Petaluma, CA 94954 solar market data
Updated April 3, 2026 By The SolarDNA Data Team
Petaluma 94954 has 2,520 solar installations at a median installed cost of $4.42/W, installations down 15.5% over the trailing twelve months, and a Market Score of 44 — higher than 63% of U.S. zip markets.
Versus California
How 94954 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
0.11%
of 2.3M tracked statewide
Battery attach
11.4%
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: 109–133 installs (midpoint 121)
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
94954 by year
131 installs in the trailing twelve months vs 155 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94954
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 505 | 32 | 5.57 | $4.71 |
| 2 | TESLA | 232 | 5 | 5.92 | $5.12 |
| 3 | SUNPOWER | 136 | 0 | 3.75 | $4.25 |
| 4 | PETERSENDEAN | 114 | 0 | 2.85 | $3.83 |
| 5 | ROCKIN ROOFERS | 113 | 4 | 6.79 | $4.36 |
| 6 | BRIGHT OPS | 103 | 21 | 5.53 | $4.50 |
| 7 | FREEDOM FOREVER | 85 | 4 | 5.88 | $5.47 |
| 8 | NORTHERN PACIFIC POWER | 67 | 0 | 6.44 | $4.03 |
| 9 | CITADEL ROOFING AND SOLAR | 57 | 0 | 1.68 | $3.91 |
| 10 | BETTER EARTH | 49 | 0 | 6.73 | $5.31 |
| 11 | SOLARCRAFT SERVICES | 42 | 2 | 11.25 | $4.91 |
| 12 | HIGH DEFINITION SOLAR | 41 | 0 | 2.43 | $8.13 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 94952 Petaluma | 5.6 km | 2,964 | $4.43 | 44 |
| 94951 Penngrove | 7.7 km | 488 | $4.39 | 40 |
| 94931 Cotati | 11.4 km | 545 | $4.64 | 39 |
| 94926 Rohnert Park | 12.4 km | 9 | $6.87 | 28 |
| 94928 Rohnert Park | 12.7 km | 2,764 | $4.37 | 43 |
| 95476 Sonoma | 13.3 km | 3,273 | $4.73 | 47 |
Same city
Other zips in Petaluma
Equipment
What gets installed in 94954
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA13.8%
SILFAB SOLAR8.5%
SUNPOWER8.5%
REC GROUP7.4%
CSI SOLAR6.1%
Inverters
SOLAREDGE33.1%
ENPHASE ENERGY32.6%
SMA AMERICA6.9%
SUNPOWER6.8%
TESLA5.7%
Frequently asked
Quick answers about 94954
How many solar installations are there in 94954?
SolarDNA counts 2,520 active solar installations in Petaluma 94954, 2,411 of them residential, with data through April 3, 2026.
How much does solar cost in 94954?
The median residential system in 94954 cost $4.42 per watt over the trailing twelve months, $0.16/W above the California median.
Is solar growing in 94954?
Installations in 94954 are down 15.5%: 131 in the trailing twelve months versus 155 before.
Who installs solar in 94954?
SUNRUN, TESLA, SUNPOWER lead the 260 installers with systems in 94954. The full comp set is above.
Is 94954 a good market for solar sales?
94954 scores 44 out of 100 (Good, higher than 63% of U.S. zip markets).