Tustin, CA 92782 solar market data
Updated April 28, 2026 By The SolarDNA Data Team
Tustin 92782 has 1,651 solar installations at a median installed cost of $4.25/W, installations down 32.5% over the trailing twelve months, and a Market Score of 39 — higher than 29% of U.S. zip markets.
Versus California
How 92782 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.07%
of 2.3M tracked statewide
Battery attach
16.7%
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: 55–75 installs (midpoint 65)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
92782 by year
77 installs in the trailing twelve months vs 114 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92782
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNPOWER | 465 | 0 | 4.56 | $4.25 |
| 2 | TESLA | 275 | 6 | 7.41 | $4.30 |
| 3 | SUNRUN | 123 | 14 | 8.27 | $4.29 |
| 4 | SUNSTREET ENERGY GROUP | 57 | 0 | 2.64 | $3.20 |
| 5 | SOLAR OPTIMUM DESIGN ELECTRIC | 48 | 0 | 7.97 | $2.91 |
| 6 | ORANGE COUNTY CONTRACTING SERVICES | 29 | 8 | 8.94 | $3.11 |
| 7 | AIKYUM | 25 | 0 | 7.24 | $2.95 |
| 8 | SULLIVAN SOLAR POWER | 22 | 0 | 7.56 | $4.25 |
| 9 | ALTAIR SOLAR | 21 | 0 | 8.32 | $2.71 |
| 10 | SOLARMAX | 19 | 0 | 6.6 | $3.16 |
| 11 | FREEDOM FOREVER | 18 | 2 | 7.45 | $3.57 |
| 12 | VERENGO | 18 | 0 | 6.33 | $4.56 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92705 Santa Ana | 2.2 km | 2,917 | $4.11 | 62 |
| 92780 Tustin | 3.3 km | 1,606 | $4.09 | 60 |
| 92602 Irvine | 3.8 km | 2,222 | $3.89 | 56 |
| 92711 Santa Ana | 3.9 km | 7 | $8.99 | 28 |
| 92620 Irvine | 4.7 km | 2,971 | $4.00 | 55 |
| 92604 Irvine | 5.0 km | 927 | $4.20 | 51 |
Same city
Other zips in Tustin
Equipment
What gets installed in 92782
Share of systems with a recorded brand
Modules
SUNPOWER24.3%
QCELLS NORTH AMERICA23.9%
LG ELECTRONICS8.9%
REC GROUP5.4%
TESLA5.2%
Inverters
ENPHASE ENERGY36.4%
SOLAREDGE23.2%
SUNPOWER20.0%
TESLA5.4%
ABB2.9%
Frequently asked
Quick answers about 92782
How many solar installations are there in 92782?
SolarDNA counts 1,651 active solar installations in Tustin 92782, 1,635 of them residential, with data through April 28, 2026.
How much does solar cost in 92782?
The median residential system in 92782 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 92782?
Installations in 92782 are down 32.5%: 77 in the trailing twelve months versus 114 before.
Who installs solar in 92782?
SUNPOWER, TESLA, SUNRUN lead the 225 installers with systems in 92782. The full comp set is above.
Is 92782 a good market for solar sales?
92782 scores 39 out of 100 (Fair, higher than 29% of U.S. zip markets).