The expansion of renewable energies is stalling. In Germany and neighbouring countries, there have long been affordable and creative solutions to the challenges of the energy transition.

In the nearly half-hour 3sat film contribution of the series of the German business magazine "makro" the worldwide first energy self-sufficient multi-family house in Bruetten in the Swiss canton of Zurich will be presented between minutes 21`20 and 25`10: Proton Motor designed this innovative, completely emission-free energy supply for the project of in 2015.