Tustin, CA solar installation & market data
Updated May 5, 2026 By The SolarDNA Data Team
Tustin has 3,257 solar installations across 2 zip codes at a median installed cost of $4.17/W, installations up 19.4% over the trailing twelve months, and an installs-weighted Market Score of 49.
Active installations
3,257
Zip markets
2
Median cost
$4.17/W
12-mo growth
▲ 19.4%
Installers active
429
City Market Score
Great · installs-weighted across 2 zips
Best zip in Tustin scores higher than 99% of U.S. zip markets.
Versus California
How Tustin compares with the state
Installed cost
$0.10/W below
state median $4.26/W
Market score
49 vs 53
California scores 53
Share of state installs
0.14%
of 2.3M tracked statewide
Battery attach
17.3%
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: 237–289 installs (midpoint 263)
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
Tustin by year
240 installs in the trailing twelve months vs 201 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Tustin
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNPOWER | 506 | 2 | 2 | $4.28 |
| 2 | TESLA | 475 | 16 | 2 | $4.64 |
| 3 | SUNRUN | 336 | 70 | 2 | $4.04 |
| 4 | PEAK POWER SOLUTIONS | 85 | 6 | 2 | $4.25 |
| 5 | SOLAR OPTIMUM DESIGN ELECTRIC | 73 | 0 | 2 | $2.98 |
| 6 | ORANGE COUNTY CONTRACTING SERVICES | 66 | 16 | 2 | $3.20 |
| 7 | SUNSTREET ENERGY GROUP | 57 | 0 | 1 | $3.20 |
| 8 | FREEDOM FOREVER | 53 | 7 | 2 | $3.80 |
| 9 | VERENGO | 51 | 0 | 2 | $4.80 |
| 10 | INFINITY ELECTRIC | 41 | 0 | 2 | $2.94 |
| 11 | BRIGHT OPS | 39 | 11 | 2 | $4.87 |
| 12 | SEMPER SOLARIS | 37 | 1 | 2 | $4.47 |
| 13 | SUNGEVITY | 34 | 0 | 2 | $4.04 |
| 14 | AIKYUM | 32 | 0 | 2 | $2.95 |
| 15 | ALTAIR SOLAR | 31 | 0 | 2 | $2.77 |
| 16 | REC SOLAR COMMERCIAL | 28 | 0 | 2 | $3.93 |
| 17 | SOLARMAX | 28 | 0 | 2 | $3.21 |
| 18 | SULLIVAN SOLAR POWER | 27 | 0 | 2 | $4.03 |
| 19 | SOLAR360 BUILDING SERVICES | 25 | 0 | 2 | $3.52 |
| 20 | SWSS ELECTRIC | 24 | 1 | 2 | $2.46 |
| 21 | PETERSENDEAN | 24 | 0 | 2 | $3.91 |
| 22 | BETTER EARTH | 22 | 0 | 2 | $4.52 |
| 23 | AMERICAN SOLAR DIRECT | 22 | 0 | 2 | $4.97 |
| 24 | SOLARTECH ENERGY SYSTEMS | 19 | 0 | 2 | $3.62 |
| 25 | COMPLETE SOLAR | 17 | 5 | 2 | $4.29 |