Whittier, CA 90605 solar market data
Updated April 15, 2026 By The SolarDNA Data Team
Whittier 90605 has 1,249 solar installations at a median installed cost of $4.63/W, installations up 17.3% over the trailing twelve months, and a Market Score of 47 — higher than 76% of U.S. zip markets.
Versus California
How 90605 compares with the state
Installed cost
$0.37/W above
state median $4.26/W
Market score
47 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
17.2%
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: 113–138 installs (midpoint 125)
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
90605 by year
115 installs in the trailing twelve months vs 98 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 90605
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 171 | 15 | 6.85 | $4.15 |
| 2 | TESLA | 136 | 2 | 6.13 | $5.12 |
| 3 | SUNPOWER | 71 | 4 | 4.73 | $4.63 |
| 4 | SKYLINE SMART ENERGY | 50 | 14 | 7.97 | $5.73 |
| 5 | FREEDOM FOREVER | 42 | 4 | 7.82 | $4.66 |
| 6 | COMPLETE SOLAR | 31 | 11 | 5.16 | $3.80 |
| 7 | BRIGHT OPS | 29 | 6 | 7.23 | $4.62 |
| 8 | ESP CONTRACTING | 28 | 0 | 5.64 | $4.25 |
| 9 | VERENGO | 27 | 0 | 5.67 | $4.61 |
| 10 | SEMPER SOLARIS | 24 | 2 | 7.14 | $4.57 |
| 11 | BETTER EARTH | 20 | 0 | 6.21 | $5.27 |
| 12 | SUNGEVITY | 18 | 0 | 5.75 | $4.05 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 90604 Whittier | 2.5 km | 1,444 | $4.68 | 46 |
| 90602 Whittier | 3.1 km | 914 | $4.25 | 43 |
| 90603 Whittier | 4.0 km | 1,019 | $4.41 | 50 |
| 90670 Santa Fe Springs | 4.5 km | 885 | $5.14 | 41 |
| 90638 La Mirada | 4.5 km | 2,094 | $4.43 | 59 |
| 90606 Whittier | 4.9 km | 826 | $4.59 | 41 |
Same city
Other zips in Whittier
Equipment
What gets installed in 90605
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA24.0%
CSI SOLAR8.9%
SUNPOWER7.4%
LONGI GREEN ENERGY TECHNOLOGY5.6%
JA SOLAR3.7%
Inverters
ENPHASE ENERGY38.2%
SOLAREDGE35.1%
ABB5.5%
SUNPOWER5.0%
TESLA3.5%
Frequently asked
Quick answers about 90605
How many solar installations are there in 90605?
SolarDNA counts 1,249 active solar installations in Whittier 90605, 1,239 of them residential, with data through April 15, 2026.
How much does solar cost in 90605?
The median residential system in 90605 cost $4.63 per watt over the trailing twelve months, $0.37/W above the California median.
Is solar growing in 90605?
Installations in 90605 are up 17.3%: 115 in the trailing twelve months versus 98 before.
Who installs solar in 90605?
SUNRUN, TESLA, SUNPOWER lead the 264 installers with systems in 90605. The full comp set is above.
Is 90605 a good market for solar sales?
90605 scores 47 out of 100 (Great, higher than 76% of U.S. zip markets).