San Antonio, TX 78257 solar market data
Updated October 24, 2024Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
San Antonio 78257 has 96 solar installations at a median installed cost of $3.81/W, recent growth not yet measurable, and a Market Score of 39 — higher than 32% of U.S. zip markets.
Versus Texas
How 78257 compares with the state
Installed cost
$0.09/W below
state median $3.90/W
Market score
39 vs 42
Texas scores 42
Share of state installs
0.04%
of 224.8K tracked statewide
Battery attach
13.5%
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
78257 by year
4 installs in the trailing twelve months vs 21 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 78257
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | FREEDOM SOLAR POWER TX | 8 | 1 | 37.14 | $3.16 |
| 2 | ADVANCED SOLAR ELECTRIC | 7 | 0 | 13.99 | $3.35 |
| 3 | ION SOLAR | 5 | 0 | 8.09 | $4.00 |
| 4 | SOUTH TEXAS SOLAR SYSTEMS | 5 | 0 | 12.76 | $3.03 |
| 5 | TESLA | 5 | 0 | 116.18 | $2.07 |
| 6 | ADT SOLAR | 4 | 0 | 9.2 | $3.07 |
| 7 | IES RESIDENTIAL | 4 | 0 | 10.91 | $2.94 |
| 8 | SUNRUN | 4 | 0 | 13.01 | $3.97 |
| 9 | CAM SOLAR | 3 | 0 | 12.35 | $3.81 |
| 10 | PREMIER SOLAR SOLUTIONS | 3 | 0 | 11.19 | $4.00 |
| 11 | ROSS ELECTRIC | 3 | 0 | 15.98 | $5.05 |
| 12 | TITAN SOLAR | 3 | 0 | 14.06 | $4.00 |
Equipment
What gets installed in 78257
Share of systems with a recorded brand
Modules
LG ELECTRONICS13.7%
SUNPOWER11.6%
SILFAB SOLAR9.5%
MISSION SOLAR ENERGY8.4%
TRINA SOLAR6.3%
Inverters
ENPHASE ENERGY44.6%
SOLAREDGE30.4%
SMA AMERICA13.0%
SUNPOWER3.3%
TESLA3.3%
Frequently asked
Quick answers about 78257
How many solar installations are there in 78257?
SolarDNA counts 96 active solar installations in San Antonio 78257, 88 of them residential, with data through October 24, 2024.
How much does solar cost in 78257?
The median residential system in 78257 cost $3.81 per watt over the trailing twelve months, $0.09/W below the Texas median.
Is solar growing in 78257?
Recent growth cannot be measured yet for 78257: insufficient recent data (data runs through October 24, 2024).
Who installs solar in 78257?
FREEDOM SOLAR POWER TX, ADVANCED SOLAR ELECTRIC, ION SOLAR lead the 44 installers with systems in 78257. The full comp set is above.
Is 78257 a good market for solar sales?
78257 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets). With under 500 installations the score is provisional.