Important:

The VAT exemption applies only to private individuals in the countries mentioned. Business customers within the EU (outside of Germany) may also order tax-free. For all other customers, the applicable VAT will be charged.

Approval procedure and registration

Owners of balcony power plants are currently required to register their systems twice: with their grid operator and with the Federal Network Agency in the Market Data Register. Please note: Failure to register a mini solar system in the Market Data Register constitutes an administrative offense punishable by a fine, although this rarely occurs in practice. Nevertheless, registration is advisable.


For owners of balcony power plants, registration in the market master data register is important for correctly billing the solar energy generated, especially if surplus electricity is to be fed into the public grid. Registration with the grid operator has the advantage that the grid operator automatically checks whether a replacement of the electricity meter is necessary.

The funding program:

The program supports the installation of small-scale renewable energy systems on residential balconies, primarily solar panels or wind turbines. These systems are crucial for promoting sustainability in urban areas by reducing dependence on fossil fuels and encouraging residents to use renewable energy.

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