Solar Panel Cost in
Delaware

Updated 1/9/2021

How much do solar panels cost in Delaware in 2021?

As of January 2021, the average solar panel cost in Delaware is $2.64/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in Delaware ranges in cost from $2 to $3, with the average gross price for solar in Delaware coming in at $13,200. 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 Delaware

System Size System Cost System Cost (after ITC)
3 kW $7,920 $5,861
4 kW $10,560 $7,814
5 kW $13,200 $9,768
6 kW $15,840 $11,722
7 kW $18,480 $13,675
8 kW $21,120 $15,629
9 kW $23,760 $17,582
10 kW $26,400 $19,536

2021 average solar panel cost graph in Delaware

for a 5kW system

Great Price
$2 or less
Market Average
$13,200
Above Market
$3 or more

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

Payback Period

10.25 Years

20-Year Savings

$20,885

Cost per Watt

$2.64

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True Cost of Solar Guide™ for Delaware

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.

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EnergySage spans Delaware! Check out solar prices in your city or town