Downey, CA 90241 solar market data
Updated May 19, 2026 By The SolarDNA Data Team
Downey 90241 has 1,025 solar installations at a median installed cost of $4.25/W, installations up 6.8% over the trailing twelve months, and a Market Score of 45 — higher than 68% of U.S. zip markets.
Versus California
How 90241 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
45 vs 53
California scores 53
Share of state installs
0.05%
of 2.3M tracked statewide
Battery attach
19.1%
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: 73–89 installs (midpoint 81)
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
90241 by year
78 installs in the trailing twelve months vs 73 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 90241
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 143 | 12 | 7.31 | $4.36 |
| 2 | TESLA | 102 | 5 | 6.93 | $5.07 |
| 3 | PGS SOLAR AND SMART HOMES | 37 | 0 | 18.17 | $4.06 |
| 4 | FREEDOM FOREVER | 32 | 6 | 6.19 | $4.03 |
| 5 | VERENGO | 28 | 0 | 6.04 | $4.38 |
| 6 | SKYLINE SMART ENERGY | 25 | 9 | 8.63 | $5.49 |
| 7 | PETERSENDEAN | 21 | 0 | 6.32 | $3.91 |
| 8 | ESP CONTRACTING | 18 | 0 | 6.81 | $5.31 |
| 9 | BRIGHT OPS | 17 | 3 | 8.44 | $4.17 |
| 10 | TITANIUM SOLAR | 17 | 0 | 9.04 | $5.82 |
| 11 | SUNPOWER | 16 | 0 | 26.75 | $5.06 |
| 12 | BETTER EARTH | 14 | 0 | 7.19 | $5.45 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 90240 Downey | 2.2 km | 967 | $4.02 | 57 |
| 90242 Downey | 2.3 km | 909 | $4.65 | 46 |
| 90201 Bell Gardens | 3.3 km | 493 | $5.12 | 49 |
| 90670 Santa Fe Springs | 4.3 km | 885 | $5.14 | 41 |
| 90723 Paramount | 5.8 km | 540 | $4.74 | 47 |
| 90040 Los Angeles | 5.9 km | 204 | $4.11 | 40 |
Same city
Other zips in Downey
Equipment
What gets installed in 90241
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA20.7%
CSI SOLAR8.2%
SUNPOWER6.4%
LONGI GREEN ENERGY TECHNOLOGY5.4%
TRINA SOLAR4.8%
Inverters
ENPHASE ENERGY39.0%
SOLAREDGE32.9%
ABB5.3%
TESLA4.9%
SMA AMERICA4.8%
Frequently asked
Quick answers about 90241
How many solar installations are there in 90241?
SolarDNA counts 1,025 active solar installations in Downey 90241, 987 of them residential, with data through May 19, 2026.
How much does solar cost in 90241?
The median residential system in 90241 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 90241?
Installations in 90241 are up 6.8%: 78 in the trailing twelve months versus 73 before.
Who installs solar in 90241?
SUNRUN, TESLA, PGS SOLAR AND SMART HOMES lead the 260 installers with systems in 90241. The full comp set is above.
Is 90241 a good market for solar sales?
90241 scores 45 out of 100 (Good, higher than 68% of U.S. zip markets).