West Covina, CA 91792 solar market data
Updated May 12, 2026 By The SolarDNA Data Team
West Covina 91792 has 853 solar installations at a median installed cost of $4.51/W, installations up 4.0% over the trailing twelve months, and a Market Score of 42 — higher than 54% of U.S. zip markets.
Versus California
How 91792 compares with the state
Installed cost
$0.24/W above
state median $4.26/W
Market score
42 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
19.2%
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: 48–58 installs (midpoint 53)
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
91792 by year
52 installs in the trailing twelve months vs 50 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91792
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 154 | 3 | 5.41 | $5.12 |
| 2 | SUNRUN | 109 | 9 | 6.81 | $3.92 |
| 3 | SUNPOWER | 43 | 0 | 18.12 | $4.88 |
| 4 | FREEDOM FOREVER | 38 | 3 | 7.45 | $3.94 |
| 5 | CLEAN INITIATIVE | 19 | 0 | 5.59 | $3.65 |
| 6 | BRIGHT OPS | 16 | 1 | 9.94 | $3.79 |
| 7 | ESP CONTRACTING | 15 | 0 | 6.18 | $3.84 |
| 8 | SWSS ELECTRIC | 15 | 0 | 7.05 | $3.09 |
| 9 | VERENGO | 15 | 0 | 5.26 | $4.30 |
| 10 | SEMPER SOLARIS | 14 | 0 | 6.9 | $4.22 |
| 11 | SUNGEVITY | 13 | 0 | 6.89 | $3.69 |
| 12 | V3 ELECTRIC | 11 | 4 | 8.5 | $3.56 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91788 Walnut | 3.0 km | 32 | $3.16 | 44 |
| 91744 La Puente | 3.7 km | 2,074 | $4.51 | 39 |
| 91789 Walnut | 4.0 km | 2,853 | $4.18 | 49 |
| 91748 Rowland Heights | 4.6 km | 1,783 | $4.35 | 45 |
| 91791 West Covina | 4.7 km | 1,975 | $4.22 | 46 |
| 91790 West Covina | 6.1 km | 1,927 | $4.25 | 47 |
Same city
Other zips in West Covina
Equipment
What gets installed in 91792
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA21.2%
KYOCERA SOLAR11.0%
CSI SOLAR8.8%
SUNPOWER7.4%
LONGI GREEN ENERGY TECHNOLOGY5.5%
Inverters
SOLAREDGE37.7%
ENPHASE ENERGY27.1%
ABB12.9%
SUNPOWER5.0%
TESLA5.0%
Frequently asked
Quick answers about 91792
How many solar installations are there in 91792?
SolarDNA counts 853 active solar installations in West Covina 91792, 843 of them residential, with data through May 12, 2026.
How much does solar cost in 91792?
The median residential system in 91792 cost $4.51 per watt over the trailing twelve months, $0.24/W above the California median.
Is solar growing in 91792?
Installations in 91792 are up 4.0%: 52 in the trailing twelve months versus 50 before.
Who installs solar in 91792?
TESLA, SUNRUN, SUNPOWER lead the 213 installers with systems in 91792. The full comp set is above.
Is 91792 a good market for solar sales?
91792 scores 42 out of 100 (Good, higher than 54% of U.S. zip markets).