Antioch, CA solar installation & market data
Updated April 20, 2026 By The SolarDNA Data Team
Antioch has 12,581 solar installations across 2 zip codes at a median installed cost of $4.39/W, installations down 18.4% over the trailing twelve months, and an installs-weighted Market Score of 43.
Active installations
12,581
Zip markets
2
Median cost
$4.39/W
12-mo growth
▼ 18.4%
Installers active
469
City Market Score
Good · installs-weighted across 2 zips
Best zip in Antioch scores higher than 58% of U.S. zip markets.
Versus California
How Antioch compares with the state
Installed cost
$0.12/W above
state median $4.26/W
Market score
43 vs 53
California scores 53
Share of state installs
0.56%
of 2.3M tracked statewide
Battery attach
9.7%
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: 671–821 installs (midpoint 746)
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
Antioch by year
822 installs in the trailing twelve months vs 1,007 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Antioch
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 2,935 | 290 | 2 | $4.40 |
| 2 | TESLA | 1,351 | 48 | 2 | $5.12 |
| 3 | SUNPOWER | 1,136 | 1 | 2 | $4.34 |
| 4 | BRIGHT OPS | 750 | 86 | 2 | $4.44 |
| 5 | CITADEL ROOFING AND SOLAR | 713 | 80 | 2 | $2.85 |
| 6 | FREEDOM FOREVER | 387 | 64 | 2 | $5.02 |
| 7 | INFINITY ENERGY | 306 | 1 | 2 | $3.88 |
| 8 | PETERSENDEAN | 262 | 0 | 2 | $3.75 |
| 9 | WEST COAST SOLAR | 252 | 4 | 2 | $3.88 |
| 10 | AMERICAN ARRAY SOLAR | 207 | 0 | 2 | $4.64 |
| 11 | EMPOWER ELECTRIC | 179 | 0 | 2 | $5.54 |
| 12 | V3 ELECTRIC | 131 | 16 | 2 | $4.84 |
| 13 | VISION SOLAR | 129 | 0 | 2 | $3.28 |
| 14 | BETTER EARTH | 122 | 0 | 2 | $5.36 |
| 15 | FUTURE ENERGY SAVERS | 116 | 4 | 2 | $7.91 |
| 16 | SUNGEVITY | 114 | 0 | 2 | $3.69 |
| 17 | SEMPER SOLARIS | 113 | 8 | 2 | $4.12 |
| 18 | COMPLETE SOLAR | 108 | 9 | 2 | $4.56 |
| 19 | BRIGHT PLANET SOLAR | 93 | 0 | 2 | $3.94 |
| 20 | KOTA CONSTRUCTION | 88 | 0 | 2 | $4.92 |
| 21 | ESP CONTRACTING | 82 | 5 | 2 | $4.00 |
| 22 | DEL SOL ENERGY | 75 | 0 | 2 | $3.56 |
| 23 | VISION INSTALLATION | 69 | 0 | 2 | — |
| 24 | FIDELITY HOME ENERGY | 68 | 0 | 2 | $6.26 |
| 25 | DIABLO SOLAR SERVICES | 66 | 2 | 2 | $4.12 |