Solar Energy & Solar Power Resources

Solar Energy in Naperville, IL

Solar Energy in Naperville

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

Solar Panels in Naperville

Solar panels in Naperville that will produce the maximum solar energy output. [More]

Sunrise & Sunset in Naperville

The total length of the day in Naperville, IL today (August 21, 2026) will be 13 hours and 39 minutes. [More]

Solar Power in Naperville, IL

Solar Energy Data in Naperville, IL

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

Historical solar power output data for Naperville is not currently available.

Solar Energy Analysis for Naperville, IL

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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 Naperville

Solar Radiation Data in Naperville, IL

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

Sorry, data is not currently available.

Solar Radiation Analysis for Naperville, IL

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

Historical solar radiation data for Naperville is not currently available.

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

Solar Power Levels in Naperville

Sorry, solar radiation data for Illinois is not currently available.

Solar Power: Naperville vs. the U.S.

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

Sorry, solar radiation data for Illinois is not currently available.

Solar Data & Statistics for Naperville

Sunrise / Sunset in Naperville

Sunrise/Sunset for August 21, 2026 ^[2]
- Sunrise: 6:06 am
- Sunset: 7:45 pm
- Length of Day: 13:39

Best Months for Solar in Naperville

Monthly data not currently available.

Solar Panel Installs in Naperville

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

Solar Power Output in Naperville

The Power of Solar in Naperville, IL

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

AC output data is not currently available.

Solar Output Analysis for Naperville, IL

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

Historical solar radiation data for Naperville is not currently available.

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Cost of Utilities in Naperville

Naperville Electricity Costs

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Solar Power Poll: Naperville

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

Naperville Natural Gas Costs

Sorry, Illinois residential natural gas prices are currently unavailable.

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Weather Forecast for Naperville, IL ^[5]

Fri Aug 21

72°F

Moderate Rain
Min: 61°F
Max: 81°F

Gentle Breeze: 10 mps SW
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 80%

Sat Aug 22

80°F

Sky Is Clear
Min: 62°F
Max: 82°F

Moderate breeze: 15 mps NW
Precip.: n/a
Humidity: 63%
Cloud cover: 0%

Sun Aug 23

72°F

Sky Is Clear
Min: 59°F
Max: 74°F

Gentle Breeze: 11 mps NW
Precip.: n/a
Humidity: 56%
Cloud cover: 1%

Mon Aug 24

75°F

Scattered Clouds
Min: 57°F
Max: 76°F

Gentle Breeze: 8 mps WNW
Precip.: n/a
Humidity: 57%
Cloud cover: 46%

Tue Aug 25

73°F

Broken Clouds
Min: 60°F
Max: 76°F

Light breeze: 7 mps SSW
Precip.: n/a
Humidity: 70%
Cloud cover: 84%

Wed Aug 26

79°F

Light Rain
Min: 64°F
Max: 79°F

Gentle Breeze: 10 mps SSW
Precip.: Chance of Rain
Humidity: 73%
Cloud cover: 26%

More about Naperville

About Naperville

The city of Naperville, IL in DuPage County has an approximate population of 141,853. ^[6]

Naperville, IL Solar Energy

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