Whittier, CA solar installation & market data
Updated May 4, 2026 By The SolarDNA Data Team
Whittier has 6,508 solar installations across 8 zip codes at a median installed cost of $4.51/W, installations up 13.2% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
6,508
Zip markets
8
Median cost
$4.51/W
12-mo growth
▲ 13.2%
Installers active
639
City Market Score
Great · installs-weighted across 8 zips
Best zip in Whittier scores higher than 88% of U.S. zip markets.
Versus California
How Whittier compares with the state
Installed cost
$0.25/W above
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
0.29%
of 2.3M tracked statewide
Battery attach
17.6%
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: 494–604 installs (midpoint 549)
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
Whittier by year
515 installs in the trailing twelve months vs 455 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Whittier
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 883 | 86 | 7 | $4.18 |
| 2 | TESLA | 670 | 20 | 7 | $5.10 |
| 3 | SUNPOWER | 509 | 4 | 6 | $4.45 |
| 4 | FREEDOM FOREVER | 239 | 26 | 6 | $4.38 |
| 5 | BRIGHT OPS | 190 | 52 | 6 | $4.52 |
| 6 | SKYLINE SMART ENERGY | 162 | 29 | 6 | $5.88 |
| 7 | ESP CONTRACTING | 136 | 0 | 6 | $4.47 |
| 8 | VERENGO | 126 | 0 | 7 | $4.37 |
| 9 | SEMPER SOLARIS | 106 | 4 | 6 | $4.41 |
| 10 | COMPLETE SOLAR | 103 | 13 | 6 | $4.38 |
| 11 | SUNGEVITY | 92 | 0 | 6 | $3.69 |
| 12 | BETTER EARTH | 88 | 0 | 6 | $5.26 |
| 13 | PETERSENDEAN | 83 | 0 | 6 | $3.66 |
| 14 | SUNNOVA ENERGY | 75 | 0 | 2 | $3.80 |
| 15 | SOLARMAX | 67 | 0 | 6 | $3.42 |
| 16 | V3 ELECTRIC | 64 | 22 | 6 | $5.57 |
| 17 | SUNERGY CONSTRUCTION | 58 | 0 | 6 | $4.08 |
| 18 | SOLAR OPTIMUM DESIGN ELECTRIC | 56 | 0 | 6 | $3.10 |
| 19 | TITANIUM SOLAR | 54 | 0 | 6 | $6.11 |
| 20 | POWUR | 54 | 0 | 6 | $5.04 |
| 21 | ZERO ENERGY ASSOCIATES | 46 | 0 | 6 | $8.71 |
| 22 | SONPOWER | 44 | 0 | 6 | $4.26 |
| 23 | SOUTH WEST BUILDERS | 44 | 19 | 6 | $6.48 |
| 24 | SUNSTREET ENERGY GROUP | 43 | 0 | 1 | $3.20 |
| 25 | CLEAN INITIATIVE | 41 | 0 | 6 | $4.69 |