San Ramon, CA solar installation & market data
Updated April 17, 2026 By The SolarDNA Data Team
San Ramon has 8,726 solar installations across 2 zip codes at a median installed cost of $4.11/W, installations up 7.2% over the trailing twelve months, and an installs-weighted Market Score of 51.
Active installations
8,726
Zip markets
2
Median cost
$4.11/W
12-mo growth
▲ 7.2%
Installers active
385
City Market Score
Excellent · installs-weighted across 2 zips
Best zip in San Ramon scores higher than 96% of U.S. zip markets.
Versus California
How San Ramon compares with the state
Installed cost
$0.15/W below
state median $4.26/W
Market score
51 vs 53
California scores 53
Share of state installs
0.39%
of 2.3M tracked statewide
Battery attach
9.1%
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: 488–596 installs (midpoint 542)
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
San Ramon by year
523 installs in the trailing twelve months vs 488 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in San Ramon
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 2,456 | 106 | 2 | $4.86 |
| 2 | SUNPOWER | 836 | 6 | 2 | $4.42 |
| 3 | SUNRUN | 784 | 73 | 2 | $4.13 |
| 4 | YOUR ENERGY SOLUTIONS | 470 | 25 | 2 | $3.53 |
| 5 | VERENGO | 245 | 0 | 2 | $2.41 |
| 6 | POWERLIGHT | 234 | 0 | 2 | $7.86 |
| 7 | CITADEL ROOFING AND SOLAR | 208 | 90 | 2 | $2.74 |
| 8 | PETERSENDEAN | 152 | 0 | 2 | $3.74 |
| 9 | SKY POWER SOLAR | 147 | 0 | 2 | $4.28 |
| 10 | SEMPER SOLARIS | 119 | 7 | 2 | $3.97 |
| 11 | SUNGEVITY | 111 | 0 | 2 | $3.44 |
| 12 | BETTER EARTH | 110 | 0 | 2 | $3.47 |
| 13 | SOLAR TECHNOLOGIES | 104 | 9 | 2 | $4.68 |
| 14 | RIKETY VENTURES | 86 | 0 | 2 | $3.65 |
| 15 | WEST COAST SOLAR | 81 | 1 | 2 | $3.75 |
| 16 | DIABLO SOLAR SERVICES | 77 | 0 | 2 | $4.54 |
| 17 | SOLAR OPTIMUM DESIGN ELECTRIC | 73 | 0 | 2 | $2.97 |
| 18 | FREEDOM FOREVER | 71 | 9 | 2 | $4.46 |
| 19 | HOOKED ON SOLAR | 70 | 4 | 2 | $4.26 |
| 20 | RA SOLAR CA | 61 | 0 | 2 | $2.92 |
| 21 | SOL R US ELECTRIC ENGINEERING | 61 | 0 | 2 | $3.09 |
| 22 | SYNERGY POWER CA | 60 | 0 | 2 | $3.58 |
| 23 | SOLARPARK USA | 57 | 4 | 2 | $2.93 |
| 24 | THE SOLAR COMPANY | 54 | 0 | 2 | $5.56 |
| 25 | SLINGSHOT POWER | 52 | 0 | 2 | $3.03 |