They use top rated from the variety inverters for example Fronius, but most of their installs have Sungrow inverters - and that is the worlds most bankable inverter and presents the best ROI.  Melbourne Energy Group have many commercial and industrial installs, and go internally for cabling for inverters, or https://7bookmarks.com/story18802268/a-secret-weapon-for-affordable-energy-brokers-in-melbourne