Upland, CA 91784 solar market data
Updated April 28, 2026 By The SolarDNA Data Team
Upland 91784 has 2,611 solar installations at a median installed cost of $4.24/W, installations up 20.0% over the trailing twelve months, and a Market Score of 53 — higher than 97% of U.S. zip markets.
Zip Market Score
Excellent · higher than 97% of zips
Versus California
How 91784 compares with the state
Installed cost
$0.03/W below
state median $4.26/W
Market score
53 vs 53
California scores 53
Share of state installs
0.12%
of 2.3M tracked statewide
Battery attach
19.0%
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: 155–189 installs (midpoint 172)
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
91784 by year
156 installs in the trailing twelve months vs 130 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91784
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 328 | 29 | 9.16 | $4.07 |
| 2 | SUNPOWER | 306 | 0 | 7.09 | $4.25 |
| 3 | TESLA | 280 | 26 | 8.74 | $4.54 |
| 4 | SUNGEVITY | 85 | 0 | 7.11 | $3.97 |
| 5 | SOLARMAX | 77 | 0 | 8.69 | $3.29 |
| 6 | BRIGHT OPS | 57 | 4 | 8.76 | $4.50 |
| 7 | FREEDOM FOREVER | 49 | 3 | 9.63 | $4.37 |
| 8 | VERENGO | 46 | 0 | 5.77 | $3.99 |
| 9 | SEMPER SOLARIS | 39 | 1 | 9.32 | $3.89 |
| 10 | PETERSENDEAN | 36 | 0 | 6.06 | $3.36 |
| 11 | RESTART SOLAR | 34 | 0 | 9.18 | $6.75 |
| 12 | CITADEL ROOFING AND SOLAR | 33 | 1 | 2.43 | $3.13 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91785 Upland | 3.0 km | 6 | $8.48 | 28 |
| 91786 Upland | 3.0 km | 2,225 | $4.14 | 50 |
| 91701 Rancho Cucamonga | 5.4 km | 2,764 | $4.25 | 51 |
| 91711 Claremont | 6.6 km | 2,570 | $4.25 | 61 |
| 91730 Rancho Cucamonga | 7.0 km | 2,511 | $4.20 | 57 |
| 91729 Rancho Cucamonga | 7.1 km | 15 | $3.57 | 42 |
Same city
Other zips in Upland
Equipment
What gets installed in 91784
Share of systems with a recorded brand
Modules
SUNPOWER18.5%
QCELLS NORTH AMERICA17.1%
REC GROUP6.3%
CSI SOLAR5.8%
LG ELECTRONICS5.4%
Inverters
ENPHASE ENERGY32.7%
SOLAREDGE27.1%
SUNPOWER15.3%
TESLA5.7%
SMA AMERICA5.3%
Frequently asked
Quick answers about 91784
How many solar installations are there in 91784?
SolarDNA counts 2,611 active solar installations in Upland 91784, 2,604 of them residential, with data through April 28, 2026.
How much does solar cost in 91784?
The median residential system in 91784 cost $4.24 per watt over the trailing twelve months, $0.03/W below the California median.
Is solar growing in 91784?
Installations in 91784 are up 20.0%: 156 in the trailing twelve months versus 130 before.
Who installs solar in 91784?
SUNRUN, SUNPOWER, TESLA lead the 365 installers with systems in 91784. The full comp set is above.
Is 91784 a good market for solar sales?
91784 scores 53 out of 100 (Excellent, higher than 97% of U.S. zip markets).