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Performance Ratio required for several years


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Dear leojan,

this kind of information is not available in PV*SOL, and it can't be. I'd guess that you as a PV system vendor/installer would have to develop a suitable PR warranty yourself. What PR can you guarantee to your customer? A warranty like that would be mostly based on the PV module performance guarantee (which the manufacturer is providing, like 90% of the original output power over 20 years or so), and some kind of service agreement with respect to the functionality of the inverters and so on.

Kind regards,


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