Westlake Village, CA 91361 solar market data
Updated April 16, 2026 By The SolarDNA Data Team
Westlake Village 91361 has 1,223 solar installations at a median installed cost of $4.26/W, installations up 65.0% over the trailing twelve months, and a Market Score of 57 — higher than 99% of U.S. zip markets.
Zip Market Score
Excellent · higher than 99% of zips
Versus California
How 91361 compares with the state
Installed cost
$0.01/W below
state median $4.26/W
Market score
57 vs 53
California scores 53
Share of state installs
0.05%
of 2.3M tracked statewide
Battery attach
34.3%
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: 129–175 installs (midpoint 152)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
91361 by year
132 installs in the trailing twelve months vs 80 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91361
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 129 | 7 | 10.65 | $4.06 |
| 2 | SUNRUN | 123 | 17 | 8.92 | $4.02 |
| 3 | GREEN CONVERGENCE | 41 | 3 | 12.51 | $4.88 |
| 4 | SUNPOWER | 37 | 0 | 9.96 | $4.64 |
| 5 | VERENGO | 29 | 0 | 7.02 | $4.43 |
| 6 | SEMPER SOLARIS | 28 | 4 | 8.46 | $4.11 |
| 7 | REC SOLAR COMMERCIAL | 26 | 0 | 7.67 | $5.30 |
| 8 | REPOWER LIVERMORE | 26 | 0 | 8.71 | $4.77 |
| 9 | ADVANCED SOLAR ELECTRIC | 23 | 0 | 5.94 | $8.17 |
| 10 | FREEDOM FOREVER | 20 | 3 | 10.89 | $4.13 |
| 11 | SOUTHERN CALIFORNIA SOLAR ENERGY | 20 | 0 | 11.56 | $7.63 |
| 12 | SHELTER ROOFING | 19 | 0 | 8.41 | $5.39 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91362 Thousand Oaks | 5.5 km | 2,352 | $4.22 | 61 |
| 91360 Thousand Oaks | 7.6 km | 3,184 | $4.46 | 60 |
| 91377 Oak Park | 7.8 km | 918 | $4.06 | 56 |
| 91319 Newbury Park | 7.8 km | 9 | $7.60 | 28 |
| 91301 Agoura Hills | 7.9 km | 1,938 | $4.15 | 61 |
| 91320 Newbury Park | 9.6 km | 3,501 | $4.39 | 60 |
Same city
Other zips in Westlake Village
Equipment
What gets installed in 91361
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA14.7%
SUNPOWER12.4%
TESLA8.0%
LG ELECTRONICS7.8%
REC GROUP6.1%
Inverters
ENPHASE ENERGY32.6%
SOLAREDGE25.3%
SMA AMERICA10.2%
SUNPOWER10.0%
TESLA8.0%
Frequently asked
Quick answers about 91361
How many solar installations are there in 91361?
SolarDNA counts 1,223 active solar installations in Westlake Village 91361, 1,197 of them residential, with data through April 16, 2026.
How much does solar cost in 91361?
The median residential system in 91361 cost $4.26 per watt over the trailing twelve months, $0.01/W below the California median.
Is solar growing in 91361?
Installations in 91361 are up 65.0%: 132 in the trailing twelve months versus 80 before.
Who installs solar in 91361?
TESLA, SUNRUN, GREEN CONVERGENCE lead the 286 installers with systems in 91361. The full comp set is above.
Is 91361 a good market for solar sales?
91361 scores 57 out of 100 (Excellent, higher than 99% of U.S. zip markets).