Solar in San Antonio, TX
With CPS Energy's electricity at about 12.8¢ per kWh and 1,503 kWh of sun per kW, solar is worth it for a typical San Antonio home today: about a 13.3-year payback.
- Payback, typical home
- 13.3 yrsTexas: 14 yrs
- 25-year net
- $23,394after paying $19,670
- Sun
- 1,503kWh per kW per year
- Electricity
- 12.8¢29% below U.S. average
A typical San Antonio home, by the numbers
| Utility | CPS Energy |
|---|---|
| Electricity use | 1,075 kWh a month |
| Best-value system | 7.7 kW, about 18 panels, 11,577 kWh a year (90% of use) |
| Cost | $19,670 |
| First-year savings | $1,460 |
| Payback | 13.3 years |
| Exported power | Avoided-cost export credit (CPS Energy) |
Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.
Homes in San Antonio
- Owner-occupied homes
- 52%
- Single-family detached
- 59%
- Median home value
- $236k
- Median year built
- 1985
- Population
- 1,479,835
- Solar installs, last 3 years*
- 11,134
- Roofs suitable for solar†
- 95%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 402,710 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in San Antonio
Companies with the most installations in San Antonio's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Greenstar Power 1,395 installs
- Freedom Forever 1,136 installs
- Trismart Solar 1,024 installs
- Freedom Solar Power Tx 1,006 installs
- Pe Solar Power Experts 942 installs
- Solar Edge Pros 805 installs
- ION Solar 541 installs
- Power Home Remodeling Group 366 installs
- ADT Solar (SunPro) 301 installs
- Solar Electric Texas 262 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in San Antonio
Is solar worth it in San Antonio, TX?
For a typical home in San Antonio, solar is worth it at 2026 prices: a 7.7 kW system costs about $19,670 after state incentives, saves about $1,460 in year one and pays back in about 13.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in San Antonio?
About 1,503 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Texas average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in San Antonio?
Most homes in San Antonio are served by CPS Energy, at about 12.8¢ per kWh on average. Some areas are served by Bandera Electric Cooperative, Guadalupe Valley Electric Cooperative, Karnes Electric Cooperative.
How much do solar panels cost in San Antonio?
A fair cash price is around $2.60 per watt before incentives, so about $19,670 for a 7.7 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Converse 13.4 yrs
- Timberwood Park 13.5 yrs
- Schertz 17.4 yrs
- Cibolo 17.4 yrs
- New Braunfels 16.4 yrs
- Canyon Lake 16.7 yrs
- Seguin 19.3 yrs
- San Marcos 17.4 yrs
- All of Texas
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.