August 14, 2012. Six years ago Capital Stage was a small investment holding company. It is a renewable energy utility producing nearly 200 megawatts (MW) of solar and wind power that posted operating earnings of 25 million euros in 2011. When the financial crisis broke out it decided to change its business model and generate steady returns. Germany's energy industry needs to achieve a similar transformation on a massive scale to meet a looming capacity gap prompted by the government's decision to exit nuclear power.