Fullerton, CA 92833 solar market data
Updated April 24, 2026 By The SolarDNA Data Team
Fullerton 92833 has 1,965 solar installations at a median installed cost of $4.17/W, installations up 0.8% over the trailing twelve months, and a Market Score of 49 — higher than 84% of U.S. zip markets.
Versus California
How 92833 compares with the state
Installed cost
$0.09/W below
state median $4.26/W
Market score
49 vs 53
California scores 53
Share of state installs
0.09%
of 2.3M tracked statewide
Battery attach
18.0%
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: 108–132 installs (midpoint 120)
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
92833 by year
120 installs in the trailing twelve months vs 119 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92833
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 263 | 41 | 6.63 | $4.24 |
| 2 | TESLA | 237 | 5 | 11.23 | $5.10 |
| 3 | FREEDOM FOREVER | 76 | 9 | 6.97 | $4.36 |
| 4 | SWSS ELECTRIC | 65 | 1 | 7.22 | $1.51 |
| 5 | BRIGHT OPS | 57 | 4 | 7.79 | $4.62 |
| 6 | SUNPOWER | 50 | 0 | 6.28 | $5.58 |
| 7 | ELIONE ENERGY | 48 | 4 | 8.86 | $2.89 |
| 8 | SUNGEVITY | 42 | 0 | 6.04 | $3.52 |
| 9 | SOLARMAX | 33 | 0 | 6.9 | $3.17 |
| 10 | ESP CONTRACTING | 31 | 0 | 6.18 | $4.54 |
| 11 | KBC ENERGY GROUP | 26 | 5 | 9.74 | $3.12 |
| 12 | BETTER EARTH | 26 | 0 | 7.97 | $5.20 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92832 Fullerton | 2.8 km | 713 | $4.34 | 42 |
| 90621 Buena Park | 3.2 km | 1,278 | $4.25 | 53 |
| 92835 Fullerton | 5.2 km | 1,790 | $4.04 | 60 |
| 92831 Fullerton | 5.7 km | 1,229 | $4.19 | 51 |
| 90638 La Mirada | 6.1 km | 2,094 | $4.43 | 59 |
| 90620 Buena Park | 6.1 km | 2,347 | $4.38 | 49 |
Same city
Other zips in Fullerton
Equipment
What gets installed in 92833
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA26.2%
SUNPOWER7.4%
REC GROUP6.1%
CSI SOLAR6.0%
LG ELECTRONICS5.2%
Inverters
SOLAREDGE35.9%
ENPHASE ENERGY35.0%
TESLA6.0%
SUNPOWER5.1%
ABB4.9%
Frequently asked
Quick answers about 92833
How many solar installations are there in 92833?
SolarDNA counts 1,965 active solar installations in Fullerton 92833, 1,927 of them residential, with data through April 24, 2026.
How much does solar cost in 92833?
The median residential system in 92833 cost $4.17 per watt over the trailing twelve months, $0.09/W below the California median.
Is solar growing in 92833?
Installations in 92833 are up 0.8%: 120 in the trailing twelve months versus 119 before.
Who installs solar in 92833?
SUNRUN, TESLA, FREEDOM FOREVER lead the 360 installers with systems in 92833. The full comp set is above.
Is 92833 a good market for solar sales?
92833 scores 49 out of 100 (Great, higher than 84% of U.S. zip markets).