Cupertino, CA solar installation & market data
Updated April 30, 2026 By The SolarDNA Data Team
Cupertino has 3,936 solar installations across 2 zip codes at a median installed cost of $4.36/W, installations up 24.3% over the trailing twelve months, and an installs-weighted Market Score of 54.
Active installations
3,936
Zip markets
2
Median cost
$4.36/W
12-mo growth
▲ 24.3%
Installers active
353
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in Cupertino scores higher than 97% of U.S. zip markets.
Versus California
How Cupertino compares with the state
Installed cost
$0.10/W above
state median $4.26/W
Market score
54 vs 53
California scores 53
Share of state installs
0.17%
of 2.3M tracked statewide
Battery attach
13.6%
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: 393–501 installs (midpoint 447)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±12% band. Not a forecast of permits or policy.
Growth & pricing
Cupertino by year
399 installs in the trailing twelve months vs 321 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Cupertino
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 951 | 54 | 1 | $5.02 |
| 2 | SUNRUN | 417 | 52 | 1 | $3.92 |
| 3 | SUNPOWER | 186 | 1 | 1 | $4.45 |
| 4 | CLEAN SOLAR | 116 | 8 | 1 | $4.61 |
| 5 | CITADEL ROOFING AND SOLAR | 106 | 75 | 1 | $3.74 |
| 6 | COBALT POWER SYSTEMS | 96 | 6 | 1 | $6.59 |
| 7 | YOUR ENERGY SOLUTIONS | 84 | 7 | 1 | $3.79 |
| 8 | SEMPER SOLARIS | 72 | 4 | 1 | $4.00 |
| 9 | HIGHLIGHT SOLAR | 72 | 0 | 1 | $3.78 |
| 10 | SOLAR OPTIMUM DESIGN ELECTRIC | 59 | 0 | 1 | $2.96 |
| 11 | PETERSENDEAN | 59 | 0 | 1 | $4.76 |
| 12 | SUNWORK RENEWABLE ENERGY | 56 | 0 | 1 | $2.59 |
| 13 | CINNAMON SOLAR | 54 | 0 | 1 | $5.67 |
| 14 | INFINIUM SOLAR | 45 | 15 | 1 | $4.37 |
| 15 | SOLAR TECHNOLOGIES | 44 | 3 | 1 | $4.68 |
| 16 | RGS ENERGY | 43 | 0 | 1 | $7.49 |
| 17 | SUNGEVITY | 41 | 0 | 1 | $3.72 |
| 18 | AKEENA SOLAR | 40 | 0 | 1 | $7.64 |
| 19 | SLINGSHOT POWER | 39 | 0 | 1 | $3.03 |
| 20 | NRG CLEAN ENERGY | 36 | 0 | 1 | $3.15 |
| 21 | SUNVAULT | 34 | 8 | 1 | $3.65 |
| 22 | REC SOLAR COMMERCIAL | 31 | 0 | 1 | $6.33 |
| 23 | NEXUS ENERGY SYSTEMS | 27 | 5 | 1 | $4.24 |
| 24 | CINNAMON ENERGY SYSTEMS | 25 | 12 | 1 | $6.44 |
| 25 | WEST COAST SOLAR | 24 | 0 | 1 | $3.60 |