Santa Clara County, CA solar installation & market data
Updated May 21, 2026 By The SolarDNA Data Team
Santa Clara County has 101,376 solar installations across 69 zip codes at a median installed cost of $4.46/W, installations down 0.9% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
101,376
Zip markets
69
Median cost
$4.46/W
12-mo growth
▼ 0.9%
Installers active
1,566
County Market Score
Great · installs-weighted across 69 zips
Best zip in Santa Clara County scores higher than 98% of U.S. zip markets.
Versus California
How Santa Clara County compares with the state
Installed cost
$0.19/W above
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
4.48%
of 2.3M tracked statewide
Battery attach
11.1%
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: 6,143–7,508 installs (midpoint 6,825)
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
Santa Clara County by year
6,856 installs in the trailing twelve months vs 6,917 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Santa Clara County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 18,921 | 906 | 57 | $5.08 |
| 2 | SUNRUN | 14,061 | 1,413 | 54 | $4.27 |
| 3 | SUNPOWER | 6,052 | 52 | 53 | $4.45 |
| 4 | PETERSENDEAN | 3,337 | 0 | 53 | $4.31 |
| 5 | CLEAN SOLAR | 2,580 | 104 | 51 | $4.28 |
| 6 | COBALT POWER SYSTEMS | 2,185 | 126 | 49 | $5.52 |
| 7 | BRIGHT OPS | 1,827 | 346 | 45 | $4.61 |
| 8 | SEMPER SOLARIS | 1,741 | 108 | 50 | $4.28 |
| 9 | CINNAMON SOLAR | 1,229 | 0 | 44 | $4.71 |
| 10 | SUNGEVITY | 1,186 | 0 | 50 | $3.69 |
| 11 | SOLAR TECHNOLOGIES | 1,184 | 63 | 51 | $4.65 |
| 12 | RGS ENERGY | 1,169 | 0 | 53 | $6.93 |
| 13 | CITADEL ROOFING AND SOLAR | 1,163 | 181 | 40 | $3.08 |
| 14 | SWSS ELECTRIC | 1,121 | 21 | 38 | $2.95 |
| 15 | INFINIUM SOLAR | 1,034 | 220 | 46 | $4.08 |
| 16 | FREEDOM FOREVER | 1,029 | 128 | 46 | $4.71 |
| 17 | YOUR ENERGY SOLUTIONS | 1,001 | 98 | 47 | $3.72 |
| 18 | HIGHLIGHT SOLAR | 970 | 0 | 47 | $3.71 |
| 19 | SOLAR OPTIMUM DESIGN ELECTRIC | 942 | 0 | 46 | $3.00 |
| 20 | NRG CLEAN ENERGY | 897 | 0 | 50 | $3.48 |
| 21 | AKEENA SOLAR | 850 | 0 | 53 | $7.83 |
| 22 | COMPLETE SOLAR | 795 | 99 | 45 | $4.85 |
| 23 | FUTURE ENERGY SAVERS | 785 | 1 | 43 | $6.45 |
| 24 | NEXUS ENERGY SYSTEMS | 764 | 60 | 44 | $5.60 |
| 25 | INFINITY ENERGY | 760 | 45 | 46 | $4.29 |
Zip markets
Zips in Santa Clara County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95020 | 6,438 | $4.44 | 39 C |
| 95037 | 5,996 | $4.50 | 47 B |
| 95120 | 4,852 | $4.44 | 40 C |
| 95124 | 4,553 | $4.35 | 50 B |
| 95123 | 4,374 | $4.50 | 47 B |
| 95070 | 3,969 | $4.49 | 46 B |
| 95014 | 3,935 | $4.36 | 54 A |
| 95125 | 3,872 | $4.46 | 50 B |
| 95035 | 3,563 | $4.23 | 52 A |
| 94087 | 3,515 | $4.42 | 49 B |
| 95148 | 3,223 | $4.22 | 54 A |
| 95127 | 3,131 | $4.56 | 43 C |
| 94024 | 3,001 | $4.53 | 48 B |
| 95008 | 2,670 | $4.35 | 48 B |
| 94022 | 2,545 | $4.91 | 41 C |
| 95118 | 2,443 | $4.52 | 46 B |
| 95132 | 2,422 | $4.40 | 50 B |
| 95032 | 2,329 | $4.43 | 56 A |
| 95136 | 2,229 | $4.46 | 45 C |
| 95135 | 2,150 | $4.33 | 50 B |
| 95121 | 2,085 | $4.37 | 45 C |
| 95129 | 2,062 | $4.35 | 49 B |
| 95138 | 1,893 | $4.25 | 48 B |
| 95111 | 1,859 | $4.49 | 45 C |
| 95122 | 1,777 | $4.44 | 43 C |
| 94040 | 1,570 | $4.50 | 55 A |
| 95030 | 1,457 | $4.70 | 42 C |
| 95128 | 1,445 | $4.42 | 48 B |
| 94086 | 1,358 | $4.25 | 43 C |
| 95112 | 1,233 | $4.57 | 45 C |
| 95119 | 1,194 | $4.25 | 43 C |
| 95117 | 1,180 | $4.00 | 41 C |
| 95033 | 1,073 | $5.10 | 40 C |
| 94043 | 1,041 | $4.08 | 34 D |
| 95131 | 1,014 | $4.28 | 56 A |
| 95133 | 999 | $4.51 | 55 A |
| 95116 | 973 | $4.79 | 40 C |
| 95130 | 931 | $4.40 | 45 C |
| 95126 | 869 | $4.46 | 38 D |
| 94085 | 606 | $4.56 | 40 C |
| 95139 | 576 | $4.44 | 40 C |
| 95046 | 545 | $4.42 | 40 C |
| 94041 | 530 | $5.06 | 37 D |
| 94089 | 447 | $4.24 | 53 A |
| 95110 | 420 | $4.67 | 39 D |
| 94306 | 258 | $6.80 | 30 F |
| 94305 | 246 | $5.21 | 35 D |
| 94301 | 192 | $7.42 | 29 F |
| 95002 | 80 | $4.05 | 40 C |
| 95134 | 67 | $3.86 | 41 C |
| 95101 | 55 | $6.98 | 29 F |
| 95140 | 43 | $4.86 | 36 D |
| 94304 | 23 | $6.38 | 29 F |
| 95044 | 15 | $4.14 | 39 C |
| 95113 | 11 | $4.14 | 39 C |
| 95038 | 8 | $4.50 | 37 D |
| 94035 | 8 | $7.42 | 28 F |
| 95141 | 6 | $6.30 | 29 F |
| 95013 | 3 | $3.92 | 40 C |
| 95154 | 2 | $4.25 | 38 D |
| 94042 | 2 | $4.36 | 38 D |
| 94039 | 2 | $8.97 | 28 F |
| 94023 | 2 | $7.76 | 28 F |
| 95050 | 1 | $2.22 | 48 B |
| 95031 | 1 | $3.69 | 41 C |
| 95015 | 1 | $3.84 | 40 C |
| 94309 | 1 | $8.00 | 28 F |
| 95151 | 1 | $8.61 | 28 F |
| 95054 | 1 | $5.45 | 33 F |