In order to fight climate change and meet the Paris Agreement to keep the global temperature rise below 2 °C above pre-industrial levels, there is an urgent need to change the dominant way of producing and consuming energy worldwide. However, governing an energy transition is a complex and challenging task, as different actors and interests clash on different levels. In this study, I have a closer look at the governance of the ongoing German energy transition, which has so far mainly been pushed by new market entrants while incumbent firms have been locked into the rigidity of the sector. More specifically, I explore the role of accelerator programs in facilitating the growth of start-ups in the area of sustainable electricity production an...