Brea, CA 92821 solar market data
Updated May 7, 2026 By The SolarDNA Data Team
Brea 92821 has 2,159 solar installations at a median installed cost of $4.25/W, installations up 56.5% over the trailing twelve months, and a Market Score of 61 — higher than 99% of U.S. zip markets.
Zip Market Score
Excellent · higher than 99% of zips
Versus California
How 92821 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
61 vs 53
California scores 53
Share of state installs
0.10%
of 2.3M tracked statewide
Battery attach
17.6%
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: 141–191 installs (midpoint 166)
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
92821 by year
144 installs in the trailing twelve months vs 92 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 92821
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 303 | 14 | 6.92 | $5.09 |
| 2 | SUNRUN | 296 | 26 | 9.31 | $4.58 |
| 3 | SUNPOWER | 130 | 0 | 4.82 | $4.25 |
| 4 | PETERSENDEAN | 70 | 0 | 4.13 | $3.79 |
| 5 | VERENGO | 64 | 0 | 6.63 | $4.07 |
| 6 | SOLARMAX | 51 | 0 | 6.97 | $3.35 |
| 7 | BRIGHT OPS | 39 | 11 | 8.49 | $4.31 |
| 8 | SEMPER SOLARIS | 36 | 0 | 7.74 | $3.85 |
| 9 | FREEDOM FOREVER | 35 | 8 | 7.44 | $4.49 |
| 10 | SUNGEVITY | 31 | 0 | 6.46 | $3.81 |
| 11 | SOLAR OPTIMUM DESIGN ELECTRIC | 30 | 0 | 9.39 | $2.97 |
| 12 | ORANGE COUNTY CONTRACTING SERVICES | 29 | 10 | 7.66 | $3.72 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 92835 Fullerton | 3.9 km | 1,790 | $4.04 | 60 |
| 92831 Fullerton | 4.7 km | 1,229 | $4.19 | 51 |
| 90633 La Habra | 5.6 km | 37 | $4.50 | 37 |
| 91748 Rowland Heights | 6.0 km | 1,783 | $4.35 | 45 |
| 90631 La Habra | 6.0 km | 2,833 | $4.25 | 51 |
| 92870 Placentia | 6.7 km | 3,143 | $4.25 | 61 |
Same city
Other zips in Brea
Equipment
What gets installed in 92821
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA19.0%
SUNPOWER12.3%
LG ELECTRONICS6.8%
TRINA SOLAR5.2%
LONGI GREEN ENERGY TECHNOLOGY4.9%
Inverters
ENPHASE ENERGY33.7%
SOLAREDGE29.5%
SUNPOWER9.3%
ABB6.1%
TESLA5.5%
Frequently asked
Quick answers about 92821
How many solar installations are there in 92821?
SolarDNA counts 2,159 active solar installations in Brea 92821, 2,098 of them residential, with data through May 7, 2026.
How much does solar cost in 92821?
The median residential system in 92821 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 92821?
Installations in 92821 are up 56.5%: 144 in the trailing twelve months versus 92 before.
Who installs solar in 92821?
TESLA, SUNRUN, SUNPOWER lead the 369 installers with systems in 92821. The full comp set is above.
Is 92821 a good market for solar sales?
92821 scores 61 out of 100 (Excellent, higher than 99% of U.S. zip markets).