Germany's last nuclear power plants will be shut down in mid-April, and coal-fired power should also be history in 2030. Even if there are enough wind turbines by then, the power supply could become incomplete.

The construction subsidy from grid operators is an obstacle to the construction of batteries for electricity storage, says Benedikt Deuchert* from Kyon Energy.

Electricity prices and grid frequency, generation and consumption fluctuate. Operators of megawatt battery storage systems make use of this. An overview.