home consuming 1,000 kWh per month, this rate difference accounts for $9.00 in monthly energy charges before fixed customer meter charges.

What is the water and sewer rate difference between San Antonio and Austin? ▼

In San Antonio, the minimum fixed water meter charge is $14.10/mo plus $11.80/mo sewer baseline. In Austin, the base water fee is $15.40/mo with $12.20/mo sewer baseline. Volumetric Tier 1 water is $2.95/1k gal in San Antonio versus $3.45/1k gal in Austin.

How does weather and climate impact summer and winter power bills? ▼

San Antonio logs 3,100 Cooling Degree Days with a 52% summer AC bill surge. Conversely, Austin records 3,150 CDD with a 62% summer surge. Heating Degree Days measure 1,520 in San Antonio versus 1,480 in Austin.

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San Antonio, TX vs Austin, TX

San Antonio

Austin

Executive Summary & Citability Passage