Penngrove, CA 94951 solar market data
Updated March 30, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Penngrove 94951 has 488 solar installations at a median installed cost of $4.39/W, recent growth not yet measurable, and a Market Score of 40 — higher than 35% of U.S. zip markets.
Versus California
How 94951 compares with the state
Installed cost
$0.12/W above
state median $4.26/W
Market score
40 vs 53
California scores 53
Share of state installs
0.02%
of 2.3M tracked statewide
Battery attach
10.4%
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
Growth & pricing
94951 by year
24 installs in the trailing twelve months vs 20 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 94951
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 57 | 4 | 7.97 | $4.09 |
| 2 | TESLA | 42 | 1 | 8.12 | $5.10 |
| 3 | PETERSENDEAN | 20 | 0 | 8.47 | $3.61 |
| 4 | ROCKIN ROOFERS | 19 | 0 | 7.49 | $4.25 |
| 5 | NORTHERN PACIFIC POWER | 16 | 0 | 8.27 | $4.00 |
| 6 | SOLARCRAFT SERVICES | 15 | 1 | 7.68 | $4.83 |
| 7 | SEMPER SOLARIS | 14 | 2 | 7.99 | $4.87 |
| 8 | RGS ENERGY | 13 | 0 | 7 | $6.57 |
| 9 | SUNPOWER | 11 | 0 | 9.73 | $5.06 |
| 10 | WESTCOAST SOLAR ENERGY | 9 | 0 | 10.43 | $3.46 |
| 11 | SUN FIRST | 8 | 0 | 7.42 | $5.64 |
| 12 | FREEDOM FOREVER | 7 | 1 | 8.43 | $4.11 |
Equipment
What gets installed in 94951
Share of systems with a recorded brand
Modules
QCELLS NORTH AMERICA14.3%
LG ELECTRONICS8.1%
SUNPOWER8.1%
SILFAB SOLAR6.7%
SHARP6.4%
Inverters
ENPHASE ENERGY35.4%
SOLAREDGE20.3%
SMA AMERICA14.7%
SUNPOWER6.2%
FRONIUS USA5.1%
Frequently asked
Quick answers about 94951
How many solar installations are there in 94951?
SolarDNA counts 488 active solar installations in Penngrove 94951, 469 of them residential, with data through March 30, 2026.
How much does solar cost in 94951?
The median residential system in 94951 cost $4.39 per watt over the trailing twelve months, $0.12/W above the California median.
Is solar growing in 94951?
Recent growth cannot be measured yet for 94951: too few recent installs (data runs through March 30, 2026).
Who installs solar in 94951?
SUNRUN, TESLA, PETERSENDEAN lead the 136 installers with systems in 94951. The full comp set is above.
Is 94951 a good market for solar sales?
94951 scores 40 out of 100 (Good, higher than 35% of U.S. zip markets). With under 500 installations the score is provisional.