See the chart below to see how different types of solar panel installations compare in 57799.
Historical solar power output data for Spearfish is not currently available.
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: 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: 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.
See the chart below for monthly solar radiation levels in 57799.
Sorry, data is not currently available.
Sorry, solar radiation data for 57799 is not currently available.
Below is a month-by-month comparison of how average 57799 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.
Monthly data not currently available.
We do not have data on solar panel installations in ZIP Code 57799 at the current time.
Monthly AC solar system output averages for 57799. Month-by-month solar power, as ranked by AC output, in 57799. [2]
AC output data is not currently available.
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The ZIP code 57799 is associated with the city of Spearfish in Lawrence County in South Dakota.
To learn more about solar energy and solar power in 57799, or for more solar-related resources for SD, check out the U.S. Energy Information Administration.
About half of the sun's energy is absorbed by the Earth's surface; about 30 percent is reflected back from the surface.
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