Cited sources
Last verified 2026-09-25.
- Legal manufacturer as printed: 積水ソーラーフィルム株式会社 (English gloss: Sekisui Solar Film).
- The maker describes SOLAFIL as its brand for film-type perovskite solar cells, which it presents as thin, light and bendable.
- A joint release dated 27 March 2026 says commercialisation has started, with products for installation on metal roofs.
- Supply in the 2026 financial year is limited to output from existing equipment, going to named Japanese public projects under a Ministry of the Environment programme and a Tokyo Metropolitan Government programme; the maker says expanding supply through a 100 MW scale line planned for the 2027 financial year is its top priority.
- Neither official page prints a model code, rated power, efficiency, dimensions, weight, warranty terms or certification listing, so it cannot be scored yet.
- SOLAFIL is a brand for a product line rather than a single rated product, and this record is not joined to any scored or evidence record.
- Sekisui Chemical and Sekisui Solar Film joint release, 27 March 2026 (Japanese)https://www.sekisui.co.jp/news/2026/1450530_42699.html
Announces the start of the SOLAFIL film-type perovskite solar business, with metal-roof products for named projects, limited FY2026 output and a planned 100 MW line in FY2027.
- Sekisui Solar Film company page (Japanese)https://www.sekisui.co.jp/solafil/index.html
Names the maker as 積水ソーラーフィルム株式会社, which develops, makes and sells thin, light, bendable film-type perovskite solar cells branded SOLAFIL.