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<blockquote data-quote="binky" data-source="post: 528992" data-attributes="member: 490"><p>I'm not a fan of clipping outputs. It was fairly normal to size inverters at 80% of array size 10 years ago, but then we were still using wire wound transformers whose efficiency could drop off to as low as 70% when outputs were poor. The transformerless inverters we use now drop to around 94%, so even in winter efficiencies are still high, but you are losing summer / autumn / spring outputs that possibly could be putting a bigger hole in your bills or being used to charge a battery, EV or heat water.</p></blockquote><p></p>
[QUOTE="binky, post: 528992, member: 490"] I'm not a fan of clipping outputs. It was fairly normal to size inverters at 80% of array size 10 years ago, but then we were still using wire wound transformers whose efficiency could drop off to as low as 70% when outputs were poor. The transformerless inverters we use now drop to around 94%, so even in winter efficiencies are still high, but you are losing summer / autumn / spring outputs that possibly could be putting a bigger hole in your bills or being used to charge a battery, EV or heat water. [/QUOTE]
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