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The article you read was published in 2010. The advancements in technology are not static. What you read then is no longer relevant today.There was an article about solar panel reliability. They found out that panels made in 2010 stated to degrade much faster just after 10 years.
I do not know how much it costs to install a set, but I bet most people expect them to last longer than 10 years.
They should pay more attention to longevity of these.
my understanding is that they become more complex with new and experimental materials used.
Who knows how long those hold.