DelawareSolar Panel Costs & Savings
Delaware averages 4.2 hrs of peak sun per day with an average payback period of 9.8 years. Homeowners can save $30,200 over 20 years.
Peak Sun Hours
4.2 hrs
per day
6kW System Cost
$18,000
before incentives
Payback Period
9.8 yrs
average
20-Year Savings
$30,200
estimated
Solar Cost Breakdown in Delaware
| Item | Amount |
|---|---|
| 6kW System Cost ($3/W) | $18,000 |
| Federal Tax Credit (30%) | -$5,400 |
| Net Cost | $12,600 |
Net Metering
Full Net Metering
Electricity Rate
14.94¢/kWh
Avg Monthly Bill
$131/mo
Solar Incentives in Delaware
Federal Solar Investment Tax Credit (ITC)
The federal ITC allows homeowners to deduct 30% of solar installation costs from federal taxes. Available for systems installed through 2032, stepping down to 26% in 2033 and 22% in 2034.
Solar Potential by ZIP Code in Delaware
Compare With Other States
More Data for Delaware
Frequently Asked Questions
How much do solar panels cost in Delaware?
A typical 6kW solar system in Delaware costs approximately $18,000 before incentives. After the 30% federal tax credit ($5,400), the net cost is approximately $12,600.
How long does solar take to pay for itself in Delaware?
The average solar payback period in Delaware is 9.8 years, slower than the national average of 9.4 years. After payback, homeowners enjoy free electricity for the remaining system life.
Does Delaware have net metering?
Delaware has full net metering. Homeowners receive full retail rate credits for excess solar energy sent to the grid.
How much sun does Delaware get for solar?
Delaware averages 4.2 peak sun hours per day, which is 0.3 hours below the national average. A 6kW system produces approximately 9,198 kWh per year.
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Data verified March 2026 · Source: NREL, DSIRE, EIA