Solar Insolation Map - World

Use this solar insolation map to help you size a solar electric (PV) system to meet your needs during the periods of the year with the shortest amount of sunshine for your location.

World Solar Insolation Values

 

This map shows the amount of solar energy in hours, received each day on an optimally tilted surface during the worst month of the year.
(Based on accumulated worldwide solar insolation data.)
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