South San Francisco, CA solar installation & market data
Updated May 11, 2026 By The SolarDNA Data Team
South San Francisco has 1,619 solar installations across 1 zip code at a median installed cost of $4.73/W, installations up 81.2% over the trailing twelve months, and an installs-weighted Market Score of 57.
Active installations
1,619
Zip markets
1
Median cost
$4.73/W
12-mo growth
▲ 81.2%
Installers active
12
City Market Score
Excellent · installs-weighted across 1 zips
Best zip in South San Francisco scores higher than 99% of U.S. zip markets.
Versus California
How South San Francisco compares with the state
Installed cost
$0.47/W above
state median $4.26/W
Market score
57 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
14.7%
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: 179–241 installs (midpoint 210)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
South San Francisco by year
183 installs in the trailing twelve months vs 101 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in South San Francisco
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 306 | 18 | 1 | $5.12 |
| 2 | SUNRUN | 206 | 35 | 1 | $4.03 |
| 3 | SUNPOWER | 92 | 1 | 1 | $4.50 |
| 4 | BRIGHT OPS | 49 | 42 | 1 | $6.57 |
| 5 | SEMPER SOLARIS | 39 | 5 | 1 | $4.67 |
| 6 | HIGH DEFINITION SOLAR | 37 | 0 | 1 | $7.09 |
| 7 | FREEDOM FOREVER | 36 | 7 | 1 | $4.63 |
| 8 | PETERSENDEAN | 34 | 0 | 1 | $4.08 |
| 9 | NEXUS ENERGY SYSTEMS | 29 | 9 | 1 | $6.41 |
| 10 | BETTER EARTH | 27 | 0 | 1 | $5.20 |
| 11 | INFINITY ENERGY | 23 | 0 | 1 | $4.13 |
| 12 | YOUR ENERGY SOLUTIONS | 22 | 3 | 1 | $4.47 |
Zip markets
Zips in South San Francisco
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 94080 | 1,619 | $4.73 | 57 A |