Sunwafe

Sunwafe is a venture-backed solar technology company focused on producing high-purity silicon ingots and wafers essential for solar energy solutions. The company aims to enhance solar cell efficiency through advanced manufacturing processes. Founded in 2024 in Barcelona, Spain, Sunwafe specializes in manufacturing silicon ingots and wafers for the photovoltaic industry. The company recently engaged in 2 funding rounds, with the latest deal occurring on September 4, 2025, involving venture funding from returning investor InnoEnergy.

Sunwafe manufactures high-purity silicon ingots and wafers, integral components for the photovoltaic industry. Their product lineup includes high-end silicon wafers for advanced solar cells, utilizing technologies such as TOPCon and heterojunction (HJT). The wafers, ranging from 150 to 200 micrometers in thickness, undergo a precise manufacturing process. The company targets global markets, particularly Europe, meeting the increasing demand for efficient solar technologies.

Sunwafe generates revenue from the direct sale of its silicon wafers and ingots to photovoltaic manufacturers. Engaging in B2B transactions, the company establishes long-term partnerships by fulfilling bulk order requests tailored to client specifications, ensuring compliance with necessary purity levels and dimensions. Sunwafe is focused on launching new products designed for enhanced solar technologies, with ongoing development expected to culminate in releases during late 2025. Additionally, the company plans to expand its market presence into North America and Asia by the end of 2026.