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Monochrome develops roof-integrated solar panels for residential and off-grid applications.
Founded in 2021 and based in Tokyo, Monochrome develops solar energy roofs, including Roof-1, a roof-integrated solar panel. The product is designed for residential and off-grid installations and includes a heavy-snowfall warranty and recycling service. In April 2026, the company raised JPY 1.7 billion in Series B funding led by Spiral Capital and ALPHA, with participation from FIRSTLIGHT Capital, Kagin Co-Creation Investment, GMO VenturePartners, Chishima Real Estate Co., Ltd., Gogin Capital, NOBUNAGA Capital Village and SMBC Venture Capital.
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