South Pasadena, CA solar installation & market data
Updated May 4, 2026 By The SolarDNA Data Team
South Pasadena has 979 solar installations across 2 zip codes at a median installed cost of $4.25/W, installations up 65.5% over the trailing twelve months, and an installs-weighted Market Score of 56.
Active installations
979
Zip markets
2
Median cost
$4.25/W
12-mo growth
▲ 65.5%
Installers active
263
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in South Pasadena scores higher than 98% of U.S. zip markets.
Versus California
How South Pasadena compares with the state
Installed cost
$0.02/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
25.9%
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: 89–121 installs (midpoint 105)
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
South Pasadena by year
91 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 South Pasadena
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 129 | 3 | 1 | $4.97 |
| 2 | SUNPOWER | 93 | 1 | 1 | $4.25 |
| 3 | SOLAR OPTIMUM DESIGN ELECTRIC | 50 | 0 | 1 | $2.85 |
| 4 | SUNRUN | 47 | 7 | 1 | $4.13 |
| 5 | GREEN CONVERGENCE | 26 | 1 | 1 | $4.68 |
| 6 | LA SOLAR GROUP | 26 | 0 | 1 | $3.52 |
| 7 | AP ELECTRIC | 16 | 0 | 1 | $3.75 |
| 8 | AMECO SOLAR | 15 | 2 | 1 | $3.49 |
| 9 | ALTADENA SOLAR | 15 | 0 | 1 | $3.60 |
| 10 | SEMPER SOLARIS | 15 | 0 | 1 | $3.58 |
| 11 | VERENGO | 14 | 0 | 1 | $4.93 |
| 12 | CALIFORNIA GREEN DESIGNS | 13 | 0 | 1 | $7.34 |
| 13 | MOORE SOLAR AND GREEN CONSTRUCTION | 9 | 0 | 1 | $3.60 |
| 14 | SOLARMAX | 9 | 0 | 1 | $3.15 |
| 15 | ADR ELECTRIC | 8 | 0 | 1 | $5.32 |
| 16 | SUNGEVITY | 7 | 0 | 1 | $3.52 |
| 17 | NRG CLEAN ENERGY | 7 | 0 | 1 | $3.57 |
| 18 | ONESUN | 6 | 1 | 1 | $3.41 |
| 19 | TRUE POWER SOLAR | 6 | 0 | 1 | $3.10 |
| 20 | ADVANCED SOLAR ELECTRIC | 6 | 0 | 1 | $8.78 |
| 21 | TREEPUBLIC ENERGY | 6 | 0 | 1 | $2.94 |
| 22 | CLEAN INITIATIVE | 6 | 0 | 1 | $4.31 |
| 23 | ORANGE COUNTY CONTRACTING SERVICES | 6 | 1 | 1 | $4.60 |
| 24 | BURKE ELECTRIC | 6 | 0 | 1 | $5.20 |
| 25 | GREEN TECH SOLUTIONS | 5 | 0 | 1 | $5.82 |