Is solar worth it in 19901 (Dover, DE)?

With an average payback period of 12.5 years and 25-year savings of $27,525, solar panels in Dover, Delaware can be worthwhile with available incentives.

How much do solar panels cost in 19901?

The average cost of a 6kW residential solar system in Dover, Delaware is $13,800 before incentives. The federal 30% Investment Tax Credit reduces this to about $9,660.

How much solar electricity does 19901 get?

Dover receives 4.52 kWh/m²/day of solar irradiance. A 6kW system in zip code 19901 produces approximately 7,919 kWh per year.

Solar Panel ROI in 19901

Dover, Delaware — Is solar worth it here? Here's what the data says.

2.0x ROI Score

12.5 yrs Payback Period

$1,101/yr Annual Savings

$27,525 25-Year Savings

Your savings estimate

$ /mo bill

Annual savings $1,101

Payback 12.5 yrs

25-yr savings $27,525

Solar Calculator for 19901 (Dover)

Adjust values to see your personalized solar ROI estimate for Dover, Delaware.

System Size

System Cost

Electricity Rate

$ /kWh

Solar Irradiance

4.52 kWh/m²/day

Based on NREL data for Dover, DE

ROI Score 2.0x

Annual Production 7,919 kWh

Annual Savings $1,101

Payback Period 12.5 years

25-Year Savings $27,525

After 30% ITC $9,660

Solar Data for 19901 – Dover, DE

Solar Irradiance 4.52 kWh/m²/day -8.9% vs national avg

vs Delaware Avg +0% State avg: 4.92 kWh/m²/day

Electricity Rate $0.139/kWh Delaware average rate

Annual Production 7,919 kWh 6kW system estimate

Dover's 4.52 kWh/m²/day is 8.9% below the national average. At $0.139/kWh, the 12.5-year payback is moderate. Tax credits and incentives can shorten it meaningfully.

Solar Incentives for Dover, Delaware

★

Federal Investment Tax Credit (ITC)

Claim 30% of your system cost as a federal tax credit. On a $13,800 system, that's $4,140 back.

★

Net Metering

Most Delaware utilities offer net metering — sell excess electricity back to the grid at retail rates, accelerating your payback.

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Delaware State Programs

Check with the Delaware energy office for additional rebates, tax exemptions, and low-interest solar financing programs available in Dover.

19901 vs Delaware Average

Solar Irradiance

19901: 4.52 DE avg: 4.92

Payback Period

19901: 12.5 yrs DE avg: 11.9 yrs

Annual Savings

19901: $1,101 DE avg: $1,162

25-Year Savings

19901: $27,525 DE avg: $29,050

See the full Delaware solar guide for statewide data and incentives.

Nearby Zip Codes — Solar Comparison

19801 Wilmington, DE 2.0x ROI 12.6 yr payback 19147 Philadelphia, PA 2.1x ROI 11.8 yr payback 19103 Philadelphia, PA 2.1x ROI 11.8 yr payback 19101 Philadelphia, PA 2.1x ROI 11.8 yr payback 19131 Philadelphia, PA 2.1x ROI 11.8 yr payback