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Penn Valley, CA solar installation & market data

Updated April 21, 2026 By The SolarDNA Data Team
Penn Valley has 1,445 solar installations across 1 zip code at a median installed cost of $4.27/W, installations down 30.3% over the trailing twelve months, and an installs-weighted Market Score of 38.
Active installations
1,445
Zip markets
1
Median cost
$4.27/W
12-mo growth
▼ 30.3%
Installers active
12
38
City Market Score
Fair · installs-weighted across 1 zips
Best zip in Penn Valley scores higher than 21% of U.S. zip markets.
Versus California

How Penn Valley compares with the state

Installed cost
$0.01/W above
state median $4.26/W
Market score
38 vs 53
California scores 53
Share of state installs
0.06%
of 2.3M tracked statewide
Battery attach
13.0%
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: 61–83 installs (midpoint 72)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing

Penn Valley by year

85 installs in the trailing twelve months vs 122 before

Installations by year
Median installed cost, $/W DC by year
Installer comp set

Who installs in Penn Valley

Summed across every zip in the city

Export CSV
#InstallerInstalls12-moZips$/W
1DC SOLAR ELECTRIC16001$3.43
2TESLA12901$5.12
3CALIFORNIA SOLAR ELECTRIC12371$4.99
4SUNRUN104131$4.02
5CALIFORNIA SOLAR ELECTRIC SYSTEMS9101$4.27
6SUSTAINABLE ENERGY GROUP7421$3.38
7NORTH VALLEY7241$3.92
8PLAN IT SOLAR5401$5.25
9V3 ELECTRIC4131$4.64
10BYERS ENTERPRISES3511$4.73
11HOOKED ON SOLAR3101$4.51
12FREEDOM FOREVER2601$3.88
Zip markets

Zips in Penn Valley

Ranked by installations · click for the zip market

ZipInstalls$/WScore
959461,445$4.2738 D