Why am I getting inferior value of annual Egrid when I am feeding better values of Voc, Isc, Vmpp and Impp?

[Kshitij Bhargava]

Why am I getting inferior value of annual Egrid when I am feeding better values of Voc, Isc, Vmpp and Impp? I can notice a significant difference in Temperature induced PV loss (in loss diagrams). The cell parameters of Cell 1A is inferior than Cell 24D, however their Egrid is reverse. How to resolve?

[dtarin]

The first module is not "inferior", module efficiency is 20% vs 17%, making it the better module. There must also be a significant difference in the temperature coefficient. 

[André Mermoud]

Please check the definition of the PV module of your first simulation.

The temperature behavior is certainly false. A temperature loss of 0.7% is completely out of expected range.

Except of you are at th North pole, a temperature loss is always several percents. Your second simulation shows a a reasonable temperature loss.