Winnetka, CA 91306 solar market data
Updated July 23, 2019Older data · growth withheld By The SolarDNA Data Team
Winnetka 91306 has 814 solar installations at a median installed cost of $4.97/W, recent growth not yet measurable, and a Market Score of 39 — higher than 32% of U.S. zip markets.
Versus California
How 91306 compares with the state
Installed cost
$0.71/W above
state median $4.26/W
Market score
39 vs 53
California scores 53
Share of state installs
0.04%
of 2.3M tracked statewide
Battery attach
0.1%
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
91306 by year
89 installs in the trailing twelve months vs 77 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91306
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 325 | 0 | 6.28 | $5.10 |
| 2 | SUNRUN | 43 | 0 | 6.72 | $3.54 |
| 3 | VERENGO | 35 | 0 | 7.46 | $4.46 |
| 4 | PACIFICSKY SOLAR | 23 | 0 | 5.56 | $4.71 |
| 5 | PETERSENDEAN | 23 | 0 | 6.25 | $4.00 |
| 6 | SMART ENERGY USA | 23 | 0 | 5.97 | $4.60 |
| 7 | SUNGEVITY | 19 | 0 | 5.38 | $4.71 |
| 8 | LA SOLAR GROUP | 18 | 0 | 7.54 | $3.36 |
| 9 | ADR ELECTRIC | 13 | 0 | 5.38 | $5.48 |
| 10 | GREEN CONVERGENCE | 13 | 0 | 6.65 | $4.56 |
| 11 | A1 SOLAR POWER | 11 | 0 | 4.83 | $7.00 |
| 12 | RGS ENERGY | 10 | 0 | 6.56 | $4.98 |
Equipment
What gets installed in 91306
Share of systems with a recorded brand
Modules
KYOCERA SOLAR21.3%
TRINA SOLAR16.1%
SUNPOWER15.1%
LG ELECTRONICS6.7%
CSI SOLAR6.1%
Inverters
SOLAREDGE26.6%
ABB17.8%
POWER-ONE16.8%
SMA AMERICA12.1%
ENPHASE ENERGY9.8%
Frequently asked
Quick answers about 91306
How many solar installations are there in 91306?
SolarDNA counts 814 active solar installations in Winnetka 91306, 811 of them residential, with data through July 23, 2019.
How much does solar cost in 91306?
The median residential system in 91306 cost $4.97 per watt over the trailing twelve months, $0.71/W above the California median.
Is solar growing in 91306?
Recent growth cannot be measured yet for 91306: insufficient recent data (data runs through July 23, 2019).
Who installs solar in 91306?
TESLA, SUNRUN, VERENGO lead the 131 installers with systems in 91306. The full comp set is above.
Is 91306 a good market for solar sales?
91306 scores 39 out of 100 (Good, higher than 32% of U.S. zip markets).