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Solar Energy in Delaware

Solar Panels in Delaware

There are currently at least 5,119 solar panel installations throughout the state of Delaware right now.

Solar Energy Data in DE by City

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Solar Power in DE

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DE Solar Energy

Solar Power in Delaware

Solar Energy Levels in Delaware

The average monthly solar radiation level in Delaware's capital city, Dover, of 4.69 kilowatt hours per square meter per day (kWh/m2/day) is approximately 26% greater than the average level of 3.73 kWh/m2/day in an area with historically low levels (WA) and is approximately 29% less than the average level of 6.6 kWh/m2/day in an area with historically high levels (NV). [1]


→ Values listed as 0 (zero) are not available (N/A).
→ Delaware values listed here are based on the capital, Dover.

Solar Radiation in Delaware

Below is a month-by-month comparison of how average Delaware solar radiation levels compare to average levels in an area with historcially high levels (NV) and one with historically low levels (WA). [1]

→ k/m/d = kWh/m2/day = kilowatt hours per square meter per day.
→ Values listed as 0 (zero) are not available (N/A).
→ Delaware values listed here are based on the capital, Dover.

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Solar Installs in Delaware

Solar Panel Installations in Delaware

A look at solar installs in Delaware. The chart below visualizes install totals for the top five counties in DE vs. the cumulative install total of rest of DE counties combined.

Breakdown of Solar Installs in Delaware

There are currently at least 5,119 solar panel installations throughout the state of Delaware right now. [1]

  • Top Five Solar Install Counties in Delaware
    • New Castle County: 2,044 solar installs
    • Sussex County: 1,940 solar installs
    • Kent County: 552 solar installs
    • York County: 1 solar installs
    • Butler County: 1 solar installs
    • Everywhere Else: 581 solar installs

Note: Install totals presented here are those voluntarily contributed from a variety of sources including solar incentive programs, utilities, installers, and the general public. [1] Data for some states is thinner than others.

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Cost of Utilities in Delaware

Delaware Electricity Costs

Residential electricity prices in Delaware averaged 13.40 cents per kilowatthour (¢/kWh) in June 2017, which was approximately 1% more than the overall U.S. average residential electricity rate of 13.22¢/kWh in June. [2]

Solar Power Poll: Delaware

Vote now: What do you think? Are solar panels & solar power a good choice for residents of the state of Delaware?

DE: Yes, solar is a great option  
DE: No, solar isn't a good option

Delaware Natural Gas Costs

Residential natural gas prices in Delaware averaged $18.79 per thousand cubic feet (Mcf) in June 2017, which was about 18% more than the overall U.S. average residential natural gas rate of $15.98 per Mcf in June. [3]

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More about Delaware

About Delaware

Delaware ranks 47th among all states in the U.S. with a population of approximately 897,934. [4]

DE Solar Power

Solar Energy in DE

To learn more about solar energy and solar power in Delaware, or for additional solar-related resources in DE, visit the U.S. Energy Information Administration.

Did you know?

The largest solar power plant in the world covers 1000 acres & is located in the Mojave Desert in California.

Cities in Delaware

References