San Diego, CA 92103 solar market data
Updated April 22, 2026 By The SolarDNA Data Team
San Diego 92103 has 1,885 solar installations at a median installed cost of $4.14/W, installations up 35.5% over the trailing twelve months, and a Market Score of 57 — higher than 99% of U.S. zip markets.
Zip Market Score
Excellent · higher than 99% of zips
Versus California
How 92103 compares with the state
Installed cost
$0.13/W below
state median $4.26/W
Market score
57 vs 53
California scores 53
Share of state installs
0.08%
of 2.3M tracked statewide
Battery attach
7.5%
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: 100–136 installs (midpoint 118)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
92103 by year
103 installs in the trailing twelve months vs 76 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92103
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | BAKER ELECTRIC SOLAR | 129 | 0 | 9.6 | $4.38 |
| 2 | SULLIVAN SOLAR POWER | 125 | 0 | 7.27 | $4.54 |
| 3 | SUNRUN | 112 | 8 | 5.33 | $4.63 |
| 4 | STELLAR SOLAR | 106 | 9 | 7.33 | $4.24 |
| 5 | SEMPER SOLARIS | 102 | 0 | 5.7 | $4.07 |
| 6 | TESLA | 94 | 0 | 6.04 | $5.12 |
| 7 | SUNLINE ENERGY | 77 | 4 | 6.3 | $4.18 |
| 8 | HOME ENERGY SYSTEMS | 52 | 0 | 8.98 | $3.69 |
| 9 | SOLARTECH ENERGY SYSTEMS | 31 | 0 | 6.43 | $3.88 |
| 10 | MISSION SOLAR ELECTRIC | 29 | 2 | 5.62 | $3.06 |
| 11 | SUNPOWER | 26 | 0 | 5.7 | $4.78 |
| 12 | SAN DIEGO SOLAR | 23 | 1 | 6.11 | $3.16 |
Equipment
What gets installed in 92103
Share of systems with a recorded brand
Modules
LG ELECTRONICS19.5%
QCELLS NORTH AMERICA15.6%
SUNPOWER12.8%
SANYO ELECTRIC OF PANASONIC GROUP6.0%
KYOCERA SOLAR3.8%
Inverters
ENPHASE ENERGY38.1%
SOLAREDGE26.4%
SMA AMERICA9.0%
SUNPOWER8.2%
TESLAINC3.2%
Frequently asked
Quick answers about 92103
How many solar installations are there in 92103?
SolarDNA counts 1,885 active solar installations in San Diego 92103, 1,815 of them residential, with data through April 22, 2026.
How much does solar cost in 92103?
The median residential system in 92103 cost $4.14 per watt over the trailing twelve months, $0.13/W below the California median.
Is solar growing in 92103?
Installations in 92103 are up 35.5%: 103 in the trailing twelve months versus 76 before.
Who installs solar in 92103?
BAKER ELECTRIC SOLAR, SULLIVAN SOLAR POWER, SUNRUN lead the 292 installers with systems in 92103. The full comp set is above.
Is 92103 a good market for solar sales?
92103 scores 57 out of 100 (Excellent, higher than 99% of U.S. zip markets).