Researchers assess degradation in PV systems older than 15 years
Scientists at the Polish Academy of Sciences have studied PV installations older than 15 years and observed a decrease in energy productivity ranging from 1.9% to 2.9% over a 16-year period. They conducted their tests on two rooftop PV systems in Sinsheim, a town in southwestern Germany. The first system, a 37.8 kW grid-connected array, consists of …
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