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Aging and Battery degredation


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If storage is defined within a project variant, does the aging tool calculate the loss for both the PV module and battery degradation, or just for the modules?

If just for the modules, how can I include the effects of battery degradation? For example, do I have to set the SOWCycl and SOWStat and module degradation year manually and run each consecutive year, for example as a separate variant? Or else, can this be done via batch processing?

Thank you in anticipation.


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  • 3 months later...


Currently, degradation only affects PV modules. Regarding the batteries, the degradation is not yet taken into account in the calculations.

The DOD parameter is of course taken into account for the calculation of the stored energy.

In the "Economic Evaluation" tool, you can plan a battery replacement after x year in order to accurately calculate your ROI and LCOE


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