Solar silicon wafers below 20c/watt

Fierce competition is driving further reductions in the manufacturing costs of solar silicon wafers, a component which has represented nearly half the cost of a complete solar module.

Average silicon solar wafer manufacturing costs for vertically integrated tier 1 makers are now forecast to fall yet another 6 percent in 2014 to a record low of US$0.20 per watt (W), according to the NPD Solarbuzz Polysilicon and Wafer Supply Chain Quarterly report (editor’s note: the cost of silicon wafers made up close to half the cost of a complete solar PV panel module last year). Since 2008, solar PV wafer manufacturing costs (the combined costs of polysilicon and wafer processing) have declined more than 16 percent per year.

Crystalline Silicon (c-Si) Wafer Manufacturing Cost Forecast with Internally Supplied Polysilicon


Graph for Solar silicon wafers below 20c/watt

Source: November 2013 NPD Solarbuzz Polysilicon and Wafer Supply Chain Quarterly

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