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Solar Modules Deployed In France In 1992 Still Provide 79.5% of Original Output
French photovoltaics group Hespul tested solar panels installed in 1992, reports PV Magazine: The testing showed that the modules still produce on average 79.5% of their initial power after 31 years of operation. In a previous testing carried out 11 years ago, the panels were found to produce 91.7%...
In a previous testing carried out 11 years ago, the panels were found to produce 91.7% of their initial power. "This result exceeds the performance promised by the manufacturers who said the panels would have maintained 80% of their output after 25 years," said Hespul. Moveover, another research study focused on 4,300 residential installations in operation in Europe and used different data processing methodologies.
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