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It varies depending on the system size but an average system takes around 6-8 years to pay for itself completely. What is the life-expectancy of a PV system? Your PV panels come with a 25 year production warranty and your inverter is warranted for between 5 and 10 years.
It’s the best. Made in New Zealand and Europe.
No. Solar hot water systems rely on heat from the sun. PV solar panels rely on light from the sun.
Even in light cloud your PV system will still produce electricity.
There are 3 types of system. Grid-tie, Off Grid and Mixed Grid-tie with battery back-up. With Grid-tie there is no electricity storage and it is the most common system.
$4,000 excluding GST per kilowatt but it can vary from house to house depending on installation costs.