Petaluma, CA 94952 solar market data
Updated April 24, 2026 By The SolarDNA Data Team
Petaluma 94952 has 2,964 solar installations at a median installed cost of $4.43/W, installations down 15.6% over the trailing twelve months, and a Market Score of 44 — higher than 62% of U.S. zip markets.
Versus California
How 94952 compares with the state
Installed cost
$0.16/W above
state median $4.26/W
Market score
44 vs 53
California scores 53
Share of state installs
0.13%
of 2.3M tracked statewide
Battery attach
11.9%
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: 149–182 installs (midpoint 165)
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
94952 by year
179 installs in the trailing twelve months vs 212 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94952
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 281 | 31 | 7.06 | $4.59 |
| 2 | SUNPOWER | 280 | 2 | 5.54 | $4.25 |
| 3 | TESLA | 243 | 3 | 7.35 | $5.10 |
| 4 | ROCKIN ROOFERS | 120 | 4 | 6.64 | $4.21 |
| 5 | NORTHERN PACIFIC POWER | 115 | 0 | 7.46 | $4.11 |
| 6 | SOLARCRAFT SERVICES | 90 | 5 | 7.71 | $4.76 |
| 7 | J J ELECTRIC | 74 | 0 | 7.76 | $3.73 |
| 8 | FREEDOM FOREVER | 59 | 1 | 5.72 | $5.26 |
| 9 | CITADEL ROOFING AND SOLAR | 57 | 7 | 5.66 | $2.98 |
| 10 | NORCAL CONTRACTING | 49 | 0 | 11.09 | $3.89 |
| 11 | PETERSENDEAN | 49 | 0 | 6.11 | $4.01 |
| 12 | A1 SOLAR POWER | 44 | 0 | 4.33 | $6.83 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94954 Petaluma | 5.6 km | 2,520 | $4.42 | 44 |
| 94951 Penngrove | 8.7 km | 488 | $4.39 | 40 |
| 94931 Cotati | 9.8 km | 545 | $4.64 | 39 |
| 94926 Rohnert Park | 11.2 km | 9 | $6.87 | 28 |
| 94928 Rohnert Park | 12.0 km | 2,764 | $4.37 | 43 |
| 94945 Novato | 16.6 km | 1,537 | $4.53 | 40 |
Same city
Other zips in Petaluma
Equipment
What gets installed in 94952
Share of systems with a recorded brand
Modules
SUNPOWER13.7%
QCELLS NORTH AMERICA13.4%
LG ELECTRONICS7.3%
SILFAB SOLAR6.5%
CSI SOLAR5.8%
Inverters
ENPHASE ENERGY37.0%
SOLAREDGE22.0%
SUNPOWER10.2%
SMA AMERICA9.5%
TESLA6.3%
Frequently asked
Quick answers about 94952
How many solar installations are there in 94952?
SolarDNA counts 2,964 active solar installations in Petaluma 94952, 2,817 of them residential, with data through April 24, 2026.
How much does solar cost in 94952?
The median residential system in 94952 cost $4.43 per watt over the trailing twelve months, $0.16/W above the California median.
Is solar growing in 94952?
Installations in 94952 are down 15.6%: 179 in the trailing twelve months versus 212 before.
Who installs solar in 94952?
SUNRUN, SUNPOWER, TESLA lead the 301 installers with systems in 94952. The full comp set is above.
Is 94952 a good market for solar sales?
94952 scores 44 out of 100 (Good, higher than 62% of U.S. zip markets).