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

San Antonio, TX is approximately 8% 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 Austin and San Antonio?

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

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

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

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

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

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

Interactive Simulation

Household Sizing Simulator

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

Austin Est.

$335/mo

Power:$136

Water & Sewer:$79

Gas & Trash:$100

Projected Variance

+$25/mo

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

San Antonio Est.

$310/mo

Power:$127

Water & Sewer:$71

Gas & Trash:$89

Head-to-Head Utility Tariff Breakdown

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

EIA-861 Calibrated

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

Climate & Seasonal HVAC Load Drivers

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

NOAA 1991–2020 Normals

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

Clean Energy & Solar Economics

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

NREL Solar Data

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

🏙️ 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 →

🏙️ 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 →

Common Inquiries

Frequently Asked Questions: Austin vs San Antonio

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

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

San Antonio, TX is approximately 8% 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 Austin costs $0.138 per kWh supplied by Austin Energy, compared to $0.129 per kWh in San Antonio served by CPS 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 Austin and San Antonio? ▼

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

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

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

Related Metro Comparisons

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Austin vs Houston, TX $335 vs $370 → Austin vs New York City, NY $335 vs $440 → Austin vs Los Angeles, CA $335 vs $395 → Austin vs Chicago, IL $335 vs $365 →

📍 Popular Comparisons for San Antonio

San Antonio vs Houston, TX $310 vs $370 → San Antonio vs Dallas, TX $310 vs $355 → San Antonio vs New York City, NY $310 vs $440 → San Antonio vs Los Angeles, CA $310 vs $395 →

Austin, TX vs San Antonio, TX

Austin

San Antonio

Executive Summary & Citability Passage