I would say the following two do-a-thon proposals that have been proposed for the Aarhus workshop are linked to your interests in distribution systems:
I do definitely have the impression that there is interest in discussing distribution system optimisation! The least, I would be interested
Particularly, I would like to learn about typical network topologies/datasets in more detail than e.g. the European Low Voltage Test Feeder [1]
If you would like to initiate a breakout group on an aspect not already covered in the proposals above, I recommend changing category to “Workshop” and tagging “do-a-thon”.