Rancho Cucamonga, CA 91701 solar market data
Updated May 4, 2026 By The SolarDNA Data Team
Rancho Cucamonga 91701 has 2,764 solar installations at a median installed cost of $4.25/W, installations up 11.5% over the trailing twelve months, and a Market Score of 51 — higher than 93% of U.S. zip markets.
Zip Market Score
Excellent · higher than 93% of zips
Versus California
How 91701 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
51 vs 53
California scores 53
Share of state installs
0.12%
of 2.3M tracked statewide
Battery attach
17.6%
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: 157–191 installs (midpoint 174)
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
91701 by year
165 installs in the trailing twelve months vs 148 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91701
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 369 | 36 | 8.08 | $4.21 |
| 2 | TESLA | 301 | 19 | 9.48 | $4.97 |
| 3 | BRIGHT OPS | 141 | 9 | 7.78 | $4.30 |
| 4 | SUNGEVITY | 99 | 0 | 6.99 | $4.26 |
| 5 | FREEDOM FOREVER | 81 | 11 | 7.58 | $3.88 |
| 6 | SUNPOWER | 79 | 0 | 7.97 | $4.51 |
| 7 | SOLARMAX | 70 | 0 | 8.47 | $3.44 |
| 8 | V3 ELECTRIC | 43 | 8 | 7.94 | $4.32 |
| 9 | SEMPER SOLARIS | 43 | 1 | 7.4 | $4.34 |
| 10 | TG ROOFING AND SOLAR ELECTRIC | 38 | 0 | 9.65 | $3.83 |
| 11 | FUTURE ENERGY SAVERS | 35 | 0 | 5.09 | $6.44 |
| 12 | ESP CONTRACTING | 30 | 0 | 7.67 | $4.19 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91737 Rancho Cucamonga | 2.1 km | 1,916 | $4.07 | 61 |
| 91730 Rancho Cucamonga | 3.4 km | 2,511 | $4.20 | 57 |
| 91729 Rancho Cucamonga | 3.5 km | 15 | $3.57 | 42 |
| 91784 Upland | 5.4 km | 2,611 | $4.24 | 53 |
| 91785 Upland | 6.0 km | 6 | $8.48 | 28 |
| 91786 Upland | 6.0 km | 2,225 | $4.14 | 50 |
Same city
Other zips in Rancho Cucamonga
Equipment
What gets installed in 91701
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA20.5%
SUNPOWER9.6%
LONGI GREEN ENERGY TECHNOLOGY7.5%
CSI SOLAR6.7%
LG ELECTRONICS4.7%
Inverters
SOLAREDGE34.8%
ENPHASE ENERGY31.3%
SUNPOWER6.8%
SMA AMERICA6.1%
TESLA5.3%
Frequently asked
Quick answers about 91701
How many solar installations are there in 91701?
SolarDNA counts 2,764 active solar installations in Rancho Cucamonga 91701, 2,749 of them residential, with data through May 4, 2026.
How much does solar cost in 91701?
The median residential system in 91701 cost $4.25 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 91701?
Installations in 91701 are up 11.5%: 165 in the trailing twelve months versus 148 before.
Who installs solar in 91701?
SUNRUN, TESLA, BRIGHT OPS lead the 400 installers with systems in 91701. The full comp set is above.
Is 91701 a good market for solar sales?
91701 scores 51 out of 100 (Excellent, higher than 93% of U.S. zip markets).