San Diego, CA 92104 solar market data
Updated April 14, 2026 By The SolarDNA Data Team
San Diego 92104 has 2,435 solar installations at a median installed cost of $4.30/W, installations up 4.7% over the trailing twelve months, and a Market Score of 49 — higher than 86% of U.S. zip markets.
Versus California
How 92104 compares with the state
Installed cost
$0.03/W above
state median $4.26/W
Market score
49 vs 53
California scores 53
Share of state installs
0.11%
of 2.3M tracked statewide
Battery attach
6.8%
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: 122–150 installs (midpoint 136)
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
92104 by year
133 installs in the trailing twelve months vs 127 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92104
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 236 | 14 | 4.5 | $4.64 |
| 2 | TESLA | 178 | 0 | 5.19 | $5.12 |
| 3 | BAKER ELECTRIC SOLAR | 136 | 0 | 5.55 | $4.15 |
| 4 | SUNLINE ENERGY | 106 | 7 | 5.24 | $4.02 |
| 5 | SULLIVAN SOLAR POWER | 103 | 0 | 5.39 | $4.22 |
| 6 | SEMPER SOLARIS | 98 | 0 | 4.63 | $4.15 |
| 7 | STELLAR SOLAR | 91 | 2 | 5.32 | $4.26 |
| 8 | INFINITY ENERGY | 55 | 0 | 4.87 | $5.52 |
| 9 | SUNPOWER | 39 | 0 | 5.58 | $5.54 |
| 10 | HOME ENERGY SYSTEMS | 38 | 0 | 8.59 | $3.68 |
| 11 | SOLARTECH ENERGY SYSTEMS | 36 | 0 | 5.72 | $3.82 |
| 12 | SATTLER ENGINEERING | 35 | 1 | 4.81 | $3.75 |
Equipment
What gets installed in 92104
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA17.5%
LG ELECTRONICS14.0%
SUNPOWER9.4%
REC GROUP4.7%
SANYO ELECTRIC OF PANASONIC GROUP4.4%
Inverters
ENPHASE ENERGY41.3%
SOLAREDGE26.5%
SUNPOWER6.3%
SMA AMERICA6.1%
ABB3.1%
Frequently asked
Quick answers about 92104
How many solar installations are there in 92104?
SolarDNA counts 2,435 active solar installations in San Diego 92104, 2,391 of them residential, with data through April 14, 2026.
How much does solar cost in 92104?
The median residential system in 92104 cost $4.30 per watt over the trailing twelve months, $0.03/W above the California median.
Is solar growing in 92104?
Installations in 92104 are up 4.7%: 133 in the trailing twelve months versus 127 before.
Who installs solar in 92104?
SUNRUN, TESLA, BAKER ELECTRIC SOLAR lead the 324 installers with systems in 92104. The full comp set is above.
Is 92104 a good market for solar sales?
92104 scores 49 out of 100 (Great, higher than 86% of U.S. zip markets).