★ stern TV - Topic: Balcony power plant

stern TV - Topic: Balcony power plant

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Balcony power plants from the discounter: Are mini solar systems worthwhile at home?

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What are balcony power plants?

Plug-in solar units, also called balcony power plants, are ready-to-plug-in mini-photovoltaic systems that you can simply hang on the concrete railing. In the meantime, a system can be purchased at affordable prices + means long-term electricity savings of 10 to 15 percent. In many municipalities, balcony power plants are also subsidised. In the city of Cologne, for example, you currently get 200 euros in addition to the purchase price. 

The balcony power plants usually consist of: One or two solar modules, A cable + an inverter (photovoltaics generate direct current, which must be converted into alternating current for domestic use).

The electricity generated can be fed into the flat's internal electricity grid via a normal plug and consumed immediately. There is no storage - the generated electricity must be consumed immediately. Any excess electricity is fed into the overall electricity grid. Currently, balcony power plants are only allowed to feed a maximum of 600 watts into the electricity grid.

Tips for balcony power plants:

Always use the electricity directly - i.e. switch on power guzzlers such as the dishwasher during the day. A location that is not particularly sunny means significantly less output. Most solar modules sold in Germany are good. Inverters can sometimes have weak points

What conditions must be met for installation?

The cheaper and heavier photovoltaic modules may currently only be hung at a maximum height of four metres. You need the permission of the landlords and owners. One must register in the market master data register. The use must be registered with the grid operator

Where can balcony power plants be obtained?

Balcony power plants have been available in shops and on the Internet for quite some time. Now more and more discounters are also offering balcony power plant sets.

Broadcasting on 17th of May 2023 at 10.35pm on RTL

Music: POPVIRUS Library

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