Solar Energy & Solar Power Resources

Solar Power in 61740 (Flanagan, IL)

Solar Energy in 61740

Sorry, historical solar radition values for 61740 are currently unavailable, please check back later.

Solar Panels in 61740

Solar panels in 61740 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61740

The total length of the day in 61740 (Flanagan, IL) today (February 24, 2026) will be 11 hours and 7 minutes. [More]

Solar Energy in 61740 (Flanagan, IL)

Solar Energy Data for 61740

See the chart below to see how different types of solar panel installations compare in 61740.

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

Solar Energy Analysis for 61740

Sorry, it is not possible to complete our solar energy analysis for 61740 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 61740

Solar Radiation Data in 61740

See the chart below for monthly solar radiation levels in 61740.

Sorry, data is not currently available.

Solar Radiation Analysis for 61740

Sorry, it is not possible to complete our solar radiation analysis for 61740 at this time.

Historical solar radiation data for 61740 is not currently available.

Please check back later.

Solar Power Comparison: 61740 vs. the U.S.

Solar Power Levels in 61740

Sorry, solar radiation data for 61740 is not currently available.

Solar Power: 61740 vs. the U.S.

Below is a month-by-month comparison of how average 61740 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 61740

Sunrise / Sunset in 61740

Sunrise/Sunset for February 24, 2026 ^[2]
- Sunrise: 6:35 am
- Sunset: 5:42 pm
- Length of Day: 11:7

Best Months for Solar in 61740

Monthly data not currently available.

Solar Panel Installs in 61740

We do not have data on solar panel installations in ZIP Code 61740 at the current time.

Solar Power Output in 61740

The Power of Solar in 61740

Monthly AC solar system output averages for 61740. Month-by-month solar power, as ranked by AC output, in 61740. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61740

Sorry, it is not possible to complete our solar radiation analysis for 61740 at this time.

Historical solar radiation data for 61740 is not currently available.

Please check back later.

Weather Forecast for 61740 ^[5]

Tue Feb 24

32°F

Light Rain
Min: 21°F
Max: 41°F

Fresh Breeze: 20 mps S
Precip.: Chance of Rain
Humidity: 45%
Cloud cover: 100%

Wed Feb 25

38°F

Light Snow
Min: 26°F
Max: 40°F

Moderate breeze: 14 mps WNW
Precip.: Chance of Snow
Humidity: 43%
Cloud cover: 34%

Thu Feb 26

37°F

Light Snow
Min: 25°F
Max: 41°F

Gentle Breeze: 8 mps NNE
Precip.: Chance of Snow
Humidity: 35%
Cloud cover: 30%

Fri Feb 27

52°F

Few Clouds
Min: 31°F
Max: 58°F

Moderate breeze: 18 mps SW
Precip.: n/a
Humidity: 54%
Cloud cover: 19%

Sat Feb 28

47°F

Sky Is Clear
Min: 36°F
Max: 47°F

Moderate breeze: 13 mps NE
Precip.: n/a
Humidity: 37%
Cloud cover: 3%

Sun Mar 1

37°F

Snow
Min: 29°F
Max: 37°F

Moderate breeze: 17 mps ENE
Precip.: Chance of Snow
Humidity: 40%
Cloud cover: 100%

More about 61740

About 61740

The ZIP code 61740 is associated with the city of Flanagan in Livingston County in Illinois.

61740 Solar Energy & Power

To learn more about solar energy and solar power in 61740, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.