Solar Panel Cost in
California

Updated 10/24/2020

How much do solar panels cost in California in 2020?

As of October 2020, the average solar panel cost in California is $2.98/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in California ranges in cost from $12,665 to $17,135, with the average gross price for solar in California coming in at $14,900. After accounting for the 26% Federal Investment Tax Credit (ITC) and other state and local solar incentives, the net price you'll pay for solar can fall by thousands of dollars.

Importantly, these costs are typical for solar shoppers comparing solar quotes on the EnergySage Marketplace. When you compare quotes for solar panels on EnergySage's competitive solar marketplace, you can expect to see prices up to 20% lower than working with a single solar company.

Average solar panel cost by system size in California

System Size System Cost System Cost (after ITC)
3 kW $8,940 $6,616
4 kW $11,920 $8,821
5 kW $14,900 $11,026
6 kW $17,880 $13,231
7 kW $20,860 $15,436
8 kW $23,840 $17,642
9 kW $26,820 $19,847
10 kW $29,800 $22,052

2020 average solar panel cost graph in California

for a 5kW system

Great Price
$12,665 or less
Market Average
$14,900
Above Market
$17,135 or more

Solar installation costs do not include the 26% Federal Investment Tax Credit or local incentives. Learn more about local CA incentives, tax credits & rebates.

Payback Period

5.99 Years

20-Year Savings

$55,847

Cost per Watt

$2.98

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True Cost of Solar Guide™ for California

Download EnergySage’s DIY worksheet to better understand what solar should cost in your state

Don’t get sold on the hype! Find out what solar should actually cost before you talk to your first sales rep. This PDF worksheet will walk you through the simple calculations you can make to determine what size solar PV system you need, and approximately how much it should cost.