Montrose, CA 91020 solar market data
Updated May 12, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Montrose 91020 has 87 solar installations at a median installed cost of $4.30/W, recent growth not yet measurable, and a Market Score of 39 — higher than 30% of U.S. zip markets.
Versus California
How 91020 compares with the state
Installed cost
$0.04/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.00%
of 2.3M tracked statewide
Battery attach
24.1%
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
91020 by year
12 installs in the trailing twelve months vs 9 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91020
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 9 | 0 | 7.13 | $4.19 |
| 2 | SUNRUN | 6 | 1 | 5.97 | $4.83 |
| 3 | MARKIS CONSTRUCTION | 4 | 0 | 2.63 | $10.81 |
| 4 | SOLAR OPTIMUM DESIGN ELECTRIC | 4 | 0 | 8.53 | $3.29 |
| 5 | AMECO SOLAR | 2 | 2 | 13.11 | $3.54 |
| 6 | ORANGE COUNTY CONTRACTING SERVICES | 2 | 2 | 12.04 | — |
| 7 | GREEN ROAD SOLAR | 2 | 1 | 12.83 | $3.48 |
| 8 | N R G CLEAN POWER | 2 | 1 | 4.97 | $4.35 |
| 9 | AMERICAN SOLAR DIRECT | 2 | 0 | 4.83 | $6.15 |
| 10 | AWS ELECTRIC SOLAR | 2 | 0 | 5.11 | $5.27 |
| 11 | AXIA SOLAR | 2 | 0 | 7.31 | — |
| 12 | ELIGHT ELECTRIC | 2 | 0 | 4.13 | — |
Equipment
What gets installed in 91020
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA24.1%
REC GROUP12.7%
SUNPOWER10.1%
CSI SOLAR6.3%
LG ELECTRONICS6.3%
Inverters
ENPHASE ENERGY35.3%
SOLAREDGE23.5%
TESLA8.2%
SMA AMERICA7.1%
ABB4.7%
Frequently asked
Quick answers about 91020
How many solar installations are there in 91020?
SolarDNA counts 87 active solar installations in Montrose 91020, 87 of them residential, with data through May 12, 2026.
How much does solar cost in 91020?
The median residential system in 91020 cost $4.30 per watt over the trailing twelve months, $0.04/W above the California median.
Is solar growing in 91020?
Recent growth cannot be measured yet for 91020: too few recent installs (data runs through May 12, 2026).
Who installs solar in 91020?
TESLA, SUNRUN, MARKIS CONSTRUCTION lead the 54 installers with systems in 91020. The full comp set is above.
Is 91020 a good market for solar sales?
91020 scores 39 out of 100 (Fair, higher than 30% of U.S. zip markets). With under 500 installations the score is provisional.