Solar Energy & Solar Power Resources

Solar Power in 61108 (Rockford, IL)

Solar Energy in 61108

Sorry, historical solar radition values for 61108 are currently unavailable, please check back later.

Solar Panels in 61108

Solar panels in 61108 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61108

The total length of the day in 61108 (Rockford, IL) today (October 13, 2026) will be 11 hours and 14 minutes. [More]

Solar Energy in 61108 (Rockford, IL)

Solar Energy Data for 61108

See the chart below to see how different types of solar panel installations compare in 61108.

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

Solar Energy Analysis for 61108

Sorry, it is not possible to complete our solar energy analysis for 61108 at this time.

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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 61108

Solar Radiation Data in 61108

See the chart below for monthly solar radiation levels in 61108.

Sorry, data is not currently available.

Solar Radiation Analysis for 61108

Sorry, it is not possible to complete our solar radiation analysis for 61108 at this time.

Historical solar radiation data for 61108 is not currently available.

Please check back later.

Solar Power Comparison: 61108 vs. the U.S.

Solar Power Levels in 61108

Sorry, solar radiation data for 61108 is not currently available.

Solar Power: 61108 vs. the U.S.

Below is a month-by-month comparison of how average 61108 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 61108

Sunrise / Sunset in 61108

Sunrise/Sunset for October 13, 2026 ^[2]
- Sunrise: 7:05 am
- Sunset: 6:19 pm
- Length of Day: 11:14

Best Months for Solar in 61108

Monthly data not currently available.

Solar Panel Installs in 61108

We do not have data on solar panel installations in ZIP Code 61108 at the current time.

Solar Power Output in 61108

The Power of Solar in 61108

Monthly AC solar system output averages for 61108. Month-by-month solar power, as ranked by AC output, in 61108. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61108

Sorry, it is not possible to complete our solar radiation analysis for 61108 at this time.

Historical solar radiation data for 61108 is not currently available.

Please check back later.

Weather Forecast for 61108 ^[5]

Tue Oct 13

75°F

Moderate Rain
Min: 65°F
Max: 79°F

Moderate breeze: 13 mps SW
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 0%

Wed Oct 14

71°F

Moderate Rain
Min: 58°F
Max: 74°F

Gentle Breeze: 10 mps E
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 25%

Thu Oct 15

59°F

Heavy Intensity Rain
Min: 55°F
Max: 61°F

Moderate breeze: 13 mps NNW
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 100%

Fri Oct 16

55°F

Light Rain
Min: 46°F
Max: 55°F

Fresh Breeze: 23 mps NNW
Precip.: Chance of Rain
Humidity: 53%
Cloud cover: 34%

Sat Oct 17

55°F

Sky Is Clear
Min: 37°F
Max: 57°F

Gentle Breeze: 11 mps SSW
Precip.: n/a
Humidity: 42%
Cloud cover: 0%

Sun Oct 18

61°F

Overcast Clouds
Min: 45°F
Max: 62°F

Moderate breeze: 14 mps SSW
Precip.: n/a
Humidity: 52%
Cloud cover: 89%

More about 61108

About 61108

The ZIP code 61108 is associated with the city of Rockford in Winnebago County in Illinois.

61108 Solar Energy & Power

To learn more about solar energy and solar power in 61108, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.