South Pasadena, CA 91030 solar market data
Updated May 4, 2026 By The SolarDNA Data Team
South Pasadena 91030 has 978 solar installations at a median installed cost of $4.25/W, installations up 63.6% over the trailing twelve months, and a Market Score of 56 — higher than 98% of U.S. zip markets.
Zip Market Score
Excellent · higher than 98% of zips
Versus California
How 91030 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
56 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
26.0%
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: 88–118 installs (midpoint 103)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
91030 by year
90 installs in the trailing twelve months vs 55 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91030
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 129 | 3 | 6.78 | $4.97 |
| 2 | SUNPOWER | 93 | 1 | 7.56 | $4.25 |
| 3 | SOLAR OPTIMUM DESIGN ELECTRIC | 50 | 0 | 8.99 | $2.85 |
| 4 | SUNRUN | 47 | 7 | 7.07 | $4.13 |
| 5 | GREEN CONVERGENCE | 26 | 1 | 7.82 | $4.68 |
| 6 | LA SOLAR GROUP | 26 | 0 | 6.82 | $3.52 |
| 7 | AP ELECTRIC | 16 | 0 | 6.06 | $3.75 |
| 8 | AMECO SOLAR | 15 | 2 | 8.34 | $3.49 |
| 9 | ALTADENA SOLAR | 15 | 0 | 8.29 | $3.60 |
| 10 | SEMPER SOLARIS | 15 | 0 | 10.3 | $3.58 |
| 11 | VERENGO | 14 | 0 | 6.04 | $4.93 |
| 12 | CALIFORNIA GREEN DESIGNS | 13 | 0 | 6.81 | $7.34 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91801 Alhambra | 3.2 km | 751 | $4.31 | 40 |
| 90042 Los Angeles | 3.5 km | 467 | $4.97 | 37 |
| 90032 Los Angeles | 3.8 km | 272 | $5.08 | 36 |
| 91108 San Marino | 4.1 km | 584 | $4.43 | 42 |
| 91803 Alhambra | 4.2 km | 557 | $4.25 | 41 |
| 90041 Los Angeles | 5.5 km | 392 | $4.98 | 37 |
Same city
Other zips in South Pasadena
Equipment
What gets installed in 91030
Share of systems with a recorded brand
Modules
SUNPOWER19.9%
QCELLS NORTH AMERICA12.3%
REC GROUP7.8%
LG ELECTRONICS7.4%
TESLA5.1%
Inverters
ENPHASE ENERGY36.3%
SOLAREDGE21.1%
SUNPOWER15.9%
SMA AMERICA7.7%
ABB4.4%
Frequently asked
Quick answers about 91030
How many solar installations are there in 91030?
SolarDNA counts 978 active solar installations in South Pasadena 91030, 957 of them residential, with data through May 4, 2026.
How much does solar cost in 91030?
The median residential system in 91030 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 91030?
Installations in 91030 are up 63.6%: 90 in the trailing twelve months versus 55 before.
Who installs solar in 91030?
TESLA, SUNPOWER, SOLAR OPTIMUM DESIGN ELECTRIC lead the 262 installers with systems in 91030. The full comp set is above.
Is 91030 a good market for solar sales?
91030 scores 56 out of 100 (Excellent, higher than 98% of U.S. zip markets).