Photo Credit: Younicos

Photo Credit: Younicos

Power-to-heat and demand-side management are the most cost-effective measures for the country’s grid up to 2030, concludes a government-funded study.

A three-year study of Germany’s energy storage market funded by the government is not likely to favor batteries.

Although the full conclusions won’t be published for a while, a study supported by the Federal Ministry for Economic Affairs and Energy has found that grid-scale and behind-the-meter batteries are insufficient to meet Germany’s energy needs.

That’s according to Christoph Pellinger, the coordinator for the study, called Merit Order for Energy Storage Systems 2030.

Instead, residential and industrial power-to-heat systems, along with demand-side management of industrial and residential energy consumption, are the country’s best options to manage large amounts of renewable energy on the German grid, said Pellinger. The report will also favor vehicle-to-grid technologies as an economic grid-balancing option by 2030.

The study looked at the role of different storage systems on the grid and assessed what system infrastructure would be needed to ensure a reliable energy supply in the next decade and a half. The analysts assume that adoption of renewable energy will continue as part of Germany’s commitment to its energy transition policy, called Energiewende. In fact, they think that projections for renewables in Germany’s generation mix are on the conservative side -- predicting that renewables will account for 60 percent of energy in 2025 and 85 percent in 2035.

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