Vallejo, CA solar installation & market data
Updated April 24, 2026 By The SolarDNA Data Team
Vallejo has 6,423 solar installations across 4 zip codes at a median installed cost of $4.84/W, installations up 8.3% over the trailing twelve months, and an installs-weighted Market Score of 46.
Active installations
6,423
Zip markets
4
Median cost
$4.84/W
12-mo growth
▲ 8.3%
Installers active
417
City Market Score
Great · installs-weighted across 4 zips
Best zip in Vallejo scores higher than 80% of U.S. zip markets.
Versus California
How Vallejo compares with the state
Installed cost
$0.58/W above
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
0.28%
of 2.3M tracked statewide
Battery attach
14.4%
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: 536–655 installs (midpoint 595)
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
Vallejo by year
571 installs in the trailing twelve months vs 527 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Vallejo
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,131 | 165 | 3 | $4.44 |
| 2 | TESLA | 904 | 18 | 3 | $5.12 |
| 3 | BRIGHT OPS | 361 | 111 | 3 | $4.97 |
| 4 | FREEDOM FOREVER | 245 | 20 | 3 | $5.14 |
| 5 | SUNPOWER | 237 | 0 | 3 | $5.05 |
| 6 | V3 ELECTRIC | 212 | 10 | 3 | $4.32 |
| 7 | NORTH VALLEY | 149 | 37 | 3 | $5.55 |
| 8 | AMBROSE SOLAR | 146 | 14 | 3 | $5.03 |
| 9 | ESP CONTRACTING | 137 | 2 | 3 | $4.33 |
| 10 | PETERSENDEAN | 132 | 0 | 3 | $3.96 |
| 11 | HIGH DEFINITION SOLAR | 103 | 0 | 3 | $8.36 |
| 12 | BETTER EARTH | 96 | 0 | 3 | $5.41 |
| 13 | SEMPER SOLARIS | 95 | 9 | 3 | $4.43 |
| 14 | FIDELITY HOME ENERGY | 78 | 0 | 3 | $6.32 |
| 15 | SUNGEVITY | 68 | 0 | 3 | $3.62 |
| 16 | COMPLETE SOLAR | 61 | 2 | 3 | $4.58 |
| 17 | AMERICAN ARRAY SOLAR | 60 | 0 | 3 | $3.75 |
| 18 | INFINITY ENERGY | 53 | 0 | 3 | $4.25 |
| 19 | EMPOWER ELECTRIC | 52 | 0 | 3 | $7.26 |
| 20 | KOTA CONSTRUCTION | 47 | 0 | 3 | $5.29 |
| 21 | A1 GUARANTEED HEATING AIR | 46 | 0 | 3 | $4.03 |
| 22 | HOOKED ON SOLAR | 44 | 2 | 3 | $4.45 |
| 23 | SOLCIUS | 43 | 0 | 3 | $5.98 |
| 24 | CITADEL ROOFING AND SOLAR | 42 | 4 | 3 | $4.09 |
| 25 | CANOPY ENERGY | 36 | 0 | 3 | $5.98 |