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the world needs a more diverse solar supply chain China’s share in all the key manufacturing stages of solar panels exceeds 80% today, according to the report, and for key elements including polysilicon and wafers, this is set to rise to more than 95% in the coming years, based on current manufacturing capacity under construction. Governments and other stakeholders around the world have begun to pay increasing attention to solar PV’s manufacturing supply chains as high commodity prices and supply chain bottlenecks have led to an increase of around 20% in solar panel prices over the last year. These challenges – particularly apparent in the market for polysilicon, a key material for making solar panels – have resulted in delays in solar PV deliveries across the globe and higher prices. The IEA special report argues that these challenges call for even greater attention and efforts by policy makers going forward.
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