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 40 years we have built up extensive expertise in the four fields of energy provision, energy distribution, energy storage and energy utilization. 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 science blog “Innovation4E”.