Antioch, CA 94509 solar market data
Updated April 2, 2026 By The SolarDNA Data Team
Antioch 94509 has 5,579 solar installations at a median installed cost of $4.56/W, installations down 16.8% over the trailing twelve months, and a Market Score of 43 — higher than 55% of U.S. zip markets.
Versus California
How 94509 compares with the state
Installed cost
$0.29/W above
state median $4.26/W
Market score
43 vs 53
California scores 53
Share of state installs
0.25%
of 2.3M tracked statewide
Battery attach
10.2%
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: 261–319 installs (midpoint 290)
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
94509 by year
317 installs in the trailing twelve months vs 381 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94509
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 1,575 | 93 | 6.8 | $4.54 |
| 2 | TESLA | 525 | 14 | 6.2 | $5.12 |
| 3 | BRIGHT OPS | 404 | 68 | 6.42 | $4.50 |
| 4 | CITADEL ROOFING AND SOLAR | 214 | 0 | 3.99 | $2.85 |
| 5 | FREEDOM FOREVER | 195 | 24 | 6.89 | $5.24 |
| 6 | EMPOWER ELECTRIC | 137 | 0 | 6.39 | $5.55 |
| 7 | PETERSENDEAN | 130 | 0 | 6.26 | $3.82 |
| 8 | WEST COAST SOLAR | 107 | 2 | 7.62 | $3.79 |
| 9 | SUNPOWER | 106 | 0 | 44.67 | $5.14 |
| 10 | AMERICAN ARRAY SOLAR | 100 | 0 | 5.51 | $4.94 |
| 11 | V3 ELECTRIC | 79 | 14 | 5.56 | $5.32 |
| 12 | BETTER EARTH | 68 | 0 | 7.35 | $5.32 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94531 Antioch | 4.3 km | 7,002 | $4.25 | 44 |
| 94561 Oakley | 9.2 km | 6,572 | $4.25 | 51 |
| 94565 Pittsburg | 9.5 km | 6,737 | $4.56 | 47 |
| 94517 Clayton | 12.4 km | 1,440 | $4.37 | 43 |
| 94513 Brentwood | 12.5 km | 11,478 | $4.25 | 48 |
| 94548 Knightsen | 12.8 km | 80 | $3.81 | 41 |
Same city
Other zips in Antioch
Equipment
What gets installed in 94509
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA17.3%
LONGI GREEN ENERGY TECHNOLOGY10.9%
YINGLI ENERGY CHINA9.6%
CSI SOLAR7.4%
JINKO SOLAR7.1%
Inverters
ENPHASE ENERGY40.2%
SOLAREDGE33.9%
TESLA4.5%
FRONIUS USA3.7%
ABB3.3%
Frequently asked
Quick answers about 94509
How many solar installations are there in 94509?
SolarDNA counts 5,579 active solar installations in Antioch 94509, 5,498 of them residential, with data through April 2, 2026.
How much does solar cost in 94509?
The median residential system in 94509 cost $4.56 per watt over the trailing twelve months, $0.29/W above the California median.
Is solar growing in 94509?
Installations in 94509 are down 16.8%: 317 in the trailing twelve months versus 381 before.
Who installs solar in 94509?
SUNRUN, TESLA, BRIGHT OPS lead the 346 installers with systems in 94509. The full comp set is above.
Is 94509 a good market for solar sales?
94509 scores 43 out of 100 (Good, higher than 55% of U.S. zip markets).