S.Faulkner Posted November 2, 2020 Share Posted November 2, 2020 It appears that PVsyst calculates the effective rear mismatch loss by applying the loss (eg 10%) to the rear irradiance BEFORE the bifacial factor is applied, whereas Help says that it is applied after the bifacial factor, ie 10% x GlobBakEn / (GlobBakEn + GlobEff). Actually, from reverse-calculation it looks like it is applied to GlobBak / (GlobBakEn + GlobEff)?I have only checked this with V6.88, not V7.See https://forum.pvsyst.com/viewtopic.php?f=25&t=4992#p11241 Link to comment Share on other sites More sharing options...
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