Solar Panel Savings in Wilmington, DE
Calculate how much you can save with solar panels in Wilmington, Delaware. Based on 4.3 peak sun hours/day and 14.2¢/kWh average electricity rate.
4.3
Peak Sun Hours/Day
14.2¢
Avg Rate (¢/kWh)
11.3 yr
Payback Period
$15k
25-Year Savings
Wilmington Solar Overview
Calculate Your Wilmington Solar Savings
Wilmington average: $127/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$36,480
Monthly Savings
$89
Federal Tax Credit
$5,166
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Wilmington | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $17,220 | $17,100 |
| Federal Tax Credit (30%) | -$5,166 | -$5,130 |
| Net System Cost | $12,054 | $11,970 |
| Cost Per Watt | $2.87/W | $2.85/W |
Solar Potential in Wilmington
Sun Hours vs National Average
Wilmington gets 4% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 193 sunny days per year
- Average temperature: 43.2°F — cooler temps actually improve panel efficiency
- Average roof size: 2,083 sq ft — enough for a 115-panel system
Wilmington Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $17,220 system, that's a $5,166 credit. Valid through 2032.
Delaware State Incentives
Delaware Green Energy Fund grants; SRECs available at $20-$40/MWh.
Net Metering — Delmarva Power
Delmarva Power offers net metering in Wilmington. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Wilmington
3.1
Tons CO2 Offset/Year
52
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,534 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Wilmington, Delaware
Wilmington, Delaware receives an average of 4.3 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 14.2¢ per kWh from Delmarva Power, near the national average, solar provides competitive returns on investment.
A typical 6kW solar system in Wilmington produces approximately 7,534 kWh per year, saving homeowners an estimated $1,068 annually. The system pays for itself in about 11.3 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.
Wilmington has a solar penetration rate of 4% — indicating early-stage solar adoption with tremendous growth potential as prices continue to fall. The cost of living index of 108 (national average: 100) is near the national average.
Other Cities in Delaware
Frequently Asked Questions
How much do solar panels cost in Wilmington, DE?
The average cost of a 6kW solar panel system in Wilmington is approximately $17,220 before incentives ($2.87/watt). After the 30% federal Investment Tax Credit, the net cost is about $12,054. Delaware Green Energy Fund grants; SRECs available at $20-$40/MWh.
How many peak sun hours does Wilmington get?
Wilmington, DE receives an average of 4.3 peak sun hours per day and approximately 193 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Wilmington?
The average solar payback period in Wilmington is approximately 11.3 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $14,646.
Does Wilmington have net metering?
Yes, Wilmington has access to net metering through Delmarva Power. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Wilmington, DE?
Yes, solar is a solid investment in Wilmington. While the 11.3-year payback is moderate, you'll still save $14,646 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.