Solarpraxis Engineering GmbH | 1,541 followers on LinkedIn. Innovation für die Energiewirtschaft seit 1998 | Groundbreaking knowledge for the new energy world The story of the Berliner Solarpraxis began in 1992. The two later-founders Karl-Heinz Remmers and Kay Neubert, amidst their ongoing studies, got the ball rolling by planning and installing solar panels in a garage. In 1998 Karl-Heinz Remmers, Kay Neubert and later entrant Holger Bedurke, founded Solarpraxis as a private corporation.