Solar Panels in
El Cajon, CA

Updated 9/18/2021

How much do solar panels cost in El Cajon, CA in 2021?

As of September 2021, the average solar panel cost in El Cajon, CA is $2.76/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in El Cajon, CA ranges in cost from $11,730 to $15,870, with the average gross price for solar in El Cajon, CA coming in at $13,800. 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 El Cajon, CA

System Size System Cost System Cost (after ITC)
3 kW $8,280 $6,127
4 kW $11,040 $8,170
5 kW $13,800 $10,212
6 kW $16,560 $12,254
7 kW $19,320 $14,297
8 kW $22,080 $16,339
9 kW $24,840 $18,382
10 kW $27,600 $20,424

2021 average solar panel cost graph in El Cajon, CA

for a 5kW system

Great Price
$11,730 or less
Market Average
$13,800
Above Market
$15,870 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

4.18 Years

20-Year Savings

$68,055

Cost per Watt

$2.76

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