Oak Park, CA solar installation & market data

Updated May 14, 2026 By The SolarDNA Data Team

Oak Park has 918 solar installations across 1 zip code at a median installed cost of $4.06/W, installations up 55.4% over the trailing twelve months, and an installs-weighted Market Score of 56.

See Oak Park on the map California market

Active installations

918

Zip markets

Median cost

$4.06/W

12-mo growth

▲ 55.4%

Installers active

City Market Score

Excellent · installs-weighted across 1 zips

Best zip in Oak Park scores higher than 98% of U.S. zip markets.

Versus California

How Oak Park compares with the state

Installed cost

$0.20/W below

state median $4.26/W

Market score

56 vs 53

California scores 53

Share of state installs

0.04%

of 2.3M tracked statewide

Battery attach

32.6%

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: 85–115 installs (midpoint 100)

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

Oak Park by year

87 installs in the trailing twelve months vs 56 before

Installations by year

Median installed cost, $/W DC by year

Installer comp set

Who installs in Oak Park

Summed across every zip in the city

Export CSV

#	Installer	Installs	12-mo	Zips	$/W
1	SUNRUN	148	24	1	$4.15
2	TESLA	146	7	1	$3.85
3	QUANTUM SOLAR DESIGNS	35	3	1	$3.69
4	SUNPOWER	35	0	1	$4.96
5	SOLAR OPTIMUM DESIGN ELECTRIC	26	0	1	$2.90
6	VERENGO	22	0	1	$4.86
7	REPOWER LIVERMORE	19	0	1	$4.84
8	REC SOLAR COMMERCIAL	18	0	1	$4.64
9	GREEN CONVERGENCE	17	1	1	$4.95
10	SEMPER SOLARIS	15	0	1	$3.92
11	FREEDOM FOREVER	14	4	1	$5.33
12	LA SOLAR GROUP	14	0	1	$3.29

Zip markets

Zips in Oak Park

Ranked by installations · click for the zip market

Zip	Installs	$/W	Score
91377	918	$4.06	56 A