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How can I tell if my building is suitable for a solar installation?

Ideally, the roof should be facing directly south at an angle of 30°.
Generally, almost all buildings are suitable for mounting a solar installation. The solar photovoltaic installation requires a certain surface area for assembly on the roof or façade of the building, which can be south-facing, east-facing, or west-facing. For optimum performance, this surface area should be south-facing with a tilt angle of 30°. A slight variance to the south-east/south-west, or a tilt angle between 25° and 60°, will only slightly reduce the amount of energy produced. However, surface areas with drop shadows caused by trees, neighboring buildings, or chimneys should be avoided.

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