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A comment on Printed Solar Panels for Less Than $10 a Square Metre. Parent comment

Re:Printed Solar Panels for Less Than $10 a Square Metre by ridgeguy on Sunday July 23, 2017 @09:42PM (#14835371)
Agreed, and thanks. It's clear that dropping panel costs really wouldn't affect the installed bottom line much.

I just focused on installation costs, which in all cases seem far less than 50% of the overall system cost. This suggests that there isn't much economic leverage in reducing (or preventing growth of) installation cost, either. Only in the large battery cases is there a single component (the battery) that dominates other cost components.

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Re:Printed Solar Panels for Less Than $10 a Square Metre by kurthr on Monday July 24, 2017 @11:57AM (#14839535)
Also notice that this is for solar with energy storage. If you want to tap into the grid then you need a permit and an electrician in addition to an emergency cut off for firemen. That ends up being $Ks which are related to installation (not panel/inverter/mounting) rather than a battery.

Check Project Sunroof for a quote: https://www.google.com/get/sunroof

It's not uncommon for installation costs to be over 30% (especially for smaller installations and depending on roof conditions), and when you only get the Fed subsidy when you pay taxes that number ends up looking bigger (even if it's the same % in the end).

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