San Diego, CA 92102 solar market data
Updated April 29, 2026 By The SolarDNA Data Team
San Diego 92102 has 1,882 solar installations at a median installed cost of $4.61/W, installations down 23.4% over the trailing twelve months, and a Market Score of 40 — higher than 35% of U.S. zip markets.
Versus California
How 92102 compares with the state
Installed cost
$0.34/W above
state median $4.26/W
Market score
40 vs 53
California scores 53
Share of state installs
0.08%
of 2.3M tracked statewide
Battery attach
7.4%
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: 84–106 installs (midpoint 95)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±12% band. Not a forecast of permits or policy.
Growth & pricing
92102 by year
108 installs in the trailing twelve months vs 141 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92102
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 330 | 23 | 4.57 | $4.97 |
| 2 | TESLA | 128 | 1 | 5.26 | $5.12 |
| 3 | BRIGHT PLANET SOLAR | 100 | 10 | 4.38 | $4.76 |
| 4 | INFINITY ENERGY | 72 | 0 | 4.86 | $5.38 |
| 5 | BVI SOLAR | 53 | 0 | 3.01 | $3.47 |
| 6 | BAKER ELECTRIC SOLAR | 49 | 0 | 37.6 | $4.18 |
| 7 | SEMPER SOLARIS | 48 | 0 | 4.97 | $4.23 |
| 8 | FREEDOM SOLAR POWER TX | 44 | 0 | 4.92 | $4.39 |
| 9 | SULLIVAN SOLAR POWER | 30 | 0 | 6.52 | $4.16 |
| 10 | HOME ENERGY SYSTEMS | 28 | 0 | 13.8 | $4.46 |
| 11 | STELLAR SOLAR | 26 | 3 | 6.99 | $4.57 |
| 12 | SUNLINE ENERGY | 26 | 2 | 4.63 | $4.41 |
Equipment
What gets installed in 92102
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA19.8%
LONGI GREEN ENERGY TECHNOLOGY9.8%
LG ELECTRONICS8.2%
SUNPOWER5.8%
CSI SOLAR5.4%
Inverters
SOLAREDGE35.2%
ENPHASE ENERGY35.0%
SMA AMERICA4.7%
ABB3.7%
SUNPOWER3.6%
Frequently asked
Quick answers about 92102
How many solar installations are there in 92102?
SolarDNA counts 1,882 active solar installations in San Diego 92102, 1,829 of them residential, with data through April 29, 2026.
How much does solar cost in 92102?
The median residential system in 92102 cost $4.61 per watt over the trailing twelve months, $0.34/W above the California median.
Is solar growing in 92102?
Installations in 92102 are down 23.4%: 108 in the trailing twelve months versus 141 before.
Who installs solar in 92102?
SUNRUN, TESLA, BRIGHT PLANET SOLAR lead the 281 installers with systems in 92102. The full comp set is above.
Is 92102 a good market for solar sales?
92102 scores 40 out of 100 (Good, higher than 35% of U.S. zip markets).