Mount Baldy, CA 91759 solar market data
Updated January 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Mount Baldy 91759 has 8 solar installations at a median installed cost of $5.97/W, recent growth not yet measurable, and a Market Score of 30 — higher than 4% of U.S. zip markets.
Versus California
How 91759 compares with the state
Installed cost
$1.70/W above
state median $4.26/W
Market score
30 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
25.0%
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
Growth & pricing
91759 by year
1 installs in the trailing twelve months vs 0 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91759
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | ENERGY HARVESTER | 2 | 0 | 2.7 | $9.80 |
| 2 | ORANGE COUNTY CONTRACTING SERVICES | 1 | 1 | 12.15 | $5.04 |
| 3 | CALIFORNIA HOME SOLAR | 1 | 0 | 4.96 | $6.05 |
| 4 | JACKSON TECHNOLOGY | 1 | 0 | 1.41 | $5.89 |
| 5 | SUN CITY ELECTRIC | 1 | 0 | 17.28 | — |
| 6 | SUNPOWER | 1 | 0 | 6.8 | $7.21 |
| 7 | SUNRUN | 1 | 0 | 11.85 | $3.23 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91784 Upland | 10.6 km | 2,611 | $4.24 | 53 |
| 91701 Rancho Cucamonga | 12.3 km | 2,764 | $4.25 | 51 |
| 91737 Rancho Cucamonga | 12.4 km | 1,916 | $4.07 | 61 |
| 92358 Lytle Creek | 13.2 km | 48 | $4.00 | 40 |
| 91786 Upland | 13.5 km | 2,225 | $4.14 | 50 |
| 91785 Upland | 13.5 km | 6 | $8.48 | 28 |
Equipment
What gets installed in 91759
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA33.3%
JA SOLAR16.7%
MISSION SOLAR ENERGY16.7%
SILIKEN CANADA16.7%
SUNPOWER16.7%
Inverters
ENPHASE ENERGY25.0%
SOLAREDGE25.0%
PV POWERED12.5%
SMA AMERICA12.5%
SUNPOWER12.5%
Frequently asked
Quick answers about 91759
How many solar installations are there in 91759?
SolarDNA counts 8 active solar installations in Mount Baldy 91759, 8 of them residential, with data through January 30, 2026.
How much does solar cost in 91759?
The median residential system in 91759 cost $5.97 per watt over the trailing twelve months, $1.70/W above the California median.
Is solar growing in 91759?
Recent growth cannot be measured yet for 91759: too few recent installs (data runs through January 30, 2026).
Who installs solar in 91759?
ENERGY HARVESTER, ORANGE COUNTY CONTRACTING SERVICES, CALIFORNIA HOME SOLAR lead the 7 installers with systems in 91759. The full comp set is above.
Is 91759 a good market for solar sales?
91759 scores 30 out of 100 (Weak, higher than 4% of U.S. zip markets). With under 500 installations the score is provisional.