EA2EQD Posted June 23, 2022 Share Posted June 23, 2022 Hello, I have a doubt regarding how can influence the TMY weather data from two different sources (meteonorm & solargis) on the gain (GHI/POA), I think this must be only geometrical matter. I have run the same model with both databases: v.7.2.16 TMY MN yields a PR of 79.2% and the ratio GHI/POA = 1.29 v.7.2.16 TMY SGis yields a PR of 78.5% and the ratio GHI/POA = 1.27 also, as a reference I have the original version: v.6.53 TMY MN yields a PR of 78.2% and the ratio GHI/POA = 1.29. Link to comment Share on other sites More sharing options...
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