Solar Energy & Solar Power Resources

Solar Energy in Letcher, SD

Solar Energy in Letcher

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

Solar Panels in Letcher

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

Sunrise & Sunset in Letcher

The total length of the day in Letcher, SD today (September 29, 2025) will be 11 hours and 51 minutes. [More]

Solar Power in Letcher, SD

Solar Energy Data in Letcher, SD

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

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

Solar Energy Analysis for Letcher, 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 Letcher

Solar Radiation Data in Letcher, SD

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

Sorry, data is not currently available.

Solar Radiation Analysis for Letcher, SD

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Historical solar radiation data for Letcher is not currently available.

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

Solar Power Levels in Letcher

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

Solar Power: Letcher vs. the U.S.

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

Sunrise / Sunset in Letcher

Sunrise/Sunset for September 29, 2025 ^[2]
- Sunrise: 7:27 am
- Sunset: 7:18 pm
- Length of Day: 11:51

Best Months for Solar in Letcher

Monthly data not currently available.

Solar Panel Installs in Letcher

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

Solar Power Output in Letcher

The Power of Solar in Letcher, SD

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

AC output data is not currently available.

Solar Output Analysis for Letcher, SD

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

Historical solar radiation data for Letcher is not currently available.

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Cost of Utilities in Letcher

Letcher Electricity Costs

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Solar Power Poll: Letcher

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

Letcher Natural Gas Costs

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Weather Forecast for Letcher, SD ^[5]

Mon Sep 29

84°F

Sky Is Clear
Min: 58°F
Max: 87°F

Moderate breeze: 16 mps S
Precip.: n/a
Humidity: 39%
Cloud cover: 0%

Tue Sep 30

82°F

Overcast Clouds
Min: 66°F
Max: 86°F

Fresh Breeze: 21 mps SSE
Precip.: n/a
Humidity: 34%
Cloud cover: 100%

Wed Oct 1

86°F

Broken Clouds
Min: 67°F
Max: 90°F

Fresh Breeze: 20 mps S
Precip.: n/a
Humidity: 28%
Cloud cover: 51%

Thu Oct 2

89°F

Sky Is Clear
Min: 64°F
Max: 94°F

Moderate breeze: 16 mps SSE
Precip.: n/a
Humidity: 28%
Cloud cover: 0%

Fri Oct 3

90°F

Sky Is Clear
Min: 65°F
Max: 95°F

Moderate breeze: 13 mps S
Precip.: n/a
Humidity: 27%
Cloud cover: 7%

Sat Oct 4

88°F

Light Rain
Min: 67°F
Max: 95°F

Moderate breeze: 16 mps SSE
Precip.: Chance of Rain
Humidity: 29%
Cloud cover: 1%

More about Letcher

About Letcher

The town of Letcher, SD in Sanborn County has an approximate population of 173. ^[6]

Letcher, SD Solar Energy

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