Chula Vista, CA 91915 solar market data
Updated April 1, 2026 By The SolarDNA Data Team
Chula Vista 91915 has 3,565 solar installations at a median installed cost of $4.21/W, installations down 26.6% over the trailing twelve months, and a Market Score of 42 — higher than 49% of U.S. zip markets.
Versus California
How 91915 compares with the state
Installed cost
$0.06/W below
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.16%
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: 95–125 installs (midpoint 110)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±13% band. Not a forecast of permits or policy.
Growth & pricing
91915 by year
127 installs in the trailing twelve months vs 173 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91915
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 801 | 29 | 5.05 | $4.54 |
| 2 | TESLA | 470 | 8 | 6.21 | $5.12 |
| 3 | SUNSTREET ENERGY GROUP | 229 | 0 | 2.72 | $3.80 |
| 4 | SEMPER SOLARIS | 224 | 0 | 5.45 | $4.04 |
| 5 | BAKER ELECTRIC SOLAR | 108 | 0 | 6.41 | $4.37 |
| 6 | BRIGHT PLANET SOLAR | 104 | 5 | 5.04 | $4.77 |
| 7 | VERENGO | 86 | 0 | 2.54 | $2.36 |
| 8 | SUNPOWER | 67 | 0 | 52.31 | $4.62 |
| 9 | FREEDOM SOLAR POWER TX | 59 | 0 | 5.42 | $4.36 |
| 10 | SUNGEVITY | 57 | 0 | 5.27 | $4.04 |
| 11 | STELLAR SOLAR | 53 | 1 | 5.57 | $4.25 |
| 12 | SOLARTECH ENERGY SYSTEMS | 51 | 0 | 5.99 | $3.77 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91914 Chula Vista | 3.8 km | 2,730 | $4.21 | 51 |
| 91913 Chula Vista | 4.7 km | 7,503 | $4.28 | 37 |
| 91902 Bonita | 8.6 km | 2,810 | $4.22 | 44 |
| 91911 Chula Vista | 11.1 km | 5,363 | $4.58 | 39 |
| 92139 San Diego | 11.4 km | 3,057 | $4.56 | 43 |
| 91978 Spring Valley | 11.4 km | 1,135 | $4.22 | 44 |
Same city
Other zips in Chula Vista
Equipment
What gets installed in 91915
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA15.7%
LG ELECTRONICS15.3%
SUNPOWER9.1%
KYOCERA SOLAR6.8%
LONGI GREEN ENERGY TECHNOLOGY6.2%
Inverters
SOLAREDGE35.5%
ENPHASE ENERGY34.0%
ABB6.1%
SUNPOWER5.4%
SMA AMERICA3.5%
Frequently asked
Quick answers about 91915
How many solar installations are there in 91915?
SolarDNA counts 3,565 active solar installations in Chula Vista 91915, 3,535 of them residential, with data through April 1, 2026.
How much does solar cost in 91915?
The median residential system in 91915 cost $4.21 per watt over the trailing twelve months, $0.06/W below the California median.
Is solar growing in 91915?
Installations in 91915 are down 26.6%: 127 in the trailing twelve months versus 173 before.
Who installs solar in 91915?
SUNRUN, TESLA, SUNSTREET ENERGY GROUP lead the 279 installers with systems in 91915. The full comp set is above.
Is 91915 a good market for solar sales?
91915 scores 42 out of 100 (Good, higher than 49% of U.S. zip markets).