Solar Energy & Solar Power Resources

Solar Power in 57223 (Castlewood, SD)

Solar Energy in 57223

Sorry, historical solar radition values for 57223 are currently unavailable, please check back later.

Solar Panels in 57223

Solar panels in 57223 that will produce the maximum solar energy output. [More]

Sunrise & Sunset in 57223

The total length of the day in 57223 (Castlewood, SD) today (July 17, 2025) will be 15 hours and 14 minutes. [More]

Solar Energy in 57223 (Castlewood, SD)

Solar Energy Data for 57223

See the chart below to see how different types of solar panel installations compare in 57223.

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

Solar Energy Analysis for 57223

Sorry, it is not possible to complete our solar energy analysis for 57223 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 57223

Solar Radiation Data in 57223

See the chart below for monthly solar radiation levels in 57223.

Sorry, data is not currently available.

Solar Radiation Analysis for 57223

Sorry, it is not possible to complete our solar radiation analysis for 57223 at this time.

Historical solar radiation data for 57223 is not currently available.

Please check back later.

Solar Power Comparison: 57223 vs. the U.S.

Solar Power Levels in 57223

Sorry, solar radiation data for 57223 is not currently available.

Solar Power: 57223 vs. the U.S.

Below is a month-by-month comparison of how average 57223 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 57223

Sunrise / Sunset in 57223

Sunrise/Sunset for July 17, 2025 ^[2]
- Sunrise: 5:57 am
- Sunset: 9:11 pm
- Length of Day: 15:14

Best Months for Solar in 57223

Monthly data not currently available.

Solar Panel Installs in 57223

We do not have data on solar panel installations in ZIP Code 57223 at the current time.

Solar Power Output in 57223

The Power of Solar in 57223

Monthly AC solar system output averages for 57223. Month-by-month solar power, as ranked by AC output, in 57223. ^[2]

AC output data is not currently available.

Solar Output Analysis for 57223

Sorry, it is not possible to complete our solar radiation analysis for 57223 at this time.

Historical solar radiation data for 57223 is not currently available.

Please check back later.

Weather Forecast for 57223 ^[5]

Thu Jul 17

68°F

Few Clouds
Min: 52°F
Max: 70°F

Gentle Breeze: 12 mps E
Precip.: n/a
Humidity: 64%
Cloud cover: 18%

Fri Jul 18

70°F

Heavy Intensity Rain
Min: 57°F
Max: 71°F

Moderate breeze: 14 mps S
Precip.: Chance of Rain
Humidity: 93%
Cloud cover: 85%

Sat Jul 19

67°F

Overcast Clouds
Min: 58°F
Max: 71°F

Moderate breeze: 13 mps NE
Precip.: n/a
Humidity: 81%
Cloud cover: 100%

Sun Jul 20

75°F

Light Rain
Min: 58°F
Max: 78°F

Moderate breeze: 17 mps SE
Precip.: Chance of Rain
Humidity: 65%
Cloud cover: 0%

Mon Jul 21

77°F

Moderate Rain
Min: 66°F
Max: 82°F

Fresh Breeze: 19 mps SSE
Precip.: Chance of Rain
Humidity: 81%
Cloud cover: 81%

Tue Jul 22

85°F

Moderate Rain
Min: 68°F
Max: 89°F

Fresh Breeze: 24 mps W
Precip.: Chance of Rain
Humidity: 70%
Cloud cover: 2%

More about 57223

About 57223

The ZIP code 57223 is associated with the city of Castlewood in Hamlin County in South Dakota.

57223 Solar Energy & Power

To learn more about solar energy and solar power in 57223, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.