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different energy values


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Hey there,

I remember reading a similar question sometime in this Forum but couldn't find it in the moment. The question is, I see different energy values in the report. 

the monthly generation values adds upto 14.191 kWh



where as,  the value post the losses shows 17.993 kWh but at the end the PV Generated Energy values shows 18.004 kWh. could you please help me with this?


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Hi Vishnu,

the first result that you show is the energy yield according to EnEV (German Standard "Energieeinspeiseverordnung") and is calculated with the (simple) formulas given in the standard.


The second result is the energy balance that is an output from our simulation core.


So, if you want to have a "Nachweis" for the German EnEV, take the first results. If you want to have a detailed and validated simulation of your PV plant, take the second :)

Kind regards,


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