Solar Energy & Solar Power Resources

Solar Power in 61204 (Rock Island, IL)

Solar Energy in 61204

Sorry, historical solar radition values for 61204 are currently unavailable, please check back later.

Solar Panels in 61204

Solar panels in 61204 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 61204

The total length of the day in 61204 (Rock Island, IL) today (September 10, 2026) will be 12 hours and 46 minutes. [More]

Solar Energy in 61204 (Rock Island, IL)

Solar Energy Data for 61204

See the chart below to see how different types of solar panel installations compare in 61204.

Historical solar power output data for Rock Island is not currently available.

Solar Energy Analysis for 61204

Sorry, it is not possible to complete our solar energy analysis for 61204 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 61204

Solar Radiation Data in 61204

See the chart below for monthly solar radiation levels in 61204.

Sorry, data is not currently available.

Solar Radiation Analysis for 61204

Sorry, it is not possible to complete our solar radiation analysis for 61204 at this time.

Historical solar radiation data for 61204 is not currently available.

Please check back later.

Solar Power Comparison: 61204 vs. the U.S.

Solar Power Levels in 61204

Sorry, solar radiation data for 61204 is not currently available.

Solar Power: 61204 vs. the U.S.

Below is a month-by-month comparison of how average 61204 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 61204

Sunrise / Sunset in 61204

Sunrise/Sunset for September 10, 2026 ^[2]
- Sunrise: 6:36 am
- Sunset: 7:22 pm
- Length of Day: 12:46

Best Months for Solar in 61204

Monthly data not currently available.

Solar Panel Installs in 61204

We do not have data on solar panel installations in ZIP Code 61204 at the current time.

Solar Power Output in 61204

The Power of Solar in 61204

Monthly AC solar system output averages for 61204. Month-by-month solar power, as ranked by AC output, in 61204. ^[2]

AC output data is not currently available.

Solar Output Analysis for 61204

Sorry, it is not possible to complete our solar radiation analysis for 61204 at this time.

Historical solar radiation data for 61204 is not currently available.

Please check back later.

Weather Forecast for 61204 ^[5]

Thu Sep 10

75°F

Overcast Clouds
Min: 64°F
Max: 79°F

Light breeze: 6 mps N
Precip.: n/a
Humidity: 68%
Cloud cover: 99%

Fri Sep 11

78°F

Sky Is Clear
Min: 60°F
Max: 81°F

Gentle Breeze: 8 mps SSE
Precip.: n/a
Humidity: 56%
Cloud cover: 0%

Sat Sep 12

83°F

Scattered Clouds
Min: 66°F
Max: 87°F

Gentle Breeze: 11 mps WSW
Precip.: n/a
Humidity: 55%
Cloud cover: 48%

Sun Sep 13

75°F

Light Rain
Min: 58°F
Max: 77°F

Gentle Breeze: 11 mps NE
Precip.: Chance of Rain
Humidity: 39%
Cloud cover: 98%

Mon Sep 14

69°F

Light Rain
Min: 59°F
Max: 82°F

Moderate breeze: 16 mps SSE
Precip.: Chance of Rain
Humidity: 76%
Cloud cover: 100%

Tue Sep 15

72°F

Light Rain
Min: 68°F
Max: 75°F

Gentle Breeze: 9 mps NNW
Precip.: Chance of Rain
Humidity: 87%
Cloud cover: 94%

More about 61204

About 61204

The ZIP code 61204 is associated with the city of Rock Island in Rock Island County in Illinois.

61204 Solar Energy & Power

To learn more about solar energy and solar power in 61204, or for more solar-related resources for IL, check out the U.S. Energy Information Administration.