Solar Panels in
New Castle County, DE

Updated 3/21/2020

How much do solar panels cost in New Castle County, DE in 2020?

As of August 2020, the average solar panel cost in New Castle County, DE is $2.75/W. Given a solar panel system size of 5 kilowatts (kW), an average solar installation in New Castle County, DE ranges in cost from $11,688 to $15,812, with the average gross price for solar in New Castle County, DE coming in at $13,750. 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 New Castle County, DE

System Size System Cost System Cost (after ITC)
3 kW $8,250 $6,105
4 kW $11,000 $8,140
5 kW $13,750 $10,175
6 kW $16,500 $12,210
7 kW $19,250 $14,245
8 kW $22,000 $16,280
9 kW $24,750 $18,315
10 kW $27,500 $20,350

2020 average solar panel cost graph in New Castle County, DE

for a 5kW system

Great Price
$11,688 or less
Market Average
$13,750
Above Market
$15,812 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

8.40 Years

20-Year Savings

$44,636

Cost per Watt

$2.75

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True Cost of Solar Guide™ for Delaware

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