Solar Energy & Solar Power Resources

Solar Power in 57520 (Agar, SD)

Solar Energy in 57520

Sorry, historical solar radition values for 57520 are currently unavailable, please check back later.

Solar Panels in 57520

Solar panels in 57520 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 57520

The total length of the day in 57520 (Agar, SD) today (March 26, 2026) will be 12 hours and 32 minutes. [More]

Solar Energy in 57520 (Agar, SD)

Solar Energy Data for 57520

See the chart below to see how different types of solar panel installations compare in 57520.

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

Solar Energy Analysis for 57520

Sorry, it is not possible to complete our solar energy analysis for 57520 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 57520

Solar Radiation Data in 57520

See the chart below for monthly solar radiation levels in 57520.

Sorry, data is not currently available.

Solar Radiation Analysis for 57520

Sorry, it is not possible to complete our solar radiation analysis for 57520 at this time.

Historical solar radiation data for 57520 is not currently available.

Please check back later.

Solar Power Comparison: 57520 vs. the U.S.

Solar Power Levels in 57520

Sorry, solar radiation data for 57520 is not currently available.

Solar Power: 57520 vs. the U.S.

Below is a month-by-month comparison of how average 57520 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 South Dakota is not currently available.

Solar Data & Statistics for 57520

Sunrise / Sunset in 57520

Sunrise/Sunset for March 26, 2026 ^[2]
- Sunrise: 7:29 am
- Sunset: 8:01 pm
- Length of Day: 12:32

Best Months for Solar in 57520

Monthly data not currently available.

Solar Panel Installs in 57520

We do not have data on solar panel installations in ZIP Code 57520 at the current time.

Solar Power Output in 57520

The Power of Solar in 57520

Monthly AC solar system output averages for 57520. Month-by-month solar power, as ranked by AC output, in 57520. ^[2]

AC output data is not currently available.

Solar Output Analysis for 57520

Sorry, it is not possible to complete our solar radiation analysis for 57520 at this time.

Historical solar radiation data for 57520 is not currently available.

Please check back later.

Weather Forecast for 57520 ^[5]

Thu Mar 26

36°F

Light Snow
Min: 33°F
Max: 55°F

Fresh Breeze: 19 mps N
Precip.: Chance of Snow
Humidity: 72%
Cloud cover: 99%

Fri Mar 27

39°F

Sky Is Clear
Min: 27°F
Max: 46°F

Fresh Breeze: 20 mps NW
Precip.: n/a
Humidity: 34%
Cloud cover: 3%

Sat Mar 28

62°F

Broken Clouds
Min: 37°F
Max: 70°F

Fresh Breeze: 20 mps S
Precip.: n/a
Humidity: 23%
Cloud cover: 58%

Sun Mar 29

63°F

Broken Clouds
Min: 42°F
Max: 69°F

Gentle Breeze: 12 mps ENE
Precip.: n/a
Humidity: 30%
Cloud cover: 59%

Mon Mar 30

58°F

Overcast Clouds
Min: 42°F
Max: 68°F

Moderate breeze: 16 mps E
Precip.: n/a
Humidity: 40%
Cloud cover: 96%

Tue Mar 31

78°F

Overcast Clouds
Min: 54°F
Max: 78°F

Fresh Breeze: 21 mps N
Precip.: n/a
Humidity: 19%
Cloud cover: 87%

More about 57520

About 57520

The ZIP code 57520 is associated with the city of Agar in Sully County in South Dakota.

57520 Solar Energy & Power

To learn more about solar energy and solar power in 57520, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.