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‘If 1.5m Germans have them there must be something in it’: how balcony solar is taking off
(www.theguardian.com)
this post was submitted on 11 Feb 2025
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This is incredibly dangerous as it will feed power into the grid even when the grid is down. You might say 'that is great!', yeah, well, the line technicians who cannot work on damaged cables because you are energizing them think otherwise.
One of the reasons home solar grid-feeding systems are expensive in the US is they have extra equipment to disconnect the system from the grid if the grid goes down. Your house can still have local power, but you won't be energizing powerlines technicians are trying to fix.
These plugin systems shut down automatically when there's a power outage. To make sure that they really do shut down when needed, in Belgium only plugin systems that have been approved by the network management organisation may be used. The other countries that allow these probably have similar precautions.