Many solar panels come with a 20 or 25 year warranty these days; but most modules haven't been installed for anywhere near that long. Will they last the distance? It's already been proven they can in real-world conditions. Kyocera Corporation, which has been involved in solar energy technology for over 35 years, recently provided details of Kyocera solar panel installations that are still performing well after 25 years. The first installation is in Sweden; a façade-mounted 2.1kW array that been operational since 1984 - 27 years ago. Kyocera says there has been no significant change in performance in the modules. Another system installed in 1984 is at Kyocera's Sakura Solar Energy Center near Tokyo. The 43kW array continues to generate a stable amount of electricity today.
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