Chatsworth, CA 91311 solar market data
Updated May 8, 2026 By The SolarDNA Data Team
Chatsworth 91311 has 1,309 solar installations at a median installed cost of $4.68/W, installations up 11.4% over the trailing twelve months, and a Market Score of 46 — higher than 71% of U.S. zip markets.
Versus California
How 91311 compares with the state
Installed cost
$0.41/W above
state median $4.26/W
Market score
46 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
15.6%
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: 84–102 installs (midpoint 93)
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
91311 by year
88 installs in the trailing twelve months vs 79 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 91311
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 264 | 2 | 10.32 | $4.98 |
| 2 | SUNRUN | 148 | 48 | 6.98 | $3.74 |
| 3 | SUNPOWER | 80 | 6 | 4.27 | $4.25 |
| 4 | VERENGO | 34 | 0 | 7.26 | $4.75 |
| 5 | LOS ANGELES SOLAR PROS | 31 | 10 | 9.53 | $5.11 |
| 6 | LA SOLAR GROUP | 31 | 0 | 9.17 | $3.38 |
| 7 | SUNGEVITY | 27 | 0 | 6.43 | $4.06 |
| 8 | ADR ELECTRIC | 25 | 0 | 8.58 | $5.66 |
| 9 | GREEN CONVERGENCE | 24 | 1 | 7.9 | $4.60 |
| 10 | PETERSENDEAN | 24 | 0 | 9.12 | $3.76 |
| 11 | SUNNOVA ENERGY | 24 | 0 | 6.93 | — |
| 12 | AMERICAN SOLAR DIRECT | 23 | 0 | 6.6 | $5.11 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 91326 Porter Ranch | 1.0 km | 947 | $4.79 | 41 |
| 91304 Canoga Park | 4.7 km | 879 | $4.90 | 40 |
| 91324 Northridge | 4.8 km | 543 | $4.90 | 38 |
| 91306 Winnetka | 5.7 km | 814 | $4.97 | 39 |
| 91303 Canoga Park | 6.6 km | 191 | $4.99 | 36 |
| 91325 Northridge | 7.1 km | 707 | $4.80 | 39 |
Same city
Other zips in Chatsworth
Equipment
What gets installed in 91311
Share of systems with a recorded brand
Modules
SUNPOWER15.8%
QCELLS NORTH AMERICA15.6%
TRINA SOLAR8.9%
KYOCERA SOLAR6.7%
LG ELECTRONICS5.4%
Inverters
SOLAREDGE27.0%
ENPHASE ENERGY22.0%
SMA AMERICA10.7%
POWER-ONE9.6%
SUNPOWER8.7%
Frequently asked
Quick answers about 91311
How many solar installations are there in 91311?
SolarDNA counts 1,309 active solar installations in Chatsworth 91311, 1,275 of them residential, with data through May 8, 2026.
How much does solar cost in 91311?
The median residential system in 91311 cost $4.68 per watt over the trailing twelve months, $0.41/W above the California median.
Is solar growing in 91311?
Installations in 91311 are up 11.4%: 88 in the trailing twelve months versus 79 before.
Who installs solar in 91311?
TESLA, SUNRUN, SUNPOWER lead the 253 installers with systems in 91311. The full comp set is above.
Is 91311 a good market for solar sales?
91311 scores 46 out of 100 (Great, higher than 71% of U.S. zip markets).