☀️ Solar panels in Wilmington, DE: cost & savings (2027)
Cost after tax credit: $16,800 · Payback: 10.9 years · Est. savings: $1,536/year.
With about 71,292 residents, Wilmington is a smaller city and the largest city in Delaware. Homes here pay Delaware's residential rate of 14¢/kWh (about $137/month), so a typical 8 kW solar system — roughly $16,800 after the 30% federal tax credit — saves close to $1,536/year and pays back in about 10.9 years. That makes solar usually worth it in Wilmington. Below, compare nearby Delaware cities and get real quotes.
Is solar worth it in Wilmington?
Solar pays off fastest where power is expensive and the sun is strong. In Wilmington, electricity runs about 14¢/kWh and South sunlight gives a production factor of 1.10×. A standard system offsetting most of a $137/month bill returns roughly $1,536/year and pays for itself in about 10.9 years.
Your real result depends on roof, shading, exact usage and installer pricing. Always compare a couple of real Wilmington quotes before signing.
Wilmington solar FAQ
How much do solar panels cost in Wilmington, DE?
A typical 8 kW home system is around $24,000 before incentives, or about $16,800 after the 30% federal tax credit in Wilmington. Local utility or Delaware incentives can lower it further.
Is solar worth it in Wilmington?
In Wilmington it's usually worth it: with Delaware electricity at 14¢/kWh and South sunlight, a system saves roughly $1,536/year and pays for itself in about 10.9 years, then produces largely free power for the rest of its 25+ year life.
How much can I save with solar in Wilmington?
About $1,536 per year and roughly $21,600 over 25 years after the system pays for itself. Exact savings depend on your roof, shading and usage.
How do I get cheap solar in Wilmington?
Get at least three quotes from installers active in Wilmington, claim the 30% federal tax credit, stack any Delaware or utility rebates, and avoid oversizing the system beyond your $137/month usage.