Ninety-eight percent of the world’s solar cells are made from silicon. This is thanks to its suitability as a PV material and its low cost compared to alternatives. While the price of solar silicon has its ups and downs, the overall trend has been downwards. It reached a record low in June 2020. After taking inflation into account, it was around one-thirteenth of its 2007 price.
But the record low didn’t last, and over the past 12 months it has gone from under $7 US per kilogram to over $28 US. In relative terms, this has been the largest solar silicon price increase in history. [Read more…]
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