Lakeside, CA solar installation & market data

Updated March 24, 2026 By The SolarDNA Data Team

Lakeside has 6,414 solar installations across 1 zip code at a median installed cost of $4.15/W, installations down 1.6% over the trailing twelve months, and an installs-weighted Market Score of 48.

See Lakeside on the map California market

Active installations

6,414

Zip markets

Median cost

$4.15/W

12-mo growth

▼ 1.6%

Installers active

City Market Score

Great · installs-weighted across 1 zips

Best zip in Lakeside scores higher than 82% of U.S. zip markets.

Versus California

How Lakeside compares with the state

Installed cost

$0.11/W below

state median $4.26/W

Market score

48 vs 53

California scores 53

Share of state installs

0.28%

of 2.3M tracked statewide

Battery attach

5.5%

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: 220–268 installs (midpoint 244)

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

Lakeside by year

246 installs in the trailing twelve months vs 250 before

Installations by year

Median installed cost, $/W DC by year

Installer comp set

Who installs in Lakeside

Summed across every zip in the city

Export CSV

#	Installer	Installs	12-mo	Zips	$/W
1	SUNRUN	1,321	42	1	$4.56
2	TESLA	445	1	1	$5.12
3	BAKER ELECTRIC SOLAR	356	0	1	$4.08
4	SEMPER SOLARIS	355	0	1	$4.10
5	BRIGHT PLANET SOLAR	213	17	1	$4.70
6	SUNPOWER	182	0	1	$4.10
7	SOLARTECH ENERGY SYSTEMS	120	0	1	$3.68
8	SULLIVAN SOLAR POWER	95	0	1	$4.21
9	SUNGEVITY	91	0	1	$4.08
10	STELLAR SOLAR	87	3	1	$3.98
11	SIMMS SOLAR ELECTRIC	80	27	1	$2.88
12	FREEDOM SOLAR POWER TX	68	0	1	$4.18

Zip markets

Zips in Lakeside

Ranked by installations · click for the zip market

Zip	Installs	$/W	Score
92040	6,414	$4.15	48 B