Source (incl reason for lack of grid connection) please?
Sorry, maybe more googling would bring up something better. It is well known in Germany.
Edit: maybe it is this here: https://www.ingenieur.de/technik/fachbereiche/energie/so-win... - apparently after a couple of years, many of the generators have now finally been connected. That would be good news.
Sorry, maybe more googling would bring up something better. It is well known in Germany.