San Jose, CA 95128 solar market data
Updated April 8, 2026 By The SolarDNA Data Team
San Jose 95128 has 1,445 solar installations at a median installed cost of $4.42/W, installations up 14.0% over the trailing twelve months, and a Market Score of 48 — higher than 82% of U.S. zip markets.
Versus California
How 95128 compares with the state
Installed cost
$0.16/W above
state median $4.26/W
Market score
48 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
11.7%
state 12.7%
Statewide momentum
▲ 1.1%
residential solar added in California, 12 months through Jul 2026
Statewide market
2.3M systems
30.9% of homes · utility-reported through Jul 2026
Next-12-month outlook: 110–134 installs (midpoint 122)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
95128 by year
114 installs in the trailing twelve months vs 100 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95128
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 271 | 10 | 6.3 | $5.12 |
| 2 | SUNRUN | 203 | 27 | 6.21 | $4.26 |
| 3 | SUNPOWER | 79 | 0 | 11.74 | $4.78 |
| 4 | INFINITY ENERGY | 52 | 0 | 3.84 | $3.79 |
| 5 | CLEAN SOLAR | 45 | 3 | 6.53 | $4.28 |
| 6 | PETERSENDEAN | 36 | 0 | 4.11 | $4.53 |
| 7 | SEMPER SOLARIS | 33 | 3 | 5.12 | $4.16 |
| 8 | INFINIUM SOLAR | 24 | 8 | 6.52 | $4.73 |
| 9 | FREEDOM FOREVER | 21 | 2 | 6.11 | $5.26 |
| 10 | SOLAR TECHNOLOGIES | 19 | 3 | 77.65 | $4.67 |
| 11 | CINNAMON SOLAR | 19 | 0 | 7.32 | $4.59 |
| 12 | COBALT POWER SYSTEMS | 19 | 0 | 7.14 | $5.57 |
Equipment
What gets installed in 95128
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA15.6%
SUNPOWER11.4%
LG ELECTRONICS7.9%
REC GROUP5.6%
REC SOLAR5.4%
Inverters
ENPHASE ENERGY33.7%
SOLAREDGE26.9%
TESLA8.4%
SUNPOWER8.2%
SMA AMERICA5.1%
Frequently asked
Quick answers about 95128
How many solar installations are there in 95128?
SolarDNA counts 1,445 active solar installations in San Jose 95128, 1,415 of them residential, with data through April 8, 2026.
How much does solar cost in 95128?
The median residential system in 95128 cost $4.42 per watt over the trailing twelve months, $0.16/W above the California median.
Is solar growing in 95128?
Installations in 95128 are up 14.0%: 114 in the trailing twelve months versus 100 before.
Who installs solar in 95128?
TESLA, SUNRUN, SUNPOWER lead the 228 installers with systems in 95128. The full comp set is above.
Is 95128 a good market for solar sales?
95128 scores 48 out of 100 (Great, higher than 82% of U.S. zip markets).