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Solaro
A roof from above: one slope covered in black panels, the other bare tile, a sharp shadow line between them.

Calculator

Size your solar system

The estimate uses measured irradiation data for your municipality from the European Commission's PVGIS database, with deliberately conservative assumptions. All prices are in KM.

Location and consumption
KM

Use the average of the last 12 months if you can.

Roof
m²

A rough figure is fine. We only count the part that can carry panels.

If you're not sure, leave it on “Not sure”.

Trees, chimneys or neighbouring buildings that cast shade.

Select a municipality

The estimate uses measured irradiation data for your municipality from the European Commission's PVGIS database, with deliberately conservative assumptions. All prices are in KM.