Solar Energy & Solar Power Resources

Solar Energy in Harlan, IA

Solar Energy in Harlan

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

Solar Panels in Harlan

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

Sunrise & Sunset in Harlan

The total length of the day in Harlan, IA today (October 29, 2025) will be 10 hours and 33 minutes. [More]

Solar Power in Harlan, IA

Solar Energy Data in Harlan, IA

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

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

Solar Energy Analysis for Harlan, IA

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

Solar Radiation Data in Harlan, IA

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

Sorry, data is not currently available.

Solar Radiation Analysis for Harlan, IA

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

Historical solar radiation data for Harlan is not currently available.

Please check back later.

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

Solar Power Levels in Harlan

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

Solar Power: Harlan vs. the U.S.

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

Sunrise / Sunset in Harlan

Sunrise/Sunset for October 29, 2025 ^[2]
- Sunrise: 7:48 am
- Sunset: 6:21 pm
- Length of Day: 10:33

Best Months for Solar in Harlan

Monthly data not currently available.

Solar Panel Installs in Harlan

We do not currently have data on solar panel installations in the city of Harlan, IA at this current time.

Solar Power Output in Harlan

The Power of Solar in Harlan, IA

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

AC output data is not currently available.

Solar Output Analysis for Harlan, IA

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

Historical solar radiation data for Harlan is not currently available.

Please check back later.

Cost of Utilities in Harlan

Harlan Electricity Costs

Sorry, Harlan residential electricity prices are currently unavailable.

Please check back later.

Solar Power Poll: Harlan

Vote now: Given all of the data and analysis provided for Harlan, is solar power a good choice for residents of this city?

Harlan Natural Gas Costs

Sorry, Iowa residential natural gas prices are currently unavailable.

Please check back later.

Weather Forecast for Harlan, IA ^[5]

Tue Oct 28

48°F

Moderate Rain
Min: 45°F
Max: 51°F

Strong breeze: 27 mps NNW
Precip.: Chance of Rain
Humidity: 90%
Cloud cover: 100%

Wed Oct 29

50°F

Light Rain
Min: 41°F
Max: 52°F

Fresh Breeze: 24 mps N
Precip.: Chance of Rain
Humidity: 67%
Cloud cover: 97%

Thu Oct 30

53°F

Broken Clouds
Min: 38°F
Max: 56°F

Gentle Breeze: 11 mps WNW
Precip.: n/a
Humidity: 51%
Cloud cover: 56%

Fri Oct 31

52°F

Few Clouds
Min: 38°F
Max: 53°F

Moderate breeze: 15 mps WNW
Precip.: n/a
Humidity: 38%
Cloud cover: 11%

Sat Nov 1

46°F

Broken Clouds
Min: 34°F
Max: 46°F

Gentle Breeze: 8 mps NNW
Precip.: n/a
Humidity: 50%
Cloud cover: 51%

Sun Nov 2

49°F

Sky Is Clear
Min: 33°F
Max: 52°F

Gentle Breeze: 12 mps SSW
Precip.: n/a
Humidity: 45%
Cloud cover: 10%

More about Harlan

About Harlan

The city of Harlan, IA in Shelby County has an approximate population of 5,106. ^[6]

Harlan, IA Solar Energy

To learn more about solar energy and solar power Harlan, IA, or for more solar-related resources for Harlan, visit the U.S. Energy Information Administration.