Peter Hinckley's posts

Posted by Peter Hinckley on Dec 9, 2014 07:30 pm

#1 -  Renewable Energy > Technical Discussion: Solar Electric System - Photovoltaic > String inverters or microinverters
I'm planning on setting up a roof-mount system, in the range of 7.5-9 kW.  I am building a new garage that will be structure on which the panels will be mounted.  Rather than go through a solar installer, I'll have the roofers and electrician install the system.  String inverters would cost thousands less for materials, but it's my understanding that a string inverter system will cost more in labor.  Which would be the less expensive system to install, including installation labor?  I also read that a string inverter actually would be easier to repair panels.  Is that true, and what are other advantages/disadvantages to each system?  I will not have any shading issues that would make microinverters preferable.  Thanks

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