Discover how much solar costs near you:

The average cost to install solar on a home in Delaware is $4.23 per watt, with about 80 percent of systems installed for $3.10 per watt to $5.00 per watt. This is higher than the average solar cost in the South Atlantic Region of $3.99 per watt.



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The average size of a solar system in Delaware is 7.6 kilowatts, which would cost around $32,100 without any federal, state, or local incentives.


1 kilowatt of solar PV in Delaware produces an average of 1,331 kilowatt-hours of electricity per year, so a 7.6 kilowatt solar system would generate 10,119 kilowatt-hours of electricity every year. An average household in Delaware uses 11,728 kilowatt-hours of electricity in a year.


With an average state electricity price of 13 cents per kilowatt-hour, this solar system could save a household in Delaware $1,325 each year. At this rate of annual savings, the system could pay for itself in about 24 years assuming no additional system expenses. This is less than the expected 30-year lifespan of a typical solar panel.


Recent installations:
Lewes: 6.5 kilowatt system installed for $3.12 per watt by Clean Energy USA
Wilmington: 6.2 kilowatt system installed for $3.52 per watt by Liberty Services Co
Rehoboth Beach: 7.5 kilowatt system installed for $3.25 per watt by Clean Energy USA
Wilmington: 4.0 kilowatt system installed for $4.12 per watt by Advanced Solar Heating & Air Conditioning
Bethany Beach: 6.5 kilowatt system installed for $4.68 per watt by Clean Energy USA
Rehoboth Beach: 5.0 kilowatt system installed for $5.00 per watt by Clean Energy USA


Top solar companies most active in Delaware include:
Liberty Services Co , Clean Energy USA, Advanced Solar Heating & Air Conditioning, CNC Solar
Get more information about top Delaware solar companies.


Solar companies with some of the lowest system costs in Delaware include:
Liberty Services Co , Clean Energy USA
Get more information about the best Delaware solar companies for low system costs.


Explore the cost of solar in Delaware cities and towns

Bear $3.92
Bethany Beach $4.86
Camden $4.06
Dover $4.33
Hockessin $3.93
Lewes $4.04
Middletown $4.42
Millsboro $4.66
Milton $4.28
New Castle $4.53
Newark $4.20
Ocean View $3.97

Explore the cost of solar in other states