NEDO, a Japanese state research agency, has launched an additional call for proposals aimed at scaling up next-generation perovskite solar production under its Green Innovation Fund.
The program supports the development of mass production technology and social deployment of single-junction perovskite solar cells – lightweight, flexible devices that can be installed on curved surfaces such as walls – with performance targets that match conventional silicon cells in conversion efficiency and durability.
The five-year program runs from fiscal year 2026 through 2030. Applicants may include companies, universities and research institutions. Proposals must be submitted online through Japan’s J-Grants system by June 3. An online briefing session will take place on May 13 and registration closes on May 11, according to a NEDO statement.
The call is an additional round within the same Green Innovation Fund framework with which NEDO opened the bids in October 2025 for research into the mass production of tandem perovskite solar cells. NEDO published new design and construction guidelines for flexible solar cell installations in March 2026, and Japan’s Ministry of the Environment launched subsidy programs for the early deployment of perovskite solar cells in September 2025. Japan has set a target of 20 GW of perovskite solar capacity by 2025. 2040.
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