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Why is the specific annual yield for amorphous modules better than for monocrystalline modules, even when the systems are the same size.

The decisive factor for the yield is the part load efficiency. In this area, amorphous modules usually have a better efficiency than monocrystalline modules. The part load efficiency is presented in the efficiency characteristic curve which can be displayed under "Databases" - "PV Module" - "U/I Char. – Part Load" by clicking the "Efficiency Char. Curve" button.

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