Energy and Resources – Energy storage and management

Solar parks, wind turbines, biomass facilities – more and more electrical energy is coming from decentralized sources where supply can vary dramatically. After all, wind and solar energy are dependent on the weather and the time of day. Smart grids, innovative storage solutions and energy management systems will make it possible to use renewable energy as and when it is required and keep the grid stable.

Energie und Rohstoffe


Redox flow battery

More and more electricity is being generated from intermittent sources of power, such as solar and wind energy. Powerful electric energy storage devices are necessary to level out corresponding irregularities in the power supply. Fraunhofer scientists have recently made an important breakthrough with their development of a redox flow battery that reaches stack power up to 25 kW, with a cell size of 0.5 square meters.

Hybrid energy storage system for urban use

In the future, electricity may not only be stored in large-scale centralized systems, but in decentralized storage systems in consumers homes – directly in lithium batteries or indirectly using intelligent appliances that generate and store electricity. The system will be controlled using a combination of software and hardware under development by Fraunhofer scientists within the scope of the Beyond Tomorrow project.

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Supergrid: Efficient generation, storage and distribution of electricity

Sun, wind, biomass, water – tomorrow’s electricity will come from many different sources and from various countries. In just a few decades, part of Europe’s electrical energy needs could be met by energy produced in northern Africa. But this will require new transmission and storage technology. In the innovative project “Supergrid,” Fraunhofer researchers are developing components and systems for the reliable generation, storage and distribution of electricity.

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Pellworm smart region combination power station

SmartRegion Pellworm

On the island of Pellworm, a smart grid connects an existing hybrid wind and solar power station with a decentralized hybrid storage system for power and heat. Controlled by an energy management system developed by researchers in the Advance System Technology AST branch of the Fraunhofer Institute for Optronics, System Technologies and Image Exploitation IOSB, the smart network ensures that energy generation and consumption remain in balance.

Energy Charts

Online energy charts make german energy transformation transparent for all. Fraunhofer ISE now provides online electrical energy data for Germany promptly and free-of-charge. Interactive data charts, which can be individually tailored by the user, display the power produced in Germany from all conventional and renewable sources as well as import and export data.