Solar Energy & Solar Power Resources

Solar Power in 50138 (Knoxville, IA)

Solar Energy in 50138

Sorry, historical solar radition values for 50138 are currently unavailable, please check back later.

Solar Panels in 50138

Solar panels in 50138 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 50138

The total length of the day in 50138 (Knoxville, IA) today (June 25, 2026) will be 15 hours and 13 minutes. [More]

Solar Energy in 50138 (Knoxville, IA)

Solar Energy Data for 50138

See the chart below to see how different types of solar panel installations compare in 50138.

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

Solar Energy Analysis for 50138

Sorry, it is not possible to complete our solar energy analysis for 50138 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 50138

Solar Radiation Data in 50138

See the chart below for monthly solar radiation levels in 50138.

Sorry, data is not currently available.

Solar Radiation Analysis for 50138

Sorry, it is not possible to complete our solar radiation analysis for 50138 at this time.

Historical solar radiation data for 50138 is not currently available.

Please check back later.

Solar Power Comparison: 50138 vs. the U.S.

Solar Power Levels in 50138

Sorry, solar radiation data for 50138 is not currently available.

Solar Power: 50138 vs. the U.S.

Below is a month-by-month comparison of how average 50138 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 Iowa is not currently available.

Solar Data & Statistics for 50138

Sunrise / Sunset in 50138

Sunrise/Sunset for June 25, 2026 ^[2]
- Sunrise: 5:38 am
- Sunset: 8:51 pm
- Length of Day: 15:13

Best Months for Solar in 50138

Monthly data not currently available.

Solar Panel Installs in 50138

We do not have data on solar panel installations in ZIP Code 50138 at the current time.

Solar Power Output in 50138

The Power of Solar in 50138

Monthly AC solar system output averages for 50138. Month-by-month solar power, as ranked by AC output, in 50138. ^[2]

AC output data is not currently available.

Solar Output Analysis for 50138

Sorry, it is not possible to complete our solar radiation analysis for 50138 at this time.

Historical solar radiation data for 50138 is not currently available.

Please check back later.

Weather Forecast for 50138 ^[5]

Thu Jun 25

75°F

Overcast Clouds
Min: 63°F
Max: 79°F

Light breeze: 8 mps NW
Precip.: n/a
Humidity: 65%
Cloud cover: 100%

Fri Jun 26

76°F

Broken Clouds
Min: 61°F
Max: 79°F

Gentle Breeze: 11 mps E
Precip.: n/a
Humidity: 81%
Cloud cover: 81%

Sat Jun 27

76°F

Heavy Intensity Rain
Min: 63°F
Max: 79°F

Moderate breeze: 16 mps SE
Precip.: Chance of Rain
Humidity: 88%
Cloud cover: 100%

Sun Jun 28

86°F

Light Rain
Min: 70°F
Max: 88°F

Moderate breeze: 15 mps S
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 26%

Mon Jun 29

86°F

Broken Clouds
Min: 73°F
Max: 88°F

Moderate breeze: 18 mps SSW
Precip.: n/a
Humidity: 72%
Cloud cover: 60%

Tue Jun 30

88°F

Sky Is Clear
Min: 75°F
Max: 90°F

Moderate breeze: 14 mps SSW
Precip.: n/a
Humidity: 66%
Cloud cover: 0%

More about 50138

About 50138

The ZIP code 50138 is associated with the city of Knoxville in Marion County in Iowa.

50138 Solar Energy & Power

To learn more about solar energy and solar power in 50138, or for more solar-related resources for IA, check out the U.S. Energy Information Administration.