Solar Energy & Solar Power Resources

Solar Power in 61866 (Rantoul, IL)

Solar Energy in 61866

Sorry, historical solar radition values for 61866 are currently unavailable, please check back later.

Solar Panels in 61866

Solar panels in 61866 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61866

The total length of the day in 61866 (Rantoul, IL) today (August 18, 2026) will be 13 hours and 42 minutes. [More]

Solar Energy in 61866 (Rantoul, IL)

Solar Energy Data for 61866

See the chart below to see how different types of solar panel installations compare in 61866.

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

Solar Energy Analysis for 61866

Sorry, it is not possible to complete our solar energy analysis for 61866 at this time.

Please check back later.

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 61866

Solar Radiation Data in 61866

See the chart below for monthly solar radiation levels in 61866.

Sorry, data is not currently available.

Solar Radiation Analysis for 61866

Sorry, it is not possible to complete our solar radiation analysis for 61866 at this time.

Historical solar radiation data for 61866 is not currently available.

Please check back later.

Solar Power Comparison: 61866 vs. the U.S.

Solar Power Levels in 61866

Sorry, solar radiation data for 61866 is not currently available.

Solar Power: 61866 vs. the U.S.

Below is a month-by-month comparison of how average 61866 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 61866

Sunrise / Sunset in 61866

Sunrise/Sunset for August 18, 2026 ^[2]
- Sunrise: 6:05 am
- Sunset: 7:47 pm
- Length of Day: 13:42

Best Months for Solar in 61866

Monthly data not currently available.

Solar Panel Installs in 61866

We do not have data on solar panel installations in ZIP Code 61866 at the current time.

Solar Power Output in 61866

The Power of Solar in 61866

Monthly AC solar system output averages for 61866. Month-by-month solar power, as ranked by AC output, in 61866. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61866

Sorry, it is not possible to complete our solar radiation analysis for 61866 at this time.

Historical solar radiation data for 61866 is not currently available.

Please check back later.

Weather Forecast for 61866 ^[5]

Tue Aug 18

79°F

Broken Clouds
Min: 62°F
Max: 81°F

Gentle Breeze: 8 mps WSW
Precip.: n/a
Humidity: 76%
Cloud cover: 56%

Wed Aug 19

78°F

Moderate Rain
Min: 67°F
Max: 80°F

Gentle Breeze: 11 mps SW
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 100%

Thu Aug 20

75°F

Sky Is Clear
Min: 62°F
Max: 78°F

Light breeze: 7 mps NE
Precip.: n/a
Humidity: 71%
Cloud cover: 7%

Fri Aug 21

75°F

Overcast Clouds
Min: 62°F
Max: 77°F

Light breeze: 4 mps SSE
Precip.: n/a
Humidity: 69%
Cloud cover: 100%

Sat Aug 22

79°F

Light Rain
Min: 64°F
Max: 79°F

Gentle Breeze: 10 mps NNW
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 16%

Sun Aug 23

73°F

Broken Clouds
Min: 60°F
Max: 75°F

Light breeze: 7 mps NNE
Precip.: n/a
Humidity: 64%
Cloud cover: 63%

More about 61866

About 61866

The ZIP code 61866 is associated with the city of Rantoul in Champaign County in Illinois.

61866 Solar Energy & Power

To learn more about solar energy and solar power in 61866, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.