San Antonio, TX 78237 solar market data
Updated December 16, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
San Antonio 78237 has 272 solar installations at a median installed cost of $4.00/W, recent growth not yet measurable, and a Market Score of 39 — higher than 32% of U.S. zip markets.
Versus Texas
How 78237 compares with the state
Installed cost
$0.10/W above
state median $3.90/W
Market score
39 vs 42
Texas scores 42
Share of state installs
0.12%
of 224.8K tracked statewide
Battery attach
1.5%
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
78237 by year
19 installs in the trailing twelve months vs 38 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 78237
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SOLAR ELECTRIC TEXAS | 29 | 2 | 7.69 | $4.00 |
| 2 | GREENSTAR POWER | 25 | 0 | 7.06 | $4.00 |
| 3 | ERUS ENERGY | 24 | 0 | 7.2 | $3.99 |
| 4 | PE SOLAR POWER EXPERTS | 14 | 0 | 6.67 | $4.00 |
| 5 | FREEDOM FOREVER | 11 | 0 | 11.41 | $3.98 |
| 6 | GREEN LIGHT SOLAR TX | 11 | 0 | 7.1 | $4.00 |
| 7 | POWUR | 10 | 1 | 9.16 | $4.45 |
| 8 | TITAN SOLAR | 10 | 0 | 7.91 | $4.00 |
| 9 | TEXAS SOLAR INTEGRATED | 9 | 1 | 10.54 | $3.73 |
| 10 | SOUTH TEXAS SOLAR SYSTEMS | 9 | 0 | 17.06 | $3.16 |
| 11 | ALTERNATIVE SOLAR | 8 | 1 | 9.11 | $4.00 |
| 12 | TRISMART SOLAR | 7 | 0 | 9.73 | $3.69 |
Equipment
What gets installed in 78237
Share of systems with a recorded brand
Modules
MISSION SOLAR ENERGY34.2%
QCELLS NORTH AMERICA9.2%
APTOS SOLAR TECHNOLOGY8.1%
AXITEC6.5%
SILFAB SOLAR5.8%
Inverters
SOLAREDGE50.4%
ENPHASE ENERGY45.4%
ALTENERGY POWER SYSTEM1.1%
DELTA ELECTRONICS0.8%
SMA AMERICA0.8%
Frequently asked
Quick answers about 78237
How many solar installations are there in 78237?
SolarDNA counts 272 active solar installations in San Antonio 78237, 270 of them residential, with data through December 16, 2024.
How much does solar cost in 78237?
The median residential system in 78237 cost $4.00 per watt over the trailing twelve months, $0.10/W above the Texas median.
Is solar growing in 78237?
Recent growth cannot be measured yet for 78237: insufficient recent data (data runs through December 16, 2024).
Who installs solar in 78237?
SOLAR ELECTRIC TEXAS, GREENSTAR POWER, ERUS ENERGY lead the 63 installers with systems in 78237. The full comp set is above.
Is 78237 a good market for solar sales?
78237 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets). With under 500 installations the score is provisional.