Glendora, CA 91741 solar market data
Updated May 7, 2026 By The SolarDNA Data Team
Glendora 91741 has 1,925 solar installations at a median installed cost of $4.25/W, installations up 17.8% over the trailing twelve months, and a Market Score of 52 — higher than 95% of U.S. zip markets.
Zip Market Score
Excellent · higher than 95% of zips
Versus California
How 91741 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
52 vs 53
California scores 53
Share of state installs
0.09%
of 2.3M tracked statewide
Battery attach
16.0%
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: 123–151 installs (midpoint 137)
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
91741 by year
126 installs in the trailing twelve months vs 107 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91741
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNPOWER | 324 | 1 | 3.1 | $4.50 |
| 2 | TESLA | 179 | 12 | 8.49 | $4.82 |
| 3 | SUNRUN | 150 | 30 | 9.02 | $3.85 |
| 4 | FREEDOM FOREVER | 48 | 9 | 10.82 | $3.75 |
| 5 | HPM SOLAR | 38 | 2 | 8.7 | $3.35 |
| 6 | SOLARMAX | 38 | 0 | 8.49 | $3.30 |
| 7 | FUTURE ENERGY SAVERS | 32 | 0 | 4.88 | $8.41 |
| 8 | VERENGO | 32 | 0 | 6.69 | $4.65 |
| 9 | SUNGEVITY | 31 | 0 | 8.09 | $3.77 |
| 10 | SUNLUX ENERGY | 25 | 0 | 8.77 | $3.42 |
| 11 | POWUR | 24 | 0 | 10.25 | $4.66 |
| 12 | SOLAR OPTIMUM DESIGN ELECTRIC | 24 | 0 | 10.07 | $2.62 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91740 Glendora | 3.0 km | 1,134 | $4.23 | 49 |
| 91773 San Dimas | 6.2 km | 1,629 | $4.05 | 45 |
| 91702 Azusa | 6.3 km | 316 | $4.50 | 39 |
| 91724 Covina | 6.8 km | 1,483 | $4.12 | 41 |
| 91750 La Verne | 7.9 km | 2,196 | $4.30 | 49 |
| 91723 Covina | 8.4 km | 856 | $4.25 | 37 |
Same city
Other zips in Glendora
Equipment
What gets installed in 91741
Share of systems with a recorded brand
Modules
SUNPOWER22.5%
QCELLS NORTH AMERICA18.6%
CSI SOLAR6.0%
REC GROUP5.4%
LG ELECTRONICS5.1%
Inverters
ENPHASE ENERGY35.2%
SOLAREDGE23.6%
SUNPOWER14.2%
SMA AMERICA6.7%
POWER-ONE4.9%
Frequently asked
Quick answers about 91741
How many solar installations are there in 91741?
SolarDNA counts 1,925 active solar installations in Glendora 91741, 1,909 of them residential, with data through May 7, 2026.
How much does solar cost in 91741?
The median residential system in 91741 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 91741?
Installations in 91741 are up 17.8%: 126 in the trailing twelve months versus 107 before.
Who installs solar in 91741?
SUNPOWER, TESLA, SUNRUN lead the 360 installers with systems in 91741. The full comp set is above.
Is 91741 a good market for solar sales?
91741 scores 52 out of 100 (Excellent, higher than 95% of U.S. zip markets).