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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