As part of the energy transition, the share of renewable energy in German final electricity consumption will need to increase substantially in order to attain climate protection goals. This increased use of renewable energy requires new technologies that are capable of reconciling supply and demand to compensate for fluctuations in the availability of renewable energy depending on the season or the weather. These include methods for storing electricity, which is why a high-capacity rotational kinetic energy storage device was developed as part of the DEMIKS research project. The goals of the subsequent project, DEMIKS 2, are to test, train and operate the rotational kinetic storage system offering 500 kWh of energy and 500 kW of power on the electric grid.

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