This report presents an assessment of the rooftop solar potential across Australia's housing stock. It has a particular focus on social housing, apartments and private rental housing - three sectors that are significantly under-represented in Australia's world-leading uptake of residential solar.

This study compares manufacturing costs in China and Australia for current state-of-the-art technology, and explores ways of overcoming cost gaps in each manufacturing stage. It also presents a roadmap for developing a PV manufacturing value chain in Australia over time, along with policy levers which can be used to facilitate it.

Solar is an excellent investment for almost all Australian households, but there are a wide range of savings, depending on the characteristics of household electricity consumption, retail tariffs and roof characteristics. Nevertheless, the majority of households installing a wide range of PV system sizes under different types of tariffs can expect a payback of between...