San Carlos, CA 94070 solar market data
Updated April 7, 2026 By The SolarDNA Data Team
San Carlos 94070 has 2,576 solar installations at a median installed cost of $4.54/W, installations down 5.3% over the trailing twelve months, and a Market Score of 46 — higher than 71% of U.S. zip markets.
Versus California
How 94070 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
94070 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 94070
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 597 | 19 | 6.27 | $5.12 |
| 2 | SUNRUN | 189 | 7 | 6.12 | $4.49 |
| 3 | ROCKIN ROOFERS | 152 | 14 | 7.06 | $4.13 |
| 4 | SUNPOWER | 118 | 0 | 6.28 | $4.43 |
| 5 | CLEAN SOLAR | 103 | 6 | 6.68 | $4.55 |
| 6 | SEMPER SOLARIS | 75 | 3 | 6.01 | $4.24 |
| 7 | COBALT POWER SYSTEMS | 53 | 3 | 7.32 | $6.01 |
| 8 | PETERSENDEAN | 39 | 0 | 5.57 | $4.08 |
| 9 | FREEDOM GREEN CONSTRUCTION | 38 | 6 | 6.58 | $4.15 |
| 10 | NRG CLEAN ENERGY | 35 | 0 | 7.18 | $3.36 |
| 11 | SOLAR TECHNOLOGIES | 34 | 3 | 10.12 | $4.48 |
| 12 | THE SOLAR COMPANY | 33 | 0 | 5.78 | $5.41 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94002 Belmont | 3.2 km | 1,668 | $4.45 | 44 |
| 94065 Redwood City | 4.4 km | 444 | $4.34 | 40 |
| 94061 Redwood City | 4.8 km | 1,866 | $4.58 | 52 |
| 94063 Redwood City | 5.4 km | 596 | $4.55 | 53 |
| 94403 San Mateo | 5.5 km | 1,992 | $4.29 | 61 |
| 94404 San Mateo | 6.3 km | 1,036 | $4.46 | 49 |
Equipment
What gets installed in 94070
Share of systems with a recorded brand
Modules
SUNPOWER14.0%
QCELLS NORTH AMERICA12.5%
LG ELECTRONICS7.6%
REC GROUP5.7%
REC SOLAR5.5%
Inverters
ENPHASE ENERGY28.5%
SOLAREDGE27.0%
SUNPOWER11.6%
TESLA10.0%
SMA AMERICA5.3%
Frequently asked
Quick answers about 94070
How many solar installations are there in 94070?
SolarDNA counts 2,576 active solar installations in San Carlos 94070, 2,534 of them residential, with data through April 7, 2026.
How much does solar cost in 94070?
The median residential system in 94070 cost $4.54 per watt over the trailing twelve months, $0.27/W above the California median.
Is solar growing in 94070?
Installations in 94070 are down 5.3%: 179 in the trailing twelve months versus 189 before.
Who installs solar in 94070?
TESLA, SUNRUN, ROCKIN ROOFERS lead the 309 installers with systems in 94070. The full comp set is above.
Is 94070 a good market for solar sales?
94070 scores 46 out of 100 (Great, higher than 71% of U.S. zip markets).