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Not so green after all?
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<blockquote data-quote="offgridAndy" data-source="post: 546013" data-attributes="member: 36029"><p>panel efficiency increase over the last 20 years is actually 50%. Ie was 15 or 16% efficient and are now 22% so an increase of 50% or so. Just one way of viewing things. My oldest panels are now 18 years old and still perform close to their stated outputs.</p></blockquote><p></p>
[QUOTE="offgridAndy, post: 546013, member: 36029"] panel efficiency increase over the last 20 years is actually 50%. Ie was 15 or 16% efficient and are now 22% so an increase of 50% or so. Just one way of viewing things. My oldest panels are now 18 years old and still perform close to their stated outputs. [/QUOTE]
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Not so green after all?
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