San Lorenzo, CA solar installation & market data
Updated May 15, 2026 By The SolarDNA Data Team
San Lorenzo has 929 solar installations across 1 zip code at a median installed cost of $4.73/W, installations down 20.0% over the trailing twelve months, and an installs-weighted Market Score of 36.
Active installations
929
Zip markets
1
Median cost
$4.73/W
12-mo growth
▼ 20.0%
Installers active
12
City Market Score
Fair · installs-weighted across 1 zips
Best zip in San Lorenzo scores higher than 15% of U.S. zip markets.
Versus California
How San Lorenzo 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
San Lorenzo 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 San Lorenzo
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 244 | 12 | 1 | $4.54 |
| 2 | TESLA | 145 | 6 | 1 | $5.12 |
| 3 | SUNPOWER | 45 | 0 | 1 | $5.47 |
| 4 | BRIGHT OPS | 41 | 18 | 1 | $6.34 |
| 5 | SEMPER SOLARIS | 27 | 1 | 1 | $4.30 |
| 6 | BETTER EARTH | 24 | 0 | 1 | $5.07 |
| 7 | FREEDOM FOREVER | 21 | 4 | 1 | $5.50 |
| 8 | PETERSENDEAN | 15 | 0 | 1 | $4.04 |
| 9 | NEXUS ENERGY SYSTEMS | 13 | 1 | 1 | $5.60 |
| 10 | EMPOWER ELECTRIC | 12 | 0 | 1 | $5.38 |
| 11 | SUNGATE ENERGY SOLUTIONS | 12 | 0 | 1 | — |
| 12 | KOTA CONSTRUCTION | 11 | 1 | 1 | $4.76 |
Zip markets
Zips in San Lorenzo
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94580 | 929 | $4.73 | 36 D |