Vallejo, CA 94589 solar market data
Updated April 24, 2026 By The SolarDNA Data Team
Vallejo 94589 has 1,463 solar installations at a median installed cost of $5.10/W, installations down 1.5% over the trailing twelve months, and a Market Score of 41 — higher than 45% of U.S. zip markets.
Versus California
How 94589 compares with the state
Installed cost
$0.84/W above
state median $4.26/W
Market score
41 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
15.5%
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: 115–141 installs (midpoint 128)
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
94589 by year
129 installs in the trailing twelve months vs 131 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94589
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 230 | 32 | 6.18 | $4.44 |
| 2 | TESLA | 190 | 0 | 6.09 | $5.12 |
| 3 | BRIGHT OPS | 106 | 34 | 5.15 | $4.97 |
| 4 | FREEDOM FOREVER | 59 | 5 | 5.3 | $5.09 |
| 5 | NORTH VALLEY | 57 | 13 | 5.6 | $5.74 |
| 6 | V3 ELECTRIC | 49 | 0 | 4.74 | $4.26 |
| 7 | ESP CONTRACTING | 48 | 1 | 4.14 | $4.18 |
| 8 | HIGH DEFINITION SOLAR | 38 | 0 | 2.55 | $8.93 |
| 9 | PETERSENDEAN | 32 | 0 | 5.75 | $3.91 |
| 10 | AMERICAN ARRAY SOLAR | 31 | 0 | 3.97 | $3.64 |
| 11 | SUNPOWER | 31 | 0 | 5.57 | $6.32 |
| 12 | SOLCIUS | 26 | 0 | 3.99 | $5.97 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94503 American Canyon | 2.4 km | 1,946 | $4.34 | 45 |
| 94590 Vallejo | 6.6 km | 1,190 | $5.03 | 47 |
| 94591 Vallejo | 8.9 km | 3,769 | $4.68 | 48 |
| 94525 Crockett | 13.0 km | 205 | $5.12 | 35 |
| 94572 Rodeo | 14.3 km | 474 | $5.04 | 37 |
| 94510 Benicia | 14.4 km | 2,198 | $4.51 | 53 |
Same city
Other zips in Vallejo
Equipment
What gets installed in 94589
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA23.6%
CSI SOLAR10.6%
REC SOLAR8.8%
LONGI GREEN ENERGY TECHNOLOGY8.5%
JA SOLAR6.8%
Inverters
SOLAREDGE40.8%
ENPHASE ENERGY28.4%
TESLA7.5%
ABB5.5%
FRONIUS USA4.3%
Frequently asked
Quick answers about 94589
How many solar installations are there in 94589?
SolarDNA counts 1,463 active solar installations in Vallejo 94589, 1,443 of them residential, with data through April 24, 2026.
How much does solar cost in 94589?
The median residential system in 94589 cost $5.10 per watt over the trailing twelve months, $0.84/W above the California median.
Is solar growing in 94589?
Installations in 94589 are down 1.5%: 129 in the trailing twelve months versus 131 before.
Who installs solar in 94589?
SUNRUN, TESLA, BRIGHT OPS lead the 184 installers with systems in 94589. The full comp set is above.
Is 94589 a good market for solar sales?
94589 scores 41 out of 100 (Good, higher than 45% of U.S. zip markets).