Solar Energy & Solar Power Resources

Solar Power in 57421 (Amherst, SD)

Solar Energy in 57421

Sorry, historical solar radition values for 57421 are currently unavailable, please check back later.

Solar Panels in 57421

Solar panels in 57421 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 57421

The total length of the day in 57421 (Amherst, SD) today (December 24, 2025) will be 8 hours and 44 minutes. [More]

Solar Energy in 57421 (Amherst, SD)

Solar Energy Data for 57421

See the chart below to see how different types of solar panel installations compare in 57421.

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

Solar Energy Analysis for 57421

Sorry, it is not possible to complete our solar energy analysis for 57421 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 57421

Solar Radiation Data in 57421

See the chart below for monthly solar radiation levels in 57421.

Sorry, data is not currently available.

Solar Radiation Analysis for 57421

Sorry, it is not possible to complete our solar radiation analysis for 57421 at this time.

Historical solar radiation data for 57421 is not currently available.

Please check back later.

Solar Power Comparison: 57421 vs. the U.S.

Solar Power Levels in 57421

Sorry, solar radiation data for 57421 is not currently available.

Solar Power: 57421 vs. the U.S.

Below is a month-by-month comparison of how average 57421 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 57421

Sunrise / Sunset in 57421

Sunrise/Sunset for December 24, 2025 ^[2]
- Sunrise: 8:09 am
- Sunset: 4:53 pm
- Length of Day: 8:44

Best Months for Solar in 57421

Monthly data not currently available.

Solar Panel Installs in 57421

We do not have data on solar panel installations in ZIP Code 57421 at the current time.

Solar Power Output in 57421

The Power of Solar in 57421

Monthly AC solar system output averages for 57421. Month-by-month solar power, as ranked by AC output, in 57421. ^[2]

AC output data is not currently available.

Solar Output Analysis for 57421

Sorry, it is not possible to complete our solar radiation analysis for 57421 at this time.

Historical solar radiation data for 57421 is not currently available.

Please check back later.

Weather Forecast for 57421 ^[5]

Wed Dec 24

32°F

Overcast Clouds
Min: 18°F
Max: 33°F

Moderate breeze: 13 mps NNE
Precip.: n/a
Humidity: 88%
Cloud cover: 96%

Thu Dec 25

33°F

Overcast Clouds
Min: 18°F
Max: 37°F

Moderate breeze: 13 mps SE
Precip.: n/a
Humidity: 83%
Cloud cover: 100%

Fri Dec 26

30°F

Sky Is Clear
Min: 23°F
Max: 33°F

Gentle Breeze: 11 mps NNW
Precip.: n/a
Humidity: 82%
Cloud cover: 7%

Sat Dec 27

37°F

Overcast Clouds
Min: 27°F
Max: 37°F

Moderate breeze: 17 mps NNW
Precip.: n/a
Humidity: 90%
Cloud cover: 99%

Sun Dec 28

9°F

Overcast Clouds
Min: 9°F
Max: 22°F

Fresh Breeze: 22 mps NW
Precip.: n/a
Humidity: 64%
Cloud cover: 100%

Mon Dec 29

11°F

Sky Is Clear
Min: 7°F
Max: 18°F

Moderate breeze: 13 mps NW
Precip.: n/a
Humidity: 59%
Cloud cover: 5%

More about 57421

About 57421

The ZIP code 57421 is associated with the city of Amherst in Marshall County in South Dakota.

57421 Solar Energy & Power

To learn more about solar energy and solar power in 57421, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.