Solar cost & payback in Delaware
Short answer
In Delaware, a home with a $150/month electric bill needs about a 9.3 kW solar system — roughly $19,433 after the 30% federal tax credit, saving about $1,801/year and paying back in ~10.8 years.
System size
9.3 kW
Cost after 30% credit
$19,433
Payback
10.8 yrs
20-yr net savings
$26,572
Solar in Delaware
Delaware averages about 4.3 peak sun hours a day and pays roughly 15.5¢/kWh. The figures above assume a $150/month bill and ~$3/watt installed, with the 30% federal tax credit. A bigger bill needs a bigger system; shading, roof orientation, and net-metering rules change the payback.
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Frequently asked questions
How much do solar panels cost in Delaware?
For a $150/month bill, about a 9.3 kW system — roughly $27,762 before incentives, or $19,433 after the 30% federal tax credit. Larger bills need bigger, pricier systems.
Is solar worth it in Delaware?
Delaware gets about 4.3 peak sun hours a day and pays ~15.5¢/kWh. A typical system pays back in ~10.8 years and saves about $26,572 net over 20 years — a longer payback, so run your own numbers.
What is the solar tax credit in Delaware?
The 30% federal Residential Clean Energy Credit applies everywhere, including Delaware — about $8,329 on the example system. Delaware may add its own state incentives on top; check current programs.