Non-transparent and monopolistic: There is lots of criticism of the district heating provide in Germany. The visitors mild needed to take motion towards this by revising the legislation. But apparently nothing comes of it.
https://www.spiegel.de/politik/deutschland/bundesregierung-kippt-laut-medienbericht-ihre-fernwaerme-plaene-a-646a5705-1e8d-461a-b599-14e9ec4e1616#ref=rss