Castroville, CA 95012 solar market data
Updated May 13, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Castroville 95012 has 384 solar installations at a median installed cost of $4.94/W, recent growth not yet measurable, and a Market Score of 37 — higher than 18% of U.S. zip markets.
Versus California
How 95012 compares with the state
Installed cost
$0.68/W above
state median $4.26/W
Market score
37 vs 53
California scores 53
Share of state installs
0.02%
of 2.3M tracked statewide
Battery attach
9.1%
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
Growth & pricing
95012 by year
29 installs in the trailing twelve months vs 9 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 95012
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 130 | 17 | 7.04 | $4.48 |
| 2 | TESLA | 57 | 0 | 5.06 | $5.12 |
| 3 | BRIGHT FUTURE SOLAR ENERGY | 7 | 1 | 34.42 | $4.34 |
| 4 | ALLTERRA SOLAR | 6 | 1 | 7.5 | $4.94 |
| 5 | CALIFORNIA SOLAR SYSTEMS | 6 | 0 | 5.14 | $3.91 |
| 6 | SOLAR TECHNOLOGIES | 5 | 1 | 66.06 | $7.90 |
| 7 | ESP CONTRACTING | 5 | 0 | 5.72 | $4.63 |
| 8 | SCUDDER ROOFING SUN ENERGY | 5 | 0 | 13.39 | $4.09 |
| 9 | SUNGEVITY | 5 | 0 | 6.45 | $4.13 |
| 10 | SOLCIUS | 4 | 0 | 3.83 | $7.25 |
| 11 | BRIGHT OPS | 3 | 2 | 5.8 | — |
| 12 | ENGIE SERVICES USA | 3 | 0 | 282.8 | — |
Equipment
What gets installed in 95012
Share of systems with a recorded brand
Modules
YINGLI ENERGY CHINA15.6%
REC SOLAR10.9%
TRINA SOLAR9.8%
JINKO SOLAR7.6%
SUNPOWER7.1%
Inverters
SOLAREDGE28.0%
ENPHASE ENERGY26.4%
SMA AMERICA8.5%
ABB8.3%
TESLA5.6%
Frequently asked
Quick answers about 95012
How many solar installations are there in 95012?
SolarDNA counts 384 active solar installations in Castroville 95012, 366 of them residential, with data through May 13, 2026.
How much does solar cost in 95012?
The median residential system in 95012 cost $4.94 per watt over the trailing twelve months, $0.68/W above the California median.
Is solar growing in 95012?
Recent growth cannot be measured yet for 95012: too few recent installs (data runs through May 13, 2026).
Who installs solar in 95012?
SUNRUN, TESLA, BRIGHT FUTURE SOLAR ENERGY lead the 58 installers with systems in 95012. The full comp set is above.
Is 95012 a good market for solar sales?
95012 scores 37 out of 100 (Fair, higher than 18% of U.S. zip markets). With under 500 installations the score is provisional.