Torrance, CA 90503 solar market data
Updated April 8, 2026 By The SolarDNA Data Team
Torrance 90503 has 1,007 solar installations at a median installed cost of $4.24/W, installations up 1.2% over the trailing twelve months, and a Market Score of 44 — higher than 63% of U.S. zip markets.
Versus California
How 90503 compares with the state
Installed cost
$0.03/W below
state median $4.26/W
Market score
44 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
25.0%
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: 73–89 installs (midpoint 81)
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
90503 by year
81 installs in the trailing twelve months vs 80 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 90503
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 166 | 14 | 5.4 | $4.44 |
| 2 | TESLA | 121 | 9 | 5.79 | $5.12 |
| 3 | SUNPOWER | 53 | 0 | 9.81 | $5.08 |
| 4 | FREEDOM FOREVER | 29 | 1 | 7.07 | $4.44 |
| 5 | SOLAR OPTIMUM DESIGN ELECTRIC | 27 | 0 | 7.59 | $3.11 |
| 6 | XERO SOLAR | 21 | 3 | 14.25 | $4.23 |
| 7 | SEMPER SOLARIS | 18 | 0 | 5.25 | $4.58 |
| 8 | SOLARMAX | 17 | 0 | 6.04 | $3.10 |
| 9 | VERENGO | 17 | 0 | 4.48 | $4.60 |
| 10 | AMECO SOLAR | 15 | 2 | 7.9 | $4.28 |
| 11 | ABC SOLAR | 15 | 0 | 11.24 | $3.96 |
| 12 | SUNGEVITY | 15 | 0 | 5.47 | $4.41 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 90277 Redondo Beach | 2.9 km | 924 | $4.24 | 56 |
| 90505 Torrance | 3.3 km | 1,142 | $4.24 | 49 |
| 90278 Redondo Beach | 3.8 km | 1,218 | $4.25 | 54 |
| 90504 Torrance | 4.1 km | 925 | $4.34 | 44 |
| 90501 Torrance | 4.2 km | 670 | $4.30 | 42 |
| 90254 Hermosa Beach | 4.7 km | 586 | $4.91 | 38 |
Same city
Other zips in Torrance
Equipment
What gets installed in 90503
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA18.4%
SUNPOWER9.5%
REC GROUP8.0%
LG ELECTRONICS6.3%
TESLA5.5%
Inverters
ENPHASE ENERGY35.0%
SOLAREDGE28.7%
SUNPOWER7.1%
TESLA6.9%
ABB5.0%
Frequently asked
Quick answers about 90503
How many solar installations are there in 90503?
SolarDNA counts 1,007 active solar installations in Torrance 90503, 972 of them residential, with data through April 8, 2026.
How much does solar cost in 90503?
The median residential system in 90503 cost $4.24 per watt over the trailing twelve months, $0.03/W below the California median.
Is solar growing in 90503?
Installations in 90503 are up 1.2%: 81 in the trailing twelve months versus 80 before.
Who installs solar in 90503?
SUNRUN, TESLA, SUNPOWER lead the 233 installers with systems in 90503. The full comp set is above.
Is 90503 a good market for solar sales?
90503 scores 44 out of 100 (Good, higher than 63% of U.S. zip markets).