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#24 Solar ROI State

Solar Panel ROI in Delaware (DE)

Delaware averages 1,250 kWh per installed kW per year. At $14.2¢/kWh average utility rates, a 7 kW system produces a 25-year NPV of $5,843.

$13,720
System Cost (After Credits)
$5,843
25-Year NPV
11 years
Payback Period
$0.162/kWh
Solar LCOE

Solar Cost Breakdown in Delaware

7 kW system (2.80/W)$19,600
Federal ITC (30%)-$5,880
Net Cost$13,720

Solar Production in Delaware

Delaware receives an average of 1,250 kWh of solar energy per installed kW per year, based on NREL PVWatts data for a south-facing system at 20° tilt. A 7 kW system produces approximately 8,750 kWh in year one, declining by 0.5% annually due to panel degradation.

At Delaware's average residential rate of $14.2¢/kWh with 4% annual escalation, first-year savings are $1,243. The solar LCOE of $0.162/kWh is -14% below the current utility rate and stays fixed while utility rates continue to climb.

Net Metering in Delaware

1:1 net metering for systems up to 25 kW

Solar FAQ for Delaware

How much does solar cost in Delaware?
A typical 7 kW residential solar system in Delaware costs $19,600 before incentives. After the 30% federal ITC, the net cost drops to $13,720.
What is the solar payback period in Delaware?
Based on the average DE utility rate of $14.2¢/kWh and local solar irradiance of 1,250 kWh/kW/year, a 7 kW system typically pays for itself in 11 years. The 25-year NPV is $5,843.
Does Delaware have net metering?
1:1 net metering for systems up to 25 kW
What is the LCOE of solar in Delaware?
The levelized cost of solar energy in Delaware is approximately $0.162/kWh, compared to the current average utility rate of $14.2¢/kWh. Solar electricity costs -14% less than grid electricity at today's rates, and the gap widens as utility rates rise.
How much electricity does a solar panel produce in Delaware?
Delaware receives approximately 1,250 kWh of solar energy per installed kW per year. A 7 kW system produces about 8,750 kWh in its first year, enough to offset 83% of the average U.S. household's electricity consumption.

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Solar ROI in Similar States

Illinois

NPV: $7,460 · Payback: 10yr
Rate: $16.2¢/kWh · #16 ranked

South Carolina

NPV: $10,528 · Payback: 8yr
Rate: $13.2¢/kWh · #17 ranked

Texas

NPV: $10,835 · Payback: 9yr
Rate: $13.8¢/kWh · #18 ranked

Pennsylvania

NPV: $7,155 · Payback: 10yr
Rate: $16.2¢/kWh · #19 ranked

North Carolina

NPV: $4,876 · Payback: 11yr
Rate: $12.2¢/kWh · #20 ranked

Utah

NPV: $5,916 · Payback: 11yr
Rate: $11.2¢/kWh · #21 ranked

Get Your Delaware Solar Analysis

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