San Carlos, CA solar installation & market data
Updated April 7, 2026 By The SolarDNA Data Team
San Carlos has 2,576 solar installations across 1 zip code at a median installed cost of $4.54/W, installations down 5.3% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
2,576
Zip markets
1
Median cost
$4.54/W
12-mo growth
▼ 5.3%
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in San Carlos scores higher than 71% of U.S. zip markets.
Versus California
How San Carlos compares with the state
Installed cost
$0.27/W above
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
0.11%
of 2.3M tracked statewide
Battery attach
15.4%
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: 157–191 installs (midpoint 174)
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 Carlos by year
179 installs in the trailing twelve months vs 189 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in San Carlos
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 597 | 19 | 1 | $5.12 |
| 2 | SUNRUN | 189 | 7 | 1 | $4.49 |
| 3 | ROCKIN ROOFERS | 152 | 14 | 1 | $4.13 |
| 4 | SUNPOWER | 118 | 0 | 1 | $4.43 |
| 5 | CLEAN SOLAR | 103 | 6 | 1 | $4.55 |
| 6 | SEMPER SOLARIS | 75 | 3 | 1 | $4.24 |
| 7 | COBALT POWER SYSTEMS | 53 | 3 | 1 | $6.01 |
| 8 | PETERSENDEAN | 39 | 0 | 1 | $4.08 |
| 9 | FREEDOM GREEN CONSTRUCTION | 38 | 6 | 1 | $4.15 |
| 10 | NRG CLEAN ENERGY | 35 | 0 | 1 | $3.36 |
| 11 | SOLAR TECHNOLOGIES | 34 | 3 | 1 | $4.48 |
| 12 | THE SOLAR COMPANY | 33 | 0 | 1 | $5.41 |
Zip markets
Zips in San Carlos
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94070 | 2,576 | $4.54 | 46 B |