Solar Energy & Solar Power Resources

Solar Power in 61840 (Dewey, IL)

Solar Energy in 61840

Sorry, historical solar radition values for 61840 are currently unavailable, please check back later.

Solar Panels in 61840

Solar panels in 61840 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61840

The total length of the day in 61840 (Dewey, IL) today (May 09, 2026) will be 14 hours and 16 minutes. [More]

Solar Energy in 61840 (Dewey, IL)

Solar Energy Data for 61840

See the chart below to see how different types of solar panel installations compare in 61840.

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

Solar Energy Analysis for 61840

Sorry, it is not possible to complete our solar energy analysis for 61840 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 61840

Solar Radiation Data in 61840

See the chart below for monthly solar radiation levels in 61840.

Sorry, data is not currently available.

Solar Radiation Analysis for 61840

Sorry, it is not possible to complete our solar radiation analysis for 61840 at this time.

Historical solar radiation data for 61840 is not currently available.

Please check back later.

Solar Power Comparison: 61840 vs. the U.S.

Solar Power Levels in 61840

Sorry, solar radiation data for 61840 is not currently available.

Solar Power: 61840 vs. the U.S.

Below is a month-by-month comparison of how average 61840 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 61840

Sunrise / Sunset in 61840

Sunrise/Sunset for May 09, 2026 ^[2]
- Sunrise: 5:41 am
- Sunset: 7:57 pm
- Length of Day: 14:16

Best Months for Solar in 61840

Monthly data not currently available.

Solar Panel Installs in 61840

We do not have data on solar panel installations in ZIP Code 61840 at the current time.

Solar Power Output in 61840

The Power of Solar in 61840

Monthly AC solar system output averages for 61840. Month-by-month solar power, as ranked by AC output, in 61840. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61840

Sorry, it is not possible to complete our solar radiation analysis for 61840 at this time.

Historical solar radiation data for 61840 is not currently available.

Please check back later.

Weather Forecast for 61840 ^[5]

Sat May 9

68°F

Sky Is Clear
Min: 51°F
Max: 71°F

Moderate breeze: 17 mps WSW
Precip.: n/a
Humidity: 55%
Cloud cover: 3%

Sun May 10

61°F

Light Rain
Min: 50°F
Max: 63°F

Moderate breeze: 13 mps N
Precip.: Chance of Rain
Humidity: 40%
Cloud cover: 52%

Mon May 11

61°F

Sky Is Clear
Min: 46°F
Max: 65°F

Gentle Breeze: 12 mps E
Precip.: n/a
Humidity: 42%
Cloud cover: 5%

Tue May 12

67°F

Light Rain
Min: 46°F
Max: 67°F

Moderate breeze: 16 mps SSW
Precip.: Chance of Rain
Humidity: 53%
Cloud cover: 85%

Wed May 13

64°F

Light Rain
Min: 51°F
Max: 65°F

Fresh Breeze: 19 mps NNW
Precip.: Chance of Rain
Humidity: 48%
Cloud cover: 1%

Thu May 14

65°F

Scattered Clouds
Min: 47°F
Max: 69°F

Gentle Breeze: 12 mps S
Precip.: n/a
Humidity: 41%
Cloud cover: 29%

More about 61840

About 61840

The ZIP code 61840 is associated with the city of Dewey in Champaign County in Illinois.

61840 Solar Energy & Power

To learn more about solar energy and solar power in 61840, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.