Is solar worth it in 78251 (San Antonio, TX)?

With an average payback period of 9.5 years and 25-year savings of $35,650, solar panels in San Antonio, Texas are a solid investment.

How much do solar panels cost in 78251?

The average cost of a 6kW residential solar system in San Antonio, Texas is $13,500 before incentives. The federal 30% Investment Tax Credit reduces this to about $9,450.

How much solar electricity does 78251 get?

San Antonio receives 5.69 kWh/m²/day of solar irradiance. A 6kW system in zip code 78251 produces approximately 9,969 kWh per year.

Solar Panel ROI in 78251

San Antonio, Texas — Is solar worth it here? Here's what the data says.

2.6x ROI Score

9.5 yrs Payback Period

$1,426/yr Annual Savings

$35,650 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,426

Payback 9.5 yrs

25-yr savings $35,650

Solar Calculator for 78251 (San Antonio)

Adjust values to see your personalized solar ROI estimate for San Antonio, Texas.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

5.69 kWh/m²/day

Based on NREL data for San Antonio, TX

ROI Score 2.6x

Annual Production 9,969 kWh

Annual Savings $1,426

Payback Period 9.5 years

25-Year Savings $35,650

After 30% ITC $9,450

Solar Data for 78251 – San Antonio, TX

Solar Irradiance 5.69 kWh/m²/day +14.7% vs national avg

vs Texas Avg +0.9% State avg: 5.38 kWh/m²/day

Electricity Rate $0.143/kWh Texas average rate

Annual Production 9,969 kWh 6kW system estimate

San Antonio gets 5.69 kWh/m²/day (14.7% above national avg) and electricity at $0.143/kWh. The 9.5-year payback represents a solid return — the federal 30% ITC further reduces costs.

Solar Incentives for San Antonio, Texas

★

Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $13,500 system, that's $4,050 back.

★

Net Metering

Most Texas utilities offer net metering — sell excess electricity back to the grid at retail rates, accelerating your payback.

★

Texas State Programs

Check with the Texas energy office for additional rebates, tax exemptions, and low-interest solar financing programs available in San Antonio.

78251 vs Texas Average

Solar Irradiance

78251: 5.69 TX avg: 5.38

Payback Period

78251: 9.5 yrs TX avg: 10.7 yrs

Annual Savings

78251: $1,426 TX avg: $1,265

25-Year Savings

78251: $35,650 TX avg: $31,625

See the full Texas solar guide for statewide data and incentives.

Nearby Zip Codes — Solar Comparison

78250 San Antonio, TX 2.6x ROI 9.5 yr payback 78201 San Antonio, TX 2.6x ROI 9.5 yr payback 78213 San Antonio, TX 2.6x ROI 9.5 yr payback 78745 Austin, TX 2.6x ROI 9.6 yr payback 78741 Austin, TX 2.6x ROI 9.6 yr payback