FAQ

What size of array is required to deliver an output of 1kWp?

The active surface of a solar panel depends on the kind of photovoltaic conversion technology being used. Generally speaking, amorphous silicon panels and other methods based on thin film technology offer per square metre yields* (50 to 110 Wp/m²) that are lower than panels made of crystalline silicon (100 to 135 Wp/m²). It’s for this reason that the arrays fitted by Solairedirect are exclusively composed of crystalline silicon panels, which also offer the advantage of a longer operational life span. As a rough guide, we can say that to have 1 kWp installed capacity requires, on average, the use of a surface area of about 10m² (between 8 and 12m² depending on how the array is to be installed).

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