Balcon power plants conquer Germany: over a million installed!

Die Zahl der Balkonkraftwerke in Deutschland stieg 2025 um über 220.000. Erfahren Sie mehr über den Solarboom und gesetzliche Erleichterungen.
The number of balcony power plants in Germany increased by over 220,000 in 2025. Learn more about the solar boom and legal relief. (Symbolbild/NAG)

Balcon power plants conquer Germany: over a million installed!

The enthusiasm for balcony power plants is growing rapidly, and this is clearly shown in the numbers: in the first half of 2025, Germany recorded an increase of over 220,000 new balcony power plants, so that more than a million of these small solar systems are now registered with the Federal Network Agency. This development was discussed by Zeit in detail.

Carsten Körnig from the Federal Association of Solar Economy emphasizes that the demand for plug -in solar devices does not subside. This popularity is inspired primarily through governmental relief and falling prices. In addition, more retail companies contribute to the fact that balcony power plants are becoming increasingly popular and thus growing awareness of them in the general public.

What are the balcony power plants?

balcony power plants, also known as plug -in solar devices, consist of photovoltaic modules, an inverter, a connection line and a substructure. These systems generate direct current, which is converted into alternating current via the inverter and then fed up either into the consumer circuit or into a separate circuit. According to information from Environmental Federal Office, they contribute only to electricity generation, but promote acceptance and participation at the energy transition, Especially for tenants.

The current legal framework already enables systems with an output of up to 2,000 watts (direct current) with simple registration and allows temporary tolerance to be reversed with reverse meters. Technically, balcony power plants are also well positioned: the standards that regulate the connection are constantly updated, which further simplifies the installation.

market and economy in the upswing

Thanks to the high amortization times, balcony power plants are increasingly being viewed as lucrative business. The electricity generation costs are usually lower than the electricity supply costs. In addition, sales tax on photovoltaic systems up to 30 kW has been reduced to 0 % since 2023. These economic framework conditions have contributed significantly to the revival of the market.

A market analysis from 2023 showed that Germany installed around 270,000 new balcony power plants. At that time, official data recorded around 1,038,000 newly installed solar systems, with balcony modules having a significant share in it. Another positive aspect is that the VDE regulations have been simplified, which raises the performance limit to 800 watts and thus facilitates the installation. This also led to a sudden increase in the newly added solar capacity, which is around 85% compared to the previous year. Germany now has around 3.7 million solar systems that generate an impressive 62 billion kilowatt hours of electricity - this corresponds to about 12% of the country's total power consumption.

The future therefore looks promising: Germany has set itself the goal of covering at least 80% of the electricity requirement from renewable energies by 2030. In this context, balcony power plants play an important role, since they are not only environmentally friendly, but also actively involve the citizens in the change in energy supply.

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