cross-posted from: https://feddit.org/post/19852594
Edit: Be aware that some people try to post misinformation here, such as that such plants are not safe in the case of a power failure (untrue), or that they are not economical (untrue, their advantage is that they have very low installation costs).
Next best thing: German electric engineers to the rescue. Without regulations.
Regulations were very careful in the beginning, but now it is that basically anyone can plug in a system like this and register it.
To note, there were some technical challenges, of course the plug needs to be safe when it is not plugged in, and the system switches off when the power fails, which is also for safety - these are not autonomous or “island” systems though of course, solar can be used for that.
There are currently talks about tightening these regulations, to the point where it is no longer feasible to use these kind of systems :(
Black Panther MEME VDE/ISO “We don’t do that here”
With the next Revision of the ISO/VDE it can only get worse for this theme.