Solar Panels in Delaware: Cost, Savings & Incentives (2026)
How much do solar panels cost in Delaware in 2026? Typical 8.0 kW system: $16,800 after 30% ITC, 17.0-year payback, 4.5 sun hrs/day, 14.8¢/kWh. Free calculators.
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Delaware solar decision guides
Data hub — jump to in-depth sizing, bill-based, or policy guides. This page stays focused on rates & incentives.
Delaware solar snapshot (2026)
A 8 kW system in Delaware produces roughly 10,512 kWh/year at 4.5 peak sun hours and 14.8¢/kWh — saving about $1,555/year with ~10-year payback after the 30% ITC.
| Cost item | Amount |
|---|---|
| System cost (8 kW) | $24,000 |
| Federal 30% ITC | −$7,200 |
| Net cost after ITC | $16,800 |
| Est. annual savings | $1,555/yr |
| 25-year net profit (est.) | $22,075 |
Get at least 3 installer quotes — pricing varies up to 30% within the same state.
Delaware solar incentives
Federal ITC — 30%
All US homeowners qualify for the 30% federal Investment Tax Credit through 2032. On a $24,000 system, that's a $7,200 dollar-for-dollar tax credit.
Delaware state programs
Delaware's Green Energy Program provides grants for residential solar installations — typically $500–$1,000 depending on system size and funding availability. Delaware also has a Renewable Portfolio Standard and net metering policy that credits homeowners at the full retail electricity rate.
Is solar worth it in Delaware?
Delaware homeowners benefit most when system size matches actual usage and roof orientation is south-facing. Use the calculators above for a bill-specific estimate, or open a decision guide below for sizing by monthly bill or home sq ft.
Frequently asked questions
Direct answers for US homeowners in Delaware.