Solar Energy & Solar Power Resources

Solar Energy in Rapid City, SD

Solar Energy in Rapid City

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

Solar Panels in Rapid City

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

Sunrise & Sunset in Rapid City

The total length of the day in Rapid City, SD today (August 28, 2026) will be 13 hours and 27 minutes. [More]

Solar Power in Rapid City, SD

Solar Energy Data in Rapid City, SD

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

Historical solar power output data for Rapid City is not currently available.

Solar Energy Analysis for Rapid City, SD

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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 Rapid City

Solar Radiation Data in Rapid City, SD

See the chart below for monthly solar radiation levels in Rapid City.

Sorry, data is not currently available.

Solar Radiation Analysis for Rapid City, SD

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

Historical solar radiation data for Rapid City is not currently available.

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Solar Power Comparison: Rapid City vs. the U.S.

Solar Power Levels in Rapid City

Sorry, solar radiation data for South Dakota is not currently available.

Solar Power: Rapid City vs. the U.S.

Below is a month-by-month comparison of how average Rapid City 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 Rapid City

Sunrise / Sunset in Rapid City

Sunrise/Sunset for August 28, 2026 ^[2]
- Sunrise: 6:10 am
- Sunset: 7:37 pm
- Length of Day: 13:27

Best Months for Solar in Rapid City

Monthly data not currently available.

Solar Panel Installs in Rapid City

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

Solar Power Output in Rapid City

The Power of Solar in Rapid City, SD

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

AC output data is not currently available.

Solar Output Analysis for Rapid City, SD

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

Historical solar radiation data for Rapid City is not currently available.

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Cost of Utilities in Rapid City

Rapid City Electricity Costs

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Solar Power Poll: Rapid City

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

Rapid City Natural Gas Costs

Sorry, South Dakota residential natural gas prices are currently unavailable.

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Weather Forecast for Rapid City, SD ^[5]

Fri Aug 28

91°F

Light Rain
Min: 67°F
Max: 93°F

Moderate breeze: 15 mps N
Precip.: Chance of Rain
Humidity: 34%
Cloud cover: 86%

Sat Aug 29

89°F

Broken Clouds
Min: 64°F
Max: 96°F

Moderate breeze: 15 mps WSW
Precip.: n/a
Humidity: 23%
Cloud cover: 78%

Sun Aug 30

91°F

Broken Clouds
Min: 65°F
Max: 93°F

Fresh Breeze: 22 mps WSW
Precip.: n/a
Humidity: 23%
Cloud cover: 82%

Mon Aug 31

91°F

Few Clouds
Min: 62°F
Max: 94°F

Fresh Breeze: 20 mps NNE
Precip.: n/a
Humidity: 14%
Cloud cover: 20%

Tue Sep 1

82°F

Overcast Clouds
Min: 69°F
Max: 84°F

Moderate breeze: 14 mps SSE
Precip.: n/a
Humidity: 22%
Cloud cover: 97%

Wed Sep 2

95°F

Light Rain
Min: 69°F
Max: 95°F

High wind, near gale: 33 mps SW
Precip.: Chance of Rain
Humidity: 15%
Cloud cover: 29%

More about Rapid City

About Rapid City

The city of Rapid City, SD in Pennington County has an approximate population of 67,956. ^[6]

Rapid City, SD Solar Energy

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