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Solar Energy in Wilmington, DE

Solar Energy in Wilmington

Sorry, historical solar radition values for Wilmington are currently unavailable, please check back later.

Solar Panels in Wilmington

Solar panels in Wilmington that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output. [More]

Sunrise & Sunset in Wilmington

The total length of the day in Wilmington, DE today (July 22, 2019) will be 14 hours and 30 minutes. [More]

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Wilmington, DE Solar Energy

Solar Power in Wilmington, DE

Solar Energy Data in Wilmington, DE

See the chart below to see how different types of solar panel installations compare in Wilmington.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day).
* See glossary & definitions below.


Solar Energy Analysis for Wilmington, DE

Solar Radiation Data in Wilmington

Based on historical Wilmington, DE data, solar panels that are tilted towards the equator at an angle equal to the latitude will produce the maximum solar energy output in Wilmington. [1]

Wilmington has an average monthly Global Horizontal Irradiance (GHI) of 4.09 kilowatt hours per square meter per day (kWh/m2/day), which is approximately 0% less than the average monthly Direct Normal Irradiance (DNI) of 4.11 kWh/m2/day. [1]

Solar installations in Wilmington that are always titled at the latitude of Wilmington (Average Tilt at Latitude or ATaL) average 4.81 kWh/m2/day, or about 18% greater than the average monthly GHI of 4.09 kWh/m2/day and approximately 17% greater than the average monthly DNI of 4.11 kWh/m2/day. [1]

* See glossary & definitions below.

Solar Energy Glossary

Global Horizontal Irradiance (GHI)

Global Horizontal Irradiance: The total amount of solar radiation that is received per unit area by a surface that is always positioned in a horizontal manner.

Direct Normal Irradiance (DNI)

Direct Normal Irradiance: The total amount of solar radiation received per unit area by a surface that is always perpendicular to the sun rays that come in a straight line from the direction of the sun at its current position in the sky.

Average Tilt at Latitude (ATaL)

Average Tilt at Latitude: The total amount of solar radiation received per unit area by a surface that is tilted toward the equator at an angle equal to the current latitude. ATaL will often produce the optimum energy output.

Solar Radiation Levels in Wilmington

Solar Radiation Data in Wilmington, DE

See the chart below for monthly solar radiation levels in Wilmington.

* Amounts listed in kWh/m2/day (kilowatt hours per square meter per day)

Solar Radiation Analysis for Wilmington, DE

Solar Radiation Data in Wilmington

Sorry, it is not possible to complete our solar radiation analysis for Wilmington at this time.

Historical solar radiation data for Wilmington is not currently available.

Please check back later.

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Solar Power Comparison: Wilmington vs. the U.S.

Solar Power Levels in Wilmington

Sorry, solar radiation data for Delaware is not currently available. Please try again later.

Solar Power: vs. the U.S.

Below is a month-by-month comparison of how average Wilmington solar radiation levels compare to average levels in a city with historcially high levels (NV) and a city 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).

Solar Data & Statistics for Wilmington

Sunrise / Sunset in Wilmington

  • Sunrise/Sunset for July 22, 2019 [2]
    • Sunrise: 9:53 am
    • Sunset: 12:23 am
    • Solar Noon: 5:08 pm
    • Length of Day: 14:30
Solar Energy Statistics for Wilmington

Best Months for Solar in Wilmington

  • Top Solar Power Months Historically [1]
    • Solar Radiation n/a
    • ATaL: July (5.65 kWh/m2/day)
    • DNI: July (4.75 kWh/m2/day)
    • GHI: July (6.07 kWh/m2/day)

* See glossary & definitions above.

Solar Panel Installs in Wilmington

We do not currently have data on solar panel installations in the city of Wilmington, DE at this current time.

However, Wilmington is in New Castle County and New Castle County has at least 0 solar insallations right now. [1]

Solar Power Output in Wilmington

The Power of Solar in Wilmington, DE

Monthly AC solar system output averages for Wilmington (de). Month-by-month solar power, as ranked by AC output, in Wilmington. [2]

* Amounts listed in kWhac (kilowatt hours (AC))

Solar Output Analysis for Wilmington, DE

Solar Radiation Data in Wilmington

Sorry, it is not possible to complete our solar radiation analysis for Wilmington at this time.

Historical solar radiation data for Wilmington is not currently available.

Please check back later.

Cost of Utilities in Wilmington

Wilmington Electricity Costs

Electricity prices (residential) in Wilmington averaged 13.25 cents per kilowatthour (¢/kWh) in April 2019, which was about 0% less than the overall U.S. average residential electricity rate of 13.26¢/kWh in April. [3]

Solar Power Poll: Wilmington

Vote now: Given all of the data and analysis provided for Wilmington, is solar power a good choice for residents of this city?

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

Wilmington Natural Gas Costs

Natural gas prices (residential) in Delaware averaged $11.67 per thousand cubic feet (Mcf) in April 2019, which was approximately 7% more than the overall U.S. average residential natural gas rate of $10.92 per Mcf in April. [4]

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Solar Businesses in Wilmington

Solar Energy Contractors in Wilmington

Contractors & builders that specialize in solar panel installations in or near Wilmington, DE.

Sorry, no local solar energy contractors found.

Our search for solar contractors companies located in Wilmington produced no matches.

Solar Energy Equipment in Wilmington

Businesses that sell solar energy equipment and/or solar parts in or near Wilmington, DE.

Sorry, no local business selling solar equipment were found.

Our search for companies selling solar parts located in Wilmington produced no matches.

Energy Conservation Consultants in Wilmington

Energy conservation specialists that offer consulting services in or near Wilmington, DE.

Sorry, no local energy conservation specialists were found.

Our search for energy conservation specialists located in Wilmington produced no matches.

Weather Forecast for Wilmington, DE [5]

Mon Jul 22
72°F
Moderate Rain
Min: 67°F
Max: 72°F
Moderate breeze: 7 mps SW
Precip.: Chance of Rain
Humidity: 95%
Cloud cover: 100%
Tue Jul 23
71°F
Moderate Rain
Min: 63°F
Max: 72°F
: 5 mps WSW
Precip.: Chance of Rain
Humidity: 83%
Cloud cover: 100%
Wed Jul 24
77°F
Light Rain
Min: 61°F
Max: 77°F
Moderate breeze: 6 mps
Precip.: Chance of Rain
Humidity: 61%
Cloud cover: 0%
Thu Jul 25
76°F
Sky Is Clear
Min: 62°F
Max: 77°F
Moderate breeze: 6 mps NW
Precip.: n/a
Humidity: 57%
Cloud cover: 0%
Fri Jul 26
81°F
Sky Is Clear
Min: 65°F
Max: 81°F
Gentle Breeze: 3 mps SSW
Precip.: n/a
Humidity: 53%
Cloud cover: 0%
Sat Jul 27
81°F
Broken Clouds
Min: 63°F
Max: 81°F
Gentle Breeze: 4 mps SSW
Precip.: n/a
Humidity: 59%
Cloud cover: 84%

More about Wilmington

About Wilmington

The city of Wilmington, DE in New Castle County has an approximate population of 70,851. [6]

Wilmington Solar Power

Wilmington, DE Solar Energy

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

Did you know?

About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.

Other Cities in Delaware

ZIP Codes in DE


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References