San Antonio, TX 78242 solar market data
Updated December 6, 2023Older data · growth withheld By The SolarDNA Data Team
San Antonio 78242 has 568 solar installations at a median installed cost of $4.00/W, recent growth not yet measurable, and a Market Score of 41 — higher than 37% of U.S. zip markets.
Versus Texas
How 78242 compares with the state
Installed cost
$0.10/W above
state median $3.90/W
Market score
41 vs 42
Texas scores 42
Share of state installs
0.25%
of 224.8K tracked statewide
Battery attach
1.6%
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
78242 by year
115 installs in the trailing twelve months vs 109 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 78242
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | GREENSTAR POWER | 79 | 9 | 8.08 | $4.00 |
| 2 | TRISMART SOLAR | 58 | 8 | 8.74 | $4.00 |
| 3 | SOLAR ELECTRIC TEXAS | 38 | 2 | 7.82 | $3.98 |
| 4 | ERUS ENERGY | 23 | 0 | 8.05 | $4.00 |
| 5 | ION SOLAR | 23 | 0 | 6.84 | $4.00 |
| 6 | PE SOLAR POWER EXPERTS | 23 | 0 | 8.88 | $4.00 |
| 7 | NERD POWER AZ | 22 | 0 | 6.1 | $4.48 |
| 8 | FREEDOM FOREVER | 19 | 2 | 8.7 | $3.98 |
| 9 | TITAN SOLAR | 18 | 1 | 8.76 | $4.00 |
| 10 | MOMENTUM SOLAR | 18 | 0 | 7.71 | $3.18 |
| 11 | GREEN LIGHT SOLAR TX | 17 | 2 | 7.01 | $3.98 |
| 12 | CAM SOLAR | 17 | 0 | 6.43 | $3.18 |
Equipment
What gets installed in 78242
Share of systems with a recorded brand
Modules
MISSION SOLAR ENERGY33.1%
QCELLS NORTH AMERICA11.5%
SILFAB SOLAR9.5%
REC GROUP6.5%
LG ELECTRONICS5.8%
Inverters
SOLAREDGE50.1%
ENPHASE ENERGY46.3%
SUNPOWER1.3%
SMA AMERICA0.7%
ALTENERGY POWER SYSTEM0.5%
Frequently asked
Quick answers about 78242
How many solar installations are there in 78242?
SolarDNA counts 568 active solar installations in San Antonio 78242, 566 of them residential, with data through December 6, 2023.
How much does solar cost in 78242?
The median residential system in 78242 cost $4.00 per watt over the trailing twelve months, $0.10/W above the Texas median.
Is solar growing in 78242?
Recent growth cannot be measured yet for 78242: insufficient recent data (data runs through December 6, 2023).
Who installs solar in 78242?
GREENSTAR POWER, TRISMART SOLAR, SOLAR ELECTRIC TEXAS lead the 68 installers with systems in 78242. The full comp set is above.
Is 78242 a good market for solar sales?
78242 scores 41 out of 100 (Good, higher than 37% of U.S. zip markets).