San Lorenzo, CA 94580 solar market data
Updated May 15, 2026 By The SolarDNA Data Team
San Lorenzo 94580 has 929 solar installations at a median installed cost of $4.73/W, installations down 20.0% over the trailing twelve months, and a Market Score of 36 — higher than 15% of U.S. zip markets.
Versus California
How 94580 compares with the state
Installed cost
$0.46/W above
state median $4.26/W
Market score
36 vs 53
California scores 53
Share of state installs
0.04%
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: 49–59 installs (midpoint 54)
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
94580 by year
60 installs in the trailing twelve months vs 75 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94580
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 244 | 12 | 5.22 | $4.54 |
| 2 | TESLA | 145 | 6 | 5.16 | $5.12 |
| 3 | SUNPOWER | 45 | 0 | 5.02 | $5.47 |
| 4 | BRIGHT OPS | 41 | 18 | 4.63 | $6.34 |
| 5 | SEMPER SOLARIS | 27 | 1 | 5.98 | $4.30 |
| 6 | BETTER EARTH | 24 | 0 | 5.66 | $5.07 |
| 7 | FREEDOM FOREVER | 21 | 4 | 5.39 | $5.50 |
| 8 | PETERSENDEAN | 15 | 0 | 5.13 | $4.04 |
| 9 | NEXUS ENERGY SYSTEMS | 13 | 1 | 6.66 | $5.60 |
| 10 | EMPOWER ELECTRIC | 12 | 0 | 5.96 | $5.38 |
| 11 | SUNGATE ENERGY SOLUTIONS | 12 | 0 | 1.79 | — |
| 12 | KOTA CONSTRUCTION | 11 | 1 | 4.54 | $4.76 |
Equipment
What gets installed in 94580
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA16.0%
JINKO SOLAR10.9%
CSI SOLAR8.2%
LONGI GREEN ENERGY TECHNOLOGY7.5%
SUNPOWER7.5%
Inverters
SOLAREDGE36.5%
ENPHASE ENERGY27.4%
TESLA8.9%
SUNPOWER6.3%
ABB5.9%
Frequently asked
Quick answers about 94580
How many solar installations are there in 94580?
SolarDNA counts 929 active solar installations in San Lorenzo 94580, 906 of them residential, with data through May 15, 2026.
How much does solar cost in 94580?
The median residential system in 94580 cost $4.73 per watt over the trailing twelve months, $0.46/W above the California median.
Is solar growing in 94580?
Installations in 94580 are down 20.0%: 60 in the trailing twelve months versus 75 before.
Who installs solar in 94580?
SUNRUN, TESLA, SUNPOWER lead the 147 installers with systems in 94580. The full comp set is above.
Is 94580 a good market for solar sales?
94580 scores 36 out of 100 (Fair, higher than 15% of U.S. zip markets).