San Antonio, TX 78231 solar market data
Updated December 16, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
San Antonio 78231 has 121 solar installations at a median installed cost of $3.93/W, recent growth not yet measurable, and a Market Score of 39 — higher than 30% of U.S. zip markets.
Versus Texas
How 78231 compares with the state
Installed cost
$0.03/W above
state median $3.90/W
Market score
39 vs 42
Texas scores 42
Share of state installs
0.05%
of 224.8K tracked statewide
Battery attach
9.1%
state 1.0%
Statewide momentum
▼ 23.4%
residential solar added in Texas, 12 months through Jul 2026
Statewide market
231.6K systems
3.4% of homes · utility-reported through Jul 2026
Growth & pricing
78231 by year
7 installs in the trailing twelve months vs 20 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 78231
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | FREEDOM SOLAR POWER TX | 15 | 1 | 10.92 | $4.46 |
| 2 | ADVANCED SOLAR ELECTRIC | 8 | 0 | 10.47 | $3.49 |
| 3 | CAM SOLAR | 7 | 0 | 8.39 | $3.20 |
| 4 | ADT SOLAR | 6 | 0 | 11.27 | $3.73 |
| 5 | PE SOLAR POWER EXPERTS | 5 | 2 | 7.1 | $4.52 |
| 6 | SOUTH TEXAS SOLAR SYSTEMS | 5 | 1 | 11.35 | $3.10 |
| 7 | ECOLECTRICS | 4 | 0 | 10.29 | $4.00 |
| 8 | FREEDOM FOREVER | 4 | 0 | 8.2 | $4.08 |
| 9 | SOLAR ELECTRIC TEXAS | 4 | 0 | 7.94 | $3.98 |
| 10 | WELLS SOLAR | 4 | 0 | 7.76 | $5.67 |
| 11 | SUNRUN | 3 | 1 | 7.55 | $4.08 |
| 12 | CIRCULAR ENERGY | 3 | 0 | 10.67 | $3.79 |
Equipment
What gets installed in 78231
Share of systems with a recorded brand
Modules
MISSION SOLAR ENERGY15.3%
AU OPTRONICS7.6%
SUNPOWER7.6%
QCELLS NORTH AMERICA6.8%
HYUNDAI ENERGY SOLUTIONS5.1%
Inverters
SOLAREDGE38.8%
ENPHASE ENERGY31.0%
SMA AMERICA7.8%
SUNPOWER6.0%
KACO5.2%
Frequently asked
Quick answers about 78231
How many solar installations are there in 78231?
SolarDNA counts 121 active solar installations in San Antonio 78231, 116 of them residential, with data through December 16, 2024.
How much does solar cost in 78231?
The median residential system in 78231 cost $3.93 per watt over the trailing twelve months, $0.03/W above the Texas median.
Is solar growing in 78231?
Recent growth cannot be measured yet for 78231: insufficient recent data (data runs through December 16, 2024).
Who installs solar in 78231?
FREEDOM SOLAR POWER TX, ADVANCED SOLAR ELECTRIC, CAM SOLAR lead the 52 installers with systems in 78231. The full comp set is above.
Is 78231 a good market for solar sales?
78231 scores 39 out of 100 (Fair, higher than 30% of U.S. zip markets). With under 500 installations the score is provisional.