Fernando Martins Posted September 26, 2022 Share Posted September 26, 2022 Dear PVsyst team, I am working in some projects where I can see a high GlobInc gain using default Perez model. Basically, the model is giving numbers higher than ClearSky model calculated by Nrel guidances (gain of transposition ~26%). When using Hay model, the result is more than 1% lower than Perez model and the results (see the picture) raised an alert on that topic, once simulations we received from providers presented lower gain when compared to ours (maybe a local installation issue?). I would like to confirm if the difference in the models are consistent and if Perez model in latest version is really reliable. Link to comment Share on other sites More sharing options...
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