OY Not Solar - Panels - Grid Tie - Off Grid
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Solar insolation Map

This is a North American (USA) Solar Insolation Map showing the amount of sun energy in hours (peak sun hours) received each day on an optimally tilted surface during the worst month of the year. Based on accumulated solar insolation data.

Look on the solar insolation map to find your location and the amount of hours of peak solar insolation. The dotted lines are the middle of the zone.

The map below is a worse case insolation map.
This is a Solar Insolation Map for the USA and South America OY Not Solar Products
Click Image to enlarge (Opens in a new window)

Once you know the solar insolation for your area go back to the Solar Kit Systems How To page and complete the sizing of your system.