The economy demands lower-price green electricity and citizens do too. To provide cost-effective solar energy, KSTAR PV residential systems have been installed on roof tops of households in Australia. The solar inverters used in the project are all supplied by KSTAR. They are KSG-5K-DM and KSG-3K-SM inverters,which are smart and easy to install. Not only in Australia,we strive to deliver smart PV solutions all over the world.