San Antonio, TX 78220 solar market data
Updated December 4, 2023Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
San Antonio 78220 has 304 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 78220 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
0.14%
of 224.8K tracked statewide
Battery attach
1.3%
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
78220 by year
70 installs in the trailing twelve months vs 60 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 78220
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | GREENSTAR POWER | 50 | 0 | 7.28 | $4.00 |
| 2 | TEXAS SOLAR INTEGRATED | 20 | 0 | 9.05 | $3.91 |
| 3 | FREEDOM SOLAR POWER TX | 19 | 1 | 12.62 | $3.62 |
| 4 | TRISMART SOLAR | 18 | 5 | 8.16 | $4.01 |
| 5 | FREEDOM FOREVER | 14 | 0 | 8.3 | $3.86 |
| 6 | ION SOLAR | 14 | 0 | 6.06 | $4.00 |
| 7 | SOLAR ELECTRIC TEXAS | 13 | 0 | 6.88 | $4.00 |
| 8 | GREEN LIGHT SOLAR TX | 10 | 1 | 9 | $4.00 |
| 9 | POWUR | 9 | 1 | 8.58 | $3.99 |
| 10 | SUNRUN | 9 | 0 | 9.53 | $4.38 |
| 11 | ADT SOLAR | 8 | 0 | 9.48 | $4.10 |
| 12 | ALTERNATIVE SOLAR | 8 | 0 | 10.02 | $3.99 |
Equipment
What gets installed in 78220
Share of systems with a recorded brand
Modules
MISSION SOLAR ENERGY34.4%
QCELLS NORTH AMERICA13.4%
SILFAB SOLAR7.0%
APTOS SOLAR TECHNOLOGY6.7%
LG ELECTRONICS4.7%
Inverters
SOLAREDGE49.2%
ENPHASE ENERGY44.1%
SUNPOWER3.0%
SMA AMERICA1.4%
ALTENERGY POWER SYSTEM1.0%
Frequently asked
Quick answers about 78220
How many solar installations are there in 78220?
SolarDNA counts 304 active solar installations in San Antonio 78220, 293 of them residential, with data through December 4, 2023.
How much does solar cost in 78220?
The median residential system in 78220 cost $4.00 per watt over the trailing twelve months, $0.10/W above the Texas median.
Is solar growing in 78220?
Recent growth cannot be measured yet for 78220: insufficient recent data (data runs through December 4, 2023).
Who installs solar in 78220?
GREENSTAR POWER, TEXAS SOLAR INTEGRATED, FREEDOM SOLAR POWER TX lead the 59 installers with systems in 78220. The full comp set is above.
Is 78220 a good market for solar sales?
78220 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets). With under 500 installations the score is provisional.