San Diego, CA 92108 solar market data
Updated May 18, 2026 By The SolarDNA Data Team
San Diego 92108 has 518 solar installations at a median installed cost of $4.27/W, installations up 52.4% over the trailing twelve months, and a Market Score of 53 — higher than 97% of U.S. zip markets.
Zip Market Score
Excellent · higher than 97% of zips
Versus California
How 92108 compares with the state
Installed cost
$0.00/W above
state median $4.26/W
Market score
53 vs 53
California scores 53
Share of state installs
0.02%
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: 94–126 installs (midpoint 110)
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
92108 by year
96 installs in the trailing twelve months vs 63 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92108
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNPOWER | 129 | 55 | 2.53 | $4.57 |
| 2 | SUNRUN | 62 | 33 | 3.58 | $3.07 |
| 3 | HOME ENERGY SYSTEMS | 48 | 0 | 73.67 | $3.09 |
| 4 | FOSHAY ELECTRIC | 32 | 0 | 13.91 | $3.78 |
| 5 | STELLAR SOLAR | 23 | 0 | 10.81 | $3.83 |
| 6 | BORREGO SOLAR | 22 | 0 | 29.1 | $5.06 |
| 7 | CLEAR SOLAR | 12 | 0 | 41.16 | $5.54 |
| 8 | BAKER ELECTRIC SOLAR | 11 | 0 | 104.24 | $4.11 |
| 9 | SEMPER SOLARIS | 11 | 0 | 4.67 | $4.04 |
| 10 | SOLARTECH ENERGY SYSTEMS | 11 | 0 | 4.13 | $3.90 |
| 11 | BRIGHT PLANET SOLAR | 8 | 2 | 5 | $4.61 |
| 12 | EXO ENERGY | 7 | 0 | 4.58 | $4.24 |
Equipment
What gets installed in 92108
Share of systems with a recorded brand
Modules
SUNPOWER21.3%
QCELLSNORTHAMERICA13.3%
QCELLS NORTH AMERICA12.3%
HANWHAQCELLS8.8%
SILFAB SOLAR6.7%
Inverters
SMA AMERICA19.6%
ENPHASEENERGYINC16.1%
ENPHASE ENERGY15.1%
SOLAREDGE15.1%
POWER-ONE12.0%
Frequently asked
Quick answers about 92108
How many solar installations are there in 92108?
SolarDNA counts 518 active solar installations in San Diego 92108, 437 of them residential, with data through May 18, 2026.
How much does solar cost in 92108?
The median residential system in 92108 cost $4.27 per watt over the trailing twelve months, $0.00/W above the California median.
Is solar growing in 92108?
Installations in 92108 are up 52.4%: 96 in the trailing twelve months versus 63 before.
Who installs solar in 92108?
SUNPOWER, SUNRUN, HOME ENERGY SYSTEMS lead the 89 installers with systems in 92108. The full comp set is above.
Is 92108 a good market for solar sales?
92108 scores 53 out of 100 (Excellent, higher than 97% of U.S. zip markets).