using bifacial modules

[bahram]

recently i am working on PVsyst 7 , and using the bi facial module but the yearly out put power in comparison with mono modules is more than 5-6 % ( capacity of modules , inverters in 2 method are equal ) any one knows about this problem ,regarding to information when using bi-facial pv modules the output must be more than 20%.

B.R

[Bruno Wittmer]

Please see the answer to this topic