Chula Vista, CA 91910 solar market data
Updated April 16, 2026 By The SolarDNA Data Team
Chula Vista 91910 has 5,260 solar installations at a median installed cost of $4.45/W, installations up 19.9% over the trailing twelve months, and a Market Score of 52 — higher than 95% of U.S. zip markets.
Zip Market Score
Excellent · higher than 95% of zips
Versus California
How 91910 compares with the state
Installed cost
$0.19/W above
state median $4.26/W
Market score
52 vs 53
California scores 53
Share of state installs
0.23%
of 2.3M tracked statewide
Battery attach
7.1%
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: 275–336 installs (midpoint 305)
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
91910 by year
277 installs in the trailing twelve months vs 231 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91910
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,214 | 130 | 4.96 | $4.58 |
| 2 | TESLA | 451 | 6 | 7.93 | $5.12 |
| 3 | SEMPER SOLARIS | 359 | 0 | 5.43 | $4.10 |
| 4 | BRIGHT PLANET SOLAR | 235 | 12 | 4.7 | $4.73 |
| 5 | BAKER ELECTRIC SOLAR | 160 | 0 | 8.57 | $4.53 |
| 6 | SUNPOWER | 113 | 0 | 43.19 | $4.50 |
| 7 | FREEDOM SOLAR POWER TX | 109 | 0 | 5.27 | $4.12 |
| 8 | SOLARTECH ENERGY SYSTEMS | 95 | 0 | 5.36 | $4.04 |
| 9 | STELLAR SOLAR | 81 | 4 | 5.55 | $3.95 |
| 10 | SUNLINE ENERGY | 66 | 1 | 5.6 | $3.94 |
| 11 | SULLIVAN SOLAR POWER | 62 | 0 | 14.7 | $4.78 |
| 12 | ASI HEATING AIR | 60 | 0 | 5.73 | $3.53 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91909 Chula Vista | 1.6 km | 5 | $8.00 | 28 |
| 91911 Chula Vista | 3.4 km | 5,363 | $4.58 | 39 |
| 91950 National City | 4.7 km | 1,998 | $4.76 | 39 |
| 92139 San Diego | 5.2 km | 3,057 | $4.56 | 43 |
| 91902 Bonita | 5.4 km | 2,810 | $4.22 | 44 |
| 92154 San Diego | 6.9 km | 6,033 | $4.50 | 38 |
Same city
Other zips in Chula Vista
Equipment
What gets installed in 91910
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA17.9%
SUNPOWER10.0%
LG ELECTRONICS9.0%
LONGI GREEN ENERGY TECHNOLOGY6.2%
SILFAB SOLAR5.8%
Inverters
SOLAREDGE37.4%
ENPHASE ENERGY29.5%
SUNPOWER6.2%
ABB5.1%
SMA AMERICA4.8%
Frequently asked
Quick answers about 91910
How many solar installations are there in 91910?
SolarDNA counts 5,260 active solar installations in Chula Vista 91910, 5,147 of them residential, with data through April 16, 2026.
How much does solar cost in 91910?
The median residential system in 91910 cost $4.45 per watt over the trailing twelve months, $0.19/W above the California median.
Is solar growing in 91910?
Installations in 91910 are up 19.9%: 277 in the trailing twelve months versus 231 before.
Who installs solar in 91910?
SUNRUN, TESLA, SEMPER SOLARIS lead the 423 installers with systems in 91910. The full comp set is above.
Is 91910 a good market for solar sales?
91910 scores 52 out of 100 (Excellent, higher than 95% of U.S. zip markets).