Compton, CA 90221 solar market data
Updated April 21, 2026 By The SolarDNA Data Team
Compton 90221 has 682 solar installations at a median installed cost of $5.07/W, installations up 4.5% over the trailing twelve months, and a Market Score of 39 — higher than 32% of U.S. zip markets.
Versus California
How 90221 compares with the state
Installed cost
$0.81/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.03%
of 2.3M tracked statewide
Battery attach
20.2%
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: 64–78 installs (midpoint 71)
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
90221 by year
69 installs in the trailing twelve months vs 66 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 90221
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 105 | 0 | 14.85 | $5.12 |
| 2 | SUNRUN | 88 | 13 | 5.42 | $4.84 |
| 3 | FREEDOM FOREVER | 22 | 2 | 5.98 | $5.57 |
| 4 | SUNGEVITY | 22 | 0 | 4.67 | $4.16 |
| 5 | SOUTH WEST BUILDERS | 19 | 11 | 5.73 | $9.56 |
| 6 | SUNTIME ENERGY | 19 | 0 | 4.67 | $4.67 |
| 7 | COMPLETE SOLAR | 14 | 0 | 4.62 | $3.94 |
| 8 | SKYLINE SMART ENERGY | 11 | 8 | 6.43 | $5.50 |
| 9 | ESP CONTRACTING | 10 | 0 | 7.35 | $5.01 |
| 10 | SWSS ELECTRIC | 10 | 0 | 6.33 | — |
| 11 | BRIGHT OPS | 9 | 2 | 6.21 | $4.31 |
| 12 | CLEAN ENERGY SOLUTION | 9 | 0 | 5.66 | $3.17 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 90220 Compton | 2.2 km | 761 | $4.96 | 51 |
| 90222 Compton | 3.8 km | 473 | $5.05 | 37 |
| 90805 Long Beach | 3.8 km | 1,928 | $4.72 | 52 |
| 90746 Carson | 4.3 km | 1,357 | $4.60 | 52 |
| 90262 Lynwood | 5.2 km | 956 | $5.12 | 36 |
| 90723 Paramount | 5.3 km | 540 | $4.74 | 47 |
Same city
Other zips in Compton
Equipment
What gets installed in 90221
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA15.9%
CSI SOLAR11.2%
KYOCERA SOLAR10.4%
LONGI GREEN ENERGY TECHNOLOGY8.8%
TRINA SOLAR5.8%
Inverters
SOLAREDGE38.7%
ENPHASE ENERGY32.3%
ABB10.0%
SMA AMERICA4.5%
TESLA3.1%
Frequently asked
Quick answers about 90221
How many solar installations are there in 90221?
SolarDNA counts 682 active solar installations in Compton 90221, 655 of them residential, with data through April 21, 2026.
How much does solar cost in 90221?
The median residential system in 90221 cost $5.07 per watt over the trailing twelve months, $0.81/W above the California median.
Is solar growing in 90221?
Installations in 90221 are up 4.5%: 69 in the trailing twelve months versus 66 before.
Who installs solar in 90221?
TESLA, SUNRUN, FREEDOM FOREVER lead the 171 installers with systems in 90221. The full comp set is above.
Is 90221 a good market for solar sales?
90221 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets).