Windsor, CA solar installation & market data
Updated April 20, 2026 By The SolarDNA Data Team
Windsor has 2,272 solar installations across 1 zip code at a median installed cost of $4.60/W, installations up 4.4% over the trailing twelve months, and an installs-weighted Market Score of 48.
Active installations
2,272
Zip markets
1
Median cost
$4.60/W
12-mo growth
▲ 4.4%
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in Windsor scores higher than 79% of U.S. zip markets.
Versus California
How Windsor compares with the state
Installed cost
$0.34/W above
state median $4.26/W
Market score
48 vs 53
California scores 53
Share of state installs
0.10%
of 2.3M tracked statewide
Battery attach
12.1%
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: 131–160 installs (midpoint 145)
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
Windsor by year
142 installs in the trailing twelve months vs 136 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Windsor
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 557 | 58 | 1 | $4.97 |
| 2 | TESLA | 275 | 4 | 1 | $5.12 |
| 3 | NORTHERN PACIFIC POWER | 131 | 0 | 1 | $3.85 |
| 4 | ROCKIN ROOFERS | 103 | 1 | 1 | $3.15 |
| 5 | SUNPOWER | 52 | 1 | 1 | $4.48 |
| 6 | FREEDOM FOREVER | 46 | 2 | 1 | $5.02 |
| 7 | BETTER EARTH | 44 | 0 | 1 | $5.15 |
| 8 | SUNTEGRITY SOLAR | 39 | 0 | 1 | $3.93 |
| 9 | PETERSENDEAN | 33 | 0 | 1 | $4.14 |
| 10 | SOLAR WORKS | 31 | 1 | 1 | $6.51 |
| 11 | PURE POWER SOLUTIONS | 27 | 4 | 1 | $2.14 |
| 12 | BRIGHT OPS | 25 | 6 | 1 | $4.41 |
Zip markets
Zips in Windsor
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 95492 | 2,272 | $4.60 | 48 B |