About

Sunwafe is committed to the sustainable reindustrialisation of the European PV industry. Production capacity of our factory in Spain is set to reach 2,500 million wafers (20GW) by 2030 with a team of 2,600 professionals. Quality, excellence and innovation for the clean energy transition is part of our DNA.

Value Chain

Sunwafe focuses on ingot and wafer manufacturing, a critical stage in the photovoltaic value chain, where high-purity silicon is processed into thin slices for solar cells. The process begins with silicon purification, where raw silicon is refined to remove impurities. The purified silicon is then melted and formed into ingots. Once the ingots are formed, they undergo slicing using diamond wire saws to create thin wafers, typically 150–200 micrometers thick. These wafers are then polished, cleaned, and treated to remove surface defects, preparing them for the next stage of solar cell fabrication. High precision and minimal material loss are crucial in this process to maximize efficiency and reduce production costs.

  1. MGS

  2. Polysilicon

  3. Ingot

  4. Wafer

  5. Cell

  6. Module

Products

Silicon wafers for the photovoltaic sector

High-end wafers for top of the range photovoltaic cells used for TOPCon and heterojunction (HJT) technologies

– Standard formats include M10, G12, and G12R with thicknesses from 150μm to 120μm.

– Silicon crystal ingots for in-house wafer fabrication.

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