Solar Energy & Solar Power Resources

Solar Power in 61401 (Galesburg, IL)

Solar Energy in 61401

Sorry, historical solar radition values for 61401 are currently unavailable, please check back later.

Solar Panels in 61401

Solar panels in 61401 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61401

The total length of the day in 61401 (Galesburg, IL) today (August 14, 2025) will be 13 hours and 53 minutes. [More]

Solar Energy in 61401 (Galesburg, IL)

Solar Energy Data for 61401

See the chart below to see how different types of solar panel installations compare in 61401.

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

Solar Energy Analysis for 61401

Sorry, it is not possible to complete our solar energy analysis for 61401 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 61401

Solar Radiation Data in 61401

See the chart below for monthly solar radiation levels in 61401.

Sorry, data is not currently available.

Solar Radiation Analysis for 61401

Sorry, it is not possible to complete our solar radiation analysis for 61401 at this time.

Historical solar radiation data for 61401 is not currently available.

Please check back later.

Solar Power Comparison: 61401 vs. the U.S.

Solar Power Levels in 61401

Sorry, solar radiation data for 61401 is not currently available.

Solar Power: 61401 vs. the U.S.

Below is a month-by-month comparison of how average 61401 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 61401

Sunrise / Sunset in 61401

Sunrise/Sunset for August 14, 2025 ^[2]
- Sunrise: 6:09 am
- Sunset: 8:02 pm
- Length of Day: 13:53

Best Months for Solar in 61401

Monthly data not currently available.

Solar Panel Installs in 61401

We do not have data on solar panel installations in ZIP Code 61401 at the current time.

Solar Power Output in 61401

The Power of Solar in 61401

Monthly AC solar system output averages for 61401. Month-by-month solar power, as ranked by AC output, in 61401. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61401

Sorry, it is not possible to complete our solar radiation analysis for 61401 at this time.

Historical solar radiation data for 61401 is not currently available.

Please check back later.

Weather Forecast for 61401 ^[5]

Thu Aug 14

80°F

Sky Is Clear
Min: 62°F
Max: 86°F

Light breeze: 7 mps ESE
Precip.: n/a
Humidity: 65%
Cloud cover: 0%

Fri Aug 15

84°F

Scattered Clouds
Min: 66°F
Max: 87°F

Gentle Breeze: 9 mps S
Precip.: n/a
Humidity: 70%
Cloud cover: 32%

Sat Aug 16

89°F

Sky Is Clear
Min: 71°F
Max: 92°F

Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 62%
Cloud cover: 1%

Sun Aug 17

90°F

Sky Is Clear
Min: 72°F
Max: 92°F

Gentle Breeze: 10 mps S
Precip.: n/a
Humidity: 61%
Cloud cover: 4%

Mon Aug 18

86°F

Overcast Clouds
Min: 74°F
Max: 89°F

Gentle Breeze: 8 mps S
Precip.: n/a
Humidity: 67%
Cloud cover: 99%

Tue Aug 19

89°F

Moderate Rain
Min: 70°F
Max: 89°F

Gentle Breeze: 10 mps WNW
Precip.: Chance of Rain
Humidity: 61%
Cloud cover: 61%

More about 61401

About 61401

The ZIP code 61401 is associated with the city of Galesburg in Knox County in Illinois.

61401 Solar Energy & Power

To learn more about solar energy and solar power in 61401, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.