The Fraunhofer Institute for Solar Energy Systems ISE is the largest solar energy research institute in Europe. Every day our experts are researching to find innovative solutions for the “Energiewende”. Over the past 37 years we have built up extensive expertise in the four fields of energy efficiency, energy generation, energy distribution and energy storage. We would like to share our knowledge with you – interested persons from industry, science, politics and the media as well as the general public – on our new platform: Fraunhofer ISE’s blog “Innovation4E”.