☀️ Solar panels in San Antonio, TX: cost & savings (2026)
Cost after tax credit: $16,800 · Payback: 10 years · Est. savings: $1,688/year.
With about 1,495,295 residents, San Antonio is a major metro and the #2 largest city in Texas. Homes here pay Texas's residential rate of 15¢/kWh (about $150/month), so a typical 8 kW solar system — roughly $16,800 after the 30% federal tax credit — saves close to $1,688/year and pays back in about 10 years. That makes solar usually worth it in San Antonio. Below, compare nearby Texas cities and get real quotes.
Is solar worth it in San Antonio?
Solar pays off fastest where power is expensive and the sun is strong. In San Antonio, electricity runs about 15¢/kWh and South sunlight gives a production factor of 1.10×. A standard system offsetting most of a $150/month bill returns roughly $1,688/year and pays for itself in about 10 years.
Your real result depends on roof, shading, exact usage and installer pricing. Always compare a couple of real San Antonio quotes before signing.
San Antonio solar FAQ
How much do solar panels cost in San Antonio, TX?
A typical 8 kW home system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit in San Antonio. Local utility or Texas incentives can lower it further.
Is solar worth it in San Antonio?
In San Antonio it's usually worth it: with Texas electricity at 15¢/kWh and South sunlight, a system saves roughly $1,688/year and pays for itself in about 10 years, then produces largely free power for the rest of its 25+ year life.
How much can I save with solar in San Antonio?
About $1,688 per year and roughly $25,400 over 25 years after the system pays for itself. Exact savings depend on your roof, shading and usage.
How do I get cheap solar in San Antonio?
Get at least three quotes from installers active in San Antonio, claim the 30% federal tax credit, stack any Texas or utility rebates, and avoid oversizing the system beyond your $150/month usage.