Agree with all you said except the 16% part. The newest Sunpower x-21 series panels have an efficiency of 21.5%. Still not much better but over the life of the panels could give up to 75% more power then the 16% units, according to the manufacturer.

Not really germane to what you were saying, but I did find it interesting when investigating for an upcoming 5000kw system purchase.


Date: Wed, 17 Jun 2015 10:24:18 -0700
From: G Mann <>

It simply does not work that way. PV panels absorb energy from the sun,
then produce electricity at a relativly low conversion rate [even the
highest tech panels yield only about 16% ]...


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