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Storing surplus wind energy to supply a whole village with hot water and local heating

This future-proof technology is threatened with extinction because of the EEG Act!

24.03.2021 Author: Isolde Moussot Original language: de Translator: Isolde Moussot
Last change: Isolde Moussot Date update: 25.03.2021 05:24

With a heat storage system powered by wind energy, the village of Nechlin in Brandenburg, Germany, ,can be completely supplied with local heating and hot water. Instead of shutting down wind turbines on windy days because more electricity is produced than is needed,

the energy is stored in the form of thermal energy.

Unfortunately, the plant will have to be dismantled again after the model operation or converted to woodchip operation if there is no change in the EEG Act.

The reason for this is that the EEG Act stipulates that an EEG levy must be paid on the energy fed into the grid if the plant is used for its own purposes.

This law is actually intended to promote the expansion of renewable energies.

But unfortunately, in the village of Nechlin in Brandenburg, among other places, it prevents the continued operation of the plant. And not only there!

When will the EEG law finally be amended?

The wind power and the heat energy generated in peak wind periods with wind energy that cannot be sold is 50 percent cheaper than if it were generated with coal or gas, according to a report at


The EEG subsidy alone, which has to be paid on the self-generated energy, makes the costs for electricity and heat storage so much more expensive that the system has to be dismantled again after the model operation.

Translated with www.DeepL.com/Translator (free version)







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