New testing conducted at France's oldest PV system have shown that its solar modules can still provide performance values in line with what the manufacturers promised.
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I’m getting some new panels installed this year, and I think they’re suggesting they’ll be at 80% after 25 years.
It looks like there is disagreement between the title and content of the article. Title says 75.9, content says 79.5
Either way, does this suggest that new panels might do better than expected over a 30 year timespan?