San Marcos, CA 92069 solar market data
Updated March 12, 2026 By The SolarDNA Data Team
San Marcos 92069 has 5,441 solar installations at a median installed cost of $4.23/W, installations up 8.5% over the trailing twelve months, and a Market Score of 51 — higher than 91% of U.S. zip markets.
Zip Market Score
Excellent · higher than 91% of zips
Versus California
How 92069 compares with the state
Installed cost
$0.04/W below
state median $4.26/W
Market score
51 vs 53
California scores 53
Share of state installs
0.24%
of 2.3M tracked statewide
Battery attach
5.8%
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: 215–263 installs (midpoint 239)
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
92069 by year
229 installs in the trailing twelve months vs 211 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92069
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 926 | 89 | 5.29 | $4.44 |
| 2 | BAKER ELECTRIC SOLAR | 439 | 0 | 7.79 | $4.25 |
| 3 | SUNPOWER | 422 | 9 | 4.19 | $4.23 |
| 4 | TESLA | 407 | 3 | 17.43 | $5.12 |
| 5 | SEMPER SOLARIS | 206 | 0 | 5.61 | $4.00 |
| 6 | HOME ENERGY SYSTEMS | 156 | 0 | 5.5 | $2.32 |
| 7 | CARLSON SOLAR ENERGY | 146 | 0 | 2.11 | $6.89 |
| 8 | STELLAR SOLAR | 92 | 1 | 6.82 | $3.98 |
| 9 | SUNSTREET ENERGY GROUP | 89 | 0 | 4.38 | $3.81 |
| 10 | BRIGHT PLANET SOLAR | 84 | 6 | 5.09 | $4.53 |
| 11 | SUNGEVITY | 77 | 0 | 5.38 | $3.91 |
| 12 | SUNLINE ENERGY | 72 | 3 | 5.8 | $3.70 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92078 San Marcos | 3.1 km | 6,520 | $4.13 | 61 |
| 92026 Escondido | 6.9 km | 7,122 | $4.10 | 53 |
| 92081 Vista | 6.9 km | 3,078 | $4.20 | 46 |
| 92029 Escondido | 8.1 km | 4,360 | $4.17 | 46 |
| 92084 Vista | 9.2 km | 5,347 | $4.20 | 52 |
| 92083 Vista | 9.4 km | 2,724 | $4.32 | 39 |
Same city
Other zips in San Marcos
Equipment
What gets installed in 92069
Share of systems with a recorded brand
Modules
SUNPOWER16.9%
QCELLS NORTH AMERICA16.6%
LG ELECTRONICS11.9%
LONGI GREEN ENERGY TECHNOLOGY5.1%
KYOCERA SOLAR4.6%
Inverters
SOLAREDGE31.6%
ENPHASE ENERGY31.3%
SUNPOWER10.4%
SMA AMERICA5.7%
ABB3.7%
Frequently asked
Quick answers about 92069
How many solar installations are there in 92069?
SolarDNA counts 5,441 active solar installations in San Marcos 92069, 5,345 of them residential, with data through March 12, 2026.
How much does solar cost in 92069?
The median residential system in 92069 cost $4.23 per watt over the trailing twelve months, $0.04/W below the California median.
Is solar growing in 92069?
Installations in 92069 are up 8.5%: 229 in the trailing twelve months versus 211 before.
Who installs solar in 92069?
SUNRUN, BAKER ELECTRIC SOLAR, SUNPOWER lead the 407 installers with systems in 92069. The full comp set is above.
Is 92069 a good market for solar sales?
92069 scores 51 out of 100 (Excellent, higher than 91% of U.S. zip markets).