The energy transition could fail due to a lack of electricity storage systems - a fact that has now been recognized by federal politicians. How a start-up from a Munich backyard is helping to avert failure.

With the expansion of renewable energies, the demand for large storage facilities is increasing. However, operators are complaining about the cost burden caused by the construction cost subsidy (BKZ). A ruling by the Düsseldorf Higher Regional Court (OLG) could provide clarity - but for now, there is uncertainty in the industry.

Profitability: The battery storage industry has been fighting for years to abolish the construction cost subsidies with which it has to contribute to the grid operators' investments. The costs can quickly run into the millions and prevent projects from going ahead. A court has now ruled that the calculation method for battery storage systems is unlawful. It still needs to be clarified exactly what happens next.