Germany-based solar film developer Heliatek secured up to €80m ($89m) in financing yesterday, including $46.8m in equity led by Innogy, a subsidiary of energy utility RWE.

The series D round included Tudag, the commercialisation firm of Technical University of Dresden (TU Dresden) and German public-private partnership High-Tech Gründerfonds (HTGF).

Utility Engie, as well as another RWE unit, Innogy Venture Capital, chemicals producer BASF, financial services provider BNP Paribas, CEE Group, Aqton, eCapital and Wellington Partners also took part in the…