I’ll combine your posts here for ease of comparison.
Do you have any shading issues? Obviously the Enphase are dearer, some installers on this forum think Enphase always work out to be a better financial option in the long run due to better performance, but at 30% higher cost it puts some doubts in my mind.
Really good thread here:
Do you use a lot of power? 7.5kW of panels will produce about 30kWh a day on average in Wagga. That’s a lot of energy. Do you need that much solar?