Professor Stefan Tenbohlen gave an interview to the Steinbeis Group's online magazine TRANSFER on the development of energy supply. In addition to his work as a professor and head of the IEH, Mr. Tenbohlen is the managing director of the Steinbeis Transfer Center for High Voltage Technology and Energy Transmission. In the interview, he describes what has happened in the energy sector over the past 30 years and what forecasts for the future look like. He explains what exactly he does in his Steinbeis company and how this improves the energy supply.