Christian Langen

Sovello AG manufactures solar cells, wafers and modules. The firm's photovoltaic modules are used in grid-connected systems such as installations for private homes and commercial applications and large scale and open space installations for industrial applications. The company was founded in 2005 and is headquartered in Bitterfeld-Wolfen, Germany.

Conergy AG specializes in the manufacture of solar products. It also engages in the installation of photovoltaic systems and solar thermal plants. The company was founded by Hans-Martin Rüter, Elisabeth Ammer, Dieter Ammer, Nikolaus Krane, Angiolo Laviziano, Hans Bucher, Andreas Rittstieg, Renate Rüter, Andreas Rüter, Christina Rüter, Franziska Rüter, Annabelle Theurer, Dieter Krane, and Ennio Laviziano on December 22, 1998 and is headquartered in Berlin, Germany.

Oxford Photovoltaics Ltd. develops and commercialize perovskite-based technology. Its technology can be coated on architectural glass to allow large buildings to generate a significant proportion of their electricity demand, effectively turning them into vertical solar farms. The firm investors include MTI partners, Longwall Venture Partners LLP, Parkwalk, University of Oxford (OSEM). The company was founded by Kevin Arthur and Henry Snaith in December 2010 and is headquartered in Kidlington, the United Kingdom.