Electricity Grids (IMAGE) Helmholtz Association Caption Electricity grids: The energy turnaround requires new technologies for a reliable supply. Credit Photo: Rainer Sturm/pixelio.de Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.