See the chart below to see how different types of solar panel installations compare in Saint Helena.
Historical solar power output data for Saint Helena 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 Saint Helena.
Sorry, data is not currently available.
Sorry, solar radiation data for California is not currently available.
Below is a month-by-month comparison of how average Saint Helena 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 California is not currently available.
Monthly data not currently available.
We do not currently have data on solar panel installations in the city of Saint Helena, CA at this current time.
Monthly AC solar system output averages for Saint Helena (ca). Month-by-month solar power, as ranked by AC output, in Saint Helena. [2]
AC output data is not currently available.
Sorry, Saint Helena residential electricity prices are currently unavailable.
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Vote now: Given all of the data and analysis provided for Saint Helena, is solar power a good choice for residents of this city?
Sorry, California residential natural gas prices are currently unavailable.
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The city of Saint Helena, CA in Napa County has an approximate population of 5,814. [6]
To learn more about solar energy and solar power Saint Helena, CA, or for more solar-related resources for Saint Helena, visit the U.S. Energy Information Administration.
Nineteen-year-old Edmund Becquerel, a French experimental physicist, discovered the basis of solar energy in 1839.
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