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Germany just now approved new laws that make setting up solar on your balcony super easy
(www.tagesschau.de)
this post was submitted on 26 Apr 2024
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Translated by Google:
This is the coolest part. As I understand it you'll be able to export 500w to the grid without requiring approval of your provider. The new units just plug into the wall and back feed power into your house to reduce your bill.
Depending on how the law is written, I can imagine people putting a battery between the solar and inverter so they could capture more energy and export the maximum 500w all day & night
The important thing on backfeeding is that utility workers will need to isolate at more points before working, otherwise they will get injured by backfeeding/battery systems if they run on infrastructure they are working on.
Should not be an issue. The inverters that feed into the grid need to follow the phase and frequency of the grid. If the grid is down, there is nothing to follow and it will not feed any power into the grid.
Hey, I learned this the other day from Practical Engineering!