Sonoma, CA solar installation & market data

Updated April 23, 2026 By The SolarDNA Data Team

Sonoma has 3,273 solar installations across 1 zip code at a median installed cost of $4.73/W, installations up 3.4% over the trailing twelve months, and an installs-weighted Market Score of 47.

See Sonoma on the map California market

Active installations

3,273

Zip markets

Median cost

$4.73/W

12-mo growth

▲ 3.4%

Installers active

City Market Score

Great · installs-weighted across 1 zips

Best zip in Sonoma scores higher than 76% of U.S. zip markets.

Versus California

How Sonoma compares with the state

Installed cost

$0.46/W above

state median $4.26/W

Market score

47 vs 53

California scores 53

Share of state installs

0.14%

of 2.3M tracked statewide

Battery attach

15.8%

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: 195–239 installs (midpoint 217)

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

Sonoma by year

213 installs in the trailing twelve months vs 206 before

Installations by year

Median installed cost, $/W DC by year

Installer comp set

Who installs in Sonoma

Summed across every zip in the city

Export CSV

#	Installer	Installs	12-mo	Zips	$/W
1	SUNRUN	362	42	1	$4.60
2	TESLA	294	6	1	$5.12
3	SOLARCRAFT SERVICES	269	10	1	$5.44
4	NORTHERN PACIFIC POWER	175	0	1	$3.95
5	ROCKIN ROOFERS	96	4	1	$4.39
6	SOLARCRAFT	78	0	1	$3.76
7	SUN FIRST	76	1	1	$5.21
8	SUNPOWER	70	0	1	$4.64
9	CITADEL ROOFING AND SOLAR	57	9	1	$2.94
10	BRIGHT OPS	53	20	1	$6.54
11	SEMPER SOLARIS	53	5	1	$4.73
12	SUNTEGRITY SOLAR	47	4	1	$4.08

Zip markets

Zips in Sonoma

Ranked by installations · click for the zip market

Zip	Installs	$/W	Score
95476	3,273	$4.73	47 B