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How to choose the correct weather station


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I'm wondering how to best choose the weather station that will be most accurate for running a generation report. It is my understanding that the weather patterns at different weather stations can vary greatly based on the microclimate. However, I have also noticed that class 1 weather stations systematically provide significantly higher production results. Do you know why this is, and whether there is an industry standard for choosing weather files?

Thank you,

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  • 3 weeks later...

There is no rule. We cannot give an advice about the better data source. And this is evolving along the time.

Now I don't see any reason why Meteo stations of higher class would give higher results.

Please have a look on the Help of PVsyst "Meteo Database > Import meteo data", which lists and analyzes all the sources available in PVsyst.

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