Solar Energy & Solar Power Resources

Solar Power in 61102 (Rockford, IL)

Solar Energy in 61102

Sorry, historical solar radition values for 61102 are currently unavailable, please check back later.

Solar Panels in 61102

Solar panels in 61102 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61102

The total length of the day in 61102 (Rockford, IL) today (June 21, 2026) will be 15 hours and 20 minutes. [More]

Solar Energy in 61102 (Rockford, IL)

Solar Energy Data for 61102

See the chart below to see how different types of solar panel installations compare in 61102.

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

Solar Energy Analysis for 61102

Sorry, it is not possible to complete our solar energy analysis for 61102 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 61102

Solar Radiation Data in 61102

See the chart below for monthly solar radiation levels in 61102.

Sorry, data is not currently available.

Solar Radiation Analysis for 61102

Sorry, it is not possible to complete our solar radiation analysis for 61102 at this time.

Historical solar radiation data for 61102 is not currently available.

Please check back later.

Solar Power Comparison: 61102 vs. the U.S.

Solar Power Levels in 61102

Sorry, solar radiation data for 61102 is not currently available.

Solar Power: 61102 vs. the U.S.

Below is a month-by-month comparison of how average 61102 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 61102

Sunrise / Sunset in 61102

Sunrise/Sunset for June 21, 2026 ^[2]
- Sunrise: 5:18 am
- Sunset: 8:38 pm
- Length of Day: 15:20

Best Months for Solar in 61102

Monthly data not currently available.

Solar Panel Installs in 61102

We do not have data on solar panel installations in ZIP Code 61102 at the current time.

Solar Power Output in 61102

The Power of Solar in 61102

Monthly AC solar system output averages for 61102. Month-by-month solar power, as ranked by AC output, in 61102. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61102

Sorry, it is not possible to complete our solar radiation analysis for 61102 at this time.

Historical solar radiation data for 61102 is not currently available.

Please check back later.

Weather Forecast for 61102 ^[5]

Sun Jun 21

69°F

Moderate Rain
Min: 58°F
Max: 69°F

Moderate breeze: 14 mps ENE
Precip.: Chance of Rain
Humidity: 72%
Cloud cover: 100%

Mon Jun 22

73°F

Scattered Clouds
Min: 57°F
Max: 77°F

Moderate breeze: 13 mps NNE
Precip.: n/a
Humidity: 64%
Cloud cover: 29%

Tue Jun 23

72°F

Sky Is Clear
Min: 51°F
Max: 74°F

Light breeze: 7 mps SW
Precip.: n/a
Humidity: 55%
Cloud cover: 8%

Wed Jun 24

73°F

Light Rain
Min: 58°F
Max: 73°F

Gentle Breeze: 11 mps SW
Precip.: Chance of Rain
Humidity: 71%
Cloud cover: 75%

Thu Jun 25

73°F

Few Clouds
Min: 59°F
Max: 74°F

Gentle Breeze: 10 mps NW
Precip.: n/a
Humidity: 54%
Cloud cover: 17%

Fri Jun 26

75°F

Broken Clouds
Min: 56°F
Max: 75°F

Gentle Breeze: 8 mps ESE
Precip.: n/a
Humidity: 53%
Cloud cover: 77%

More about 61102

About 61102

The ZIP code 61102 is associated with the city of Rockford in Winnebago County in Illinois.

61102 Solar Energy & Power

To learn more about solar energy and solar power in 61102, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.