SunSavvy

Solar Panel Cost in Delaware (2026)

In Delaware, residential electricity averages about 15¢/kWh with roughly 4.3 peak sun hours a day. Here's what solar looks like for a typical Delaware home using ~10,800 kWh a year.

System size
8 kW
~21 panels
Est. gross cost
$24,004
before incentives
Federal tax credit
- $7,201
30% ITC (verify)
Net cost
$16,803
after credit
Year-1 savings
$1,620
Payback
10.4 yrs

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Estimate your own Delaware numbers

Enter your real electric bill — the calculator is preset to Delaware.

Assumes $3.00/W installed and the 30% federal tax credit. Estimates only.

System size
8.9 kW
~23 panels
Est. gross cost
$26,671
before incentives
Federal tax credit
- $8,001
30% ITC
Net cost
$18,670
after credit
Year-1 savings
$1,800
Payback
10.4 yrs
25-year net savings
$42,695
after system cost, with rate escalation
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Incentives in Delaware

The biggest incentive is usually the federal solar tax credit — see ourtax credit guide and confirm the current percentage, since the rules have changed recently. Delaware may also offer state or utility incentives, rebates or performance payments; look up current programs in theDSIRE database.

What moves the number in Delaware

  • Your utility's rate and net metering — see how net metering works.
  • Roof orientation, shading and sun hours (4.3/day here on average).
  • Installer pricing — always compare several quotes.

Figures are estimates for education, not a quote. Electricity rates and sun hours are approximate state averages. Confirm with local installers.

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