Solar Energy & Solar Power Resources

Solar Power in 61402 (Galesburg, IL)

Solar Energy in 61402

Sorry, historical solar radition values for 61402 are currently unavailable, please check back later.

Solar Panels in 61402

Solar panels in 61402 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61402

The total length of the day in 61402 (Galesburg, IL) today (August 15, 2026) will be 13 hours and 51 minutes. [More]

Solar Energy in 61402 (Galesburg, IL)

Solar Energy Data for 61402

See the chart below to see how different types of solar panel installations compare in 61402.

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

Solar Energy Analysis for 61402

Sorry, it is not possible to complete our solar energy analysis for 61402 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 61402

Solar Radiation Data in 61402

See the chart below for monthly solar radiation levels in 61402.

Sorry, data is not currently available.

Solar Radiation Analysis for 61402

Sorry, it is not possible to complete our solar radiation analysis for 61402 at this time.

Historical solar radiation data for 61402 is not currently available.

Please check back later.

Solar Power Comparison: 61402 vs. the U.S.

Solar Power Levels in 61402

Sorry, solar radiation data for 61402 is not currently available.

Solar Power: 61402 vs. the U.S.

Below is a month-by-month comparison of how average 61402 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 61402

Sunrise / Sunset in 61402

Sunrise/Sunset for August 15, 2026 ^[2]
- Sunrise: 6:10 am
- Sunset: 8:01 pm
- Length of Day: 13:51

Best Months for Solar in 61402

Monthly data not currently available.

Solar Panel Installs in 61402

We do not have data on solar panel installations in ZIP Code 61402 at the current time.

Solar Power Output in 61402

The Power of Solar in 61402

Monthly AC solar system output averages for 61402. Month-by-month solar power, as ranked by AC output, in 61402. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61402

Sorry, it is not possible to complete our solar radiation analysis for 61402 at this time.

Historical solar radiation data for 61402 is not currently available.

Please check back later.

Weather Forecast for 61402 ^[5]

Sat Aug 15

83°F

Moderate Rain
Min: 72°F
Max: 88°F

Gentle Breeze: 10 mps S
Precip.: Chance of Rain
Humidity: 72%
Cloud cover: 84%

Sun Aug 16

80°F

Moderate Rain
Min: 66°F
Max: 82°F

Moderate breeze: 13 mps NW
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 95%

Mon Aug 17

78°F

Few Clouds
Min: 63°F
Max: 79°F

Light breeze: 7 mps SE
Precip.: n/a
Humidity: 60%
Cloud cover: 22%

Tue Aug 18

78°F

Light Rain
Min: 62°F
Max: 84°F

Gentle Breeze: 11 mps SW
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 73%

Wed Aug 19

76°F

Moderate Rain
Min: 65°F
Max: 79°F

Gentle Breeze: 11 mps NNE
Precip.: Chance of Rain
Humidity: 72%
Cloud cover: 81%

Thu Aug 20

75°F

Overcast Clouds
Min: 63°F
Max: 76°F

Gentle Breeze: 8 mps S
Precip.: n/a
Humidity: 72%
Cloud cover: 88%

More about 61402

About 61402

The ZIP code 61402 is associated with the city of Galesburg in Knox County in Illinois.

61402 Solar Energy & Power

To learn more about solar energy and solar power in 61402, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.