Investment in solar PV is expected to surpass all other generation technologies combined with over US$500 billion, according to a report from the International Energy Agency (IEA).
If Australia does not want to lose its international competitiveness as a renewables producer, the government will have to invest AU$100 billion (US$64 billion) in the next ten years, according to the sector's trade body the Clean Energy Council.
The Asia Pacific (APAC) region is expected to invest US$3.3 trillion in power generation over the next decade, of which a quarter for solar alone, according to energy research company Wood Mackenzie.
Clean energy investment across Africa has to double the current US$90 billion target by 2030 and reach nearly US$25 billion per year, according to a report by the International Energy Agency (IEA) and the African Development Bank Group (AfDB).