At the end of the working day, the most important issue is who will stand behind the standard of your installation. 7kW Solar Systems: Price ranges, Output & Return on Investment200kW solar PV systems: Examine rates and installer options Remarks Dr. Ranjith Obeyesekera states: 18 August, 2016 at seven:37 pm https://sites.google.com/view/solar-installer-australia/10kw-solar-system-installation